Naphthyloxyacetic acid derivatives of the formula (I)
wherein R1 is H, alkyl, alkylene-(-COOH10, -OH, -CONR4R5, -CONR6-alkylene-OH, -NR4R5, -cyano or -tetrazolyl); A is single bond, alkylene, alkenylene, -S-alkylene, -O-alkylene; B is NR3CO, CONR3; and R2 is (1) alkyl, (2) alkenyl, (3) alkyl or alkenyl substituted by 1-3 of phenyl, cycloalkyl, naphthyl and heterocyclic ring containing nitrogen atom (said ring being substituted by 1-3 of alkyl, alkoxy and halogen etc.), (4) NR7R8 or (5) alkylene-NR7R8; and non-toxic salts and hydrates thereof can bind with the PGE2 receptor and are useful as PGE2 antagonists or agonists.
式 (I) 的
萘乙酸衍
生物
其中 R1 是 H、烷基、亚烷基(-COOH10、-OH、-CONR4R5、-CONR6-亚烷基-OH、-NR4R5、-
氰基或-
四唑基);A 是单键、亚烷基、烯基、-S-亚烷基、-O-亚烷基;B 是 NR3CO、CONR3;R2 是 (1) 烷基,(2) 烯基,(3) 被 1-3 个苯基、环烷基、
萘基和含氮原子的杂环取代的烷基或烯基(所述环被 1-3 个烷基、烷氧基和卤素等取代),(4) NR7CO,CONR3(4) NR7R8 或 (5) 亚烷基-NR7R8;以及它们的无毒盐和
水合物可与
PGE2 受体结合,可用作
PGE2 拮抗剂或激动剂。