Synthesis and NMR spectra of derivatives of the polykis(diphenylphosphino)benzenes, (Ph2P)nC6H6-n [n=2 to 4]

被引：32

作者：

McFarlane, HCE ^{[1
]}

McFarlane, W ^{[1
]}

机构：

[1] Univ Newcastle Upon Tyne, Dept Chem, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England

来源：

POLYHEDRON | 1999年 / 18卷 / 16期

基金：

英国工程与自然科学研究理事会;

关键词：

polyphosphine; P-31; NMR; coupling constant; steric hindrance; metal complex;

D O I：

10.1016/S0277-5387(99)00101-1

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

111 derivatives of the polykis(diphenylphosphino)benzenes, (Ph2P)(n)C6H6-n [n=2 to 4] obtained by oxidation or reaction with sulfur, selenium, iodomethane, M(CO)(6) [M=Cr, Mo, W], [codRh-mu-Cl](2), or (PhCN)(2)MCl2 [M=Pd, Pt], are reported together with their P-31 and selected other NMR parameters. The reactions generally follow predictable courses, although stereochemical factors affect the range of products obtained and can lead to significant structural distortion in extreme cases. The P-31 chemical shifts and more particularly vicinal coupling constants are also markedly influenced by such factors, to the extent that in species with three or more adjacent Ph2P moieties they may be of limited diagnostic value. (C) 1999 Elsevier Science Ltd. All rights reserved.

引用

页码：2117 / 2127

页数：11

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