NEW OLEANANE-BASED TRITERPENE DERIVATIVE, METHOD FOR PRODUCING THE SAME DERIVATIVE, RAW MATERIAL, MEDICINAL COMPOSITION, ANTI-INFLAMMATORY AGENT AND PROSTAGLANDIN E2 PRODUCTION INHIBITOR EACH CONTAINING THE SAME DERIVATIVE AS ACTIVE INGREDIENT

摘要

PROBLEM TO BE SOLVED: To provide oleanane-based triterpene derivative having anti-inflammatory action. SOLUTION: The present invention provides an oleanane-based triterpene derivative represented by general formula (I) to (III) or its pharmaceutically acceptable salt, a method for producing the derivative, a raw materials for derivative and a medicinal composition, an anti-inflammatory agent and prostaglandin E2production inhibitor each comprising the derivative as an active ingredient. COPYRIGHT: (C)2004,JPO&NCIPI