1.1: acetic acid / 3.5 h / 20 °C / Cooling with ice 2.1: hydrogenchloride; water / 6 h / 100 °C 3.1: potassium hydroxide; water / 24 h / Inert atmosphere; Reflux 3.2: Cooling with ice 4.1: sodium carbonate / water / 45 °C / Inert atmosphere 4.2: 45 - 80 °C 4.3: pH 2 - 3 View Scheme
参考文献
Institute of Pharmacology and Toxicology Academy of Military Medical Science, P.L.A
Patent: US2011/319423 A1, 2011 ;
