Abstract

N-(arylmethylene)-benzimidazole/imidazole-borane compounds (7-10) based on ferrocene/benzene were synthesized in a cost-effective way by reacting N-(arylmethylene)-benzimidazole/imidazoles with ammonium sulfate ((NH4)2SO4) and sodium borohydride (NaBH4). The structures of compounds 7-9 were determined by X-ray crystallography. Four compounds displayed high thermal decomposition temperatures (182-256°C) according to the thermogravimetry (TG) measurements. Interestingly, these compounds showed promising applications as potential propellant due to their spontaneous combustion upon contact concentrated HNO3 (≥ 95 %) and catalytic effect on the thermal degradation of ammonium perchlorate (AP).

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