trichlorophosphate in acetonitrile T=100°C; 4 h; Inert atmosphere;

trichlorophosphate in acetone; toluene

1: 71 percent / 2 h / 190 - 210 °C 2: phosphoryl chloride / toluene / 3 h / Heating View Scheme

1: silver oxide; ethanol 2: phosphorus (V)-oxide; toluene View Scheme

in toluene Heating;

1: 1-(3',4',5'-trimethoxybenzyl)-3,4-dihydro-6,7-dimethoxyisoquinoline With sodium tetrahydroborate in 1,4-dioxane; ethanol T=100°C; 3.5 h; 2: formaldehyd With sodium phosphonate pentahydrate in 1,4-dioxane; ethanol; water T=80°C; 1.25 h;