申请人:Brotherton-Pleiss E. Christine
公开号:US20070037974A1
公开(公告)日:2007-02-15
Compounds of formula 1 are modulators of P2X3 useful for the treatment of pain and genito-urinary, gastrointestinal, and respiratory disorders:
wherein
R
1
is —C(═S)CH
3
, pyridyl, pyrimidinyl, pyrazinyl, thiazolyl, furyl, furylcarbonyl, acetyl, or carbamoyl; R
2a
and R
2b
are independently H, methyl, or ethyl; R
3
is H or methyl; Y is a bond, —(CR
4
R
5
)
n
— or —CR
4
═CR
5
—; wherein R
4
and R
5
are each independently H or methyl and n is 1 or 2; X is N or CH; A is phenyl, 5-membered heterocyclyl, or 6-membered heterocyclyl; R
6
, R
7
and R
8
are each independently H, halo, lower alkyl, cycloalkyl, alkylthio, alkylthio-lower alkyl, alkylsulfonyl-lower alkyl, di(lower alkyl)amino-lower alkyl, morpholinyl-lower alkyl, 4-methyl-piperazinyl-methyl, trifluoromethyl, pyridyl, tetrazolyl, thiophenyl, phenyl, biphenyl, or benzyl (where thiophenyl, phenyl and benzyl are substituted with 0-3 lower alkyl, halo, sulfonamido, trifluoromethyl, lower alkoxy or lower alkylthio) or R
6
and R
7
together form a 5-membered or 6-membered carbocyclic or heterocyclic ring substituted with 0-3 substituents selected from the group consisting of lower alkyl, lower alkoxy, oxo, halo, thiophenyl-lower alkyl, phenyl, benzyl (where phenyl and benzyl are substituted with 0-3 lower alkyl, halo, sulfonamido, trifluoro-methyl, lower alkoxy, lower alkylthio, amino-lower alkyl, lower alkylamino-lower alkyl, or di(lower alkyl)amino-lower alkyl); and pharmaceutically acceptable salts thereof; wherein when R
1
is pyrimidin-2-yl, X is N, Y is a bond and A is oxazol-5-yl the carbon atom at position 4 in said oxazol-5-yl is not substituted by propyl when the carbon atom at position 2 in said oxazol-5-yl is substituted by substituted phenyl and the carbon atom at position 4 in said oxazol-5-yl is not substituted by phenyl when the carbon atom at position 2 is substituted by unsubstituted or substituted phenyl.
式1的化合物是P2X3的调节剂,用于治疗疼痛和泌尿生殖、胃肠和呼吸系统疾病:
其中
R
1
为—C(═S)CH
3
,
吡啶基,
嘧啶基,
吡嗪基,
噻唑基,
呋喃基,
呋喃甲酰基,
乙酰基或
氨基甲酰基;R
2a
和R
2b
独立地为H,
甲基或乙基;R
3
为H或
甲基;Y为键,—(CR
4
R
5
)
n
—或—CR
4
═CR
5
—;其中R
4
和R
5
各自独立地为H或
甲基,n为1或2;X为N或CH;A为
苯基,5-成员杂环基或6-成员杂环基;R
6
,R
7
和R
8
各自独立地为H,卤素,低
碳基,
环烷基,烷基
硫醚,烷基
硫醚-低
碳基,烷基磺酰基-低
碳基,二(低
碳基)
氨基-低
碳基,
吗啉基-低
碳基,4-
甲基哌嗪基-
甲基,三
氟甲基,
吡啶基,
四唑基,
噻吩基,
苯基,
联苯基或
苄基(其中
噻吩基,
苯基和
苄基被0-3个低
碳基,卤素,磺
酰胺基,三
氟甲基,低烷
氧基或低烷
硫基取代)或R
6
和R
7
一起形成一个被0-3个取自由低
碳基,低烷
氧基,
氧代基,卤素,
噻吩基-低
碳基,
苯基,
苄基(其中
苯基和
苄基被0-3个低
碳基,卤素,磺
酰胺基,三
氟甲基,低烷
氧基,低烷
硫基,
氨基-低
碳基,烷基
氨基-低
碳基或二(低
碳基)
氨基-低
碳基取代)的5-成员或6-成员
碳环或杂环取代环;及其药学上可接受的盐;其中当R
1
为
嘧啶-2-基时,X为N,Y为键,A为
噁唑-5-基时,所述
噁唑-5-基中位置4的
碳原子在所述
噁唑-5-基中位置2的
碳原子被取代的
苯基取代时不被丙基取代,且所述
噁唑-5-基中位置4的
碳原子在位置2被取代的
苯基取代时不被
苯基取代。