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Enantioselective Total Synthesis and Studies into the Configurational Stability of Bismurrayaquinone A

✍ Scribed by Leah C. Konkol; Dr. Fenghai Guo; Dr. Amy A. Sarjeant; Prof. Regan J. Thomson

Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
318 KB
Volume
50
Category
Article
ISSN
0044-8249

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Enantioselective Total Synthesis and Stu
Enantioselective Total Synthesis and Studies into the Configurational Stability of Bismurrayaquinone A
✍ Leah C. Konkol; Dr. Fenghai Guo; Dr. Amy A. Sarjeant; Prof. Regan J. Thomson πŸ“‚ Article πŸ“… 2011 πŸ› John Wiley and Sons 🌐 English βš– 336 KB πŸ‘ 1 views

Scheme 1. Bismurrayaquinone A (1) and key biphenol 2. Scheme 2. a) PhI(OAc) 2 (1.2 equiv), MeOH, 91 %; b) Me 2 Zn (0.9 equiv), (S,R,R)-phosphoramidite ligand (4.5 mol %), Cu(OTf) 2 (2 mol %), 45-52 %; c) LDA (1.1 equiv); CuCl 2 (1.1 equiv), 63 %; d) BF 3 β€’OEt 2 (10 equiv), toluene, reflux, 87 %; e)