Abstract
In this work, we have developed selective methods for the synthesis of quinoline-2-carboxylates and quinoline-3-carboxylates as well as (indolin-2-ylidene)acetates through copper-, silver-, or phosphine-catalyzed reaction of propiolates with 2'-amino-2,2,2-trifluoroacetophenones. The approaches proposed ensure synthesis of substituted quinoline carboxylates and (indolin-2-ylidene)acetates in good yields. Introduction of alkynones into the reaction with 2'-amino-2,2,2-trifluoroacetophenones gives acyl substituted derivatives in good yields.
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