PALLADIUM CATALYST SYSTEM COMPRISING ZWITTERION AND/OR ACID-FUNCTIONALYZED IONIC LIQUID
申请人:Riisager Anders
公开号:US20110065950A1
公开(公告)日:2011-03-17
The present invention concerns a catalyst system in particular a catalyst system comprising Palladium (Pd), a zwitterion and/or an acid-functionalized ionic liquid, and one or more phosphine ligands, wherein the Pd catalyst can be provided by a complex precursor, such as Pd(CH
3
COO)
2
, PdCl
2
, Pd(CH
3
COCHCOCH
3
), Pd(CF
3
COO)
2
, Pd(PPh
3
)
4
or Pd
2
(dibenzylideneacetone)
3
. Such catalyst systems can be used for e.g. alkoxycarbonylation reactions, carboxylation reactions, and/or in a co-polymerization reaction, e.g. in the production of methyl propionate and/or propanoic acid, optionally in processes forming methyl methacrylate and/or methacrylic acid. Catalyst systems according to the invention are suitable for reactions forming separable product and catalyst phases and supported ionic liquid phase SILP applications.
本发明涉及一种催化剂体系,特别是包括钯(Pd)、一个伪离子和/或酸功能化离子液体,以及一个或多个膦配体的催化剂体系,其中Pd催化剂可以由复合前体提供,例如Pd(CH3COO)2、PdCl2、Pd(CH3COCHCOCH3)、Pd(CF3COO)2、Pd(PPh3)4或Pd2(dibenzylideneacetone)3。这种催化剂体系可用于例如烷氧羰基化反应、羧化反应和/或在共聚反应中,例如在生产甲基丙酸丙酯和/或丙酸中,可选地在形成甲基丙烯酸甲酯和/或甲基丙烯酸的过程中。根据本发明的催化剂体系适用于形成可分离产品和催化剂相以及支持的离子液体相SILP应用的反应。