PIHKALAnthologyShulgin_page_497

PIHKALAnthologyShulgin | page 497 | https://thedailydialectics.com/pdfs/education/chemistry/phenylethylenes/PIHKALAnthologyShulgin/PIHKALAnthologyShulgin.pdf

was followed by the addition of 2.80 g 1,4-dimethoxy-2-(2-nitrovinyl)naphthalene in 40 mL anhydrous THF. There was an immediate loss of color. After 1 h stirring at 0 !C, the temperature was brought up to a gentle reflux on the steam bath for 20 min, then all was cooled again to 0 !C. The excess…