ENANTIOSELECTIVE INTRAMOLECULAR [2+2] PHOTOCYCLOADDITION REACTION OF N-ALLYL-3-OXO-1-CYCLOHEXENECARBOXAMIDES IN INCLUSION CRYSTALS WITH CHIRAL HOST COMPOUNDS
Photoirradiation of powdered inclusion crystals of the title compounds with chiral host compounds derived from tartaric acid in a water suspension give the optically active [2 + 2] photocyclisation products.