INFLUENCE OF THE STEREOCHEMISTRY ON THE RATE OF CYCLIZATION OF CIS AND TRANS-O-HYDROXYARYL ALKENYL KETONES. MECHANISTIC IMPLICATIONS

Article abstract of DOI:10.1016/S0040-4020(01)86817-4

Irradiation of the aryl trans-2-butenoates 4b-e affords the corresponding photo-Fries products 1b-e, together with their cis isomers 3b-e.After separation by means of HPLC, the kinetics of the basic cyclization of the trans and cis-o-hydroxyketones 1b-e a