Patent ID: 8846922
Filing Date: 2014-09-30
Classification: C07F,H01M,Y02E

Abstract:
1. Compounds of the formula I where R X denotes OR, Ac, OAr or OHet, Ac denotes a carboxyl group OC(O)R, also including carboxyl groups of an aliphatic dicarboxylic acid resulting in compounds having the formula Ib where if z denotes 1 then x denotes 2 and y denotes 1, if z denotes 2 then x denotes 1 and y denotes 1, if z denotes 3 then x denotes 2 and y denotes 3, and if z denotes 4 then x denotes 1 and y denotes 2 and R′ denotes a single bond or an alkylene group having 1 to 4 C atoms, Ar denotes an aryl group having 6 to 12 C atoms, which may be unsubstituted or substituted by Hal, NH Alk denotes a straight-chain or branched alkyl group having 1 to 12 C atoms, Het denotes a heteroaryl group having 5 to 13 C atoms, which may be unsubstituted or substituted by Hal, NH R denotes H, a straight-chain or branched alkyl group having 1 to 20 C atoms, which may be partially substituted by Hal, NH and Kt denotes a stabilized proton, a metal cation or an organic cation, Hal denotes F, Cl, Br or I, z denotes 1, 2, 3 or 4, and n denotes 1, 2 or 3, and/or tautomers or stereoisomers thereof, including mixtures thereof in all ratios.