DEPROTONATION OF A CP-STAR METHYL-GROUP BY AN IRIDIUM ANILIDE - FORMATION, STRUCTURE, AND SOLUTION DYNAMICS OF AN ETA-4-TETRAMETHYLFULVENE COMPLEX

被引：60

作者：

GLUECK, DS ^{[1
]}

BERGMAN, RG ^{[1
]}

机构：

[1] UNIV CALIF BERKELEY,DEPT CHEM,BERKELEY,CA 94720

来源：

ORGANOMETALLICS | 1990年 / 9卷 / 11期

关键词：

D O I：

10.1021/om00161a006

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The new iridium amide complex Cp*IrPPh3-(Me)(NHPh) (1, Cp* = η5-C5Me5) reacts with 1,2-bis(diphenylphosphino)ethane (dppe) to give PPh3, aniline, and the tetramethylfulvene complex (η4-C5Me4CH2)Ir(dppe)Me (4), which has been characterized by X-ray crystallography and by variable-temperature NMR spectroscopy. Deprotonation of [Cp*Ir(dppe)Me]+I- (7) with KNHPh or KOBut also gives 4, suggesting that the anilide ligand is displaced from 1 as an anion, which immediately deprotonates a Cp* methyl group. The fact that deprotonation of 7-d3 (prepared from Cp*Ir(dppe) (6) and CD3I) gives 4-d3 demonstrates that the Cp* methyl is the kinetic site of deprotonation even though it is more remote than the Ir-bound methyl from the positively charged metal center. © 1990, American Chemical Society. All rights reserved.

引用

页码：2862 / 2863

页数：2

共 17 条

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