E-fluoro-4-(pyridin-2-yl)-piperidine-1-carboxamide derivatives and related compounds which modulate the function of the vanilloid-1 receptor (vr1) for the treatment of pain
申请人:Bayliss Tracy
公开号:US20070135423A1
公开(公告)日:2007-06-14
Compounds of formula (I): wherein: A
1
is phenyl, a six-membered aromatic heterocycle containing one, two or three nitrogen atoms, or a five-membered aromatic heterocycle containing up to four heteroatoms chosen from O, N and S, at most one heteroatom being O or S; A
2
is phenyl, a six-membered aromatic heterocycle containing one, two or three nitrogen atoms, or a five-membered aromatic heterocycle containing up to four heteroatoms chosen from O, N and S, at most one heteroatom being O or S; L is a bond or C
1-6
alkylene; R
1
and R
2
independently chosen from hydrogen and C
1-6
alkyl or R
1
and R
2
may, together, form a methylene or ethylene bridge; W is halogen, C
1-6
alkyl, haloC
1-6
alkyl, C
1-6
alkoxy or haloC
1-6
alkoxy; X is O, S or NR
3
or X, together with the atom to which it is attached, and Y, form an unsaturated five-membered ring together with A
2
; Y is a bond, C
1-4
alkylene, NH or NH(CH
2
)
1-3
; or a pharmaceutically acceptable salt thereof; other substituents are defined in claim
1
; which are useful as therapeutic compounds, particularly in the treatment of pain and other conditions ameliorated by the modulation of the function of the vanilloid-1 receptor (VR1).
式(I)的化合物:其中:A1是苯基,含有一个、两个或三个氮原子的六元芳杂环,或含有最多四个来自O、N和S的杂原子的五元芳杂环,至多一个杂原子为O或S;A2是苯基,含有一个、两个或三个氮原子的六元芳杂环,或含有最多四个来自O、N和S的杂原子的五元芳杂环,至多一个杂原子为O或S;L是键或C1-6烷基;R1和R2独立选择自氢和C1-6烷基,或R1和R2可共同形成亚甲基或乙烯基桥;W是卤素、C1-6烷基、卤代C1-6烷基、C1-6烷氧基或卤代C1-6烷氧基;X是O、S或NR3或X与其所连接的原子和Y共同形成一个不饱和的五元环,并与A2一起;Y是键、C1-4烷基、NH或NH(CH2)1-3;或其药学上可接受的盐;其他取代基在权利要求书中有定义;它们在治疗疼痛和其他通过调节vanilloid-1受体(VR1)功能改善的疾病中特别有用。