1: With zinc(II) chloride in acetic acid 1 h; Reflux; 2: With potassium carbonate in water 2 h; Reflux;

K-oxalate in water

in chloroform-d1 1 equiv. of the free ligand was added to a CDCl3 soln. of Pd-complex at 20°C, reaction was monitored by (1)H NMR spectroscopy; equil. const. is given; (1)H NMR spectral data;

in chloroform-d1 1 equiv. of the free ligand was added to a CDCl3 soln. of Pd-complex at 20°C, reaction was monitored by (1)H NMR spectroscopy; equil. const. is given; (1)H NMR spectral data;