Tris(trimethylsilyl) silane: an unprecedented enhancement in the diastereoselectivity of radical cyclisations to give 2,4-disubstituted piperidines

被引：14

作者：

Gandon, LA ^{[1
]}

Russell, AG ^{[1
]}

Snaith, JS ^{[1
]}

机构：

[1] Univ Birmingham, Sch Chem, Birmingham B15 2TT, W Midlands, England

来源：

ORGANIC & BIOMOLECULAR CHEMISTRY | 2004年 / 2卷 / 16期

关键词：

D O I：

10.1039/b409714a

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Cyclisation of bromides 4a-f mediated by tributyltin hydride affords predominantly the trans piperidines 5a-f with modest diastereomeric ratios, while cyclisation with tris(trimethylsilyl)silane affords the same products with diastereomeric ratios of up to 99:1.

引用

页码：2270 / +

页数：2

共 29 条

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