Enantioselectivity for hydrophosphonylation of aromatic aldehydes catalyzed by lanthanum binaphthol complex. Remarkable electronic effect of aromatic substituents

作者: Tsutomu Yokomatsu , Takehiro Yamagishi , Shiroshi Shibuya

DOI: 10.1016/S0957-4166(00)80416-4

关键词: LanthanumBenzaldehydeElectronic effectChemistryYield (chemistry)Organic chemistryCatalysisEnantioselective synthesisAldehyde

摘要: Abstract Hydrophosphonylation of aromatic aldehydes with diethyl phosphite in the presence catalytic amount La-BINOL complex ( 2 ) proceeded enantioselectively to give corresponding α-hydroxyphosphonates good yield. Enantioselectivity was found depend on electronic nature para -substituents.

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