Total syntheses of epothilones A and B
D Meng, P Bertinato, A Balog, DS Su…
Index: Dongfang, Meng; Bertinato, Peter; Balog, Aaron; Su, Dai-Shi; Kamenecka, Ted; et al. Journal of the American Chemical Society, 1997 , vol. 119, # 42 p. 10073 - 10092
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Citation Number: 309
Abstract
Convergent, stereocontrolled total syntheses of the microtubule-stabilizing macrolides epothilones A (2) and B (3) have been achieved. Four distinct ring-forming strategies were pursued (see Scheme 1). Of these four, three were reduced to practice. In one approach, the action of a base on a substance possessing an acetate ester and a nonenolizable aldehyde brought about a remarkably effective macroaldolization see (89→ 90+ 91; 99→ 100+ 101) ...
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