First stereoselective synthesis of enantiomerically pure telluronium salts by the reaction of chiral halooxatelluranes with Grignard reagents

被引:16
|
作者
Zhang, J [1 ]
Saito, S [1 ]
Koizumi, T [1 ]
机构
[1] TOYAMA MED & PHARMACEUT UNIV,FAC PHARMACEUT SCI,TOYAMA 93001,JAPAN
关键词
D O I
10.1016/S0957-4166(97)00459-X
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
We prepared a series of enantiomerically pure benzyl and allyl telluronium salts 2 and 4, using the 2-exo-hydroxy-10-bornyl group as a chiral ligand, in high yield and selectivity by the reaction of chiral haloalkoxytelluranes 1 and 3 with Grignard reagents. A sharp pyramidal structure with S absolute configuration at the tellurium atom was confirmed by an X-ray analysis of 2c. (C) 1997 Published by Elsevier Science Ltd.
引用
收藏
页码:3357 / 3361
页数:5
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