1: With sodium hydroxide in water T=20 - 50°C; 1.5 h; 2: With sulfuric acid; sodium nitrite in water T=0°C; 1 h; 3: With hydrogenchloride; tin(ll) chloride in water 1.16667 h;
参考文献
MEMORY PHARMACEUTICALS CORPORATION
Patent: WO2005/111038 A2, 2005 ;
Location in patent: Page/Page column 62-63 ;
WO 2005/111038 A2