1: 10.3 g / PCl5 / 1.5 h / 130 °C 2: 11.19 g / xylene / 5 h / Heating View Scheme

1: 8.5 g / NH2OH*HCl, sodium acetate / aq. ethanol / 0.5 h / Heating 2: 1.8 g / PPA / 1 h / 95 - 100 °C 3: 10.3 g / PCl5 / 1.5 h / 130 °C 4: 11.19 g / xylene / 5 h / Heating View Scheme

1: 1.8 g / PPA / 1 h / 95 - 100 °C 2: 10.3 g / PCl5 / 1.5 h / 130 °C 3: 11.19 g / xylene / 5 h / Heating View Scheme

in xylene 5 h; Heating;