1: With sodium hydrogencarbonate in ethanol
6 h; Heating / reflux;
2: With sodium hydroxide in 1,4-dioxane; water
T=20°C;
参考文献
CALIFORNIA PACIFIC MEDICAL CENTER; CATHOLIC HEALTHCARE WEST, d.b.a ST. MARY'S MEDICAL CENTER
Patent: WO2003/101998 A1, 2003 ;
Location in patent: Page 53-55 ;