methyl 2-(7-(diethylcarbamoyl)-1,1-dioxo-2-(2,4,5-trifluorobenzyl)-2H-benzo[e][1,2,4]thiadiazin-4(3H)-yl)acetate 在
水 、 sodium hydroxide 作用下,
以
1,4-二氧六环 为溶剂,
反应 2.0h,
以80%的产率得到2-[7-(diethylcarbamoyl)-1,1-dioxo-2-[(2,4,5-trifluorophenyl)methyl]-3H-1lambda6,2,4-benzothiadiazin-4-yl]acetic acid