Manual of U.S. Patent Classification
as of June 30, 2000

Class
549
ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

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Subclass		Title
ClassTitle		===> ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES
		This Class 549 is considered to be an integral part of Class 260 (see the Class 260 schedule for the position of this Class in schedule hierarchy). This Class retains all pertinent definitions and class lines of Class 260.
		ORGANIC COMPOUNDS (Class 532, Subclass 1)
		. HETEROCYCLIC CARBON COMPOUNDS CONTAINING A HETERO RING HAVING CHALCOGEN (I.E., OXYGEN, SULFUR, SELENIUM, OR TELLURIUM) OR NITROGEN AS THE ONLY RING HETERO ATOMS (Class 540, subclass 1)
1		. . Sulfur containing hetero ring (e.g., thiiranes, etc.)
2		. . . With preservative or stabilizer
3		. . . Heavy metal or aluminum containing
4		. . . Boron or silicon containing
5		. . . Phosphorus attached directly or indirectly to the hetero ring by nonionic bonding
6		. . . . The hetero ring is five-membered
7		. . . . . Plural ring hetero atoms in the hetero ring
8		. . . . . Four chalcogens bonded directly to the same phosphorus
9		. . . The hetero ring has at least seven members
10		. . . . Plural ring hetero atoms in the hetero ring
11		. . . . . Plural ring sulfurs in the hetero ring
12		. . . . Polycyclo ring system having at least three cyclos and having the hetero ring as one of the cyclos
13		. . . The hetero ring is six-membered
14		. . . . Plural ring hetero atoms in the hetero ring
15		. . . . . Polycyclo ring system having the hetero ring as one of the cyclos
16		. . . . . . Tricyclo ring system having the hetero ring as one of the cyclos
17		. . . . . . . Plural ring sulfurs in the hetero ring
18		. . . . . Three or more ring hetero atoms in the hetero ring
19		. . . . . . Plural ring sulfurs in the hetero ring
20		. . . . . Two ring sulfurs in the hetero ring
21		. . . . . . Chalcogen or nitrogen attached directly to the hetero ring by nonionic bonding
22		. . . . . . Chalcogen or nitrogen attached indirectly to the hetero ring by nonionic bonding
23		. . . . Polycyclo ring system having the hetero ring as one of the cyclos
24		. . . . . The polycyclo ring system has at least four cyclos
25		. . . . . . Chalcogen attached directly to the hetero ring by nonionic bonding
26		. . . . . Tricyclo ring system having the hetero ring as one of the cyclos
27		. . . . . . Chalcogen attached directly to the hetero ring by nonionic bonding
28		. . . . Chalcogen or nitrogen attached directly to the hetero ring by nonionic bonding
29		. . . The hetero ring is five-membered
30		. . . . Plural ring hetero atoms in the hetero ring
31		. . . . . Polycyclo ring system having the hetero ring as one of the cyclos
32		. . . . . . Bicyclo ring system having the hetero ring as one of the cyclos
33		. . . . . . . Chalcogen attached directly to the hetero ring by nonionic bonding
34		. . . . . Three or more ring hetero atoms in the hetero ring
35		. . . . . Two ring sulfurs in the hetero ring
36		. . . . . . Chalcogen bonded directly to ring carbon of the hetero ring
37		. . . . . . . Nitrogen or chalcogen attached indirectly to the hetero ring by nonionic bonding
38		. . . . . . Nitrogen attached directly to the hetero ring by nonionic bonding
39		. . . . . . Chalcogen attached indirectly to the hetero ring by nonionic bonding
40		. . . . . Chalcogen attached directly to ring sulfur of the hetero ring by nonionic bonding
41		. . . . Polycyclo ring system having the hetero ring as one of the cyclos
42		. . . . . Tetracyclo ring system having the hetero ring as one of the cyclos
43		. . . . . Tricyclo ring system having the hetero ring as one of the cyclos
44		. . . . . . Chalcogen attached directly to the tricyclo ring system by nonionic bonding
45		. . . . . . . Chalcogen attached directly to the hetero ring by nonionic bonding
46		. . . . . . . . Chalcogen attached directly to ring sulfur of the hetero ring by nonionic bonding
47		. . . . . . . . Halogen attached directly to the tricyclo ring system by nonionic bonding
48		. . . . . . . Nitrogen attached directly or indirectly to the tricyclo ring system by nonionic bonding
49		. . . . . Bicyclo ring system having the hetero ring as one of the cyclos
50		. . . . . . Plural ring hetero atoms in the bicyclo ring system
51		. . . . . . Chalcogen attached directly to the bicyclo ring system by nonionic bonding
52		. . . . . . . Chalcogen attached directly to the hetero ring by nonionic bonding
53		. . . . . . . . Chalcogen attached directly to ring sulfur of the hetero ring by nonionic bonding
54		. . . . . . . . Plural chalcogens bonded directly to the bicyclo ring system
55		. . . . . . . . Nitrogen attached directly or indirectly to the bicyclo ring system by nonionic bonding
