Heteroatom-linked substituted piperidines and derivatives thereof useful as histamine H3 antagonists
                        
                            
                                申请人:Aslanian G. Robert
                            
                            
                                公开号:US20070015807A1
                            
                            
                                公开(公告)日:2007-01-18
                            
                            Disclosed are novel compounds of the formula
or a pharmaceutically acceptable salt thereof, wherein:
M
1
and M
3
are CH or N;
M
2
is CH, CF or N;
Y is —C(═O)—, —C(═S)—, —(CH
2
)
q
—, —C(═NOR
7
)— or —SO
1-2
—; Z is a bond or optionally substituted alkylene or alkenylene;
R
1
is H, or alkyl, cycloalkyl, aryl, heteroaryl, heterocycloalkyl, all optionally substituted, or a group of the formula:
where ring A is a heteroaryl ring;
R
2
is optionally substituted alkyl, alkenyl, aryl, heteroaryl, cycloalkyl or heterocycloalkyl;
R
3
is H, —C(O)NH
2
, or alkyl, aryl, cycloalkyl, heterocycloalkyl or heteroaryl, all optionally substituted; and the remaining variables are as defined in the specification; compositions and methods of treating allergy-induced airway responses, congestion, obesity, metabolic syndrome, alcoholic fatty liver disease, hepatic steatosis, nonalcoholic steatohepatitis, cirrhosis, hepatacellular carcinoma and cognition deficit disorders using said compounds, alone or in combination with other agents.