Rhodium(I) carbonyl complexes of triphenylphosphine chalcogenides and their catalytic activity

被引：22

作者：

Das, P ^{[1
]}

Konwar, D ^{[1
]}

Sengupta, P ^{[1
]}

Dutta, DK ^{[1
]}

机构：

[1] Reg Res Lab, Div Mat Sci, Jorhat 785006, Assam, India

来源：

TRANSITION METAL CHEMISTRY | 2000年 / 25卷 / 04期

关键词：

D O I：

10.1023/A:1007014008562

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Rhodium(I) carbonyl complexes [Rh(CO)(2)ClL] where L = Ph3PO, Ph3PS and Ph3PSe, were synthesized and characterized by elemental analysis, i.r. and by H-1-, C-13- and P-31-n.m.r. spectroscopy. The nu(CO) band frequencies in the complexes follow the order: Ph3PO > Ph3PS > Ph3PSe, in keeping with the hard/soft nature of the interactions. The complexes undergo oxidative additions with electrophiles such as MeI, PhCH2Cl and I-2 to give, e.g. [Rh(CO)(COMe)ClIL] which react with PPh3 to give trans-[Rh(CO)Cl(PPh3)(2)]. The catalytic activity of the [Rh(CO)(2)ClL] complexes in carbonylation of MeOH is higher than that of the well-known [Rh(CO)(2)I-2](-) species.

引用

页码：426 / 429

页数：4

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