Journal of Organic Chemistry p. 1105 - 1109 (1989)
Update date:2022-08-05
Topics: Catalyzed Stereoselective Isomerization Ynones Conjugated dienones Transition-metal complexes
Ma, Dawei
Yu, Yihua
Lu, Xiyan
α,β-Ynones isomerize in the presence of a catalytic amount of IrH5(i-Pr3P)2, RuH2(Ph3P)4-Bu3P, or RuCl2(Ph3P)3-Ph3P in benzene at 35-80 deg C to give (E,E)-α,β:γ,δ-dienones in high yield with high stereoselectivity.This experimentally simple and economica
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