IODINE MONOBROMIDE (IBR) AT LOW-TEMPERATURE - A SUPERIOR PROTOCOL FOR DIASTEREOSELECTIVE CYCLIZATIONS OF HOMOALLYLIC CARBONATES

被引：20

作者：

DUAN, JJW

SPRENGELER, PA

SMITH, AB

机构：

[1] UNIV PENN,DEPT CHEM,PHILADELPHIA,PA 19104

[2] UNIV PENN,RES STRUCT MATTER LAB,PHILADELPHIA,PA 19104

[3] UNIV PENN,MONELL CHEM SENSES CTR,PHILADELPHIA,PA 19104

来源：

TETRAHEDRON LETTERS | 1992年 / 33卷 / 43期

基金：

美国国家卫生研究院;

关键词：

D O I：

10.1016/S0040-4039(00)79009-5

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Iodine monobromide (IBr) induces efficient electrophilic cyclizations of homoallylic t-butyl carbonates in toluene or methylene chloride al low temperature, affording significantly better diastereoselectivity than iodine (I2) in acetonitrile.

引用

页码：6439 / 6442

页数：4

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