Niobium(V) chloride-mediated allylation of aldehydes. Scope and stereoselectivity

被引：49

作者：

Andrade, CKZ ^{[1
]}

Azevedo, NR ^{[1
]}

机构：

[1] Univ Brasilia, Inst Quim, BR-70910970 Brasilia, DF, Brazil

来源：

TETRAHEDRON LETTERS | 2001年 / 42卷 / 37期

关键词：

D O I：

10.1016/S0040-4039(01)01306-5

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Niobium chloride promoted the addition of allylstannanes to aromatic and aliphatic aldehydes. Excellent syn diastereoselectivity was obtained in the addition of E-cinnamylstannane to benzaldehyde (49:1). In the addition of allylstannane to racemic, 2-phenylpropionaldehyde, syn diastereoselection (Cram-anti-Cram=3:1) was observed. The same level of diastereoselection was achieved in the reaction between crotylstannane and benzaldehyde. (C) 2001 Elsevier Science Ltd. All rights reserved.

引用

页码：6473 / 6476

页数：4

共 29 条

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