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CLASS 546,	ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES
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SECTION I - LINES WITH OTHER CLASSES AND WITHIN THIS CLASS

In this series of classes, Class 546 is to be considered as an integral part of Class 260 (after subclass 544) and follows the schedule hierarchy retaining all pertinent definitions and class lines of Class 260.

SUBCLASSES

1	Hetero ring is six-membered consisting of one nitrogen and five carbons:
	This subclass is indented under subclass 1.  Compounds under Class 540, ... which contain a six-membered hetero ring consisting of one nitrogen and five carbon atoms. SEE OR SEARCH CLASS: 588,  Hazardous or Toxic Waste Destruction or Containment,   subclasses 300 through 415for the chemical destruction of hazardous or toxic waste.

2	Heavy metal or aluminum containing:
	This subclass is indented under subclass 1.  Compounds which include aluminum or a metal having a specific gravity greater than four. (1) Note. Arsenic is considered a metal. SEE OR SEARCH THIS CLASS, SUBCLASS: 13, for compounds containing boron. 14, for compounds containing silicon.

3	Arsenic containing:
	This subclass is indented under subclass 2.  Compounds which contain arsenic.

4	The metal bonded directly to carbon, which carbon is a ring carbon of the six-membered hetero ring or which carbon is attached directly or indirectly to the six-membered hetero ring by nonionic bonding:
	This subclass is indented under subclass 2.  Compounds wherein the metal is bonded directly (a) to a ring carbon of the six-membered hetero ring, or (b) to a carbon atom which additionally is attached directly or indirectly to the six-membered hetero ring by nonionic bonding. (1) Note. Examples of compounds provided for herein are: (2) Note. Excluded from this subclass are compounds such as, e.g., Figure 1 below which require "doubling back" through the metal to satisfy the conditions necessary for inclusion here.:

5	The metal is bonded directly to chalcogen of a -C(=X)X- group, wherein the X"s are the same or diverse chalcogens, which group is attached directly or indirectly to the six-membered hetero ring by nonionic bonding:
	This subclass is indented under subclass 2.  Compounds wherein the metal is bonded directly to the singly bonded chalcogen of a group, in which the X"s are the same or diverse chalcogens (i.e., oxygen, sulfur, selenium, or tellurium), which group is additionally attached directly or indirectly to the six-membered hetero ring by nonionic bonding. (1) Note. These compounds are usually referred to as "salts". (2) Note. Examples of compounds provided for herein are:

6	The metal is bonded directly to chalcogen which chalcogen is attached directly or indirectly to the six-membered hetero ring by nonionic bonding:
	This subclass is indented under subclass 2.  Compounds wherein the metal is bonded directly to a chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) which is attached directly or indirectly to the six-membered hetero ring by nonionic bonding. (1) Note. Examples of compounds provided for herein are:

7	The chalcogen is bonded directly to ring carbon of a quinoline ring system (including hydrogenated):
	This subclass is indented under subclass 6.  Compounds wherein the chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached directly to a ring carbon of a quinoline ring system; said ring system, having the following basic structure, may contain double bonds between ring members: (1) Note. An example of a compound provided for herein is:

8	The metal is in an anion and the six-membered hetero ring is in a cation:
	This subclass is indented under subclass 2.  Compounds wherein the metal is in an anion, i.e., a group with a negative charge, and the six-membered hetero ring is in a cation, i.e., a group with a positive charge. (1) Note. These compounds are usually pyridinium salts of metallates, e.g., (2) Note. An additional example of a compound provided for herein is:

9	The metal is bonded directly to halogen in the anion:
	This subclass is indented under subclass 8.  Compounds in which the metal in the anion is bonded directly to halogen; i.e., a metal-halogen bond. (1) Note. An example of a compound provided for herein is:

10	Polycyclo ring system having the six-membered hetero ring as one of the cyclos:
	This subclass is indented under subclass 2.  Compounds wherein the six-membered hetero ring is a cyclo in a polycyclo ring system. (1) Note. An example of a compound provided for herein is:

11	Piperidine containing:
	This subclass is indented under subclass 2.  Compounds which contain a piperidine ring, i.e., a six-membered hetero ring consisting of one ring nitrogen and five ring carbons with no double bonds between ring members.

