| abstract |
Provided are novel oxothiazole and oxothiophene compounds having anti-inflammatory and antitumor effects. A compound of formula (I) or a salt thereof. Wherein X is O, C═O or S; Y is N or CH; R 2 and R 4 are each independently H, — (CH 2 ) p COOH, etc .; R 1 is each independently H, halo, C 6-10 aryl group or the like; p is 0 to 3, and n is 1 to 4. [Selection figure] None |