Manganese-Catalyzed α-Alkylation of Ketones, Esters, and Amides Using Alcohols. 2018

Subrata Chakraborty, and Prosenjit Daw, and Yehoshoa Ben David, and David Milstein
Department of Organic Chemistry, Weizmann Institute of Science, Rehovot, 76100, Israel.

Herein we report the manganese-catalyzed C-C bond-forming reactions via α-alkylation of ketones, amides, and esters, using primary alcohols. β-Alkylation of secondary alcohols by primary alcohols to obtain α-alkylated ketones is also reported. The reactions are catalyzed by a ( Pr-PNP)Mn(H)(CO)2 pincer complex under mild conditions in the presence of (catalytic) base liberating water (and H2 in the case of secondary alcohol alkylation) as the sole byproduct.

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