Abstract
The authors have reported a new asymmetric aldol reaction of alkenyl trichloroacetates with α-keto esters by using dibutyltin dimethoxide and Ag(I)-BINAP complex in the presence of methanol. The aldol products were obtained in good to excellent yields and up to 93% ee. This methodology was further extended to the reaction of diketene with methyl benzoylformate.
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