3-(4-aminomethyl-phenylamino)-4-(3-chloro-phenylamino)-1H-pyrazolo[3,4-d]pyrimidine hydrate 、
异氰酸正丁酯 以
四氢呋喃 为溶剂,
反应 15.0h,
以yielding 3-[4-(n-butylamino-carbonylamino-methyl)-phenylamino]-4-(3-chloro-phenyl-amino)-1H-pyrazolo[3,4-d]pyrimidine的产率得到3-[4-(n-butylamino-carbonylamino-methyl)-phenylamino]-4-(3-chloro-phenyl-amino)-1H-pyrazolo[3,4-d]pyrimidine