Heterodimerization of olefins. 1. Hydrovinylation reactions of olefins that are amenable to asymmetric catalysis

TV RajanBabu, N Nomura, J Jin, M Nandi…

Index: RajanBabu; Nomura, Nobuyoshi; Jin, Jian; Nandi, Malay; Park, Haengsoon; Sun, Xiufeng Journal of Organic Chemistry, 2003 , vol. 68, # 22 p. 8431 - 8446

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Citation Number: 75

Abstract

Through a systematic examination of ligand and counterion effects, new protocols for a nearly quantitative and highly selective codimerization of ethylene and various functionalized vinylarenes have been discovered. In a typical reaction, 4-bromostyrene and ethylene undergo codimerization in the presence of 0.0035 equiv each of [(allyl) NiBr] 2, triphenylphosphine, and AgOTf in CH2Cl2 at-56° C to give 3-(4-bromophenyl)-1-butene in ...

~99%

~45%

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Detail

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