56		. . . . . . . . Halogen attached directly or indirectly to the bicyclo ring system by nonionic bonding
57		. . . . . . Nitrogen or a -C(=X)- group, wherein X is chalcogen, attached directly to the bicyclo ring system by nonionic bonding
58		. . . . . . Chalcogen attached indirectly to the bicyclo ring system by nonionic bonding
59		. . . . Additional hetero ring containing
60		. . . . . Ring oxygen in the additional hetero ring
61		. . . . Cyano bonded directly to the hetero ring
62		. . . . Chalcogen bonded directly to ring carbon of the hetero ring
63		. . . . . Nitrogen attached directly to the hetero ring by nonionic bonding
64		. . . . . Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring
65		. . . . . Nitrogen attached indirectly to the hetero ring by nonionic bonding
66		. . . . . Chalcogen attached indirectly to the hetero ring by nonionic bonding
67		. . . . . Chalcogen attached directly to ring sulfur of the hetero ring by nonionic bonding
68		. . . . Nitrogen attached directly to the hetero ring by nonionic bonding
69		. . . . . Having -C(=X)-, wherein X is chalcogen, bonded directly to the nitrogen
70		. . . . Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring
71		. . . . . The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens
72		. . . . . Nitrogen or chalcogen attached indirectly to the hetero ring by nonionic bonding
73		. . . . . Halogen attached directly or indirectly to the hetero ring by nonionic bonding
74		. . . . Nitrogen attached indirectly to the hetero ring by nonionic bonding
75		. . . . . Chalcogen attached indirectly to the hetero ring by nonionic bonding
76		. . . . . . The chalcogen, X, is in a -C(=X)- group
77		. . . . . . . Unsaturated carbocyclic ring or acyclic carbon to carbon unsaturation containing
78		. . . . Chalcogen attached indirectly to the hetero ring by nonionic bonding
79		. . . . . The chalcogen, X, is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens
80		. . . . Unsaturated carbocyclic ring or acyclic carbon to carbon unsaturation containing
81		. . . . Halogen attached directly to the hetero ring by nonionic bonding
82		. . . . . Three or more halogens attached directly to the hetero ring by nonionic bonding
83		. . . . The compound consists of the ring sulfur, carbon, and hydrogen
84		. . . . . Process of forming the hetero ring from acyclic reactants only
85		. . . . . . Metal containing catalyst utilized
86		. . . . . Process of alkylating the hetero ring
87		. . . . Plural chalcogens double bonded directly to ring sulfur of the hetero ring
88		. . . The hetero ring is four-membered
89		. . . . Plural ring hetero atoms in the hetero ring
90		. . . The hetero ring is three-membered and has chalcogen or nitrogen attached directly or indirectly thereto by nonionic bonding
200		. . Oxygen containing hetero ring (e.g., dioxirane, etc.)
201		. . . With preservative or stabilizer
202		. . . . Oxirane containing compound with preservative or stabilizer
203		. . . . Cyclic anhydride containing compound with preservative or stabilizer
204		. . . . Lactone containing compound with preservative or stabilizer
205		. . . . Compound in which the hetero ring is five-membered with preservative or stabilizer
206		. . . Heavy metal or aluminum containing
207		. . . . Arsenic containing
208		. . . . The hetero ring has three members or at least seven members
209		. . . . The metal is bonded directly to carbon, which carbon is a ring carbon of the hetero ring or which carbon is attached directly or indirectly to the hetero ring by nonionic bonding
210		. . . . The metal is bonded directly to chalcogen, which chalcogen is attached directly or indirectly to the hetero ring by nonionic bonding
211		. . . . . The chalcogen, X, is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens
212		. . . . Polycyclo ring system having the hetero ring as one of the cyclos
213		. . . Boron containing
214		. . . Silicon containing
215		. . . . Oxirane ring containing
216		. . . Phosphorus bonded directly to the hetero ring
217		. . . . Oxirane ring containing
218		. . . Phosphorus attached indirectly to the hetero ring by nonionic bonding
219		. . . . Oxirane ring containing
220		. . . . Polycyclo ring system having the hetero ring as one of the cyclos
221		. . . . Plural ring oxygens in the hetero ring
222		. . . . Chalcogen bonded directly to the hetero ring
223		. . . Xanthene ring system having a benzene ring bonded directly thereto para to the xanthene ring oxygen, wherein the carbon of a -COO- group is bonded directly to the benzene ring ortho to its position of attachment to the xanthene ring system, and spirolactone derivatives thereof (e.g., fluoresceins, chlorofluorans, etc.)
224		. . . . The xanthene ring system is three cyclos of a polycyclo ring system having at least four rings (e.g., benz(c)fluorans, etc.)
