Using Soluble Polymer Supports To Facilitate Homogeneous Catalysis

被引:312
作者
Bergbreiter, David E. [1 ]
Tian, Jianhua [1 ]
Hongfa, Chayanant [1 ]
机构
[1] Texas A&M Univ, Dept Chem, College Stn, TX 77842 USA
基金
美国国家科学基金会;
关键词
PHASE-TRANSFER LIGANDS; HYDROLYTIC KINETIC RESOLUTION; SUPERCRITICAL CARBON-DIOXIDE; CROSS-LINKED POLYSTYRENE; POLY(ETHYLENE GLYCOL)-SUPPORTED TEMPO; HIGHLY ENANTIOSELECTIVE EPOXIDATION; STABILIZED PALLADIUM NANOPARTICLES; FLUOROUS BIPHASE HYDROFORMYLATION; ASYMMETRIC TRANSFER HYDROGENATION; END-FUNCTIONALIZED POLYSTYRENES;
D O I
10.1021/cr8004235
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A review of various research studies conducted since 2002 on the use of soluble polymer supports to facilitate homogeneous catalysis is presented. TEMPO is a commonly used organocatalyst for the selective oxidation of primary alcohols to aldehydes. Use of PEG-supported proline as a catalyst is described in enantioselective conjugate addition reactions. A phosphonium salt is described and is found to deliver catalyzed formation of cyclic carbonates, while intermediate cyclic carbonates could be used without isolation as a phosgene-equivalent. The synthesis of three types of PEG-supported salen ligands could be used to catalyze the addition of diethyl zinc to aldehydes. A study including the use of PEG supports to prepare a tartate ester library is an effort to probe the effect of tartrate structure on stereoselectivity in Sharpless asymmetric epoxidation of allylic alcohols.
引用
收藏
页码:530 / 582
页数:53
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