1: monobromoacetic acid; (cyclopent-1-yl)amine in diethyl ether T=0°C; 2: di-tert-butyl dicarbonate With triethylamine in 1,4-dioxane; water T=20°C; 5 h;
参考文献
AIC
Patent: WO2004/76433 A1, 2004 ;
Location in patent: Page 76; Figure 3 ;
WO 2004/076433 A1