γ-Regioselectivity of (furan-2-yloxy)-trimethyl-silane towards iminium salts:: synthesis of γ-arylidenebutenolides

被引：14

作者：

Piper, S ^{[1
]}

Risch, N ^{[1
]}

机构：

[1] Univ Paderborn, Fak Nat Wissensch, Dept Chem, Warburger Str 100, D-33098 Paderborn, Germany

来源：

ARKIVOC | 2003年

关键词：

ternary iminium salts; silyloxy dienes; aminoalkylation; Mannich reaction; gamma-butenolides;

D O I：

10.3998/ark.5550190.0004.111

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The aminoalkylation of (furan-2-yloxy) trimethylsilane ( 1) from inexpensive starting materials yields gamma-butenolides 4. Preformed and in situ generated ternary iminium salts are used. In contrast to other methodologies, no mercury or silver catalysts are necessary for this procedure.

引用

页码：86 / 92

页数：7