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One-pot enol silane formation-Mukaiyama Aldol-type addition to dimethyl acetals mediated by TMSOTf

CW Downey, MW Johnson…

文献索引:Downey, C. Wade; Johnson, Miles W.; Tracy, Kathryn J. Journal of Organic Chemistry, 2008 , vol. 73, # 8 p. 3299 - 3302

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被引用次数: 26

摘要

Various ketones, esters, amides, and thioesters add in high yield to dimethyl acetals in the presence of silyl trifluoromethanesulfonates and an amine base. Acetals derived from aryl, unsaturated, and aliphatic aldehydes are all effective substrates. The reaction proceeds in a single reaction flask, with no purification of the intermediate enol silane necessary.