| abstract |
Described is a sulfonyl derivative represented by the following formula (I): n n n [wherein R 1 represents a hydrogen atom, a hydroxyl group, a nitro group or the like, R 2 and R 3 each independently represents a hydrogen atom, a halogen atom or the like, R 4 and R 5 each independently represents a hydrogen atom, a halogen atom or the like, Q 1 represents a saturated or unsaturated 5- or 6-membered cyclic hydrocarbon group which may be substituted, or the like, Q 2 represents a single bond, an oxygen atom or the like, Q 3 represents any one of the following groups: n n n T 1 represents a carbonyl group or the like, and X 1 and X 2 each independently represents a methine group or a nitrogen atom]; or salt thereof; or solvate thereof. The sulfonyl derivative, salt or solvate according to the present invention is novel as an excellent anticoagulant and it has strong FXa inhibitory action, rapidly exhibits sufficient and long-lasting anti-thrombus effects after oral administration and has less side effects. |