Palladium(0) allylic alkylation in a two-phase system or with a supported aqueous phase catalyst

被引：18

作者：

Choplin, A

Dos Santos, S

Quignard, F

Sigismondi, S

Sinou, D

机构：

[1] Inst Rech Catalyse, CNRS, F-69626 Villeurbanne, France

[2] Univ Lyon 1, CPE Lyon, CNRS, Lab Synthese Asymetr, F-69622 Villeurbanne, France

来源：

CATALYSIS TODAY | 1998年 / 42卷 / 04期

关键词：

allylic substitution; two-phase catalysis; supported aqueous phase catalysis; palladium; tppts;

D O I：

10.1016/S0920-5861(98)00129-1

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The reaction of allylic carbonates with various acyclic and cyclic carbonucleophiles is catalyzed by the system Pd(OAc)(2) and P(C6H4-m-SO3Na)(3) (or tppts) in a two-phase liquid medium H2O-nitrile, the activity of the catalyst depending mainly on the nature of the nitrile, the temperature of the reaction and the ratio palladium/tppts. The same system Pd(OAc)(2) and P(C6H4-m-SO3Na)(3) supported on silica catalyzes also this reaction. The formation of the active palladium species in the two cases is followed by P-31 NMR spectroscopy and discussed. Published by Elsevier Science B.V.

引用

页码：471 / 478

页数：8

共 31 条

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