2-isothiocyanato-3,5-dimethylpyrazine 、 methyl 3-amino-4-chloro-2-[(3-hydroxypropyl)amino]benzoate 在
silica gel 、
ethyl acetate n-hexane 作用下,
以
四氢呋喃 为溶剂,
反应 6.0h,
以to give methyl 4-chloro-3-{[(3,5-dimethylpyrazin-2-yl)carbamothioyl]amino}-2-[(3-hydroxypropyl)amino]benzoate as a yellow solid (430 mg)的产率得到methyl 4-chloro-3-{[(3,5-dimethylpyrazin-2-yl)carbamothioyl]amino}-2-[(3-hydroxypropyl)amino]benzoate