Japanese Patent JPS6338040

B2

Novel 17-[(hydroxymethyl)formamido methylene]-steroids of the formula I wherein R1 is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms optionally substituted with halogen or an oxygen or nitrogen function and alkenyl and alkynyl of 2 to 4 carbon atoms, R2 is alkyl of 1 to 4 carbon atoms and the A,B,C and D rings may contain one or more double bonds and are optionally substituted with at least one member of the group consisting of hydroxy, keto, halogen, alkyl and alkoxy of 1 to 4 carbon atoms and alkenyl and alkynyl of 2 to 4 carbon atoms and a process for their preparation which are intermediates for the preparation of the corresponding 17-hydroxyacetyl steroids.

JP3710470

Methods, compositions and compounds for allosteric modification of GABA receptors by components of the androstane and pregnane series.

RYUSHIAN NEDORETSUKU
BESUPERUTO TORERI

JP10378580A

July 28, 1988

July 30, 1980

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ROUSSEL UCLAF

C07J13/00; C07J5/00; C07J41/00; C07J43/00

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