12	Azide or acyclic nitrogen containing:
	This subclass is indented under subclass 2.  Compounds which contain an acyclic nitrogen atom or an azide group. (1) Note. The azide has been considered to be cyclic, , as well as acyclic, (2) Note. An example of a compound provided for herein is:

13	Boron containing:
	This subclass is indented under subclass 1.  Compounds which contain boron. (1) Note. An example of a compound provided for herein is:

14	Silicon containing:
	This subclass is indented under subclass 1.  Compounds which contain silicon. (1) Note. Examples of compounds provided for herein are:

15	Spiro:
	This subclass is indented under subclass 1.  Compounds which contain a spiro ring system. (1) Note. An example of a compound provided for herein is:

16	The spiro includes the six-membered hetero ring:
	This subclass is indented under subclass 15.  Compounds wherein at least one of the rings in the spiro ring system is the six-membered hetero ring which consists of one ring nitrogen and five ring carbons. (1) Note. An example of a compound provided for herein is:

17	Polycyclo ring system having one of the two rings which form the spiro as one of the cyclos:
	This subclass is indented under subclass 16.  Compounds wherein one of the two rings which form the spiro ring system is additionally one of the cyclos of a polycyclo ring system. (1) Note. An example of a compound provided for herein is:

18	Polycyclo ring system having the six-membered hetero ring as one of the cyclos:
	This subclass is indented under subclass 17.  Compounds wherein the six-membered hetero ring is one of the cyclos of the polycyclo ring system. (1) Note. An example of a compound provided for herein is:

19	At Least three ring hetero atoms in the two rings which form the spiro:
	This subclass is indented under subclass 16.  Compounds wherein the spiro ring system contains at least two ring hetero atoms in addition to the ring nitrogen of the six-membered hetero ring. (1) Note. Examples of compounds provided for herein are:

20	At least three ring nitrogens in the two rings which form the spiro:
	This subclass is indented under subclass 19.  Compounds wherein the spiro ring system includes at least two ring nitrogen atoms in addition to the one ring nitrogen of the six-membered hetero ring. (1) Note. Examples of compounds provided for herein are:

21	Phosphorus attached directly to the six-membered hetero ring by nonionic bonding:
	This subclass is indented under subclass 1.  Compounds wherein phosphorus is attached directly to the six-membered hetero ring by nonionic bonding. (1) Note. An example of a compound provided for herein is:

22	Phosphorus attached indirectly to the six-membered hetero ring by nonionic bonding:
	This subclass is indented under subclass 1.  Compounds wherein phosphorus is attached indirectly to the six-membered hetero ring by nonionic bonding. (1) Note. Examples of compounds provided for herein are:

23	Polycyclo ring system having the six-membered hetero ring as one of the cyclos:
	This subclass is indented under subclass 22.  Compounds wherein the six-membered hetero ring is one of the cyclos of a polycyclo ring system. (1) Note. Compounds in which phosphorus is attached directly by nonionic bonding to any ring of the polycyclo ring system other than the six-membered hetero ring are provided for herein as the attachment of the phosphorus to the six-membered hetero ring is considered to be indirect. (2) Note. An example of a compound provided for herein is:

24	Chalcogen bonded directly to ring carbon fo the six-membered hetero ring:
	This subclass is indented under subclass 22.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to a ring carbon of the six-membered hetero ring. (1) Note. Examples of compounds provided for herein are:

25	The phosphorus is bonded directly to the chalcogen:
	This subclass is indented under subclass 24.  Compounds in which the phosphorus is bonded directly to the chalcogen (i.e., oxygen, sulfur, selenium, or tellurium). (1) Note. Examples of compounds provided for herein are:

26	Polycyclo ring system having the six-membered hetero ring as one of the cyclos:
	This subclass is indented under subclass 1.  Compounds wherein the six-membered hetero ring is one of the cyclos of a polycyclo ring system. (1) Note. An example of a compound provided for herein is:

