Stereoselective photocycloadditions of chalcone derivatives in a crystalline inclusion complex with 1,1,6,6-tetraphenylhexa-2,4-diyne-1,6-diol
Abstract
Irradiation of complexes of chalcone derivatives with 1,1,6,6-tetraphenylhexa-2,4-diyne-1,6-diol in the crystalline state, gave only the syn-head-to-tail cycloaddition product.