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