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- Title
Synthesis and Electrochemical Behavior of Electron-Rich s-Tetrazine and Triazolo-tetrazine Nitrate Esters.
- Authors
Myers, Thomas W.; Snyder, Christopher J.; Chavez, David E.; Scharff, R Jason; Veauthier, Jacqueline M.
- Abstract
We have prepared energetic nitrate ester derivatives of 1,2,4,5-tetrazine and 1,2,4-triazolo[4,3- b]-[1,2,4,5]-tetrazine ring systems as model compounds to study the electrochemical behavior of tetrazines in the presence of explosive groups. The model compounds showed lower thermal stabilities relative to PETN (pentaerythritol tetranitrate), but slightly improved mechanical sensitivities. The presence of electron-rich amine donors leads to a cathodic shift of the tetrazine redox potentials relative to those of previously reported tetrazine explosives. At these potentials, electron-rich tetrazines with either covalently bound or co-dissolved nitrate ester groups are irreversibly reduced. Effectively, changes in the electronic structure of tetrazines affect their electrochemical response to the presence of nitrate ester groups. Thus, it may be possible to develop tetrazine-based electrochemical sensors for the detection of specific explosives and electrocatalysts for their disposal.
- Subjects
ELECTROCHEMISTRY; CHEMICAL synthesis; NITRATES; TETRAZINE; ESTERS; AMINES
- Publication
Chemistry - A European Journal, 2016, Vol 22, Issue 30, p10590
- ISSN
0947-6539
- Publication type
Article
- DOI
10.1002/chem.201601422