Abstract: The invention relates to derivatives of dihydroxyphenylalanine, to their synthesis and to pharmaceutical compositions containing said derivatives of dihydroxyphenylalanine. Furthermore, the invention relates to the use of said derivatives of dihydroxyphenylalanine and said pharmaceutical compositions for the treatment and prophylaxis of movement disorders, neurodegenerative diseases, Alzheimer's disease, Parkinson's disease, hemiparkinson-hemiatrophy, parkinsonian syndrome, Lewy body disease, frontotemporal dementia, Lytico-Bodig disease (parkinsonism/dementia/amyotrophic lateral sclerosis), striatonigral degeneration, Shy-Drager syndrome, sporadic olivopontocerebellar degeneration, progressive atrophy of the globus pallidus, progressive supranuclear palsy, Hallervorden-Spatz disease, Huntington's disease, X-linked dystonia-parkinsonism (Lubag), mitochondrial cytopathy with striatal necrosis, neuroacanthocytosis, restless legs syndrome, Wilson's disease.