Photo-induced intramolecular hydrogen abstraction of 3-alkoxy-1,2-naphthoquinones afforded methylenedioxy compounds. The efficiency of the reactions was strongly affected by introducing a substituent at the position 4 of the quinones.
3-烷氧基-
1,2-萘醌的光诱导分子内夺氢得到亚甲二氧基化合物。通过在醌的 4 位引入取代基,反应效率受到强烈影响。