A process for the preparation of ubihydroquinones and ubiquinones by condensation of a prenol or isoprenol with a hydroquinone or derivative thereof in the presence of 0.005-1.0 mol % of a catalyst which is a Broensted-acid, a Lewis-acid from the group consisting of a derivative of Bi or In or an element of group 3 of the periodic table of the elements, a heteropolyacid, an NH- or a CH-acidic compound, and optionally oxidizing the ubihydroquinone obtained.
一种制备辅酶喹酮和辅醌的方法,通过在存在0.005-1.0摩尔%催化剂的条件下,将藤黄烯醇或异藤黄烯醇与羟基苯醌或其衍
生物缩合,所述催化剂为Broensted酸、来自Bi或In衍
生物或元素3的Lewis酸、杂多酸、NH-或CH-酸性化合物,可选地氧化获得的辅酶喹酮。