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IPC 7
C07J-C07J07500

SECTION C – CHEMISTRY; METALLURGY


C 07ORGANIC CHEMISTRY (such compounds as the oxides, sulfides, or oxysulfides of carbon, cyanogen, phosgene, hydrocyanic acid or salts thereof C01; products obtained from layered base-exchange silicates by ion-exchange with organic compounds such as ammonium, phosphonium or sulfonium compounds or by intercalation of organic compounds C01B 33/44; macromolecular compounds C08; dyes C09; fermentation products C12; fermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture C12P; production of organic compounds by electrolysis or electrophoresis C25B 3/00, C25B 7/00) [2]


C 07 JSTEROIDS (seco-steroids C07C) [2]


Notes

(1)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.  [4]

(2)Therapeutic activity of compounds is further classified in subclass A61P. [7]

(3)In this subclass, it is desirable to add the indexing codes of subclass C07M. The indexing codes should be unlinked.  [6]


Subclass Index

NORMAL STEROIDS 

containing halogen or oxygen 

oxygen other than as ring hetero atom 

C07J 1/00, C07J 3/00, C07J 5/00, C07J 7/00, C07J 9/00, C07J 11/00, C07J 13/00, C07J 15/00 

oxygen as ring hetero atom 

C07J 17/00, C07J 19/00, C07J 21/00 

containing sulfur 

C07J 31/00, C07J 33/00 

containing nitrogen 

C07J 41/00, C07J 43/00 

other steroids 

C07J 51/00 

STEROIDS WITH MODIFIED SKELETON 

retrosteroids 

C07J 15/00 

nor-, homosteroids 

C07J 61/00, C07J 63/00, C07J 65/00, C07J 67/00, C07J 69/00 

condensed with carbocyclic rings 

C07J 53/00 

heterosteroids 

C07J 71/00, C07J 73/00 

PREPARATION OF STEROIDS IN GENERAL 

C07J 75/00 



Normal steroids, i.e. cyclopenta[a]hydrophenanthrenes, containing carbon, hydrogen, halogen, or oxygen  [2]


1/

00Normal steroids containing carbon, hydrogen, halogen, or oxygen, not substituted in position 17 beta by a carbon atom, e.g. oestrane, androstane  [2]


3/

00Normal steroids containing carbon, hydrogen, halogen, or oxygen, substituted in position 17 beta by one carbon atom  [2]


5/

00Normal 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  [2]


7/

00Normal steroids containing carbon, hydrogen, halogen, or oxygen, substituted in position 17 beta by a chain of two carbon atoms (C07J 5/00 takes precedence) [2]


9/

00Normal 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  [2]


11/

00Normal steroids containing carbon, hydrogen, halogen, or oxygen, not substituted in position 3  [2]


13/

00Normal steroids containing carbon, hydrogen, halogen, or oxygen, having a carbon-to-carbon double bond from or to position 17  [2]


15/

00Stereochemically pure steroids containing carbon, hydrogen, halogen, or oxygen, having a partially or totally inverted skeleton, e.g. retrosteroids, L-isomers  [2]


17/

00Normal 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) [2]


19/

00Normal steroids containing carbon, hydrogen, halogen, or oxygen, substituted in position 17 by a lactone ring  [2]


21/

00Normal steroids containing carbon, hydrogen, halogen, or oxygen, having an oxygen-containing hetero ring spiro-condensed with the cyclopenta[a]hydrophenanthrene skeleton  [2]


Normal steroids, i.e. cyclopenta[a]hydrophenanthrenes, containing sulfur  [2]


31/

00Normal steroids containing one or more sulfur atoms not belonging to a hetero ring  [2]


33/

00Normal steroids having a sulfur-containing hetero ring spiro-condensed or not condensed with the cyclopenta[a]hydrophenanthrene skeleton  [2]


Normal steroids, i.e. cyclopenta[a]hydrophenanthrenes, containing nitrogen  [2]


41/

00Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring  [2]


43/

00Normal steroids having a nitrogen-containing hetero ring spiro-condensed or not condensed with the cyclopenta[a]hydrophenanthrene skeleton  [2]



51/

00Normal steroids with unmodified cyclopenta[a]hydrophenanthrene skeleton not provided for in groups C07J 1/00 to C07J 43/00  [2]


53/

00Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by condensation with carbocyclic rings or by formation of an additional ring by means of a direct link between two ring carbon atoms  [2]


Nor- or homosteroids  [2]


61/

00Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by contraction of only one ring by one or two atoms  [2]


63/

00Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by expansion of only one ring by one or two atoms  [2]


65/

00Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by contraction of two rings, each by one atom  [2]


67/

00Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by expansion of two rings, each by one atom  [2]


69/

00Steroids 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  [2]



71/

00Steroids 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) [2]


73/

00Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by substitution of one or two carbon atoms by hetero atoms  [2]


75/

00Processes for the preparation of steroids, in general  [4]


  
 

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