作者:Lystsova, Ekaterina A.、Novokshonova, Anastasia D.、Khramtsov, Pavel V.、Novikov, Alexander S.、Dmitriev, Maksim V.、Maslivets, Andrey N.、Khramtsova, Ekaterina E.
DOI:10.3390/molecules29092089
日期:——
3-diones, we have developed an approach to an unprecedented 6/5/5/5-tetracyclic alkaloid-like spiroheterocyclic system of benzo[d]pyrrolo[3′,4′:2,3]pyrrolo[2,1-b]thiazole via their reaction with Schiff bases and carbodiimides. The experimental results have been supplemented with DFT computational studies. The synthesized alkaloid-like 6/5/5/5-tetracyclic compounds have been tested for their biotechnological
1H-吡咯-2,3-二酮在[e]-侧与杂环稠合,是合成各种角多环生物碱类螺杂环的合适平台。最近发现的含硫[e]-稠合1H-吡咯-2,3-二酮(芳酰基吡咯并苯并噻嗪三酮)往往表现出不寻常的反应性。基于[e]-稠合1H-吡咯-2,3-二酮的这些特殊代表,我们开发了一种前所未有的苯并[d]吡咯并的6/5/5/5-四环生物碱类螺杂环系统的方法。 3',4':2,3]吡咯并[2,1-b]噻唑通过与席夫碱和碳二亚胺反应生成。实验结果得到了 DFT 计算研究的补充。合成的类生物碱 6/5/5/5-四环化合物已作为绿藻普通小球藻生长刺激剂的生物技术潜力进行了测试。