17-(isocyano-sulfonylmethylene)-steroids, 17-...

Details 17-(isocyano-sulfonylmethylene)-steroids, 17-... 17-(isocyano-sulfonylmethylene)-steroids, 17-...

C - Chemistry, Metallurgy

07

J

260/57, 260/9

C07J 41/00 (2006.01) C07J 43/00 (2006.01) C07J 53/00 (2006.01)

Patent

CA 1257249

A B S T R A C T The invention relates to 17-(isocyano-sulfonylmethylene)- steroids and a process for the preparation of these compounds from 17-oxo-steroids. Furthermore the invention relates to 17- (formamido-sulfonylmethylene)-steroids, which compounds are intermediates in the preparation of the 17-(isocyano- sulfonylmethylene)-steroids, and a process for the preparation of these compounds.

453026

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