chalcone (E)-3-(furan-2-yl)-1-(thiophen-2-yl)prop-2-en-1-one   、                                                                                      
2-氰基硫代乙酰胺                                                                                                                                                                                                                                                                                                          以afforded the desired 6-(Furan-2-yl)-4-(thiophen-2-yl)-2-thioxo-1,2-dihydropyridine-3-carbonitrile with a 22% yield (863 mg, 3.0 mmol) as an orange solid的产率得到6-(furan-2-yl)-4-(thiophen-2-yl)-2-thioxo-1,2-dihydropyridine-3-carbonitrile