INTERMOLECULAR TAUTOMERIZATION OF METALLACYCLIC IMINES TO ENAMINES FORMED FROM TANTALUM ALKYNE COMPLEXES AND NITRILES

被引：37

作者：

STRICKLER, JR ^{[1
]}

WIGLEY, DE ^{[1
]}

机构：

[1] UNIV ARIZONA,DEPT CHEM,CARL S MARVEL LABS CHEM,TUCSON,AZ 85721

来源：

ORGANOMETALLICS | 1990年 / 9卷 / 05期

关键词：

D O I：

10.1021/om00119a044

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The electrophilic metal center in (DIPP)3Ta(PhC≡CPh) (1; DIPP = 2,6-diisopropylphenoxide) coordinates a variety of nitriles to afford the η1-nitrile adducts (DIPP)3(RC≡N)Ta(PhC≡CPh) (2, R = CH3; 3, R = CH2CH3; 4, R = CMe3; 5, R = Ph). Those complexes of nitriles containing α-hydrogens (2 and 3) react further to form the metallacyclic enamine complexes [inline formula omitted] (6, R = H; 7, R = CH3). Deuterium labeling and crossover experiments support these products as having arisen through an intermolecular metallacyclic imine to enamine tautomerization. © 1990, American Chemical Society. All rights reserved.

引用

页码：1665 / 1669

页数：5

共 36 条

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