Agonists and Antagonists of the S1P5 Receptor, and Methods of Use Thereof
申请人:Harris Christopher M.
公开号:US20100216762A1
公开(公告)日:2010-08-26
Disclosed are compounds that are agonists or antagonists of the S1P
5
receptor, compositions comprising said compounds, and methods of using said compounds and compositions. In certain embodiments, said compounds are 1-benzylazetidine-3-carboxylic acid derivatives. In certain embodiments, said methods relate to the treatment of neuropatic pain and/or a neurodegenerative disorder. In certain embodiments, said compounds may be used in combination with a second therapeutic agent.
An improved synthesis of Flosulide (1), a selective COX-2 inhibitor, from the cheap and commercially available 4-chloro-3-nitrobenzaldehyde (2) by using an intramolecular Friedel-Crafts reaction of 4-(2,4-difluorophenoxy)-3-methanesulfonamidophenylpropionic acid (7) as the key step is reported.