Tetrahedron Letters p. 3935 - 3938 (1984)
Update date:2022-07-29
Topics:
Billups, W. E.
Lin, Long-Jin
Arney, Benny E.
Rodin, Wayne A.
Casserly, Edward W.
Treatment of 1-bromo-2,2-dichloro(trimethylsilyl)cyclopropane (2) with tetra-n-butylammonium fluoride in tetrahydrofuran yields 1-bromo-2-chlorocyclopropene (1). 1H-Cyclopropaphenanthrene (3) can be prepared by aromatization of the Diels-Alder adduct of 1 and 1,2-dimethylene-3,5,6,7,8,9-hexahydronaphthalene (6) using DDQ followed by potassium t-butoxide in tetrahydofuran.
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(1983)
