High nitrogen compounds are the focus of advanced energetic materials research aimed at future needs in the defense and space sectors  One of the methods of  building high nitrogen rich molecules is to combine tetrazoles ring with  moieties like, amines, azides, and hydrazines.  Tetrazoles have outstanding properties of often combining high nitrogen content and high heat of formation with good thermal stability. Hydrazine moiety is widely used as a propellant component and incorporating hydrazino group into heterocyclic ring increases inter and intramolecular hydrogen bonding which are useful in increasing density and lowering sensitivity of the compound. The pursuit for green energetic ionic liquids (EILs) is an ongoing research in our laboratory and we envisioned the coupling of these attractive energetic functional groups, namely hydrazine and tetrazole ring through a carbon linker.  Furthermore the presence of alkyl hydrazine side chain coupled with the versatility of tetrazole ring to undergo de-protonation, protonation and alkylation can result in new set of high nitrogen energetic derivatives.  Herein, we describe our efforts towards the synthesis of new hydrazine tethered tetrazoles.

Synthesis and characterization of 5-(hydrazino-alkly) tetrazoles

248th National Meeting (2014)

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