Synthesis of polymer-supported rhodium(I)-1,3-bis(diphenylphosphino)propane moieties and their use in the heterogeneous hydrogenation of quinoline and benzylideneacetone

被引:25
作者
Bianchini, C [1 ]
Frediani, M [1 ]
Mantovani, G [1 ]
Vizza, F [1 ]
机构
[1] CNR, Ist Studio Stereochim & Energet Composti Coor, I-50132 Florence, Italy
关键词
D O I
10.1021/om0010868
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A p-styrenyl substituent attached to the ligand framework allows the diphosphine moiety -(C6H4)CH2-OCH2C(CH3)(CH2PPh2)(2) to be introduced as a pendant group in cross-linked styrene/divinylbenzene matrixes via free-radical copolymerization. In conjunction with rhodium(I), the POLYDIPHOS material forms an effective heterogeneous catalyst for the hydrogenation of benzylideneacetone to benzylacetone and of quinoline to a mixture-of 1,2,3,4-tetrahydraquinoline, 5,6,7,8-tetrahydroquinoline, and decahydroquinoline. The homogeneous behavior of related 1,3-bis(diphenylphosphino)-propane rhodium complexes is different in both activity and selectivity.
引用
收藏
页码:2660 / 2662
页数:3
相关论文
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