N-[2-(4,6-dimethyl-pyrazolo[3,4-b]pyridin-3-yl-imino)-naphthalen-1-oxo-4-yl]-4,6-dimethyl-pyrazolo-[3,4-b]pyridin-3-amine 在
溶剂黄146 、
N,N-二甲基甲酰胺 作用下,
反应 12.0h,
以79%的产率得到2,4-dimethyl-10-(4,6-dimethyl-pyrazolo[3,4-b]pyridin-3-ylimino)-10H-naphthol[1",2";4',5']imidazo[1',2';2,3]-pyrazolo[5,4-b]pyridine