Study of insertion of olefins and/or carbon monoxide into phosphine-imine palladium methyl complexes

被引：79

作者：

Reddy, KR ^{[1
]}

Surekha, K ^{[1
]}

Lee, GH ^{[1
]}

Peng, SM ^{[1
]}

Chen, JT ^{[1
]}

Liu, ST ^{[1
]}

机构：

[1] Natl Taiwan Univ, Dept Chem, Taipei 106, Taiwan

来源：

ORGANOMETALLICS | 2001年 / 20卷 / 07期

关键词：

D O I：

10.1021/om000880q

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Palladium methyl complexes with a phosphine-imine (P similar toN) bidentate ligand, [Pd(P similar toN)-MeCl] (1), [Pd(P similar toN)Me(CH3CN)] (BF4) (2), and [Pd(P similar toN)Me(PPh3)] (BF4) (3), are treated with CO to result in the corresponding Pd-acyl complexes 4-6. NMR studies indicate the formation of a sole isomer with the acyl group cis to the phosphine donor. The neutral complex 4 and the triphenylphosphine-substituted complex 6 cannot serve for the insertion of ethylene. However, the acetonitrile complex 5 appears to be active in the insertion reaction with various alkenes as well as ethylene/CO (E-CO) co-oligomerization, resulting in the products 7-14 and 16, which have been isolated and characterized by spectroscopic methods. X-ray structures of 1, 2, 3, 4, 7, 10, 11, and 13 are revealed.

引用

页码：1292 / 1299

页数：8

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