27	The polycyclo ring system has at least ten cyclos and at least four ring nitrogens:
	This subclass is indented under subclass 26.  Compounds wherein the polycyclo ring system contains at least ten cyclos and at least four ring nitrogens. (1) Note. An example of a compound provided for herein is:

28	Nonacyclo ring system having the six-membered hetero ring as one of the cyclos:
	This subclass is indented under subclass 26.  Compounds in which the polycyclo ring system consists of exactly nine rings. (1) Note. An example of a compound provided for herein is:

29	The six-membered hetero ring shares ring nitrogen with a five-membered cyclo which contains additional ring nitrogen:
	This subclass is indented under subclass 28.  Compounds wherein the nitrogen atom of the six-membered hetero ring is also a member of a five-membered cyclo which contains additional ring nitrogen. (1) Note. An example of a compound provided for herein is:

30	Octacyclo ring system having the six-membered hetero ring as one of the cyclos:
	This subclass is indented under subclass 26.  Compounds in which the polycyclo ring system consists of exactly eight rings. (1) Note. An example of a compound provided for herein is:

31	Plural ring hetero atoms in the octacyclo ring system (e.g., flavanthrone, cepharanthrine, etc.):
	This subclass is indented under subclass 30.  Compounds wherein the octacyclo ring system includes at least one ring hetero atom in addition to the ring nitrogen of the six-membered hetero ring. (1) Note. An example of a compound provided for herein is:

32	At least four ring nitrogens in the octacyclo ring system (e.g., naphthoylene dibenzimidazole, etc.):
	This subclass is indented under subclass 31.  Compounds wherein the octacyclo ring system contains at least four ring nitrogens. (1) Note. An example of a compound provided for herein is:

33	Heptacyclo ring system having the six-membered hetero ring as one of the cyclos:
	This subclass is indented under subclass 26.  Compounds in which the polycyclo ring system consists of exactly seven rings. (1) Note. An example of a compound provided for herein is:

34	Two of the cyclos share at least three ring members (e.g., protoveratrine, etc.):
	This subclass is indented under subclass 33.  Compounds wherein at least three ring members of one cyclo are ring members of an additional cyclo in the heptacyclo ring system (i.e., bridged). (1) Note. An example of a compound included herein is:

35	At least three ring hetero atoms in the heptacyclo ring system:
	This subclass is indented under subclass 34.  Compounds wherein the heptacyclo ring system includes at least two ring hetero atoms in addition to the ring nitrogen of the six-membered hetero ring. (1) Note. An example of a compound provided for herein is:

36	Plural ring hetero atoms in the heptacyclo ring system:
	This subclass is indented under subclass 33.  Compounds wherein the heptacyclo ring system includes at least one ring hetero atom in addition to the ring nitrogen of the six-membered hetero ring. (1) Note. An example of a compound provided for herein is:

37	Ring carbon is shared by three of the cyclos (e.g., perylene tetracarboxylic acid diimide, etc.):
	This subclass is indented under subclass 36.  Compounds wherein one ring carbon is a member of three of the cyclos in the heptacyclo ring system (i.e., peri-fusion). (1) Note. An example of a compound provided for herein is:

38	Hexacyclo ring system having the six-membered hetero ring as one of the cyclos:
	This subclass is indented under subclass 26.  Compounds in which the polycyclo ring system consists of exactly six rings. (1) Note. An example of a compound provided for herein is:

39	Two of the cyclos share at least three ring members (e.g., etheno morphides, etc.):
	This subclass is indented under subclass 38.  Compounds wherein at least three ring members of one cyclo are ring members of an additional cyclo in the hexacyclo ring system (i.e., bridged). (1) Note. An example of a compound provided for herein is:

40	Plural ring nitrogens in the hexacyclo ring system (e.g., reserpic acid lactone, etc.):
	This subclass is indented under subclass 39.  Compounds wherein the hexacyclo ring system includes at least two ring nitrogens. (1) Note. An example of a compound provided for herein is:

41	Plural ring hetero atoms in the hexacyclo ring system:
	This subclass is indented under subclass 38.  Compounds wherein the hexacyclo ring system contains at least one ring hetero atom in addition to the ring nitrogen in the six-membered hetero ring. (1) Note. An example of a compound provided for herein is:

42	Pentacyclo ring system having the six-membered hetero ring as one of the cyclos:
	This subclass is indented under subclass 26.  Compounds in which the polycyclo ring system consists of exactly five rings.

