Synthesis and structure of platinum and palladium complexes of dimesitylphosphine

被引：20
|
作者：
Pelczar, EM
Nytko, EA
Zhuravel, MA
Smith, JM
Glueck, DS [1 ]
Sommer, R
Incarvito, CD
Rheingold, AL
机构：
[1] Dartmouth Coll, Dept Chem, Burke Lab 6128, Hanover, NH 03755 USA
[2] Univ Delaware, Dept Chem, Newark, DE 19716 USA
来源：
POLYHEDRON | 2002年 / 21卷 / 23期
关键词：
dimesitylphosphine; secondary phosphine; X-ray crystallography; NMR; cone angle; fluxional;
D O I：
10.1016/S0277-5387(02)01184-1
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Treatment of Pd(tmeda)Me-2 with dimesitylphosphine (PMeS2H, L) gave cis-PdL2Me2, (1). trans-ML2Cl2 (M = Pd (2), Pt (3)) were prepared from a variety of starting materials. The reaction of Pt(cod)Cl-2 with L gave cis-PtL2Cl2 (4), which reacted with PPh3 to yield cis-Pt(L)(PPh3)Cl-2 (5). cis-PtL2(Me)(Cl) (6) was prepared from L and Pt(cod)(Me)(Cl), while reaction of L with Pt(cod)(Et)(I) gave cis-PtL2(Et)(1) (7), which isomerized to trans-PtL2(Et)(1) (8). The phosphine-borane PMes(2)H.BH3 (9) was made by reaction of L with BH3.SMe2. Crystal structures of 2.2CH(2)Cl(2), 4.CH2Cl2, 5.2CH(2)Cl(2), 6, and 9 provided 7information on the steric bulk of L (cone angle ca. 149degrees). Restricted rotation about the Pt-P and P-C bonds in complexes 4-8 was studied by variable temperature NMR spectroscopy. (C) 2002 Elsevier Science Ltd. All rights reserved.
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收藏
页码：2409 / 2419
页数：11
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