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。