Regioselective Synthesis of 2-Substituted [1,2,4]Triazolo[5,1-<i>b</i>][1,3]thiazin-7-ones by Heteropolyacids

Motamedi, Radineh; Heravi, Majid M.; Nazari, Zahra; Bamoharram, Fatemeh F.

doi:10.1080/10426500903213548

Cited by 6 publications

References 15 publications

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Sulfur–Carbon Bond Formation through Ring‐Opening of Triazolothiadiazole with Organometallics

et al. 2014

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An efficient and convenient method was developed for the formation of S‐substituted thiotriazoles through an unprecedented organometallic addition and subsequent ring‐opening sequence of 3‐substituted [1,2,4]triazolo[3,4‐b][1,3,4]thiadiazole. The method is applicable to a wide range of substrates containing different functional groups and furnishes excellent yields of the corresponding N‐unsubstituted 3‐ or 5‐alkyl, aryl, alkynyl and alkenyl sulfanyl‐1,2,4‐triazole products.

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Sulfur–Carbon Bond Formation through Ring‐Opening of Triazolothiadiazole with Organometallics

et al. 2014

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Fused bicyclic 1,2,4‐triazoles with one extra sulfur atom: Synthesis, properties, and biological activity

Slivka

Korol

Fizer

2020

Journal of Heterocyclic Chem

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Fused heterocyclic systems with 1,2,4‐triazole scaffold arouse great interest from researchers in the branch of heterocyclic and medical chemistry because of their wide biological activities as they are considered as fungicidal, antimicrobial, analgesic, bronchodilators, antioxidant, anti‐inflammatory agents, and they are G‐quadruple stabilizers; the molecular docking data for coumarin‐containing 1,2,4‐triazoles indicate their ability to act as a urease inhibitor. Therefore, the present review aims to investigate new trends in the chemistry of heterocycles incorporating thiazolo[3,2‐b][1,2,4]triazoles, thiazolo[2,3‐c][1,2,4]triazoles, thiazino[5,1‐b][1,2,4]triazoles, thiazino[3,4‐b][1,2,4]triazoles, triazolothiazepines, and their biological characteristics. The main sections discuss: (a) the synthetic routes to the production of substituted fused heterocyclic systems, which include condensation reactions, multiple bond annulation, and the reactions of electrophilic heterocyclization. (b) Description of chemical and biological characteristics of these fused heterocycles.

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Halo-heterocyclization of butenyl(prenyl)thioethers of 4,5-diphenyl-1,2,4-triazol-3-thiole into triazolo[5,1-b] [1,3]thiazinium systems: experimental and theoretical evolution

et al. 2020

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Regioselective Synthesis of 2-Substituted [1,2,4]Triazolo[5,1-b][1,3]thiazin-7-ones by Heteropolyacids

Abstract: 2-Substituted [1,2,4]triazolo[5,1-b][1,3]thiazin-7-ones 3 were synthesized via regioselective cyclization of 4H-[1,2,4]triazol-3-ylsulfanyl-acrylic acids 2 in the presence of catalytic amounts of heteropolyacids at room temperature in very good yields and rates.

Cited by 6 publications

References 15 publications

Sulfur–Carbon Bond Formation through Ring‐Opening of Triazolothiadiazole with Organometallics

Sulfur–Carbon Bond Formation through Ring‐Opening of Triazolothiadiazole with Organometallics

Fused bicyclic 1,2,4‐triazoles with one extra sulfur atom: Synthesis, properties, and biological activity

Halo-heterocyclization of butenyl(prenyl)thioethers of 4,5-diphenyl-1,2,4-triazol-3-thiole into triazolo[5,1-b] [1,3]thiazinium systems: experimental and theoretical evolution

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