1: With acetic anhydride; triethylamine in dichloromethane T=0 - 20°C; 2: With nitric acid in dichloromethane T=0 - 20°C; 3: With sodium hydride in tetrahydrofuran; methanol; mineral oil T=20°C;
参考文献
LG Life Sciences Ltd.
Patent: US2010/267708 A1, 2010 ;
Location in patent: Page/Page column 21 ;