5,6-二氢-6-甲基-4-氧代-4H-噻吩并[2,3-b]硫代吡喃-2-磺酸合成路线 (共 1 条)
反应条件
sulfuric acid; propionic acid anhydride in toluene T=-5 - 30°C; 3 h; Product distribution / selectivity;
参考文献
SANDOZ AG
Patent: EP1918293 A1, 2008 ;
Location in patent: Page/Page column 4-5; 6 ;