225		. . . . Nitrogen bonded directly to the xanthene ring system (e.g., rhodols, aminofluorans, etc.)
226		. . . . . Plural nitrogens bonded directly to the xanthene ring system (e.g., 2,6 diaminofluorans, etc.)
227		. . . . . . Rhodamines
228		. . . The hetero ring contains -O-C(=X)-O- as part of its structure, wherein X is chalcogen (e.g., cyclic carbonates, etc.)
229		. . . . The hetero ring is five-membered
230		. . . . . The five-membered hetero ring, except for the =X to the ring, is unsubstituted or hydrocarbyl substituted only
231		. . . Cyclic anhydrides (i.e., -C(=X)OC(=X)-, wherein the X's are the same or diverse chalcogens, is part of the hetero ring)
232		. . . . The cyclic anhydride has at least six members and is a cyclo in a polycyclo ring system
233		. . . . The cyclic anhydride is five-membered (e.g., succinic anhydride, etc.)
234		. . . . . Polycyclo ring system having the cyclic anhydride as one of the cyclos
235		. . . . . . Tetracyclo ring system having the cyclic anhydride as one of the cyclos
236		. . . . . . Tricyclo ring system having the cyclic anhydride as one of the cyclos
237		. . . . . . . Two of the cyclos share at least three ring members (i.e., bridged)
238		. . . . . . . . Halogen bonded directly to the tricyclo ring system
239		. . . . . . . Plural ring oxygens in the tricyclo ring system
240		. . . . . . Bicyclo ring system having the cyclic anhydride as one of the cyclos
241		. . . . . . . Plural bicyclo ring systems each having the cyclic anhydride as one of the cyclos
242		. . . . . . . . Having -C(=X)-, wherein X is chalcogen, bonded directly to at least one of the bicyclo ring systems
243		. . . . . . . Nitrogen or additional chalcogen bonded directly to the bicyclo ring system
244		. . . . . . . Having -C(=X)-, wherein X is chalcogen, bonded directly to the bicyclo ring system
245		. . . . . . . . The -C(=X)- is part of a -C(=X)XH group, wherein the X's are the same or diverse chalcogens, or salt thereof (e.g., trimellitic anhydride, etc.)
246		. . . . . . . Halogen bonded directly to the bicyclo ring system
247		. . . . . . . Phthalic anhydride per se
248		. . . . . . . . Preparing by oxidation
249		. . . . . . . . . 0Fluidized catalyst
250		. . . . . . . . Purification or recovery
251		. . . . . . . . . 0By chemical reaction of impurity in presence of added chemical substance
252		. . . . . Plural hetero rings
253		. . . . . Nitrogen or additional chalcogen attached directly or indirectly to the cyclic anhydride by nonionic bonding
254		. . . . . Halogen attached directly or indirectly to the cyclic anhydride by nonionic bonding
255		. . . . . Acyclic carbon chain containing carbon to carbon unsaturation bonded directly to the cyclic anhydride
256		. . . . . Preparing by oxidation
257		. . . . . . Of benzene or hydrocarbyl substituted benzene
258		. . . . . . Of acyclic or alicyclic hydrocarbon
259		. . . . . . . Vanadium and phosphorus, in compound or elemental form, utilized
260		. . . . . . . . Additional heavy metal, other than titanium, utilized
261		. . . . . Double bond between ring members of the cyclic anhydride
262		. . . . . . Maleic anhydride per se
263		. . . Lactones (i.e., -C(=X)O-, wherein X is chalcogen, is part of the hetero ring)
264		. . . . Spiro
265		. . . . . The spiro includes the lactone ring
266		. . . . The lactone ring has at least seven members
267		. . . . . Plural ring oxygens in the lactone ring
268		. . . . . Polycyclo ring system having the lactone ring as one of the cyclos
269		. . . . . . Bicyclo ring system having the lactone ring as one of the cyclos
270		. . . . . . . Additional acyclic chalcogen bonded directly to the lactone ring (e.g., zearalanone, etc.)
271		. . . . . Additional chalcogen attached directly or indirectly to the lactone ring by nonionic bonding
272		. . . . . Preparing from a cyclic ketone (i.e., a ketone where the carbonyl is part of a ring)
273		. . . . The lactone ring is six-membered
274		. . . . . Plural ring oxygens in the lactone ring
275		. . . . . Polycyclo ring system having the lactone ring as one of the cyclos
276		. . . . . . Tetracyclo ring system having the lactone ring as one of the cyclos
277		. . . . . . . The tetracyclo ring system consists of four six-membered cyclos
278		. . . . . . . . At least two additional chalcogens bonded directly to the tetracyclo ring system
279		. . . . . . . Ring oxygen bonded directly to ring carbon which is a member of two cyclos in the tetracyclo ring system
280		. . . . . . Tricyclo ring system having the lactone ring as one of the cyclos
281		. . . . . . . Two of the cyclos share at least three ring members or ring carbon is shared by the three cyclos (e.g., bridged or peri compounds, etc.)
