1: With sodium hydride in dimethyl sulfoxide; mineral oil
T=20°C; 2 h; Cooling with ice;
2: With hydrogenchloride in water; dimethyl sulfoxide; mineral oil
pH=3 - 4;
参考文献
Shanghai Institute of Materia Medica, Chinese Academy of Sciences; Topharman Shangai Co., Ltd.
Patent: US2011/263860 A1, 2011 ;
Location in patent: Page/Page column 9-10 ;
