Abstract (1) 3β, 6β-Dihydroxy-5β-cholanoic acid was synthesized from methyl 3β-hydroxy-Δ5-cholenoate in high yield. (2) 3β, 6α-Dihydroxy-5α-cholanoic acid was also synthesized from 3β-hydroxy-6-oxo-5α-cholanoic acid or 3, 6-dioxo-5α-cholanoic acid.
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Jun’ichi Kawanami (1961) studied this question.
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