The invention relates to the compound of general formula (I) as novel inhibitors of transglutaminases, to methods for producing the inventive compounds, to pharmaceutical compositions containing said inventive compounds and to their use for the prophylaxis and treatment of diseases associated with transglutaminases.L'invention concerne le composé de formule générale (I) en tant que nouveaux inhibiteurs de transglutaminases, des procédés de production des composés de l'invention, des compositions pharmaceutiques contenant lesdits composés de l'invention et leur utilisation pour la prophylaxie et le traitement de maladies associées à des transglutaminases.