Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1981-02-17
1982-03-30
Roberts, Elbert L.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
26023955D, 2603971, 2603973, 2603974, 26039745, 26039747, 26023957, C07J 500
Patent
active
043223494
ABSTRACT:
A process for preparing a 6-methylene-.DELTA..sup.4 -3-keto steroid of the formula ##STR1## wherein R is hydrogen, alkoxy of up to 6 carbon atoms or acyloxy of up to 6 carbon atoms wherein the acyl group is that of a carboxylic acid, and
REFERENCES:
patent: 3095411 (1963-06-01), Keik et al.
patent: 3328433 (1967-06-01), Cooley et al.
patent: 3389154 (1968-06-01), Burh et al.
Annen Klaus
Hofmeister Helmut
Laurent Henry
Wiechert Rudolf
Roberts Elbert L.
Schering Aktiengesellschaft
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