Advances in Cycloaddition, Volume 4

Preface (M. Launtens). Photocyclization and photocycloaddition reactions of 4- and 2-pyrones (FG West). Intramolecular [4 + 3] cycloaddition reactions (M. Harmata). Lewis acid catalyzed [2 + 2] cycloaddition reactions of vinyl sulfides and their analogues: catalytic asymmetric [2 + 2] cycloaddition reactions (K. Narasaka, Y. Hayashi). Vinylboranes as diels-alder dienophiles (DA Singleton). Preparation and exo-selective [4 + 2] cycloaddition reactions of cobaloxime-substituted 1,3-denies (ME Welker et al. ). Index.