ISOTRYPTOQUIVALINE DERIVATIVE, ITS PRODUCTION METHOD, AND ANTIINFLAMMATORY AGENT AND ANTIALLERGIC AGENT BOTH COMPRISING ISOTRYPTOQUIVALINE DERIVATIVE

摘要

PROBLEM TO BE SOLVED: To provide a new isotryptoquivaline derivative having an antiinflammatory effect and an antiallergic effect. SOLUTION: This new isotryptoquivaline derivative is represented by general formula (1) (wherein R1 is H or a 1-8C hydrocarbon group; R2 is H, an alkyl group or an ether group; and R3 is H, an alkyl group or an alkyl group having hydroxyl group substituent).