Tetrahedron Letters p. 1119 - 1122 (1993)
Update date:2022-09-26
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A catalytic amount of lithium perchlorate suspended in dichloromethane provides a mild and effective medium for Mukaiyama aldol reactions of aldehydes with silyl ketene acetal (1). 2-Cyclohexenone undergoes clean 1,4-addition under similar conditions. Catalyst activity is much higher in dichloromethane than in diethyl ether.
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