Synthesis of furo[2',3':4,5]pyrrolo[1,2-d][1,2,4]triazine derivatives and their antibacterial activity
作者:Ivana Zemanová、Renata Gašparová、Filip Kraic、Dáša Kružlicová、Tibor Maliar、Andrej Boháč、Gabriela Addová
DOI:10.24820/ark.5550190.p009.788
日期:——
triethyl orthoesters or by acetylation of methyl 4H-furo[3,2-b]pyrrole-5-carboxylate 1 followed by thionation of 4-acetylfuro[3,2-b]pyrrole-5-carboxylate 3 and cyclisation of thione 4 with hydrazine. Triazine 5a afforded the corresponding thione 7 by reaction with P2S5. Upon reaction with alkylor acylhalogenides compounds 5 and 7 gave N(7)-substituted products 6 and 8, respectively. Finally, triazino-triazinone
Furo[2',3':4,5]pyrrolo[1,2-d][1,2,4]triazin-8(7H)-ones 5 是通过碳酰肼 2 与三乙酯原酸酯反应或通过乙酰化合成的4H-呋喃[3,2-b]吡咯-5-羧酸甲酯1的反应,然后是4-乙酰呋喃[3,2-b]吡咯-5-羧酸酯3的硫化和硫酮4与肼的环化。三嗪 5a 通过与 P2S5 反应得到相应的硫酮 7。与烷基或酰基卤化物反应后,化合物 5 和 7 分别得到 N(7)-取代的产物 6 和 8。最后,通过硫酮 8b 与肼的环化合成了三嗪基-三嗪酮衍生物 9。评价化合物5 9 的抗菌活性。