5-(5,6-dimethoxypyrazin-2-yl)-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridin-2-amine 、
N,N-二异丙基乙胺 、
乙酸酐 在
silica gel 、
乙酸乙酯 、 Hexanes 、
N-(4,5,6,7-tetrahydro-5-(5,6-dimethoxypyrazin-2-yl)thiazolo[5,4-c]pyridin-2-yl)acetamide 作用下,
以
二氯甲烷 为溶剂,
反应 2.5h,
以to give N-(4,5,6,7-tetrahydro-5-(5,6-dimethoxypyrazin-2-yl)thiazolo[5,4-c]pyridin-2-yl)acetamide (Compound 14, 36.8 mg) as an off white solid, which的产率得到N-(4,5,6,7-tetrahydro-5-(5,6-dimethoxypyrazin-2-yl)thiazolo[5,4-c]pyridin-2-yl)acetamide