Abstract
The paper describes the synthesis of novel strained hydrocarbons based on a\t\t\t\t\tdiene of the norbornene series, namely 5-methylene-2-norbornene, using catalytic\t\t\t\t\tcyclopropanation with diazomethane. The study demonstrated the possibility of\t\t\t\t\tselective cyclopropanation solely along the endocyclic double bond. The\t\t\t\t\tphysicochemical properties of the hydrocarbons were investigated systematically.\t\t\t\t\tThese hydrocarbons were shown to have an advantageous combination of high\t\t\t\t\tdensity, low freezing point, and high energy density value. The study’s findings\t\t\t\t\tindicate that the compounds synthesized are promising as a component of\t\t\t\t\thigh-energy-density fuels for modern jet engines.
Highlights
Cyclopropane derivatives have been of interest to researchers for many years due to their unique reactivity
The energy properties of these derivatives were demonstrated to surpass those of JP-10, a commonly used HED fuel based on exotetrahydrodicyclopentadiene (C10H16)
The starting 5-methylene-2-norbornene (1) was synthesized in accordance with a relevant two-step method described in published literature
Summary
Cyclopropane derivatives have been of interest to researchers for many years due to their unique reactivity. The most important fuel properties are heating value, density, low freezing point, and viscosity. Aviation kerosene is being gradually replaced by synthetic fuels superior in performance characteristics, a higher density and a higher heating value combined with a lower freezing point.
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