1: With triethylamine in tetrahydrofuran 1 h; 2: With lithium aluminium tetrahydride in tetrahydrofuran 3 h; Heating / reflux; 3: With sodium hydroxide; water more than 3 stages;
参考文献
ELI LILLY AND COMPANY
Patent: WO2005/821 A1, 2005 ;
Location in patent: Page 31 ;
WO 2005/000821 A1