| 摘要 |
There is disclosed a compound of formula (A) wherein W is C-G or C-G' (G is optionally esterified carboxyl; and G' is halogen); X is oxygen, optionally oxidized sulfur or -(CH2)q- (q is 0 to 5); R is optionally substituted amino or heterocyclic group; the ring B is optionally substituted nitrogencontaining 5- to 7-membered ring; L is hydrogen, optionally substituted hydrocarbon residue, optionally substituted acyl, optionally substituted carbamoyl, optionally substituted thiocarbamoyl or optionally substituted sulfonyl, provided that, when W is C-G, L is hydrogen, optionally substituted acyl, optionally substituted carbamoyl, optionally substituted alkoxycarbonyl, optionally substituted thiocarbamoyl or optionally substituted sulfonyl; n is 0 or 1; the ring A may have a substituent. A process for producing the compound (A) and a pharmaceutical composition containing the compound (A) are also disclosed. The pharmaceutical composition is useful for an antiinflammatory drug, particularly, a drug for preventing or treating arthritis, a drug for inhibiting bone resorption, immunosuppressant or the like.
|