43	Two of the cyclos share at least three ring members (i.e., bridged):
	This subclass is indented under subclass 42.  Compounds wherein at least three ring members of one cyclo are ring members of an additional cyclo in the pentacyclo ring system (i.e., bridged). (1) Note. An example of a compound provided for herein is:

44	One of the five cyclos is five-membered and includes ring chalcogen (e.g., codeine, morphine, etc.):
	This subclass is indented under subclass 43.  Compounds wherein one of the cyclos of the pentacyclo ring system is a five-membered hetero ring which contains ring chalcogen (i.e., oxygen, sulfur, selenium, or tellurium). (1) Note. An example of a compound provided for herein is:

45	Nitrogen or divalent chalcogen double bonded directly to carbocyclic ring of the pentacyclo ring system (e.g., morphinones, etc):
	This subclass is indented under subclass 44.  Compounds wherein a nitrogen atom or a divalent chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached directly by a double bond to a carbocyclic ring of the pentacyclo ring system. (1) Note. Examples of compounds provided for herein are:

46	A Single chalcogen is bonded directly to ring carbon of the pentacyclo ring system (e.g., desoxy morphine, etc):
	This subclass is indented under subclass 44.  Compounds wherein exactly one chalcogen atom (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to a ring carbon of the pentacyclo ring system. (1) Note. This subclass provides for those compounds which contain only one chalcogen bonded directly to a ring carbon of the pentacyclo ring system, e.g., the desoxy morphines, etc. (2) Note. An example of such a compound is:

47	Plural ring hetero atoms in the pentacyclo ring system:
	This subclass is indented under subclass 42.  Compounds wherein the pentacyclo ring system contains at least one ring hetero atom in addition to the ring nitrogen of the six-membered hetero ring. (1) Note. An example of a compound provided for herein is:

48	Three or more ring hetero atoms in the pentacyclo ring system:
	This subclass is indented under subclass 47.  Compounds wherein the pentacyclo ring system contains at least two ring hetero atoms in addition to the ring nitrogen of the six-membered hetero ring. (1) Note. An example of a compound provided for herein is:

49	Two ring nitrogens in the pentacyclo ring system (e.g., quinacridones, etc.):
	This subclass is indented under subclass 47.  Compounds wherein the pentacyclo ring system contains exactly two ring nitrogens. (1) Note. An example of a compound provided for herein is:

50	Ring nitrogen is shared by two of the cyclos (e.g., yohimbanes, etc.):
	This subclass is indented under subclass 49.  Compounds wherein a ring nitrogen is a member of two of the cyclos in the pentacyclo ring system. (1) Note. An example of a compound provided for herein is:

51	Ring nitrogen is shared by five-membered cyclo and six-membered cyclo (e.g., vincamine, etc.):
	This subclass is indented under subclass 50.  Compounds wherein the ring nitrogen of the six membered hetero ring is additionally a member of a five-membered cyclo in the pentacyclo ring system. (1) Note. An example of a compound provided for herein is:

52	Additional ring nitrogen in the five-membered cyclo:
	This subclass is indented under subclass 51.  Compounds in which the five-membered ring contains additional ring nitrogen. (1) Note. Examples of compounds provided for herein are:

53	Having -C(=X)-; wherein x is chalcogen, bonded directly to ring carbon of the pentacyclo ring system and also bonded directly to chalcogen or nitrogen:
	This subclass is indented under subclass 50.  Compounds in which a group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly both to a ring carbon of the pentacyclo ring system and to a chalcogen or nitrogen atom. (1) Note. An example of a compound provided for herein is:

