METATHESIS VS POLYMERIZATION OF TERMINAL ACETYLENES OVER [W(CBUT)(OBUT)3]

被引：46

作者：

BRAY, A

MORTREUX, A

PETIT, F

PETIT, M

SZYMANSKA-BUZAR, T

机构：

[1] ECOLE NATL SUPER CHIM LILLE, CHIM ORGAN APPL LAB,UST LILLE,CNRS,URA 402,BP 108, F-59652 VILLENEUVE DASCQ, FRANCE

[2] WROCLAW UNIV, INST CHEM, PL-50383 WROCLAW, POLAND

来源：

JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS | 1993年 / 02期

关键词：

D O I：

10.1039/c39930000197

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Terminal acetylenes RC=CH are transformed catalytically into metathesis products RC=CR and C2H2 on the carbyne complex[W(CBut)(OBut)3], a process which is rapidly followed by a polymerization of the alkyne; in the case of sterically hindered Bu(t)C=CH, a stoichiometric reaction is observed, by which a dinuclear compound mu-C2H2[W(OBut)3]2 1 and the deprotiotungstenacyclobutadiene [WC3(But)2(OBut)2]2 are formed.

引用

页码：197 / 199

页数：3

共 16 条

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