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Semireduction of Alkynes Using Formic Acid with Reusable Pd-Catalysts

Riku Iwasaki, Eikichi Tanaka, Toshinari Ichihashi, Yasushi Idemoto, Kohei Endo*

*Department of Chemistry, Faculty of Science, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan, Email: kendors.tus.ac.jp

R. Iwasaki, E. Tanaka, T. Ichihashi, Y. Idemoto, K. Endo, J. Org. Chem., 2018, 83, 13574-13579.

DOI: 10.1021/acs.joc.8b02169 (free Supporting Information)


Abstract

The reaction of PdCl2 with K2CO3 and HCO2H in dioxane provides a black precipitate, which is an effective catalyst for the semireduction of alkynes to alkenes in the presence of formic acid as the reductant.

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Key Words

semireduction of alkynes, formic acid


ID: J42-Y2018