Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1982-04-02
1983-01-11
Roberts, Elbert L.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
C07J 500
Patent
active
043681603
ABSTRACT:
The invention relates to a novel process for the preparation of pregnane derivatives of formula I, ##STR1## wherein R.sup.1 stands for a methyl or an ethyl group,
REFERENCES:
patent: 4041055 (1977-08-01), Shephard et al.
Boor nee Mezei Anna
Gabor Laszlo
Holly Sandor
Major nee Fastner Piroska
Szen Tamas
Richter Gedeon Vegyeszeti Gyar R.T.
Roberts Elbert L.
Ross Karl F.
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