Process for preparing 17.alpha.-hydroxy-pregn-4-en-3,20-dione

Details Process for preparing 17.alpha.-hydroxy-pregn-4-en-3,20-dione Process for preparing 17.alpha.-hydroxy-pregn-4-en-3,20-dione

1982-10-20

1984-11-13

Roberts, Elbert L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07J 500

Patent

active

044824947

ABSTRACT:
The invention relates to a novel process for the preparations of pregnane derivatives of formula I, ##STR1## wherein R.sup.1 stands for a methyl or an ethyl group,

REFERENCES:
patent: 2964537 (1960-12-01), Engelfried et al.
patent: 3880895 (1975-04-01), Greenspan et al.
patent: 4039669 (1977-08-01), Beyler et al.
patent: 4102908 (1978-07-01), Hofmeister et al.

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