A new one-pot arylacetylene synthesis:: 4-RC6H4CC(TMS) from 4-RC6H4CN and LiC(TMS)3(THF)2 via Li[N(TMS)C(C6H4R-4)C(TMS)2](THF) (TMS = SiMe3, R = H, F, Br, OMe or But)

被引：11

作者：

Lappert, MF ^{[1
]}

Layh, M ^{[1
]}

机构：

[1] Univ Sussex, Chem Lab, Brighton BN1 9QJ, E Sussex, England

来源：

TETRAHEDRON LETTERS | 1998年 / 39卷 / 26期

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1016/S0040-4039(98)00933-2

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Treatment of LiC(TMS)(3)(THF)(2) with the nitrile 4-RC6H4CN in Et2O at ambient temperature yields the new lithium I-aza-allyl Li[N(TMS)C(C6H4R-4)C(TMS)(2)](THF) which readily eliminates LiN(TMS)(2) upon heating in refluxing benzene yielding the acetylene 4-RC6H4C=C(TMS) in quantitative (TMS = SiMe3; R = H, Br, OMe or Bu-t) or low (R = F) yield. (C) 1998 Elsevier Science Ltd. All rights reserved.

引用

页码：4745 / 4748

页数：4

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