54	Plural chalcogens bonded directly to the same cyclo as is the -C(=X)- group:
	This subclass is indented under subclass 53.  Compounds wherein at least two chalcogens (i.e., oxygen, sulfur, selenium, or tellurium) are bonded directly to the same cyclo as is the group. (1) Note. An example of a compound provided for herein is:

55	Trialkoxybenzoyl bonded directly to at least one of the chalcogens (e.g., reserpine, etc.):
	This subclass is indented under subclass 54.  Compounds in which bonded directly to at least one of the chalcogens (i.e., oxygen, sulfur, selenium, or tellurium) is a trialkoxybenzoyl group, i.e., (1) Note. An example of a compound provided for herein is:

56	Three or more ring carbons of the pentacyclo ring system are substituted (e.g., substituted quinacridones, etc.):
	This subclass is indented under subclass 49.  Compounds which contain substituents (other than hydrogen) on at least three of the ring carbons of the pentacyclo ring system. (1) Note. Examples of compounds provided for herein are:

57	Three or more chalcogens containing:
	This subclass is indented under subclass 56.  Compounds which contain at least three chalcogens (i.e., oxygen, sulfur, selenium, or tellurium). (1) Note. Examples of compounds provided for herein are:

58	The pentacyclo ring system consists of five six-membered cyclos (e.g., anthraquinone-benzacridones, etc):
	This subclass is indented under subclass 42.  Compounds wherein the pentacyclo ring system consists of five six-membered cyclos.

59	Nitrogen attached directly to the pentacyclo ring system by nonionic bonding:
	This subclass is indented under subclass 58.  Compounds wherein nitrogen is attached directly to the pentacyclo ring system by nonionic bonding. (1) Note. An example of a compound provided for herein is:

60	An additional ring is bonded directly to the nitrogen:
	This subclass is indented under subclass 59.  Compounds in which an additional ring is bonded directly to the nitrogen. (1) Note. An example of a compound provided for herein is:

61	Tetracyclo ring system having the six-membered hetero ring as one of the cyclos:
	This subclass is indented under subclass 26.  Compounds in which the poly-cyclo ring system consists of exactly four rings.

62	Plural ring hetero atoms in the tetracyclo ring system (e.g., acronycines, etc.):
	This subclass is indented under subclass 61.  Compounds wherein the tetracyclo ring system contains at least one ring hetero atom in addition to the ring nitrogen of the six-membered hetero ring. (1) Note. An example of a compound provided for herein is:

63	Two of the cyclos share at least three ring members (i.e., bridged):
	This subclass is indented under subclass 62.  Compounds wherein at least three ring members of one cyclo are ring members of an additional cyclo in the tetracyclo ring system (i.e., bridged). (1) Note. An example of a compound provided for herein is:

64	Three or more ring hetero atoms in the tetracyclo ring system:
	This subclass is indented under subclass 62.  Compounds wherein the tetracyclo ring system contains at least two ring hetero atoms in addition to the ring nitrogen of the six-membered hetero ring. (1) Note. An example of a compound provided for herein is:

65	Plural ring chalcogens in the tetracyclo ring system:
	This subclass is indented under subclass 64.  Compounds wherein the tetracyclo ring system contains at least two ring chalcogens (i.e., oxygen, sulfur, selenium, or tellurium). (1) Note. An example of a compound provided for herein is:

66	Ring carbon is shared by three of the cyclos:
	This subclass is indented under subclass 62.  Compounds wherein one ring carbon is a member of three of the cyclos in the tetracyclo ring system (i.e., peri-fusion). (1) Note. An example of a compound provided for herein is:

67	The three cyclos consist of two carbocyclic rings and a five-membered hetero ring which includes a ring nitrogen (e.g., ergolines, etc.):
	This subclass is indented under subclass 66.  Compounds wherein the three cyclos which share the ring carbon consist of two carbocyclic rings and one five-membered hetero ring which contains a ring nitrogen. (1) Note. An example of a compound provided for herein is: