Synthesis and pharmacological characterization of certain baclofen analogues

M.I. Attia, C. Herdeis, Hans Bräuner-Osborne

    1 Citation (Scopus)

    Abstract

    (RS)-4-Amino-3-(4-chlorophenyl)butanoic acid (baclofen, 2) is the prototypic selective GABABR agonist and is used clinically for the treatment of spasticity associated with brain and spinal cord injuries. Synthesis and GABAB receptor agonist activity of certain amino acids structurally related to baclofen (2) are reported. (RS)-4-amino-3-(4- ethynylphenyl)butanoic acid hydrochloride (1b) showed GABAB receptor agonist activity with EC50 = 240 μM whereas (RS)-4-amino-3-(4-iodophenyl)butanoic acid hydrochloride (1c) emerged as the best GABAB receptor agonist congener in the synthesized compounds with ED50 = 32 μM.

    Original languageEnglish
    JournalDigest Journal of Nanomaterials and Biostructures
    Volume8
    Issue number1
    Pages (from-to)139-149
    ISSN1842-3582
    Publication statusPublished - 2012

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