2,5-bis alkyl sulfonyl and 2,5-bis alkyl thio substituted-pyridines
申请人:The Dow Chemical Company
公开号:US04616087A1
公开(公告)日:1986-10-07
A process for preparing substituted-pyridines having a sulfonyl type substituted at the 3 or 5 position of the pyridine ring and a phenoxy type substituent at the 2 position is described.
The invention is concerned with the compounds of formula I:
and pharmaceutically acceptable salts and esters thereof, wherein W, X, Y, and R1-R7 are defined in the detailed description and claims. In addition, the present invention relates to methods of manufacturing and using the compounds of formula I as well as pharmaceutical compositions containing such compounds. The compounds of formula I are antagonists or partial agonists at the CRTH2 receptor and may be useful in treating diseases and disorders associated with that receptor such as asthma.