4-chloro-5-ethyl-6-methylselenopheno[2,3-d]pyrimidine 、
3-amino-5-tert-butylselenophene-2-carboxamide 、 DMF NaOH 以gave title compound as a pale yellow color solid, mp 258-260° C的产率得到3-(5-ethyl-6-methylselenopheno[2,3-d]pyrimidin-4-ylamino)-5-tert-butylselenophene-2-carboxamide