Semireduction of Alkynes Using Formic Acid with Reusable Pd-Catalysts.
Authors of this article are:
Iwasaki R, Tanaka E, Ichihashi T, Idemoto Y, Endo K.
A summary of the article is shown below:
The treatment of PdCl2 with K2CO3 and HCO2H in dioxane gives black precipitates, which are an effective catalyst for the semireduction of alkynes to alkenes using formic acid as a reductant. Even 0.05 mol % Pd promoted the reduction reaction of tolane in high yield with high selectivity.
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