Synthesis and Application of Tetraphosphane Ligands in Rhodium-Catalyzed Hydroformylation of Terminal Olefins: High Regioselectivity at High Temperature

被引:38
|
作者
Yu, Shichao [1 ]
Zhang, Xiaowei [1 ]
Yan, Yongjun [1 ]
Cai, Chaoxian [1 ]
Dai, Liyan [1 ,2 ]
Zhang, Xumu [1 ]
机构
[1] Rutgers State Univ, Dept Chem & Chem Biol & Pharmaceut Chem, Piscataway, NJ 08854 USA
[2] Zhejiang Univ, Coll Mat Sci & Chem Engn, Hangzhou 310027, Zhejiang, Peoples R China
基金
美国国家卫生研究院;
关键词
biaryls; hydroformylation; phosphane ligands; regioselectivity; rhodium; TRANSITION-METAL CATALYSTS; INTERNAL OLEFINS; ISOMERIZATION-HYDROFORMYLATION; HOMOGENEOUS CATALYSIS; PHOSPHITE LIGANDS; BITE ANGLE; COMPLEXES; COORDINATION; CHEMISTRY; POLYPHOSPHINES;
D O I
10.1002/chem.200903109
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A new class of substituted tetraphosphane ligands has been developed and applied in the rhodium-catalyzed regioselective hydroformylation of terminal olefins. The high regioselectivity (linear selectivity is above 97% for 1-octene and 1-hexene) at high temperature (140 degrees C) shown by these tetraphosphane ligands is remarkable considering the low regioselectivity commonly observed under similar reaction conditions when other bisphosphane analogues are used. The steric and electronic effects of substituents on the diarylphosphane moiety have also been examined.
引用
收藏
页码:4938 / 4943
页数:6
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