Novel pyrrolinones as N-methyl-d-aspartate receptor antagonists

Autor: Hans-Dietrich Stachel, G. Hoefner, Hermann Poschenrieder, Peter Mayer
Rok vydání: 2005
Předmět:
Zdroj: European Journal of Medicinal Chemistry. 40:391-400
ISSN: 0223-5234
DOI: 10.1016/j.ejmech.2004.11.010
Popis: A series of oximes, deriving from 2-arylidene-pyrroline-3,4-diones (7, 8, 22, 23) has been prepared. The presence of tautomers in their solutions has been established by spectroscopic means. The compounds reacted with diazomethane chiefly by N-methylation forming nitrones (10, 11). The analogously prepared 2-arylidene-4-nitropyrrolin-3-ones (12, 13, 24, 25), formally derived from nitrotetramic acids, yielded nitronic acid esters (14, 15, 26) upon reaction with diazomethane. The structures were elucidated by spectral evidence and-in the case of compounds 10 and 20b-by X-ray diffraction analysis. The binding affinity of some of the new compounds toward the N-methyl-d-aspartate (NMDA) (glycine site) receptor has been measured thus providing the basis for further structure-activity relationship studies. Oxime 8b showed the highest binding potency (Ki= 9.2 microM).
Databáze: OpenAIRE