Abstract

Pd(II)-PPh3 complexes containing salicylaldehyde based thioamide ligands (1–3) have been synthesized and characterized by analytical and spectroscopic (FT-IR, UV–Visible, HR-MS and NMR) techniques. Spectroscopic methods revealed square planar geometry for all the complexes. These complexes were tested as catalysts for Guerbet-type reaction i.e. dialkylation of cyclohexanol with primary alcohols. The reaction conditions were optimized. Complex 1 bearing morpholinyl group emerged as the best catalyst, and it was used for extending the scope of the reaction to several substituted primary alcohols. The dialkylated products were isolated using column chromatography and confirmed using GC–MS and 1H NMR spectroscopy.

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