1: With sulfuric acid in methanol; dichloromethane; toluene 40 h; Heating / reflux; 2: With sodium hydroxide in water T=20°C; pH=6;
参考文献
Basha, Anwer; Bunnelle, William H.; Dart, Michael J.; Gallagher, Megan E.; Ji, Jianguo; Li, Tao; Pace, Jennifer M.; Ryther, Keith B.; Tietje, Karin R.
Patent: US2005/65178 A1, 2005 ;
Location in patent: Page/Page column 17 ;