Patent classifications
C
CHEMISTRY; METALLURGY
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C07
ORGANIC CHEMISTRY
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C07J
STEROIDS
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41/00
Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring
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C07J41/0033
not covered by C07J41/0005
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C07J41/0055
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
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C07J41/0061
one of the carbon atoms being part of an amide group
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