Advanced Synthesis & Catalysis

Methoxycarbonylation versus hydroacylation of ethene; dramatic influence of the ligand in cationic palladium catalysis

RI Pugh, E Drent

Index: Pugh, Robert I.; Drent, Eite Advanced Synthesis and Catalysis, 2002 , vol. 344, # 8 p. 837 - 840

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Citation Number: 33

Abstract

Abstract The palladium-catalysed carbonylation of ethene in methanol shows acute sensitivity towards the diphosphine ligand used. Systems based on 1, 3-bis (di-t- butylphosphino) propane afford catalysts for fast, selective methoxycarbonylation to methyl propionate; the corresponding catalyst based on 1, 2-bis (di-t-butylphosphino) ethane hydroacylates ethene to diethyl ketone at high rates. The use of less sterically demanding ...

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