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C26-analogs of naturally occurring bile alcohols-II. Preparation of 24-nor-5β-cholestane-3α,7α,12α,23-tetrols (23R and 23S) and 24-nor-5β-cholestane-3α,7α,12α,26-tetrols (25R and 25S) by a hydroboration procedure

✍ Scribed by B. Dayal; G.S. Tint; G. Salen


Book ID
119481441
Publisher
Elsevier Science
Year
1979
Tongue
English
Weight
280 KB
Volume
34
Category
Article
ISSN
0039-128X

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Bile alcohol glucuronides: regioselectiv
✍ Bishambar Dayal; Gerald Salen; Janak Padia; Sarah Shefer; George S. Tint; Gino S 📂 Article 📅 1993 🏛 Elsevier Science 🌐 English ⚖ 746 KB

## ABSTRAm A facile and regiocontrolled procedure for the preparation of S~-cholestane-3a,7c,l2~,25-tetrol-3-O-fi-o-glucuronide and its corresponding C-26 analogue is described. The method involves direct coupling of bile alcohols, namely, 5/3-cholestane-3rY,7~,12a,25-tetrol and 24-nor-Sp-cholesta