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

S Yu, X Zhang, Y Yan, C Cai, L Dai…

Index: Yu, Shichao; Zhang, Xiaowei; Yan, Yongjun; Cai, Chaoxian; Dai, Liyan; Zhang, Xumu Chemistry - A European Journal, 2010 , vol. 16, # 16 p. 4938 - 4943

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Abstract

Abstract 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 C) shown by these tetraphosphane ligands is remarkable considering the low regioselectivity commonly observed under similar reaction conditions when other ...