Efficient enantioselective additions of terminal alkynes and aldehydes under operationally convenient conditions

被引:234
作者
Boyall, D [1 ]
Frantz, DE [1 ]
Carreira, EM [1 ]
机构
[1] ETH Honggerberg, Organ Chem Lab, CH-8093 Zurich, Switzerland
关键词
D O I
10.1021/ol026282k
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
[GRAPHICS] The enantioselective addition reaction of terminal acetylenes and aldehydes mediated by Zn(OTf)(2) and N-methyl ephedrine can be conducted with reagent grade solvent containing 84-1000 ppm H2O. The products can be isolated in high yield and useful enantioselectivities (up to 99% ee).
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页码:2605 / 2606
页数:2
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