(4-amino-3-sulfamoyl-phenyl)carbamic acid tert-butyl ester 、
(S)-2-(bis(methylthio)methylene)-4-isopentyl-4-methylnaphthalene-1,3(2H,4H)-dione 以
甲苯 为溶剂,
以84%的产率得到{3-[(S)-1-hydroxy-4-methyl-4-(3-methyl-butyl)-3-oxo-3,4-dihydro-naphthalen-2-yl]-1,1-dioxo-1,4-dihydro-1λ6-benzo[1,2,4]thiadiazin-7-yl}-carbamic acid tert-butyl ester