Synthesis of 1,5-Dienes via Photocycloaddition between 2,5-Dihydrothiophene 1,1-Dioxides (Sulfolenes) and α,β-Unsaturated Cyclic Ketones and Anhydrides. Synthesis of 10-Hydroxygeraniol

Article abstract of DOI:10.1021/jo00350a074

Photocycloaddition between 2,5-dihydrothiophene 1,1-dioxide (1a) and 2-cyclohexenones 2a,b afforded cis-anti-cis and cis-trans photoadducts 3a,b and 4a in low yield.Photocycloaddition between sulfolene 1a and 2-cyclopentenones 8a,b yielded cis-anti-cis ph