Benzvalene

Liquid

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Benzvalene is an unstable organic compound and isomeric with benzene.

It was first synthesized in 1971 by Thomas J. Katz. The synthesis was carried out by the reaction of cyclopentadiene with methyllithium in dimethyl ether and then with dichloromethane, and methyllithium at -45 ° C. The resulting solution has a foul smell. Due to the high steric strain of the connection, it is converted in a short time in order to benzene and tends to explosive decomposition.

Benzvalene polymerized by ring-opening metathetic polymerization Polybenzvalen, that is studied as an intermediate for the preparation of Polyethin.

Photochemical conversion benzvalene can be converted to oxetanes.