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24-Methylene-25-methylcycloartanol and 24α-ethyl-5α-cholestan-3α-ol from Neolitsea sericea

✍ Scribed by Kouya Yano; Toshihiro Akihisa; Ryuji Kawaguchi; Toshitake Tamura; Taro Matsumoto

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
606 KB
Volume
31
Category
Article
ISSN
0031-9422

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📜 SIMILAR VOLUMES

Bile alcohol glucuronides: regioselectiv
Bile alcohol glucuronides: regioselective O-glucuronidation of 5β-cholestane-3α,7α,12α,25-tetrol and 24-nor-5β-cholestane-3α,7α,12α,25-tetrol
✍ 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