CYCLIZATIONS OF OMEGA-ALLENYL ORGANOMETALLIC REAGENTS

被引：3

作者：

CRANDALL, JK

AYERS, TA

机构：

[1] Department of Chemistry, Indiana University, Bloomington

来源：

TETRAHEDRON LETTERS | 1992年 / 33卷 / 37期

关键词：

ALLENE; CYCLIZATION; ORGANOMETALLIC; ORGANOLITHIUM; CUPRATE;

D O I：

10.1016/S0040-4039(00)79080-0

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Allenyl organometallic reagents of type R2C = C = CH(CH2)nCH2M undergo cyclization at the central allenic carbon for n = 2 (M = Li) and at the near allenic carbon for n = 3 (M = CuCNLi) to provide cyclopentane systems; little cyclization was observed for the n = 4 systems (M = Li, CuCNLi).

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页码：5311 / 5314

页数：4

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