Process for the preparation of 5,6-dihydroxyindole, wherein the compound of formula: ##STR1## in which R' denotes a hydrogen atom or an optionally substituted benzyl radical, is subjected either to the action of hydrogen under pressure or to a hydrogen transfer operation, in a solvent medium and in the presence of a hydrogenation catalyst.
制备
5,6-二羟基吲哚的过程,其中式化合物:##STR1##其中R'表示氢原子或可选择取代的苄基基团,经过在溶剂介质中,在氢化催化剂的存在下,通过受压氢或氢转移操作进行反应。