Intramolecular formal [4+2] cycloaddition of 3-ethoxycyclobutanones and alkenes?

Chemical Communications Pub Date: 2010-01-06 DOI: 10.1039/B919332D

Abstract

Intramolecular formal [4+2] cycloaddition between 3-ethoxycyclobutanones and a carboncarbon double bond to the corresponding bicyclo[4.n.0]alkan-2-one derivatives proceeded effectively by using ethylaluminium dichloride.

Graphical abstract: Intramolecular formal [4+2] cycloaddition of 3-ethoxycyclobutanones and alkenes
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