tris(dibenzylideneacetone)dipalladium (0); 1,8-diazabicyclo[5.4.0]undec-7-ene; 9,9-dimethyl-4,5-bis(diphenyl-phosphino)xanthene in toluene T=175°C; 0.25 h; microwave irradiation;

1: NH3, NaOMe / methanol 2: POCl3, Et3N View Scheme

1: 41 percent / DMAP; i-Pr2NEt / CH2Cl2 / 0 - 20 °C 2: 86 percent / 1,8-diazabicyclo[5.4.0]undec-7-ene; XantPhos; Pd2(dba)3 / toluene / 0.25 h / 175 °C / microwave irradiation View Scheme

triethylamine; trichlorophosphate