SYNTHESIS OF NOVEL DIPLATINUM COMPLEXES CONTAINING THE (DIPHENYLPHOSPHINO)CYCLOPENTADIENYL LIGAND

被引：22

作者：

ANDERSON, GK ^{[1
]}

LIN, MR ^{[1
]}

CHIANG, MY ^{[1
]}

机构：

[1] WASHINGTON UNIV,ST LOUIS,MO 63130

来源：

ORGANOMETALLICS | 1990年 / 9卷 / 01期

关键词：

D O I：

10.1021/om00115a047

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The reactions of [PtCIR(cod)] with TIC5H4PPh2 yield the novel dimeric complexes [Pt2R2(μ-η5-C5H4PPh2)2] (1a, R = Me; 1b, R = Ph). The structure of 1b has been determined by X-ray diffraction, and the molecule does not possess the expected center of symmetry. This lack of a symmetry element persists in solution at low temperatures for both compounds. Treatment of 1a with carbon monoxide yields the face-to-face dimer [Pt2Me2-(CO)2(μ -η1-C5H4PPh2)2] (2a), in which an η5 to η1 rearrangement of the cyclopentadienyl group has occurred. Reaction of 1a or 1b with CNBut yields [PtR(CNBut)2 (Ph2PC5H4)], in which the C5H4 unit is uncoordinated. The intermediate [Pt2Me2(CNBut)2(μ - η1-C5H4PPh2)2] has been characterized spectroscopically. © 1990, American Chemical Society. All rights reserved.

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页码：288 / 289

页数：2

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