282		. . . . . . . Plural ring oxygens in the tricyclo ring system
283		. . . . . . Bicyclo ring system having the lactone ring as one of the cyclos
284		. . . . . . . Plural bicyclo ring systems each having the lactone ring as one of the cyclos
285		. . . . . . . Additional acyclic chalcogen bonded directly to the lactone ring
286		. . . . . . . . Benzene ring and the lactone ring bonded directly to the same acyclic carbon
287		. . . . . . . Acyclic -C(=X)-, wherein X is chalcogen, bonded directly to the lactone ring
288		. . . . . . . Nitrogen bonded directly to the bicyclo ring system
289		. . . . . . . The other cyclo of the bicyclo ring system is a six-membered carbocyclic ring to which chalcogen is directly attached
290		. . . . . . . The bicyclo lactone consists of two six-membered rings and is unsubstituted or hydrocarbyl substituted only
291		. . . . . Acyclic -C(=X)-, wherein X is chalcogen, bonded directly to the lactone ring
292		. . . . . Additional chalcogen bonded directly to the lactone ring
293		. . . . . Nitrogen attached directly or indirectly to the lactone ring by nonionic bonding
294		. . . . . Double bond between ring members of the lactone ring
295		. . . . The lactone ring is five-membered
296		. . . . . Plural ring oxygens in the lactone ring
297		. . . . . Polycyclo ring system having the lactone ring as one of the cyclos
298		. . . . . . Tetracyclo ring system having the lactone ring as one of the cyclos
299		. . . . . . Tricyclo ring system having the lactone ring as one of the cyclos
300		. . . . . . . Two of the cyclos share at least three ring members or ring carbon is shared by the three cyclos (e.g., bridged or peri compounds, etc.)
301		. . . . . . . The tricyclo ring system consists of the lactone ring, a five-membered carbocyclic ring, and a three-membered carbocyclic ring
302		. . . . . . Bicyclo ring system having the lactone ring as one of the cyclos
303		. . . . . . . Nitrogen bonded directly to the lactone ring
304		. . . . . . . Nitrogen attached indirectly to the lactone ring by acyclic nonionic bonding
305		. . . . . . . Chalcogen attached indirectly to the lactone ring by acyclic nonionic bonding
306		. . . . . . . Plural ring oxygens in the bicyclo ring system
307		. . . . . . . The other cyclo of the bicyclo ring system is benzene (e.g., phthalides, etc.)
308		. . . . . . . . Two carbocyclic rings bonded directly to the same ring atom of the lactone ring
309		. . . . . . . . . 0Nitrogen bonded directly to each of the carbocyclic rings
310		. . . . . . . . Additional chalcogen bonded directly to the bicyclo ring system
311		. . . . . . . The bicyclo ring system consists of two five-membered rings
312		. . . . . . . . Acyclic carbon chain containing carbon to carbon unsaturation attached directly or indirectly to the lactone ring by nonionic bonding
313		. . . . . Additional chalcogen bonded directly to the lactone ring
314		. . . . . . At least two additional chalcogens bonded directly to the lactone ring
315		. . . . . . . Double bond between ring members of the lactone ring or chalcogen double bonded directly at the 3- or 4-position of the lactone ring (e.g., ascorbic acid, etc.)
316		. . . . . . . . Amine addition salts
317		. . . . . . . . Sulfur or -C(=X)-, wherein X is chalcogen, bonded directly to acyclic chalcogen
318		. . . . . . Acyclic -C(=X)-, wherein X is chalcogen, attached directly or indirectly to the lactone ring by nonionic bonding
319		. . . . . . Plural alkyl groups bonded directly to the same ring carbon of the lactone ring (e.g., pantolactone, etc.)
320		. . . . . Plural hetero rings
321		. . . . . Nitrogen attached directly or indirectly to the lactone ring by acyclic nonionic bonding
322		. . . . . Having -C(=X), wherein X is chalcogen, bonded directly to the lactone ring
323		. . . . . Chalcogen attached indirectly to the lactone ring by nonionic bonding
324		. . . . . Halogen attached directly or indirectly to the lactone ring by nonionic bonding
325		. . . . . Preparing by hydrogenation of cyclic anhydrides
326		. . . . . Preparing from compound containing -COO- group
327		. . . . Acyclic carbon double bonded directly to a ring carbon of a four-membered lactone ring
328		. . . . Four-membered lactone ring formed
329		. . . . . From a ketene (HCH=C=O, wherein H may be substituted)
330		. . . Spiro
331		. . . . The spiro includes a hetero ring
332		. . . . . The spiro includes a three- or four-membered hetero ring
333		. . . . . Plural ring oxygens in a spiro hetero ring
334		. . . . . . Both rings which form the spiro are hetero rings
335		. . . . . . . Two six-membered hetero rings, which each contain plural ring oxygens, form the spiro (e.g., spirobi-(meta-dioxane), etc.)
