1: 95 percent / tetrahydrofuran / 1.) -20 deg C, 2.) reflux, 12 h 2: 60 percent / 40percent methanol. Triton-B, t-butanol / xylene / 6 h / Heating 3: 60 percent / p-toluenesulfonic acid / benzene / 10 h / Ambient temperature 4: 95 percent / NaBH4 / methanol; tetrahydrofuran / 2 h / Ambient temperature 5: 60 percent / H2 / 10percent Pd/C View Scheme

1: 80 percent / sodium / 2 h / Heating 2: 75 percent / polyphosphoric acid / 1.) 1 h 2.) 4h, heating View Scheme

phosphoric acid; phosphorus pentoxide T=100°C; 2 h;

PPA 1.) 1 h 2.) 4h, heating;

暂无反应条件数据

trichlorophosphate 1) 0 grad C to r.t., 1 h, 3) 5 h, 50-60 grad C;

1: 92 percent / N-bromosuccinimide; benzoyl peroxide / CCl4 / 4 h / Heating 2: 92 percent / dioxane / 4 h / 75 - 80 °C View Scheme

N-bromosuccinmide; dibenzoyl peroxide in tetrachloromethane 4 h; Heating;