By reaction of 1,4-naphthoquinone (1) and trialkylboranes in the presence of oxygen and oxidative work-up, sterically hindered 2-alkyl-1,4-naphthoquinones and, on addition of magnesium bromide, 2,3-bisalkyl-1,4-naphthoquinones are obtained.
1,4-萘醌(1)和三烷基
硼烷在
氧气存在下发生反应并进行氧化加工,可得到立体受阻的 2-烷基-
1,4-萘醌,加入
溴化镁后可得到 2,3-双烷基-
1,4-萘醌。