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Outline
Indent Level
Color Curly Brackets (indicating CPC extensions to IPC) References Date Revised

CPC
COOPERATIVE PATENT CLASSIFICATION
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STEROIDS( seco-steroids C07C )
NOTE
-
This subclass covers compounds containing a cyclopenta[a]hydrophenanthrene skeleton or a ring structure derived therefrom:
- by contraction or expansion of one ring by one or two atoms;
- by contraction or expansion of two rings each by one atom;
- by contraction of one ring by one atom and expansion of one ring by one atom;
- by substitution of one or two carbon atoms of the cyclopenta[a]hydrophenanthrene skeleton,
which are not shared by rings, by hetero atoms, in combination with the above defined
contraction or expansion or not, or;
- by condensation with carbocyclic or heterocyclic rings in combination with one or more of the
foregoing alterations or not.

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Guide Heading:
Normal steroids, i.e. cyclopenta(a)hydrophenanthrenes, containing carbon, hydrogen, halogen or oxygen
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C07J 1/00
Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 17 beta by a carbon atom, e.g. estrane, androstane
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C07J 1/0003
.
{
Androstane derivatives
}
C07J 1/0007
. .
{
not substituted in position 17
}
C07J 1/0011
. .
{
substituted in position 17 by a keto group
}
C07J 1/0014
. .
{
substituted in position 17 alfa, not substituted in position 17 beta
}
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C07J 1/0018
. .
{
substituted in position 17 beta, not substituted in position 17 alfa
}
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C07J 1/0022
. . .
{
the substituent being an OH group free esterified or etherified
}
C07J 1/0025
. . . .
{
Esters
}
C07J 1/0029
. . . .
{
Ethers
}
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C07J 1/0033
. .
{
substituted in position 17 alfa and 17 beta
}
C07J 1/0037
. . .
{
the substituent in position 17 alfa being a saturated hydrocarbon group
}
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C07J 1/004
. . .
{
the substituent in position 17 alfa being an unsaturated hydrocarbon group
}
C07J 1/0044
. . . .
{
Alkenyl derivatives
}
C07J 1/0048
. . . .
{
Alkynyl derivatives
}
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C07J 1/0051
.
{
Estrane derivatives
}
C07J 1/0055
. .
{
not substituted in position 17
}
C07J 1/0059
. .
{
substituted in position 17 by a keto group
}
C07J 1/0062
. .
{
substituted in position 17 alfa not substituted in position 17 beta
}
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C07J 1/0066
. .
{
substituted in position 17 beta not substituted in position 17 alfa
}
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C07J 1/007
. . .
{
the substituent being an OH group free esterified or etherified
}
C07J 1/0074
. . . .
{
Esters
}
C07J 1/0077
. . . .
{
Ethers
}
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C07J 1/0081
. .
{
Substituted in position 17 alfa and 17 beta
}
C07J 1/0085
. . .
{
the substituent in position 17 alfa being a saturated hydrocarbon group
}
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C07J 1/0088
. . .
{
the substituent in position 17 alfa being an unsaturated hydrocarbon group
}
C07J 1/0092
. . . .
{
Alkenyl derivatives
}
C07J 1/0096
. . . .
{
Alkynyl derivatives
}
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Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by one carbon atom
C07J 3/005
.
{
the carbon atom being part of a carboxylic function
}
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C07J 5/00
Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom,
{
i.e. only one oxygen bound to position 21 by a single bond
}
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C07J 5/0007
.
{
not substituted in position 17 alfa
}
C07J 5/0015
. .
{
not substituted in position 16
}
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C07J 5/0023
. .
{
substituted in position 16
}
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C07J 5/003
. . .
{
by a saturated or unsaturated hydrocarbon group including 16-alkylidene substitutes
}
C07J 5/0038
. . . .
{
by an alkyl group
}
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C07J 5/0046
.
{
substituted in position 17 alfa
}
C07J 5/0053
. .
{
not substituted in position 16
}
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C07J 5/0061
. .
{
substituted in position 16
}
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C07J 5/0069
. . .
{
by a saturated or unsaturated hydrocarbon group
}
C07J 5/0076
. . . .
{
by an alkyl group
}
C07J 5/0084
. . . .
{
by an alkylene group
}
C07J 5/0092
. . .
{
by an OH group free esterified or etherified
}
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Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms( C07J 5/00 takes precedence )
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C07J 7/0005
.
{
not substituted in position 21
}
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C07J 7/001
. .
{
substituted in position 20 by a keto group
}
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C07J 7/0015
. . .
{
not substituted in position 17 alfa
}
C07J 7/002
. . . .
{
not substituted in position 16
}
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C07J 7/0025
. . . .
{
substituted in position 16
}
C07J 7/003
. . . . .
{
by a saturated or unsaturated hydrocarbon group
}
C07J 7/0035
. . . . .
