1: With triethylamine in dichloromethane T=20°C; 18 h; 2: With sodium hydrogencarbonate in dichloromethane; water 3: With hydrogenchloride; water in dichloromethane pH=2;
参考文献
ELI LILLY AND COMPANY
Patent: WO2007/5503 A1, 2007 ;
Location in patent: Page/Page column 34 ;
WO 2007/005503 A1