Preparation of cyclic N-tert-butylsulfonyl enamines by Rh(II)-mediated ring expansion of α-diazoesters

被引：24

作者：

Chen, Shufeng ^{[1
]}

Zhao, Yonghua ^{[1
]}

Wang, Jianbo ^{[1
]}

机构：

[1] Peking Univ, Key Lab Bioorgan Chem & Mol Engn, Minist Educ, Coll Chem, Beijing 100871, Peoples R China

来源：

SYNTHESIS-STUTTGART | 2006年 / 10期

关键词：

diazo compounds; Rh(II) carbene; 1,2-C-C bond migration; ring expansion;

D O I：

10.1055/s-2006-926449

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The anion derived from ethyl diazoacetate adds to N-tert-butylsulfonyl ketimines to give beta-tert-butylsulfonylainino alpha-diazoesters, which are further transformed into cyclic enamines by treatment with Rh-2(OAc)(4), through 1,2-C-C bond migration of a Rh(II) carbene intermediate.

引用

页码：1705 / 1710

页数：6

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