Secondary phenylethanol amines, processes for their preparation and their pharmaceutical application
申请人:BEECHAM GROUP PLC
公开号:EP0070133A2
公开(公告)日:1983-01-19
Compounds of formula (I):
and salts and in vivo hydrolysable acyl derivatives thereof, wherein
R1 is hydrogen or methyl;
R2 is hydrogen or methyl;
R3 is phenyl unsubstituted or substituted with one or two
of the following:- fluorine, chlorine, bromine, trifluoromethyl, C1-6 straight or branched chain alkyl or C1-6 straight or branched chain alkoxy; or is benzofuran-2-yl;
R5 is a hydrogen, halogen, hydroxy, lower alkyl or lower alkoxy;
R4 is moiety
wherein X is C2-10 alkylene which may be straight or branched provided that the oxygen and nitrogen are separated by at least two carbon atoms,
A is hydrogen; C1-6 straight or branched alkyl or benzyl optionally substituted with halogen, lower alkyl or lower alkoxy.
R6 is hydrogen; C1-6 straight or branched alkyl; C1-6 straight or branched alkylsulphonyl
R7 is C1-6 straight or branched alkyl; C1-6 straight or branched alkoxy; amino, mono- or di- (C1-6 straight or branched alkyl) amino; or
is a 5,6 or 7 membered cyclic amine optionally containing a second hetero atom selected from oxygen, nitrogen and sulphur,
and n is 1 or 2 have anti-obesity and anti-hyperglycaemic activity.
式(I)化合物:
及其盐类和体内可水解酰基衍生物,其中
R1 是氢或甲基
R2 是氢或甲基
R3 是未取代的苯基或被下列一个或两个取代的苯基
氟、氯、溴、三氟甲基、C1-6 直链或支链烷基或 C1-6 直链或支链烷氧基;或苯并呋喃-2-基;
R5 是氢、卤素、羟基、低级烷基或低级烷氧基;
R4 是分子
其中 X 为 C2-10 亚烷基,可以是直链或支链亚烷基,条件是氧和氮至少相隔两个碳原子、
A 是氢;C1-6 直链或支链烷基或苄基,可选择被卤素、低级烷基或低级烷氧基取代。
R6 是氢;C1-6 直链或支链烷基;C1-6 直链或支链烷基磺酰基
R7 是 C1-6 直链或支链烷基;C1-6 直链或支链烷氧基;氨基,单-或二-(C1-6 直链或支链烷基)氨基;或
是 5、6 或 7 个成员的环胺,可选择含有选自氧、氮和硫的第二个杂原子、
且 n 为 1 或 2 的化合物具有抗肥胖和抗高血糖活性。