1: With boron tribromide in dichloromethane T=0 - 20°C; 18 h; 2: With ammonia in dichloromethane; water T=20°C; 1.5 h; 3: With hydrogenchloride in dichloromethane; water pH=1;
参考文献
PFIZER LIMITED
Patent: WO2007/34325 A1, 2007 ;
Location in patent: Page/Page column 53 ;
WO 2007/034325 A1