An Expeditious Assembly of 3,4-Benzannulated-8-oxabicyclo[3:2:1]octane Systems

O. Venkata Subba Raju and Y.V. Rami Reddy*

Department of Chemistry, Sri Venkateswara University, Tirupati-517 502, India

*Corresponding author: E-mail:


Substituted diarylmethylidenefluorene derivatives are generally synthesized by addition of fluorenylidene anions to benzophenone and subsequent dehydration and very recently using Peterson olefination.


Diarylmethylidenefluorenes, Benzophenone, Wittig olefination, Hg(OAc)2.

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