336		. . . . . . Polycyclo ring system having one of the two rings which form the spiro as one of the cyclos
337		. . . . . . . Additional hetero ring containing
338		. . . . . . . . Plural five-membered hetero rings
339		. . . . . . . Spiro ring is a cyclo in a tricyclo-carbocyclic ring system
340		. . . . . . . . Acyclic -C(=X)-, wherein X is chalcogen, containing
341		. . . . . . The spiro hetero ring is five-membered
342		. . . . . . . Acyclic -C(=X)-, wherein X is chalcogen, containing
343		. . . . . Both rings which form the spiro are hetero rings
344		. . . . . . Polycyclo ring system having one of the two hetero rings which form the spiro as one of the cyclos
345		. . . . . Bicyclo ring system having the spiro hetero ring as one of the cyclos (e.g., griseofulvin, etc.)
346		. . . The hetero ring has at least seven members
347		. . . . Plural ring oxygens in the hetero ring
348		. . . . . Polycyclo ring system having the hetero ring as one of the cyclos
349		. . . . . . Tricyclo ring system having the hetero ring as one of the cyclos
350		. . . . . . Bicyclo ring system having the hetero ring as one of the cyclos
351		. . . . . . . Three or more ring oxygens in the bicyclo ring system
352		. . . . . Three or more ring oxygens in the hetero ring
353		. . . . . . Exactly four oxygens in the hetero ring
354		. . . . Polycyclo ring system having the hetero ring as one of the cyclos
355		. . . . . Bicyclo ring system having the hetero ring as one of the cyclos
356		. . . The hetero ring is six-membered
357		. . . . Plural ring oxygens in the hetero ring (e.g., 1,2-dioxin, etc.)
358		. . . . . Polycyclo ring system having the hetero ring as one of the cyclos
359		. . . . . . Tricyclo ring system having the hetero ring as one of the cyclos
360		. . . . . . . Two of the cyclos share at least three ring members (i.e., bridged)
361		. . . . . . . Three or more ring oxygens in the tricyclo ring system (e.g., actinospectacin, etc.)
362		. . . . . . Bicyclo ring system having the hetero ring as one of the cyclos
363		. . . . . . . The two cyclos share at least three ring members (i.e., bridged)
364		. . . . . . . Three or more ring oxygens in the bicyclo ring system
365		. . . . . . . The ring oxygens are in the 1,2- or 1,3-positions of the hetero ring
366		. . . . . . . Nitrogen attached indirectly to the hetero ring by acyclic nonionic bonding
367		. . . . . Three or more ring oxygens in the hetero ring
368		. . . . . . Trioxane per se
369		. . . . . The ring oxygens are in the 1,3-positions of the hetero ring (e.g., 1,3 dioxane, etc.)
370		. . . . . . Plural hetero rings
371		. . . . . . Nitrogen bonded directly to the hetero ring
372		. . . . . . Chalcogen or -C(=X), wherein X is chalcogen, bonded directly to the hetero ring
373		. . . . . . Nitrogen attached indirectly to the hetero ring by nonionic bonding
374		. . . . . . Chalcogen attached indirectly to the hetero ring by nonionic bonding
375		. . . . . . . The chalcogen, X, is in a -C(=X)- group
376		. . . . . . Preparing by reacting an aldehyde with a compound containing acyclic carbon to carbon unsaturation
377		. . . . . The ring oxygens are in the 1,4-positions of the hetero ring (e.g., 1,4 dioxane, etc.)
378		. . . . . . Chalcogen attached directly or indirectly to the hetero ring by nonionic bonding
379		. . . . . . . Plural chalcogens bonded directly to the hetero ring
380		. . . . . . Halogen attached directly or indirectly to the hetero ring by nonionic bonding
381		. . . . Polycyclo ring system having the hetero ring as one of the cyclos
382		. . . . . Pentacyclo ring system having the hetero ring as one of the cyclos
383		. . . . . Tetracyclo ring system having the hetero ring as one of the cyclos
384		. . . . . . The tetracyclo ring system consists of four six-membered cyclos
385		. . . . . Tricyclo ring system having the hetero ring as one of the cyclos
386		. . . . . . Two of the cyclos share at least three ring members or ring carbon is shared by the three cyclos (e.g., bridged or peri compounds, etc.)
387		. . . . . . Plural ring oxygens in the tricyclo ring system
388		. . . . . . The tricyclo ring system consists of three six-membered cyclos (e.g., xanthene, etc.)
