[4-(6-Morpholin-4-yl-4-oxo-4H-pyran-2-yl)-thianthren-1-yloxy]-acetic acid methyl ester 、
sodium hydroxide 以
甲醇 为溶剂,
反应 24.0h,
以to give the title compound as an off white paste (1.43 g, 98%) that的产率得到[4-(6-morpholin-4-yl-4-oxo-4h-pyran-2-yl)-thianthren-1-yloxy]-acetic acid sodium salt