Polymer Supported Triphenylphosphine-Palladium Acetate Complex PS-TPP-Pd(OAc)2 as a Heterogeneous and Reusable Catalyst for Indirect Reductive Amination of Aldehydes

Author： Ekbote Sunil S.   Gadge Sandip T.   Bhanage Bhalchandra M.  

Publisher： MDPI

E-ISSN： 2073-4344|4|3|289-298

ISSN： 2073-4344

Source： Catalysts, Vol.4, Iss.3, 2014-07, pp. : 289-298

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Abstract

Indirect reductive amination of aldehydes, catalyzed by polymer supported triphenylphosphine-palladium acetate complex PS-TPP-Pd(OAc)2 catalyst have been developed. The imine is prepared with molecular sieves in the first stage, followed by reduction with potassium formate catalyzed by PS-TPP-Pd(OAc)2. The recovered catalyst could be reused for four consecutive cycles without loss in activity and provided an excellent yield of the desired products.

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