389		. . . . . . . Naphtho-pyrans (including hydrogenated)
390		. . . . . . . Dibenzo(b,d)pyrans (including hydrogenated)
391		. . . . . . . . Plural chalcogens bonded directly to the tricyclo ring system
392		. . . . . . . Chalcogen bonded directly to the hetero ring
393		. . . . . . . . Having -C(=X)-, wherein X is chalcogen, bonded directly to the tricyclo ring system
394		. . . . . . . Nitrogen bonded directly to the tricyclo ring system
395		. . . . . . Acyclic chalcogen bonded directly to the hetero ring
396		. . . . . Bicyclo ring system having the hetero ring as one of the cyclos
397		. . . . . . The two cyclos share at least three ring members (i.e., bridged)
398		. . . . . . The bicyclo ring system consists of the hetero ring and a six-membered carbocyclic ring
399		. . . . . . . Chalcogen bonded directly to the hetero ring
400		. . . . . . . . Plural chalcogens bonded directly to the hetero ring
401		. . . . . . . . Chalcogen bonded directly to the ring carbon para to the ring oxygen (e.g., chromones, etc.)
402		. . . . . . . . . 0Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring
403		. . . . . . . . . 0Benzene ring bonded directly to the hetero ring (e.g., flavones, etc.)
404		. . . . . . . Nitrogen bonded directly to the bicyclo ring system
405		. . . . . . . Having -C(=X)-, wherein X is chalcogen, bonded directly to the bicyclo ring system
406		. . . . . . . Carbocyclic ring bonded directly to the hetero ring of the bicyclo ring system (e.g., flavanes, etc.)
407		. . . . . . . Chalcogen or nitrogen attached indirectly to the hetero ring by acyclic nonionic bonding
408		. . . . . . . Chalcogen bonded directly to the carbocyclic ring of the bicyclo ring system (e.g., tocopherols, etc.)
409		. . . . . . . . Chalcogen double bonded or plural chalcogens bonded directly to the carbocyclic ring (e.g., coenzyme Q, etc.)
410		. . . . . . . . Chalcogen of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens, bonded directly to the carbocyclic ring of the bicyclo ring system (e.g., tocopherol esters, etc.)
411		. . . . . . . . Preparing from 1,4-di-oxygen substituted carbocyclic ring (e.g., of p benzoquinones, p-hydroquinones, etc.)
412		. . . . . . . . Processes for chemical modification of substituents on the carbocyclic ring of the bicyclo ring system (e.g., alkylation of tocopherols, etc.)
413		. . . . . . . . Purification or recovery
414		. . . . Plural hetero rings
415		. . . . . Plural six-membered hetero rings
416		. . . . Chalcogen bonded directly to the hetero ring
417		. . . . . Plural chalcogens bonded directly to the hetero ring
418		. . . . . . Hydroxy bonded directly at the 3-position and oxygen double bonded directly at the 4-position of the hetero ring (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal)
419		. . . . . Nitrogen attached directly or indirectly to the hetero ring by acyclic nonionic bonding
420		. . . . . Having -C(=X)-, wherein X is chalcogen, attached directly or indirectly to the hetero ring by acyclic nonionic bonding
421		. . . . . Alicyclic ring bonded directly to the chalcogen
422		. . . . . Five-membered carbocyclic ring having the hetero ring as part of one substituent and -COO- as part of another substituent (e.g., prostaglandin intermediates, etc.)
423		. . . . . Hydroxy or halogen attached directly or indirectly to the hetero ring by acyclic nonionic bonding (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal)
424		. . . . Nitrogen bonded directly to the hetero ring
425		. . . . Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring
426		. . . . Nitrogen attached indirectly to the hetero ring by nonionic bonding
427		. . . . Chalcogen attached indirectly to the hetero ring by nonionic bonding
428		. . . . Halogen attached directly or indirectly to the hetero ring by nonionic bonding
429		. . . The hetero ring is five-membered
430		. . . . Plural ring oxygens in the hetero ring
431		. . . . . Three or more ring oxygens in the hetero ring (e.g., ozonides, etc.)
