Photocycloaddition in Liquid Ethyl Cinnamate and in Ethyl Cinnamate Glasses. The Photoreaction as a Probe into the Micromorphology of the Solid

Article abstract of DOI:10.1021/ja00403a039

Irradiation of neat liquid ethyl cinnamate at room temperature and of ethyl cinnamate glasses at -80 and -196 deg C produces cyclodimers in high yield.Six of the possible eleven isomers have been identified in the products.Their contributions to the overa