申请人:Almirall Prodesfarma S.A.
公开号:US06518303B2
公开(公告)日:2003-02-11
2-Phenylpyran-4-one derivatives of formula (I):
wherein:
R1 represents an alkyl or —NR4R5 group, wherein R4 and R5 each independently represents a hydrogen atom or an alkyl group;
R2 represents an alkyl, C3-C7 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, methylthio, amino, mono- or dialkylamino, hydroxalkyl or hydroxycarbonyl groups;
R3 represents a methyl, hydroxymethyl, alkoxymethyl, C3-C7 cycloalkoxymethyl, benzyloxymethyl, hydroxycarbonyl, nitrile, trifluoromethyl or difluoromethyl group or a CH2—R6 group wherein R6 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.
公式(I)中的2-苯基吡喃-4-酮衍生物:其中:R1代表烷基或-NR4R5基团,其中R4和R5各自独立地表示氢原子或烷基基团;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,该苯基可以未经取代或被一个或多个卤素原子或烷基,三氟甲基,羟基,烷氧基,甲硫基,氨基,单烷基或二烷基氨基,羟基烷基或羟基羧基基团取代;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,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,用于制造它们的过程以及用于该过程的合成中间体,包含它们的制药组合物以及它们在医疗治疗中的应用。