Allylic substitution in water catalyzed by amphiphilic resin-supported palladium-phosphine complexes
作者:Hiroshi Danjo、Daiki Tanaka、Tamio Hayashi、Yasuhiro Uozumi
DOI:10.1016/s0040-4020(99)00883-2
日期:1999.12
New amphiphilic resin-supported triarylphosphines PEP (1) were designed and prepared on polyethylene glycol-polystyrene graft copolymer (PEG-PS). Palladium complexes of 1, Pd(PEP)2 (4) and Pd(PEP) (5), catalyzed allylic alkylation of 3-acetoxy-1,3-diphenyl-1-propene (6) and cinnamyl acetate (7) with various nucleophiles including 1,3-dicarbonyl compounds, amino acids, sodium azide, and sodium sulfinate
在聚乙二醇-聚苯乙烯接枝共聚物(PEG-PS)上设计并制备了新型的两亲树脂负载的三芳基膦PEP(1)。1,Pd(PEP)2(4)和Pd(PEP)(5)的钯配合物,3-乙酰氧基-1,3-二苯基-1-丙烯(6)和乙酸肉桂酯(7)的烯丙基烷基化反应亲核试剂,包括1,3-二羰基化合物,氨基酸,叠氮化钠和亚磺酸钠,可定量获得相应的烯丙基取代产物在水中的产率。