摘要
The addition reaction of Grignard reagents to a-cinnamoyl ketene(l,3propylene) dithoacetals was performed . The experiments show that the addition proceeds completely in a conjugated l,4-manner. Possible mechanism for the reaction selectivity is discussed.
The addition reaction of Grignard reagents to a-cinnamoyl ketene(l,3propylene) dithoacetals was performed . The experiments show that the addition proceeds completely in a conjugated l,4-manner. Possible mechanism for the reaction selectivity is discussed.
