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Efficient Homogeneous Catalytic Hydrogenation of Esters to Alcohols

Authors


  • This research was supported by the German Federal Ministry of Education and Research (BMBF) within the framework of the German–Israeli cooperation (DIP). J.Z. is the recipient of the Aron Zandman Postdoctoral Fellowship. D.M. holds the Israel Matz Professorial Chair of Organic Chemistry.

Abstract

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With open arms: A ruthenium PNN complex (see scheme) catalyzes the hydrogenation of esters in high yields under neutral conditions. The analogous PNP complex is less active. A mechanism is proposed based on the hemilabile nature of the PNN ligand which allows a vacant site to be created by decoordination of the [BOND]CH2NEt2 arm.

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