[6-(6-Morpholin-4-yl-4-oxo-4h-pyran-2-yl)-thianthren-2-yloxy]-acetic acid methyl ester 、
sodium hydroxide 以
甲醇 为溶剂,
反应 1.0h,
以to give the title compound (22.4 mg, 100%)的产率得到[6-(6-morpholin-4-yl-4-oxo-4H-pyran-2-yl)-thianthren-2-yloxy]-acetic acid sodium salt