Synthetic strategies and anticancer evaluation for the novel 3-(6-heteroaryltriazolo[3,4-b][1,3,4]thiadiazol-3-yl)chromeno [2,3-b]pyridines

IF 1.8 3区 化学 Q3 CHEMISTRY, ORGANIC Synthetic Communications Pub Date : 2024-03-16 DOI:10.1080/00397911.2024.2330617
Najla A. Alshaye , Magdy A. Ibrahim
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Abstract

The novel chromonyltriazolo[3,4-b][1,3,4]thiadiazole derivative 5 was efficiently synthesized and utilized as key intermediate for construction of a diversity of heterocyclic rings; through reactions with binucleophilic reagents. Treating electron deficient substrate 5 with hydrazine hydrate, phenylhydrazine and hydroxylamine furnished pyrazolyl/isoxazolyltriazolo[3,4-b][1,3,4]thiadiazoles 6-8. Also, reacting substrate 5 with guanidine, cyanoguanidine and thiourea provided pyrimidinyltriazolo[3,4-b][1,3,4]thiadiazoles 9-11. Reaction of substrate 5 with ethylenediamine and o-phenylenediamine afforded diazepine derivatives 12 and 13. Reaction of substrate 5 with malononitrile, ethyl cyanoacetate and cyanoacetamide afforded pyrans 14, 15 and pyridine 16 linked triazolo[3,4-b][1,3,4]thiadiazolyl chromeno[2,3-b]pyridines. The anticancer efficiency of the current compounds presented diverse inhibitory action against certain cancer cell lines. On the basis of analytical and spectral findings, the structures of the synthesized products were confirmed.

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来源期刊
Synthetic Communications
Synthetic Communications 化学-有机化学
CiteScore
4.40
自引率
4.80%
发文量
156
审稿时长
4.3 months
期刊介绍: Synthetic Communications presents communications describing new methods, reagents, and other synthetic work pertaining to organic chemistry with sufficient experimental detail to permit reported reactions to be repeated by a chemist reasonably skilled in the art. In addition, the Journal features short, focused review articles discussing topics within its remit of synthetic organic chemistry.
期刊最新文献
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