Preparation and Structural Characterization of the Palladium(0)-Carbonyl Complexes (R2PC2H4PR2)Pd(CO)2 and {(R2PC2H4
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- 作者：Roman Trebbe ; Richard Goddard ; Anna Rufi
//pubs.acs.org/images/entities/nacute.gif" border="0">ska ; Klaus Seevogel ; and Klaus-Richard Pö ; rschke
- 刊名：Organometallics
- 出版年：1999
- 出版时间：June 21, 1999
- 年：1999
- 卷：18
- 期：13
- 页码：2466 - 2472
- 全文大小：122K
- 年卷期：v.18,no.13(June 21, 1999)
- ISSN：1520-6041
文摘
(dippe)Pd(C2H4) and (dtbpe)Pd(C2H4) react with an excess of CO to afford the noveltetrahedral Pd0-dicarbonyl complexes (dippe)Pd(CO)2 (1) and (dtbpe)Pd(CO)2 (2). PartialCO elimination from 2 yields dinuclear {(dtbpe)Pd}2(
-CO) (3), containing a single bridgingcarbonyl ligand. 3 represents the smallest cluster containing the Pd2(-CO) group and, assuch, is also the simplest model compound for CO adsorption on a Pd(100) surface.Thermolysis of 3 produces a carbonyl-free product which is assumed to be the dinuclearspecies {(dtbpe)Pd}2 (4). The molecular structures of 2 and 3 have been determined, and thesolids are furthermore characterized by CP-MAS NMR spectra.
-CO) (3), containing a single bridgingcarbonyl ligand. 3 represents the smallest cluster containing the Pd2(-CO) group and, assuch, is also the simplest model compound for CO adsorption on a Pd(100) surface.Thermolysis of 3 produces a carbonyl-free product which is assumed to be the dinuclearspecies {(dtbpe)Pd}2 (4). The molecular structures of 2 and 3 have been determined, and thesolids are furthermore characterized by CP-MAS NMR spectra.