Isocyclic Compounds
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ChemInform Abstract: Base-Catalyzed Ring Openings of Benzocyclobutenones and -ols.
First published: April 30, 1996
Abstract
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ChemInform Abstract
The base-catalyzed ring opening of E- and Z- benzylidenebenzocyclobutenones and -ols is studied in protic and aprotic solvents. Stilbenes are formed by cleavage of the C-1/C-2 bond mainly under retention of stereochemistry. Reaction of (XV) or its E- isomer with MeLi in THF proceeds with isomerization to give the alcohols (XVII) and (XVIII) in both cases.
