... J. CHEM. VOL. 51, 1973 ... irradiated in the usual way for 12 h. The solution was ... The UV spectrum had h,,, (EtOH-CH,CI,) ture, was added 0.1034 g, 0.519 mmol of the methoxy- 270 mp, log E 4.54, and is similar to p-cyanostyrene, nitrile 1, dissolved in tert-butyl alcohol (10 ml). ...