Patent ID: 8709104
Filing Date: 2014-04-29
Classification: A61K,A61Q,C07D,C09B

Abstract:
1. A compound of the formula I where X stands for a single bond or a substituent of the formula IIa or IIb where * 1 is oriented towards the N═N, where: when X is a single bond, precisely one of the substituents R when X is of formula IIa, precisely one of the substituents R when X is of formula IIb, precisely one of the substituents R where R 15 in each case stands, independently of one another, for an ascorbic acid radical of the formula IVa or IVb or a dehydroascorbic acid radical of the formula IVc or IVd, in each case as the L or D enantiomer, where the remaining substituents R where Alk where Arl in each case stands, independently of one another, for an unsubstituted, mono- or polysubstituted C where An or a tautomer or stereoisomer thereof, including mixtures thereof in all ratios.