Stereospecific reaction of α-carbamoyloxy-2-alkenylboronates and α-carbamoyloxy-alkylboronates with Grignard reagents -: Synthesis of highly enantioenriched secondary alcohols

被引:78
作者
Beckmann, E [1 ]
Desai, V [1 ]
Hoppe, D [1 ]
机构
[1] Univ Munster, Inst Organ Chem, D-48149 Munster, Germany
关键词
boron; asymmetric synthesis; alcohols; chirality; stereoselectivity;
D O I
10.1055/s-2004-832835
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Highly enantioenriched secondary alcohols were synthesized by treatment of alpha-carbamoyloxy-2-alkenylboronates and alpha-carbamoyloxy-alkylboronates with Grignard reagents. An intermediary boronate complex was transformed stereospecifically to the corresponding secondary 2-alkenyl- and alkylboronates by migration of an introduced residue. Oxidative workup furnished the enantioenriched secondary alcohols.
引用
收藏
页码:2275 / 2280
页数:6
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