{
by a hydroxy group free esterified or etherified
}
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C07J 7/004
. . .
{
substituted in position 17 alfa
}
C07J 7/0045
. . . .
{
not substituted in position 16
}
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C07J 7/005
. . . .
{
substituted in position 16
}
C07J 7/0055
. . . . .
{
by a saturated or unsaturated hydrocarbon group
}
C07J 7/006
. . . . .
{
by a hydroxy group free esterified or etherified
}
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C07J 7/0065
. .
{
substituted in position 20 by an OH group free esterified or etherified
}
C07J 7/007
. . .
{
not substituted in position 17 alfa
}
C07J 7/0075
. . .
{
substituted in position 17 alfa
}
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C07J 7/008
.
{
substituted in position 21
}
C07J 7/0085
. .
{
by an halogen atom
}
C07J 7/009
. .
{
by only one oxygen atom doubly bound
}
C07J 7/0095
. .
{
carbon in position 21 is part of carboxylic group
}
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C07J 9/00
Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of more than two carbon atoms, e.g. cholane, cholestane, coprostane
C07J 9/005
.
{
containing a carboxylic function directly attached or attached by a chain containing only carbon atoms to the cyclopenta[a]hydrophenanthrene skeleton
}
C07J 11/00
Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 3
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Normal steroids containing carbon, hydrogen, halogen or oxygen having a carbon-to-carbon double bond from or to position 17
{
( for carbonyl groups C07J 1/00 )
}
C07J 13/002
.
{
with double bond in position 13 (17)
}
C07J 13/005
.
{
with double bond in position 16 (17)
}
C07J 13/007
.
{
with double bond in position 17 (20)
}
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Stereochemically pure steroids containing carbon, hydrogen, halogen or oxygen having a partially or totally inverted skeleton, e.g. retrosteroids, L-isomers
C07J 15/005
.
{
Retrosteroids( 9 beta 10 alfa )
}
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Normal steroids containing carbon, hydrogen, halogen or oxygen, having an oxygen-containing hetero ring not condensed with the cyclopenta(a)hydrophenanthrene skeleton( cardanolide, bufanolide C07J 19/00 )
C07J 17/005
.
{
Glycosides
}
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C07J 19/00
Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 by a lactone ring
C07J 19/005
.
{
Glycosides
}
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C07J 21/00
Normal steroids containing carbon, hydrogen, halogen or oxygen having an oxygen-containing hetero ring spiro-condensed with the cyclopenta(a)hydrophenanthrene skeleton
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C07J 21/001
.
{
Lactones
}
C07J 21/003
. .
{
at position 17
}
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C07J 21/005
.
{
Ketals
}
C07J 21/006
. .
{
at position 3
}
C07J 21/008
. .
{
at position 17
}
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Guide Heading:
Normal steroids, i.e. cyclopenta(a)hydrophenanthrenes, containing sulfur
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C07J 31/00
Normal steroids containing one or more sulfur atoms not belonging to a hetero ring
C07J 31/003
.
{
the S atom directly linked to a ring carbon atom of the cyclopenta(a)hydrophenanthrene skeleton
}
C07J 31/006
.
{
not covered by C07J 31/003
}
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C07J 33/00
Normal steroids having a sulfur-containing hetero ring spiro-condensed or not condensed with the cyclopenta(a)hydrophenanthrene skeleton
C07J 33/002
.
{
not condensed
}
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C07J 33/005
.
{
spiro-condensed
}
C07J 33/007
. .
{
Cyclic thioketals
}
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Guide Heading:
Normal steroids, i.e. cyclopenta(a)hydrophenanthrenes, containing nitrogen
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Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring
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C07J 41/0005
.
{
the nitrogen atom being directly linked to the cyclopenta(a)hydro phenanthrene skeleton
}
C07J 41/0011
. .
{
Unsubstituted amino radicals
}
C07J 41/0016
. .
{
Oximes
}
C07J 41/0022
. .
{
Isocyanates; Isothiocyanates
}
C07J 41/0027
. .
{
Azides
}
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C07J 41/0033
.
{
not covered by C07J 41/0005
}
NOTE
-
In groups C07J 41/0038 to C07J 41/0094 all references to substituents in postion 17-beta of the steroid skeleton include substituents at the 17-position when there is a double bond to or from position 17, and all references to an amide group include all nitrogen substituted carbonyl groups

C07J 41/0038
. .
{
with an androstane skeleton, including 18- or 19-substituted derivatives, 18-nor derivatives and also derivatives where position 17-beta is substituted by a carbon atom not directly bonded to a further carbon atom and not being part of an amide group
}
C07J 41/0044
. .
{
with an estrane or gonane skeleton, including 18-substituted derivatives and derivatives where position 17-beta is substituted by a carbon atom not directly bonded to another carbon atom and not being part of an amide group
}
C07J 41/005
. .
