作者:Essie Kariv-Miller、Ryszard I. Pacut
DOI:10.1016/s0040-4020(01)90597-6
日期:1986.1
constant-current and the products were isolated and identified. Anthracene formed initially 9,10-dihydroanthracene which reduced with additional charge transfer to 1,4,5,8,9,10-hexahydroanthracene in high yield. To obtain more saturated anthracene derivatives, a process was developed which involves a “one pot” reduction-isomerization-reduction sequence. Anthracene was electrolyzed first to completion, the product
研究了蒽和菲的制备型阴极还原,旨在获得水溶液中的桦木型产物。根据先前的报道,使用汞池阴极和四丁基铵电解质进行了还原。发现最佳条件包括氢氧化四丁铵作为电解质和水作为唯一溶剂。使用恒流在简单的电池中进行反应,并分离和鉴定产物。蒽最初形成9,10-二氢蒽,然后通过额外的电荷转移将其还原为高产率的1,4,5,8,9,10-六氢蒽。为了获得更多的饱和蒽衍生物,开发了一种涉及“一锅”还原-异构化-还原序列的方法。蒽首先被电解完成 产物通过在电解液(在池中但没有电荷转移)中的回流进行异构化,然后再次进行电解。使用该方法以显着的产率形成了1,2,3,4,5,6,7,8-八氢蒽和1,2,3,4,5,6,7,8,9,10-十氢蒽。菲的还原导致高饱和衍生物的混合物,而无需异构化步骤。主要产物随二氢菲()合成八氢菲()和十氢菲()。通常显示出在水溶液中多环芳族化合物的阴极加氢是可能的。产物类似于通过金属氨或胺还原