16.alpha.-methylation process

Details 16.alpha.-methylation process 16.alpha.-methylation process

1988-12-05

1991-02-05

Shah, Mukund J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

552505, C07J 900

Patent

active

049906127

ABSTRACT:
Disclosed is a process for the production of a .DELTA..sup.17(20) -steroid of the formula ##STR1## which comprises starting with a 16-unsaturated corticoid of the formula ##STR2## and contacting the 16-unsaturated corticoid (I) with a methylating agent in the presence of a copper catalyst and a silylating agent.

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