| abstract |
This invention relates to 1-diphenylmethyl-pyrazole derivatives of formula (I): n n n and pharmaceutically acceptable salts thereof; wherein R 1 , R 2 , R 3 , R 4 and R 5 are defined herein, as ligands for opioid receptors, particularly the delta opioid receptor. The compounds of the invention have a broad range of therapeutic uses in the area of addictions, analgesia, immunotherapy, shock and brain injuries, neurological dysfunction, gastrointestinal dysfunction, among others. |