tris(dibenzylideneacetone)dipalladium (0); 1,3,4,6,7,8-hexahydro-1-methyl-2H-pyrimido{1,2-a}pyrimidine; 9,9-dimethyl-4,5-bis(diphenyl-phosphino)xanthene in toluene T=115°C; 0.75 h; microwave irradiation;

potassium phosphate; 9,9-dimethyl-4,5-bis(diphenyl-phosphino)xanthene; tris-(dibenzylideneacetone)dipalladium(0) in toluene T=105°C; 13 h;