(4-amino-3-sulfamoyl-phenyl)carbamic acid tert-butyl ester 、
3-[bis(methylthio)methylene]-1-[(cyclopropylmethyl)amino]quinoline-2,4(1H, 3H)-dione 在
甲醇 作用下,
以
1,4-二氧六环 为溶剂,
反应 3.0h,
以to yield the title compound (72.5 mg, 51%)的产率得到tert-butyl 3-{1-[(cyclopropylmethyl)amino]-4-hydroxy-2-oxo-1,2-dihydroquinolin-3-yl}-1,1-dioxido-4H-1,2,4-benzothiadiazin-7-ylcarbamate