{
the 17-beta position being substituted by an uninterrupted chain of only two carbon atoms, e.g. pregnane derivatives
}
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C07J 41/0055
. .
{
the 17-beta position being substituted by an uninterrupted chain of at least three carbon atoms which may or may not be branched, e.g. cholane or cholestane derivatives, optionally cyclised, e.g. 17-beta-phenyl or 17-beta-furyl derivatives
}
C07J 41/0061
. . .
{
one of the carbon atoms being part of an amide group
}
C07J 41/0066
. .
{
the 17-beta position being substituted by a carbon atom forming part of an amide group
}
C07J 41/0072
. .
{
the A ring of the steroid being aromatic
}
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C07J 41/0077
. .
{
substituted in position 11-beta by a carbon atom, further substituted by a group comprising at least one further carbon atom
}
C07J 41/0083
. . .
{
substituted in position 11-beta by an optionally substituted phenyl group not further condensed with other rings
}
C07J 41/0088
. .
{
containing unsubstituted amino radicals
}
C07J 41/0094
. .
{
containing nitrile radicals, including thiocyanide radicals
}
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Normal steroids having a nitrogen-containing hetero ring spiro-condensed or not condensed with the cyclopenta(a)hydrophenanthrene skeleton
C07J 43/003
.
{
not condensed
}
C07J 43/006
.
{
spiro-condensed
}
Normal steroids with unmodified cyclopenta(a)hydrophenanthrene skeleton not provided for in groups C07J 1/00 to C07J 43/00
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C07J 53/00
Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by condensation with a carbocyclic rings or by formation of an additional ring by means of a direct link between two ring carbon atoms,
{
including carboxyclic rings fused to the cyclopenta(a)hydrophenanthrene skeleton are included in this class
}
C07J 53/001
.
{
spiro-linked
}
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C07J 53/002
.
{
Carbocyclic rings fused
}
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C07J 53/004
. .
{
3 membered carbocyclic rings
}
C07J 53/005
. . .
{
in position 12
}
C07J 53/007
. . .
{
in position 6-7
}
C07J 53/008
. . .
{
in position 15/16
}
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Guide Heading:
Nor- or homo steroids
C07J 61/00
Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by contraction of only one ring by one or two atoms
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C07J 63/00
Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by expansion of only one ring by one or two atoms
C07J 63/002
.
{
Expansion of ring A by one atom, e.g. A homo steroids
}
C07J 63/004
.
{
Expansion of ring B by one atom, e.g. B homo steroids
}
C07J 63/006
.
{
Expansion of ring C by one atom, e.g. C homo steroids
}
C07J 63/008
.
{
Expansion of ring D by one atom, e.g. D homo steroids
}
C07J 65/00
Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by contraction of two rings, each by one atom
C07J 67/00
Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by expansion of two rings, each by one atom
C07J 69/00
Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by contraction of only one ring by one atom and expansion of only one ring by one atom
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Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring( spiro-condensed heterocyclic rings C07J 21/00 , C07J 33/00 , C07J 43/00 )
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C07J 71/0005
.
{
Oxygen-containing hetero ring
}
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C07J 71/001
. .
{
Oxiranes
}
C07J 71/0015
. . .
{
at position 9(11)
}
C07J 71/0021
. . .
{
at position 14(15)
}
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C07J 71/0026
. .
{
cyclic ketals
}
C07J 71/0031
. . .
{
at positions 16, 17
}
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C07J 71/0036
.
{
Nitrogen-containing hetero ring
}
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C07J 71/0042
. .
{
Nitrogen only
}
C07J 71/0047
. . .
{
at position 2(3)
}
C07J 71/0052
. . .
{
at position 16(17)
}
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C07J 71/0057
. .
{
Nitrogen and oxygen
}
C07J 71/0063
. . .
{
at position 2(3)
}
C07J 71/0068
. . .
{
at position 16(17)
}
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C07J 71/0073
.
{
Sulfur-containing hetero ring
}
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C07J 71/0078
. .
{
containing only sulfur
}
C07J 71/0084
. . .
{
Episulfides
}
C07J 71/0089
. .
{
containing sulfur and oxygen
}
C07J 71/0094
. .
{
containing sulfur and nitrogen
}
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Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by substitution of one or two carbon atoms by hetero atoms
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C07J 73/001
.
{
by one hetero atom
}
C07J 73/003
. .
{
by oxygen as hetero atom
}
C07J 73/005
. .
{
by nitrogen as hetero atom
}
C07J 73/006
. .
{
by sulfur as hetero atom
}
C07J 73/008
.
{
by two hetero atoms
}
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Processes for the preparation of steroids in general
C07J 75/005
.
{
Preparation of steroids by cyclization of non-steroid compounds
}
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Last Modified: 10/10/2013