Triazolo-pyridazine derivatives as ligands for GABA receptors
申请人:Merck Sharp & Dohme Limited
公开号:US06579875B1
公开(公告)日:2003-06-17
1,2,4-triazolo[4,3-b]pyridazine derivatives, possessing a fluoro-substituted phenyl ring at the 3-position and a heteroaryl-alkoxy moiety at the 6-position, are selective ligands for GABAA receptors, in particular having high affinity for the &agr;2 and/or &agr;3 subunit thereof, are useful in the treatment of anxiety and convulsions.
[EN] DEUTERIUM-MODIFIED TRIAZOLO-PYRIDAZINE DERIVATIVES AS GABA-A RECEPTOR MODULATORS<br/>[FR] DÉRIVÉS DE TRIAZOLO-PYRIDAZINE MODIFIÉS PAR DEUTÉRIUM COMME MODULATEURS DU RÉCEPTEUR GABAA
申请人:CONCERT PHARMACEUTICALS INC
公开号:WO2011005520A1
公开(公告)日:2011-01-13
This invention relates to deuterated substituted triazolo-pyridazines and pharmaceutically acceptable salts thereof. This invention also provides compositions comprising a compound of this invention and the use of such compositions in methods of treating diseases and conditions that are beneficially treated by administering an αl-GABAA receptor antagonist or an α2- and/or an α3-GABAA receptor partial agonist.
This invention relates to novel substituted triazolo-pyridazines and pharmaceutically acceptable salts thereof. This invention also provides compositions comprising a compound of this invention and the use of such compositions in methods of treating diseases and conditions that are beneficially treated by administering an α1-GABAA receptor antagonist or an α2- and/or an α3-GABAA receptor partial agonist.
This invention relates to novel substituted triazolo-pyridazines and pharmaceutically acceptable salts thereof. This invention also provides compositions comprising a compound of this invention and the use of such compositions in methods of treating diseases and conditions that are beneficially treated by administering an α1-GABA
A
receptor antagonist or an α2- and/or an α3-GABA
A
receptor partial agonist.
Inverse electron demand Diels-Alder reactions of 3,6-dichloro-[1,2,4,5]tetrazine
作者:Tim J. Sparey、Timothy Harrison
DOI:10.1016/s0040-4039(98)01186-1
日期:1998.8
3,6-Dichloro-[1,2,4,5]tetrazine has been found to act as an efficient azadiene equivalent in inverse electron demand [4+2] cyclisations with a range of alkenes and alkynes, allowing rapid access to a range of highly functionalised pyridazines. (C) 1998 Elsevier Science Ltd. All rights reserved.