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  • C07J,CSP
    		•  Applicable area: "1/00-75/00" Invention of organic low molecular compound described by chemical substance name or chemical constitution formula
    Normal steroids, i.e. cyclopenta[a]hydrophenanthrenes, containing carbon, hydrogen, halogen, or oxygen[2]
  • C07J1/00
    		•  Normal steroids containing carbon, hydrogen, halogen, or oxygen, not substituted in position 17 beta by a carbon atom, e.g. oestrane, androstane [2] HB CC 4C091
  • C07J3/00
    		•  Normal steroids containing carbon, hydrogen, halogen, or oxygen, substituted in position 17 beta by one carbon atom [2] HB CC 4C091
  • C07J5/00
    		•  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 [2] HB CC 4C091
  • C07J7/00
    		•  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) [2] HB CC 4C091
  • C07J9/00
    		•  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 [2] HB CC 4C091
  • C07J11/00
    		•  Normal steroids containing carbon, hydrogen, halogen, or oxygen, not substituted in position 3 [2] HB CC 4C091
  • C07J13/00
    		•  Normal steroids containing carbon, hydrogen, halogen, or oxygen, having a carbon-to-carbon double bond from or to position 17 [2] HB CC 4C091
  • C07J15/00
    		•  Stereochemically pure steroids containing carbon, hydrogen, halogen, or oxygen, having a partially or totally inverted skeleton, e.g. retrosteroids, L-isomers [2] HB CC 4C091
  • C07J17/00
    		•  Normal steroids containing carbon, hydrogen, halogen, or oxygen, having an oxygen-containing hetero ring not condensed with the cyclopenta[a]hydrophenanthrene skeleton [2] HB CC 4C091
  • C07J19/00
    		•  Normal steroids containing carbon, hydrogen, halogen, or oxygen, substituted in position 17 by a lactone ring [2] HB CC 4C091
  • C07J21/00
    		•  Normal steroids containing carbon, hydrogen, halogen, or oxygen, having an oxygen-containing hetero ring spiro-condensed with the cyclopenta[a]hydrophenanthrene skeleton [2] HB CC 4C091
    Normal steroids, i.e. cyclopenta[a]hydrophenanthrenes, containing sulfur[2]
  • C07J31/00
    		•  Normal steroids containing one or more sulfur atoms not belonging to a hetero ring [2] HB CC 4C091
  • C07J33/00
    		•  Normal steroids having a sulfur-containing hetero ring spiro-condensed or not condensed with the cyclopenta[a]hydrophenanthrene skeleton [2] HB CC 4C091
    Normal steroids, i.e. cyclopenta[a]hydrophenanthrenes, containing nitrogen[2]
  • C07J41/00
    		•  Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring [2] HB CC 4C091
  • C07J43/00
    		•  Normal steroids having a nitrogen-containing hetero ring spiro-condensed or not condensed with the cyclopenta[a]hydrophenanthrene skeleton [2] HB CC 4C091
  • C07J51/00
    		•  Normal steroids with unmodified cyclopenta[a]hydrophenanthrene skeleton not provided for in groups C07J 1/00-C07J 43/00 [2] HB CC 4C091
  • C07J53/00
    		•  Steroids 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] HB CC 4C091
    Nor- or homosteroids[2]
  • C07J61/00
    		•  Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by contraction of only one ring by one or two atoms [2] HB CC 4C091
  • C07J63/00
    		•  Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by expansion of only one ring by one or two atoms [2] HB CC 4C091
  • C07J65/00
    		•  Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by contraction of two rings, each by one atom [2] HB CC 4C091
  • C07J67/00
    		•  Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by expansion of two rings, each by one atom [2] HB CC 4C091
  • C07J69/00
    		•  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 [2] HB CC 4C091
  • C07J71/00
    		•  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) [2] HB CC 4C091
  • C07J73/00
    		•  Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by substitution of one or two carbon atoms by hetero atoms [2] HB CC 4C091
  • C07J75/00
    		•  Processes for the preparation of steroids, in general [4] HB CC 4C091
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