甲基1,3,4-恶二嗪烷-4-羧酸酯 、
N-(2-chloro-4-fluoro-5-isocyanatobenzoyl)-N'-methyl-(1-methylethyl)sulfamide 以
1,2-二氯乙烷 为溶剂,
反应 18.08h,
以82.3%的产率得到tetrahydro-N-(4-chloro-2-fluoro-5-(N-isopropyl-N-methyl-sulfonylaminocarbonyl)phenyl)-4H-1,3,4-oxadiazine-3-carboxamide-4-carboxylic acid methyl ester