| abstract |
Process for the preparation of 1-butene-3,4-diol monoesters by reacting 1,3-butadienes in the presence of palladium, platinum or salts of these metals with oxygen and carboxylic acids in the presence of bromine compounds and new 1-butene-3,4-diol monoesters of the formula <IMAGE> in which one of the radicals X is a hydrogen atom, the other radical X is an R3-CO radical, R¹ is a hydrogen atom or an alkyl radical having 1 to 3 C atoms and the radicals R² and R³ are alkyl radicals having 1 to 3 C -Atoms mean. |