4-{4-[7-amino-6-(4-isobutoxycarbonylamino-phenyl)-pyrazolo[1,5-a]pyrimidin-3-yl]-phenyl}-piperazine-1-carboxylic acid benzyl ester 在
钯 作用下,
以
tetrahydrofuran methanol 为溶剂,
生成 {4-[7-amino-3-(4-piperazin-1-yl-phenyl)-pyrazolo[1,5-a]pyrimidin-6-yl]-phenyl}-carbamic acid isobutyl ester