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Protective effect of imidazolopyrazinone antioxidants on ischemia/reperfusion injury
Axelle Arrault1, Marlène Dubuisson, Sonia Gharbi
1Unité de Chimie Organique et Médicinale, Université Catholique de Louvain, Bâtiment Lavoisier, Place Louis Pasteur 1, B-1348 Louvain-la-Neuve, Belgium.
Bioorganic & Medicinal Chemistry Letters
|March 18, 2003
Abstract:
A series of 2-substituted 3,7-dihydroimidazolo[1,2-a]pyrazine-3-ones has been synthesized and evaluated for their antioxidant activity. Compounds 1-8 are inhibitors of AAPH-induced lipid peroxidation (in vitro) and excellent protectors against microvascular damages in ischemia/reperfusion (in vivo). Hence, the bicyclic structure typical of coelenterazine (luciferin) could be considered as a useful lead in medicinal chemistry.