| 摘要 |
<p>Compounds that may have anti-inflammatory activity are of general formula wherein X is O or NR1; Y isOorNR1; R2 is OR1 or C,1-4 alkyl substituted with R3, and R2 is optionally substituted With R4; each R1 is the same or different and is H or C1-4 alkyl, or R1 and R2 are joined to form a four to seven-membered ring containing one or more additional heteroatoms selected from O, N and S, and is optionally substituted with R7; R3 is OR4, NR5R6 or a four to seven- embered ring which can contain .one or morte heteroatoms selected from O, N and S, and is optionally substituted with R7;R4 is H or C1-4 alkyl optionally substituted with OR8; R5 and R6 are the same or different and are each selected from H and C1-4 alkyl optionally substituted with OR8; R7 is C1-4 alkyl optionally substituted with OR8, halogen, CF3, NR5R6, or S(O)nR9 where n is 0-2; each R8 is H or C1-4 alkyl optionally substituted with halogen or OH; and R9 is C1-4 alkyl; and the salts, solvates and hydrates thereof.</p> |
