The present invention is directed to novel pyridazinone derivatives that mediate enzymatic activity. In particular, the compounds may be effective in the treatment of diseases or disease states related to the activity of the histamine H3 receptor, including, for example, neurodegenerative disorders, sleep/wake disorders, attention deficit hyperactivity disorder and cognition/cognitive disorders.
Substituted Pyridazinone Derivatives as Histamine-3 (H3) Receptor Ligands
申请人:Becknell Nadine C.
公开号:US20110098269A1
公开(公告)日:2011-04-28
The present invention provides compounds according to Formulas I, II, III, IV, V, VI, VII or VIII:
their use as H
3
antagonists/inverse agonists, processes for their preparation, and pharmaceutical compositions thereof.
The present invention is directed to novel pyridazinone derivatives that mediate enzymatic activity. In particular, the compounds may be effective in the treatment of diseases or disease states related to the activity of the histamine H3 receptor, including, for example, neurodegenerative disorders, sleep/wake disorders, attention deficit hyperactivity disorder and cognition.
The present invention provides compounds of formula (I*):
their use as H3 inhibitors, processes for their preparation, and pharmaceutical compositions thereof.