反应条件
1.1: trichlorophosphate / 2 - 3 h / 0 - 50 °C 1.2: 25 - 30 °C / pH 12 - 13 2.1: potassium hydroxide; water / methanol / 4 - 6 h / 60 - 70 °C 3.1: dicyclohexyl-carbodiimide; benzotriazol-1-ol / tetrahydrofuran / 0.5 h 3.2: 16 h / 25 - 30 °C 4.1: pyrrolidine / methanol / 5 - 7 h / Reflux View Scheme