1: With hydrogenchloride; sodium sulfate in 1,4-dioxane; water T=50°C; 2: With hydroxylamine hydrochloride in 1,4-dioxane; water 0.833333 h; Heating / reflux;
参考文献
KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
Patent: EP1650190 A1, 2006 ;
Location in patent: Page/Page column 9 ;