methyl 2-[(3,5-dichloropyridin-4-yl)amino]-7,7-dimethyl-7,8-dihydrofuro[2,3-g][1,3]benzothiazole-5-carboxylate 、 、
sodium hydroxide 在
2-[(3,5-dichloropyridin-4-yl)amino]-7,7-dimethyl-7,8-dihydrofuro[2,3-g][1,3]benzothiazole-5-carboxylic acid 作用下,
以
甲醇 为溶剂,
以to afford 0.050 g of the desired product的产率得到2-[(3,5-dichloropyridin-4-yl)amino]-7,7-dimethyl-7,8-dihydrofuro[2,3-g][1,3]benzothiazole-5-carboxylic acid