申请人:Taisho Pharmaceutical Co., Ltd.
公开号:US06720424B1
公开(公告)日:2004-04-13
Aminobenzoic acid derivatives represented by Formula (1) as follows:
(wherein, R1 represents a hydrogen atom, a C1-6alkyl group, or the like; R2 represents a hydrogen atom, a C1-6alkyl group, or the like; R3 represents a C8-25alkyl 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 C1-6alkyl group, a phenyl C1-3alkyl 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.
以下是公式(1)所代表的氨基苯甲酸衍生物:(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S(O)qR15所代表的基团(其中,q为0、1或2,R15代表C1-6烷基,苯基C1-3烷基或(CH2)mOR16所代表的基团(其中,m为2或3,R16代表氢原子或甲氧甲基基团)或类似物;X代表O、单键、CH═CH或NR27所代表的基团(其中,R27代表氢原子或叔丁氧羰基基团);Y代表O、CONH、NHCO或NR28所代表的基团(其中,R28代表氢原子或叔丁氧羰基基团);n为0至15的整数)或其药学上可接受的盐可用作VEGF受体拮抗剂,特别是用于VEGF参与的疾病的治疗剂。