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Synthesis and Luminescent Properties of s-Tetrazine Derivatives Conjugated with the 4H-1,2,4-Triazole Ring.

ABSTRACT: New derivatives obtained by the combination of unique 1,2,4,5-tetrazine and 4H-1,2,4-triazole rings have great application potential in many fields. Therefore, two synthetic few-step methodologies, which make use of commercially available 4-cyanobenzoic acid (method A) and ethyl diazoacetate (method B), were applied to produce two groups of the aforementioned heterocyclic conjugates. In both cases, the target compounds were obtained in various combinations, by introducing electron-donating or electron-withdrawing substituents into the terminal rings, together with aromatic or aliphatic substituents on the triazole nitrogen atom. Synthesis of such designed systems made it possible to analyze the influence of individual elements of the structure on the reaction course, as well as the absorption and emission properties. The structure of all products was confirmed by conventional spectroscopic methods, and their luminescent properties were also determined.

SUBMITTER: Maj A 

PROVIDER: S-EPMC9181980 | biostudies-literature | 2022 Jun

REPOSITORIES: biostudies-literature

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Synthesis and Luminescent Properties of <i>s</i>-Tetrazine Derivatives Conjugated with the 4<i>H</i>-1,2,4-Triazole Ring.

Maj Anna A   Kudelko Agnieszka A   Świątkowski Marcin M  

Molecules (Basel, Switzerland) 20220606 11

New derivatives obtained by the combination of unique 1,2,4,5-tetrazine and 4<i>H</i>-1,2,4-triazole rings have great application potential in many fields. Therefore, two synthetic few-step methodologies, which make use of commercially available 4-cyanobenzoic acid (method A) and ethyl diazoacetate (method B), were applied to produce two groups of the aforementioned heterocyclic conjugates. In both cases, the target compounds were obtained in various combinations, by introducing electron-donatin  ...[more]

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