1,3-Dipolar Cycloreversion of the 1-Pyrazoline from 5-Diazo-10,11-dihydro-5H-dibenzocycloheptene and 2,5-Dimethyl-1,4-benzoquinone

DOI: 10.1039/c39940002787

Source and publish data:

Journal of the Chemical Society. Chemical communications p. 2787 - 2788 (1994)

Update date:2022-08-11

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Authors:

Oshima, Takumi

Nagai, Toshikazu

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Article abstract of DOI:10.1039/c39940002787

Thermolysis of the pyrazoline formed from 5-diazo-10,11-dihydro-5H-dibenzocycloheptene and 2,5-dimethyl-1,4-benzoquinone gives the component diazoalkane and quinone via 1,3-dipolar cycloreversion, in competition with nitrogen extrusion to give the cyclopropane derivative.

Full text of DOI:10.1039/c39940002787

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