Matches in DBpedia 2014 for { ?s ?p Benzvalene is an organic compound and one of several isomers of benzene. It was synthesised in 1971 by Thomas J. Katz et al.The 1971 synthesis consisted of treating cyclopentadiene with methyllithium in dimethylether and then with dichloromethane and methyllithium in at -45°C. The hydrocarbon in solution was described as having an extraordinary foul odor. Due to the high steric strain present in benzvalene, the pure compound easily detonates, for example by scratching.The compound converts to benzene with a chemical half-life of approximately 10 days. This symmetry forbidden transition is believed to take place through a diradical intermediate.. }
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- Benzvalene abstract "Benzvalene is an organic compound and one of several isomers of benzene. It was synthesised in 1971 by Thomas J. Katz et al.The 1971 synthesis consisted of treating cyclopentadiene with methyllithium in dimethylether and then with dichloromethane and methyllithium in at -45°C. The hydrocarbon in solution was described as having an extraordinary foul odor. Due to the high steric strain present in benzvalene, the pure compound easily detonates, for example by scratching.The compound converts to benzene with a chemical half-life of approximately 10 days. This symmetry forbidden transition is believed to take place through a diradical intermediate.".