58016-17-4Relevant academic research and scientific papers
INFLUENCE OF THE STEREOCHEMISTRY ON THE 1,2-DIALKENYLCYCLOBUTANOLS BEHAVIOUR: OXY-COPE VERSUS RETRO-ENE REARRANGEMENTS
Barnier, J. P.,Ollivier, J.,Salaun, J.
, p. 2525 - 2528 (1989)
From cyclobutanones 5a-j, ten 1,2-divinylcyclobutanols 1a-j were prepared.A stereochemical effect was clearly evidenced: while trans 1,2-divinylcyclobutanols underwent a retro-ene ring opening, the cis isomers underwent an oxy-Cope ring enlargement.
