Novel substituted pyrazolo[1,5 a]-1,3,5-triazine derivatives and their analogues, pharmaceutical compositions containing same, use thereof as medicine and methods for preparing same
申请人:Bernard Philippe
公开号:US20060106019A1
公开(公告)日:2006-05-18
The invention concerns novel substituted pyrazolo[1,5 A]-1,3,5-triazine derivatives and some of their structural analogues, and their therapeutic uses, more particularly for preventing and treating pathologies involving central and/or peripheral neuronal degeneration. The invention also concerns methods for preparing same and novel synthesis intermediates. The compounds of the invention correspond more particularly to general formulae (Ia) and (Ib).
Novel substituted pyrazolo[1,5<I>A</I>]-1,3,5-Triazine derivatives and their analogues, pharmaceutical compositions containing same, use thereof as medicine and methods for preparing same
申请人:Bernard Philippe
公开号:US20090105261A1
公开(公告)日:2009-04-23
The invention relates to novel derivatives capable of increasing the synthesis and/or the release of neurotrophic factors, and therefore able to be used as a human or veterinary medicinal product. The invention also relates to methods for preparing the derivatives and also to the intermediates required for their synthesis.
5-a]-1,3,5-triazines were considered as a bioisosteric replacement for the 9-substitutedadenine derivatives resulting in the discovery of 8-(2-methoxybenzyl)-4-(N-methylamino)-2-n-propylpyrazolo[1,5-a]-1,3,5-triazine (14d) and 2-trifluoromethyl-8-(2-methoxybenzyl)-4-(N-methylamino)pyrazolo[1,5-a]-1,3,5-tria zine (14e) as a new structural class of potent phosphodiesterase type 4 inhibitors (IC(50)=13