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3185714
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Information
Patent Grant
3185714
References
Source
Patent Number
3,185,714
Date Filed
Not available
Date Issued
Tuesday, May 25, 1965
59 years ago
CPC
C07J71/00 - Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring
C07J53/00 - 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
C07J63/00 - Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by expansion of only one ring by one or two atoms
C07J67/00 - Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by expansion of two rings, each by one atom
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
C07J75/00 - Processes for the preparation of steroids in general
Y10S435/911 - using fungi
US Classifications
552 - Organic compounds
435 - Chemistry: molecular biology and microbiology
540 - Organic compounds
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