... C The Chemical Society of Japan 1980 EFFECT OF GUEST CATIONS ON THE PHOTO- SOLVOLYS IS OF 4'(1-ACETOXY)ETHYLBENZO-I5-CROWN-51) Atsushi SUZUKI and Masaru TADA* Department of Chemistry, School of Science and Engineering, Waseda University, Shinjuku, Tokyo 160 Photo-solvolysis of 4'-(1-acetoxy)ethylbenzo-15-crown-5 (1) in ... fundamental organic chemistry. The effect appears at ortho and para positions in ...