1: With hydroxylamine-o-sulphonic acid in tetrahydrofuran T=60°C; Inert atmosphere; 2: With hydrogenchloride in methanol; diethyl ether; water T=20°C; 0.5 h; Inert atmosphere; 3: With sodium hydroxide in methanol; diethyl ether; water T=0°C; Inert atmosphere;
参考文献
Letters in Organic Chemistry, , vol. 9, # 6 p. 383 - 385
