1-Phenyl-2-aminoethanol derivatives, processes for their manufacture and pharmaceutical compositions thereof
申请人:IMPERIAL CHEMICAL INDUSTRIES PLC
公开号:EP0019411A1
公开(公告)日:1980-11-26
The invention concerns compounds of the formula:-R1.CH(OH).CH2NH. CR2R3. A1.NH. CO.CHR4.A2. NR5.Q I wherein R1 is 3,4-bis [(3-8C)alkanoyloxy] -phenyl, 3,5-bis[(3-8C)alkanoyloxy] phenyl, 3-[(3- 8C)alkanoyloxy]- methyl-4- [(3-8C)alkanoyloxy] phenyl, 4-[(3- 8C)alkanoyloxy] -phenyl, 2-chlorophenyl or 3,5-dichloro-4-aminophenyl; R2 and R are independently hydrogen or (1-4C)alkyl; A1 is (1-4C)alkylene; A2 is a direct bond or (1-4C)-alkylene; R4 is hydrogen, (1-6C)alkyl, phenyl-(1-4C)alkyl or halogenophenyl-(1-4C)alkyl; and R' is (1-6C) alkyl; or R4 and R5 together form (2-5C) alkylene; and Q is (3-12C)-alkanoyl, [(3- 6C)alkoxy]carbonyl, phenylacetyl, phenoxyacetyl, benzoyl or benzyloxycarbonyl, the phenyl rings of which may optionally bear a substituent selected from halogeno, (1-4C)alkyl, (1-4C)alkoxy and trifluoromethyl; and the pharmaceutically acceptable acid-addition salts thereof; processes for their manufacture; and pharmaceutical compositions thereof.
The compounds of formula I are topical anti-inflammatory agents. A representative compound is 1-[3,4- bis(pivaloyloxy)phenyl] -2-2-[(N- phenylacetyl-prolyl) -amino]-1,1- dimethyl- ethylamino}ethanol.
本发明涉及式如下的化合物:-R1.CH(OH).CH2NH.CR2R3.A1.NH。CO.CHR4.A2.NR5.其中 R1 是 3,4-双[(3-8C)烷酰氧基]-苯基、3,5-双[(3-8C)烷酰氧基]苯基、3-[(3-8C)烷酰氧基]-甲基-4-[(3-8C)烷酰氧基]苯基、4-[(3-8C)烷酰氧基]-苯基、2-氯苯基或 3,5-二氯-4-氨基苯基;R2 和 R 独立地为氢或 (1-4C) 烷基;A1 为 (1-4C) 亚烷基;A2 为直接键或 (1-4C) 亚烷基;R4 为氢、(1-6C) 烷基、苯基-(1-4C) 烷基或卤素苯基-(1-4C) 烷基;以及 R' 为 (1-6C) 烷基;或 R4 和 R5 共同形成 (2-5C) 亚烷基;以及 Q 是 (3-12C)-烷酰基、[(3-6C)烷氧基]羰基、苯乙酰基、苯氧基乙酰基、苯甲酰基或苄氧羰基,其苯基环可任选带有选自卤素、(1-4C)烷基、(1-4C)烷氧基和三氟甲基的取代基;及其药学上可接受的酸加成盐;其制造工艺;及其药物组合物。
式 I 的化合物是局部抗炎剂。具有代表性的化合物是 1-[3,4-双(新戊酰氧基)苯基] -2-2-[(N-苯乙酰基-脯氨酰)-氨基]-1,1-二甲基-乙基氨基}乙醇。