Synthesis of steroids

Details Synthesis of steroids Synthesis of steroids

1979-02-23

1980-10-07

Roberts, Elbert L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2603972, 2603971, C07J 2100

Patent

active

042267706

ABSTRACT:
The synthesis of 1.alpha.,25-dihydroxycholesterol, 1.alpha.,25-dihydroxy-7-dehydrocholesterol and 1.alpha.,25-dihydroxycholecalciferol and other sterol derivatives from bile acids. Also the synthesis of 3,6-diketo steroids useful in the production of 1.alpha.,25-dihydroxycholesterol and other sterols which are biologically active or can be converted to biologically active sterols. The invention involves the sterols so produced and the processes by which they are prepared.

REFERENCES:
patent: 4134904 (1979-01-01), Kaiser
patent: 4163744 (1979-08-01), Kaiser

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