Synthesis of steroids
First Claim
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1. In a process for preparing a 3,6-diketo steroid compounds, the step of heating a compound having the structure:
- ##STR11## with a metal cyanide, where Q is an aryl or alkyl sulfonyl group to produce the compound having the structure;
##STR12##
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Abstract
The synthesis of 1α,25-dihydroxycholesterol, 1α,25-dihydroxy-7-dehydrocholesterol and 1α,25-dihydroxycholecalciferol and other sterol derivatives from bile acids. Also the synthesis of 3,6-diketo steroids useful in the production of 1α,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.
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Citations
18 Claims
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1. In a process for preparing a 3,6-diketo steroid compounds, the step of heating a compound having the structure:
- ##STR11## with a metal cyanide, where Q is an aryl or alkyl sulfonyl group to produce the compound having the structure;
##STR12## - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
- ##STR11## with a metal cyanide, where Q is an aryl or alkyl sulfonyl group to produce the compound having the structure;
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