432		. . . . . Polycyclo ring system having the hetero ring as one of the cyclos
433		. . . . . . Tricyclo ring system having the hetero ring as one of the cyclos
434		. . . . . . Bicyclo ring system having the hetero ring as one of the cyclos
435		. . . . . . . Plural hetero rings
436		. . . . . . . Having -C(=X)-, wherein X is chalcogen, bonded directly to the bicyclo ring system
437		. . . . . . . Acyclic chalcogen bonded directly to the bicyclo ring system
438		. . . . . . . . Having -C(=X)-, wherein X is chalcogen, attached indirectly to the bicyclo ring system by nonionic bonding
439		. . . . . . . Nitrogen bonded directly to the bicyclo ring system
440		. . . . . . . Nitrogen attached indirectly to the bicyclo ring system by nonionic bonding
441		. . . . . . . . The nitrogen is bonded directly to a -C(=X)- group, wherein X is chalcogen
442		. . . . . . . . The nitrogen is attached directly to carbon by a double or triple bond
443		. . . . . . . . Chalcogen attached indirectly to the bicyclo ring system by nonionic bonding
444		. . . . . . . . . 0The chalcogen, X, is in a -C(=X)- group
445		. . . . . . . Chalcogen attached indirectly to the ring system by nonionic bonding
446		. . . . . . . . The chalcogen, X, is in a -C(=X)- group
447		. . . . . . . . . 0The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens
448		. . . . . Plural hetero rings
449		. . . . . Nitrogen or chalcogen bonded directly to the hetero ring
450		. . . . . Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring
451		. . . . . Nitrogen attached indirectly to the hetero ring by nonionic bonding
452		. . . . . . The nitrogen is bonded directly to a -C(=X)- group, wherein X is chalcogen
453		. . . . . Chalcogen attached indirectly to the hetero ring by nonionic bonding
454		. . . . . . The chalcogen, X, is in a -C(=X)- group
455		. . . . . Halogen attached directly or indirectly to the hetero ring by nonionic bonding
456		. . . . Polycyclo ring system having the hetero ring as one of the cyclos
457		. . . . . Tetracyclo ring system having the hetero ring as one of the cyclos
458		. . . . . Tricyclo ring system having the hetero ring as one of the cyclos
459		. . . . . . Two of the cyclos share at least three ring members (i.e., bridged)
460		. . . . . . Dibenzofurans (including hydrogenated)
461		. . . . . . . Having -C(=X)-, wherein X is chalcogen, attached directly or indirectly to the tricyclo ring system by nonionic bonding
462		. . . . . Bicyclo ring system having the hetero ring as one of the cyclos
463		. . . . . . The two cyclos share at least three ring members (i.e., bridged)
464		. . . . . . Plural ring oxygens in the bicyclo ring system
465		. . . . . . The bicyclo ring system consists of two five-membered cyclos
466		. . . . . . Acyclic chalcogen bonded directly to the hetero ring
467		. . . . . . Nitrogen attached directly or indirectly to the hetero ring by acyclic nonionic bonding
468		. . . . . . Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring
469		. . . . . . Benzene ring bonded directly to the hetero ring
470		. . . . . . Chalcogen of -C(=X)X-, wherein the X's are the same or diverse chalcogens, bonded directly to the carbocyclic ring of the bicyclo ring system
471		. . . . . . Plural double bonds between ring members of the hetero ring
472		. . . . Plural hetero rings
473		. . . . . Acyclic -C(=X)-, wherein X is chalcogen, attached directly or indirectly to the hetero ring by nonionic bonding
474		. . . . Cyano bonded directly to the hetero ring
475		. . . . Chalcogen bonded directly to the hetero ring
476		. . . . . Plural chalcogens bonded directly to the hetero ring
477		. . . . . . Chalcogen double bonded directly to the hetero ring
478		. . . . . . Having -C(=X)-, wherein X is chalcogen, attached directly or indirectly to the hetero ring by nonionic bonding
479		. . . . . Double bond between ring members of the hetero ring
480		. . . . Nitrogen bonded directly to the hetero ring
481		. . . . . Nitro bonded directly to the hetero ring
482		. . . . . . The hetero ring and an additional nitrogen are bonded directly to the same carbon
483		. . . . Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring
484		. . . . . The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens
485		. . . . . . Plural -C(=X)X- groups bonded directly to the hetero ring
486		. . . . . . The carbon of the -C(=X)X- group is bonded directly at the 3-position of the hetero ring
487		. . . . . Nitrogen bonded directly to the -C(=X)- group
488		. . . . . Additional chalcogen attached indirectly to the hetero ring by nonionic bonding
489		. . . . . Preparation of furfural (i.e., furan-2-aldehyde)
490		. . . . . Purification or recovery of furfural
491		. . . . Nitrogen attached indirectly to the hetero ring by nonionic bonding
492		. . . . . Nitrogen and the hetero ring are single bonded directly to the same acyclic saturated hydrocarbon group
493		. . . . . . The nitrogen is bonded directly to a -C(=X)- group, wherein X is chalcogen
494		. . . . . . Having -C(=X)-, wherein X is chalcogen, attached indirectly to the hetero ring by nonionic bonding
495		. . . . . . Chalcogen attached indirectly to the hetero ring by acyclic nonionic bonding
496		. . . . . Having -C(=X)-, wherein X is chalcogen, attached indirectly to the hetero ring by nonionic bonding
