Abstract A microwave procedure was efficiently applied to the synthesis of a series of heteropolycyclic compounds with known or potential biological activities. Antitumor amide 3was obtained in a few minutes and with high yields through a solventless, one-pot cyclization, followed by treatment with the suitable amine. This method was also used to access tetracyclic aza-compounds 5/6, where their selective
摘要 微波方法有效地应用于合成一系列具有已知或潜在
生物活性的杂
多环化合物。通过无溶剂的一锅环化,然后用合适的胺处理,在几分钟内以高收率获得了抗肿瘤酰胺 3。该方法还用于获得四环氮杂化合物 5/6,其中在无溶剂条件下或通过改变溶剂,在固体存在下研究它们作为 N,N-syn 和 N,N-反区域异构体的选择性形成载体和催化量的环保
金属盐。在这种情况下,通过微波辐射改进了使用预制
吡啶鎓或
异喹啉鎓叶立德在常规加热下对类似
多环化合物的热访问,并扩展到二氮杂酯的合成。在任何情况下,一锅三组分环化比 N-ylide 序列的原子效率更高。