申请人:——
公开号:US20020045644A1
公开(公告)日:2002-04-18
2-Phenylpyran-4-one derivatives of formula (I):
1
wherein:
R
1
represents an alkyl or —NR
4
R
5
group, wherein R
4
and R
5
each independently represents a hydrogen atom or an alkyl group;
R
2
represents an alkyl, C
3
-C
7
cycloalkyl, pyridyl, thienyl, naphthyl, tetrahydronaphthyl or indanyl group, or a phenyl group which may be unsubstituted or substituted by one or more halogen atoms or alkyl, trifluoromethyl, hydroxy, alkoxy, methylthic, amino, mono- or dialkylamino, hydroxalkyl or hydroxycarbonyl groups;
R
3
represents a methyl, hydroxymethyl, alkoxymethyl, C
3
-C
7
cycloalkoxymethyl, benzyloxymethyl, hydroxycarbonyl, nitrile, trifluoromethyl or difluoromethyl group or a CH
2
—R
6
group wherein R
6
represents an alkyl group; and
X represents a single bond, an oxygen atom, a sulfur atom or a methylene group;
or pharmaceutically acceptable salts thereof, processes for their production and synthetic intermediates used in said processes, pharmaceutical compositions containing them and their use in medical treatment.
化合物公式(I)的2-苯基吡喃-4-酮衍生物:1其中:R1代表烷基或-NR4R5基团,其中R4和R5每个独立地代表氢原子或烷基基团;R2代表烷基,C3-C7环烷基,吡啶基,噻吩基,萘基,四氢萘基或茚基,或苯基,该苯基可以是未取代的或取代了一个或多个卤素原子或烷基,三氟甲基,羟基,烷氧基,甲基硫基,氨基,单烷基或二烷基氨基,羟基烷基或羟基羧基基团;R3代表甲基,羟甲基,烷氧甲基,C3-C7环烷氧甲基,苄氧甲基,羟基羧基,腈基,三氟甲基或二氟甲基基团或CH2-R6基团,其中R6代表烷基基团;X代表单键,氧原子,硫原子或亚甲基基团;或其药学上可接受的盐,用于生产的过程以及用于该过程中使用的合成中间体,包含它们的制药组合物以及它们在医学治疗中的使用。