| 摘要 |
FIELD: medicine, pharmaceutics. ^ SUBSTANCE: invention relates to compounds of general formula (I): where R1, R3 and R4 represent H; R2 represents halogen; each R5 and R6 independently represents H, C1-C6 alkyl R7 represents H, C1-C6 alkyl; R8 represents phenyl, naphthalinyl, thiazolyl, biphenyl, quinolinyl or quinoxalinyl, each of which can contain one or several substituents, selected from group, including halogen, C1-C6 alkyl, -O-(C1-C6 alkyl), C1-C6 halogenalkyl, -O- C1-C6 halogenalkyl, -SO2R11 or -OH; each R11 represents independently H, C1-C6 alkyl; on condition that R8 does not represent unsubstituted phenyl; R9 represents H, C1-C6 alkyl; or its pharmaceutically acceptable salt. ^ EFFECT: compounds I possess antagonistic activity with respect to PGD2 for receptor CRTH2, which makes it possible to use them in pharmaceutical composition used in treatment of a number of diseases. ^ 27 cl, 3 tbl, 1 dwg, 24 ex |
