pyridine-2-ethoxy-5-(4-ethylpiperazin-1-ylsulphonyl)-3-carboxylic acid chloride hydrochloride 、 3-amino-5-ethyl-4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxamide 以
吡啶 为溶剂,
反应 72.0h,
生成
3-[({2-ethoxy-5-[(4-ethyl-1-piperazinyl)sulfonyl]-3-pyridinyl}carbonyl)amino]-5-ethyl-4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxamide