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Enantioselective Total Synthesis of the (−)-(6 R ,11 R ,14 S )-Isomer of Colletallol

✍ Scribed by Amigoni, Sonia J.; Toupet, Loïc J.; Le Floc'h, Yves J.


Book ID
127251654
Publisher
American Chemical Society
Year
1997
Tongue
English
Weight
193 KB
Volume
62
Category
Article
ISSN
0022-3263

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ChemInform Abstract: Enantioselective To
✍ S. J. AMIGONI; L. J. TOUPET; Y. J. LE FLOC'H 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 34 KB 👁 2 views

Enantioselective Total Synthesis of the (-)-(6R,11R,14S)-Isomer of Colletallol. -The total synthesis of title compound (VII) is based on two consecutive Wittig reactions, the first one intermolecular and the second one intramolecular, instead of classical macrolactonizations. The strategy is flexibl

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AbstractÐThe total synthesis of (S,R,R,R)-Nebivolol, a hypertensive agent, is reported. Claisen rearrangement and a one-pot Sharpless asymmetric epoxidation, intramolecular epoxide opening with internal phenoxide anion to generate the chiral chromane are the key steps.