Chemical syntheses of 5α-cholesta-6,8(14
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Edward J. Parish; George J. Schroepfer Jr.
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Article
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1979
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Elsevier Science
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English
⚖ 785 KB
Hydroboration of 5a-cholesta-8,14-dien-3fl-ol ( ) gav e 5a-cholest-8-en-3CLl5a-diol (IV) in 89% yield. 5a-Cholest-7-en-3/3,15a-diol (V) was prepared in 91% yield by hydroboration of 5ct-cholesta-7,14-dien-3/3-ol (H). Hydroboration of 27:63 mixture of I and H gave IV and V in 18% and 70% yields, resp