Previous Article Next Article Table of Contents Journal of the American Chemical Society, Vol.125, No.9, 2386-2387, 2003 DOI10.1021/ja027209s Export Citation Formation of a cyclobutylidene ring: Intramolecular [2+2] cycloaddition of allyl and vinylidene C=C bonds under mild conditions Alvarez P, Lastra E, Gimeno J, Bassetti M, Falvello LR Please enable JavaScript to view the comments powered by Disqus.