Novel NMDA Antagonists: Replacement of the Pyridinium Ring of 6,11-Ethanobenzo[b]quinolizinium Cations with Heteroisoquinolinium Cations
摘要:
Replacement of the pyridinium ring of 6,11-ethanobenzo[b]quinolizinium cations with thiazolium (4a and 4b) and N-methylimidazolium (4c and 4d) resulted in equipotent compounds in the [H-3]TCP binding assay. The corresponding N-methyl-1,2,4-triazolium analogs were less potent in this assay. The thiazolium derivative 4b, with a K-i = 2.9 nM, is being evaluated as a possible neuroprotective N-methyl-D-aspartic acid (NMDA) antagonist.
Novel NMDA Antagonists: Replacement of the Pyridinium Ring of 6,11-Ethanobenzo[b]quinolizinium Cations with Heteroisoquinolinium Cations
作者:Virendra Kumar、Phil M. Carabateas、John A. Dority、William G. Earley、John P. Mallamo、Chakrapani Subramanyam、Lisa D. Aimone、Brian Ault、Diane L. DeHaven Hudkins、Matthew S. Miller
DOI:10.1021/jm00010a028
日期:1995.5
Replacement of the pyridinium ring of 6,11-ethanobenzo[b]quinolizinium cations with thiazolium (4a and 4b) and N-methylimidazolium (4c and 4d) resulted in equipotent compounds in the [H-3]TCP binding assay. The corresponding N-methyl-1,2,4-triazolium analogs were less potent in this assay. The thiazolium derivative 4b, with a K-i = 2.9 nM, is being evaluated as a possible neuroprotective N-methyl-D-aspartic acid (NMDA) antagonist.