Abstract

Synthesis and catalytic activity of palladium complexes of 8‐(pyridin‐2‐ylmethoxy)quinolinone (3) were investigated. Complexation of 3 with [Pd(CH3CN)2Cl2] gave the dimeric palladium complex [{N,N‐(3)PdCl}2] (4). The structure of 4 was characterized by 1H/13C NMR spectroscopy and mass spectrometry, and further confirmed by X‐ray crystallography. Complex 4 acts as a catalyst for oxidative cleavage of C=C bonds, and it catalyzes the hydration of styrenes in an anti‐Markovnikov Wacker manner to give terminal aldehydes as the initial product, which then undergo C–C cleavage to yield the corresponding benzaldehydes. Systematic studies of this catalysis were performed.

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