Abstract

A cesium hydroxide-mediated hydroamidation of internal aryl alkynes with primary amides has been developed. The reaction proceeds with high anti-selectivity to deliver the corresponding stereodefined (Z)-enamides in good yields. The alkali base-promoted system is also compatible with unsymmetrical aryl alkyl alkynes, and the hydroamidated products are obtained with high regioselectivity as well as stereoselectivity.

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