申请人:TAISHO PHARMACEUTICAL CO., LTD
公开号:EP1193246A1
公开(公告)日:2002-04-03
Aminobenzoic acid derivatives represented by Formula (1) as follows:
(wherein, R1 represents a hydrogen atom, a C1-6 alkyl group, or the like; R2 represents a hydrogen atom, a C1-6 alkyl group, or the like; R3 represents a C8-25 alkyl group, or the like; R4 represents a hydrogen atom or a group represented by OR9 or CO2R10 (wherein R9 and R10 represent a hydrogen atom or a C1-6 alkyl group); A represents a group represented by S(O)qR15 (wherein q is 0, 1, or 2, R15 represents a C1-6 alkyl group, a phenyl C1-3 alkyl group, or a group represented by (CH2)mOR16 (wherein m is 2 or 3, and R16 represents a hydrogen atom or a methoxymethyl group), or the like; X represents O, a single bond, CH=CH, or a group represented by NR27 (wherein R27 represents a hydrogen atom or a t-butoxycarbonyl group); Y represents O, CONH, NHCO, or a group represented by NR28 (wherein R28 represents a hydrogen atom or a t-butoxycarbonyl group); and n is an integer of 0 to 15) or pharmaceutically acceptable salts of the same are employed as VEGF receptor antagonists, and in particular as therapeutic agents for the diseases in which VEGF is involved.
由式(1)代表的氨基苯甲酸衍生物如下:
(其中,R1 代表氢原子、C1-6 烷基或类似物;R2 代表氢原子、C1-6 烷基或类似物;R3 代表 C8-25 烷基或类似物;R4 代表氢原子或由 OR9 或 CO2R10 所代表的基团(其中 R9 和 R10 代表氢原子或 C1-6 烷基);A 代表由 S(O)qR15(其中 q 是 0、1 或 2,R15 代表 C1-6 烷基、苯基 C1-3 烷基或由(CH2)mOR16(其中 m 是 2 或 3,R16 代表氢原子或甲氧基甲基)代表的基团或类似基团)表示的基团;X代表O、单键、CH=CH或由NR27代表的基团(其中R27代表氢原子或叔丁氧羰基);Y代表O、CONH、NHCO或由NR28代表的基团(其中R28代表氢原子或叔丁氧羰基);以及n为0至15的整数)或其药学上可接受的盐被用作血管内皮生长因子受体拮抗剂,特别是用作血管内皮生长因子参与的疾病的治疗剂。