Some dehydropeptide analogues were directly synthesized by the reaction of unsaturated oxazolones with free amino acids....

在无水乙酸钠存在下，6-氯-3-甲酰基色酮与马尿酸反应，生成缩合产物2-苯基-4-（6-氯色酮-3-亚甲基）吖内酯，该化合物的结构经IR，^1H NMR，^13C......