The present invention relates to compounds capable of serving as moderators of human and mammalian appetite and as such provides a means for reducing body mass. The compounds of the present invention are selective against melanin concentrating hormone and do not have the pernicious side effects resulting from compounds which interact with other appetite related brain receptors.
The invention provides certain substituted phenyl compounds of the Formula (I) or pharmaceutically acceptable salts thereof, wherein R
1
, R
2
, R
3
, R
4
, R
cy
, and t are as defined herein. The invention also provides pharmaceutical compositions comprising such compounds, and methods of using the compounds for treating diseases or conditions mediated by Spleen Tyrosine Kinase (Syk).
A process for producing a biaryl compound, characterized by reacting an arylhydrazine compound, hydrogen peroxide and an aryl compound. When the reaction is conducted in the presence of a given metal or a compound of the metal or in the presence of a metal oxide obtained by reacting the given metal or a compound of the metal with hydrogen peroxide, then the yield of the biaryl compound is improved.