The aminolysis of 4-[(4-oxo-4H-1-benzopyran-3-yl)methylene]-2-phenyl-1,3-oxazol-5(4H)-one with diethylamine gave N-[1-(diethylamino)-1-oxo-3-(4-oxo-4H-1-benzopyran-3-yl)prop-2-en-2-yl] benzamide. The hydrolysis of 2-methyl-4-[(4-oxo-4H-1-benzopyran-3-yl)methylene]-1,3-oxazol-5(4H)-one gave the α-keto-acid, which could be converted into amino-acid derivatives. Condensation of 2-methylchromone with diethyl
4-[(4-氧代-4 H -1-苯并
吡喃-3-基)亚甲基] -2-苯基-1,3-
恶唑-5(4 H)-与
二乙胺的
氨解反应得到N- [1- (二乙
氨基)-1-氧代-3-(4-氧代-4 H -1-苯并
吡喃-3-基)丙-2-烯-2-基]苯甲酰胺。2-甲基-4-[(4-氧代-4 H -1-苯并
吡喃-3-基)亚甲基] -1,3-
恶唑-5(4 H)-的
水解得到α-
酮酸,可以转化为
氨基酸衍
生物。2-甲基
色酮与
草酸二乙酯,2-甲酰基-NN-二
乙基苯甲酰胺和2-甲酰基
苯甲酸的缩合得到α-
酮酸,(E)-NN-
二乙基-2- [2-(4-氧代-4 H -1-苯并
吡喃-2-基)
乙烯基]苯甲酰胺和(E)-2-[((4-氧代-4 H -1-苯并
吡喃-2-基)
乙烯基]
苯甲酸。