497		. . . . Chalcogen attached indirectly to the hetero ring by nonionic bonding
498		. . . . . The chalcogen, X, is in a -C(=X)- group
499		. . . . . . The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens
500		. . . . . . . Plural -C(=X)X- groups attached indirectly to the hetero ring by nonionic bonding
501		. . . . . . . Additional chalcogen attached indirectly to the hetero ring by nonionic bonding
502		. . . . . Plural chalcogens attached indirectly to the hetero ring by nonionic bonding
503		. . . . . Preparing by hydrogenation of furfural
504		. . . . Halogen attached directly or indirectly to the hetero ring by nonionic bonding
505		. . . . Plural double bonds between ring members of the hetero ring
506		. . . . . Hydrocarbyl substituted
507		. . . . One double bond between ring members of the hetero ring
508		. . . . Preparing from compound containing -COO- group
509		. . . . Preparing from a hydroxy containing compound
510		. . . The hetero ring is four-membered
511		. . . . Sulfur or halogen attached directly or indirectly to the hetero ring by nonionic bonding
512		. . . The hetero ring is three-membered consisting of one oxygen and two carbons
513		. . . . Processes
514		. . . . . Epihalohydrin, glycerol monohalohydrin or glycerol dihalohydrin reactant
515		. . . . . . Glycidyl ester formed by bonding the oxy of a -COO- group directly to an acyclic carbon which is bonded directly to an oxirane ring
516		. . . . . . Glycidyl ether formed by bonding oxygen directly to an acyclic carbon which is bonded directly to an oxirane ring
517		. . . . . . . Phenolic ether formed
518		. . . . . Oxirane ring formed
519		. . . . . . Carbonyl of aldehyde or ketone reacted to form oxirane ring
520		. . . . . . By dehydrohalogenation of a halohydrin or by reacting a hypohalite or hypohalous acid with an ethylenically unsaturated compound at the site of unsaturation
521		. . . . . . . Oxirane ring and chalcogen, cyano, nitrogen, or halogen are bonded directly to the same carbon (e.g., glycidyl ester formed, etc.)
522		. . . . . . . Oxirane ring is unsubstituted or hydrocarbyl substituted only
523		. . . . . . Epoxidation at site of ethylenic unsaturation
524		. . . . . . . Liquid phase epoxidation
525		. . . . . . . . Organic peracid utilized
526		. . . . . . . . . 0In situ formation of the organic peracid from carboxylic acid and hydrogen peroxide
527		. . . . . . . . . . 0Epoxidizing unsaturated fat or fatty oil, or unsaturated derivative thereof
528		. . . . . . . . . 0Epoxidizing unsaturated fat or fatty oil, or unsaturated derivative thereof
529		. . . . . . . . Organic hydroperoxide reactant
530		. . . . . . . . . 0Boron containing catalyst utilized
531		. . . . . . . . Hydrogen peroxide utilized
532		. . . . . . . . Air or molecular oxygen utilized
533		. . . . . . . . . 0Heavy metal containing catalyst utilized
534		. . . . . . . Silver containing catalyst utilized
535		. . . . . . . . Fluidized catalyst
536		. . . . . . . . Additional heavy metal containing material utilized (e.g., promoter which contains heavy metal utilized, etc.)
537		. . . . . . . . Group IIA light metal containing material utilized
538		. . . . . . . . Purification or recovery
539		. . . . . Ether or -COO- group formed
540		. . . . . Isomerization, halogenation, hydrogenation, or dehydrohalogenation to form compound
541		. . . . . Purification or recovery
542		. . . . . . By adsorption or by chemical reaction with impurity
543		. . . . Polycyclo ring system having the hetero ring as one of the cyclos
544		. . . . . Tetracyclo ring system having the hetero ring as one of the cyclos
545		. . . . . Tricyclo ring system having the hetero ring as one of the cyclos
546		. . . . . Bicyclo ring system having the hetero ring as one of the cyclos
547		. . . . . . Plural bicyclo ring systems each having a hetero ring as one of the cyclos
548		. . . . Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring
549		. . . . . The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens
550		. . . . Cyano, nitrogen, or halogen bonded directly to the hetero ring
551		. . . . Nitrogen attached indirectly to the hetero ring by nonionic bonding
552		. . . . . Cyano or nitrogen and the hetero ring bonded directly to the same carbon
553		. . . . . The nitrogen is bonded directly to a -C(=X)- group, wherein X is chalcogen
554		. . . . Chalcogen attached indirectly to the hetero ring by nonionic bonding
555		. . . . . Chalcogen and the hetero ring bonded directly to the same carbon (e.g., glycidyl ethers, etc.)
556		. . . . . . Sulfur or -C(=X)-, wherein X is chalcogen, attached indirectly to the hetero ring by nonionic bonding
557		. . . . . . . The chalcogen, X, is part of a -C(=X)X- group or a -X-X- group, wherein the X's are the same or diverse chalcogens (e.g., -COO-HCH-oxirane, etc.)
558		. . . . . . Halogen attached indirectly to the hetero ring by nonionic bonding
559		. . . . . . . Carbocyclic ring containing
560		. . . . . . Carbocyclic ring containing
561		. . . . . The chalcogen, X, is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens
562		. . . . . . Additional -C(=X)- or other sulfur attached indirectly to the hetero ring
563		. . . . Halogen attached indirectly to the hetero ring by nonionic bonding

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Last Modified: 6 October 2000