A method for the production of perylene - 3,4: 9,10 - tetracarbonsäuredimiden and perylene - 3,4: 9,10 - tetracarboxylic dianhydride, as well as of naphthalene - 1,8 - dicarboximides

摘要

Production of perylene - 3,4: 9,10 - tetracarboximides of the general formula i dollar f1 dollars a (r c φ 1 - c 30 φ φ φ - alkyl, whose carbon chain by one or more groups - o - is interrupted and / or the by c φ 5 φ - c φ 8 φ - cycloalkyl, the φ by c φ 1 - c φ 6 φ - alkyl a - or more times may be substituted, phenyl or phenyl - c φ 1 φ - c φ 6 φ - alkyl, which in each case by means of c φ 1 φ - c φ 18 φ - alkyl and / or c φ 1 φ - c φ 6 φ - alkoxy a - or more times may be substituted, - ocor · 1 ·, - n (r · 1 ·) φ 2 φ, φ 2 - so nh φ φ 2 φ, φ 2 - thus φ n (r · 1 ·) φ φ 2, - con (r · 1 ·) φ 2 φ and / or - coor · 1 · a - can be substituted one or more times; dollars a is c φ 5 φ - c φ 8 φ - cycloalkyl, the carbon skeleton by one or more groups - o -, - s -, and / or - nr · 2 · - can be interrupted by c. and / or the φ φ 1 - c φ 6 φ - alkyl a - can be substituted one or more times; dollars a phenyl, phenyl - c φ 1 φ - c φ 6 φ - alkyl, naphthyl or hetaryl, the in each case by means of c φ 1 φ - c φ 18 φ - alkyl, c.sub.2 φ 1 φ - c φ 6 φ - alkoxy, phenylazo, napthylazo, pyridylazo, pyrimidylazo, cyano, - n (r · 1 ·) φ φ 2, - con (r · 1 ·) φ 2 φ and / or - coor · 1 · a - can be substituted one or more times; dollars a r · 1 · c φ 1 φ - c φ 6 φ - alkyl, c.sub.2 φ 5 φ - c φ 8 φ - cycloalkyl, phenyl or phenyl - c φ 1 φ - c φ 6 φ - alkyl; dollars a r · 2 · c φ 1 φ - c φ 6 φ - alkyl, phenyl or phenyl - c φ 1 φ - c φ 6 φ - alkyl) dollars a by dimerization of a naphthalene - 1,8 - dicarboximide of the formula ii dollar f2 in that the dimerization in a essentially of a non-polar - aprotic organic solvent and a alkali metal-containing base and the reaction medium consisting in this case as an alkali metal salt accumulating ..