Total Synthesis of Bafilomycin A1

被引:60
作者
Kleinbeck, Florian [1 ]
Carreira, Erick M. [1 ]
机构
[1] ETH, Organ Chem Lab, HCI H335, CH-8093 Zurich, Switzerland
基金
瑞士国家科学基金会;
关键词
acetylides; asymmetric synthesis; natural products; nitrile oxides; total synthesis; PRACTICAL CHIRAL AUXILIARY; STEREOSELECTIVE-SYNTHESIS; ENANTIOSELECTIVE SYNTHESIS; PROPARGYLIC ALCOHOLS; TERMINAL ALKYNES; ALDOL REACTIONS; FRAGMENT; REDUCTION; MACROLIDE; ALDEHYDES;
D O I
10.1002/anie.200804645
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A convergent synthesis of bafilomycin A1 (see structure) is presented, and relies on the Zn(OTf)2-mediated diastereoselective addition of alkynes to aldehydes. The coupling of a complex enyne with a sensitive aldehyde in the key step, in combination with a novel strategy for a chemoselective trans-reduction of the enyne, establishes an alternative to standard palladium-catalyzed cross-coupling strategies for the formation of 1,3-dienes. (Chemical Equation Presented). © 2009 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码:578 / 581
页数:4
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