Benzobisoxazinetetrones

Details Benzobisoxazinetetrones Benzobisoxazinetetrones

C - Chemistry, Metallurgy

07

D

260/243.26, 260/

C07D 498/04 (2006.01) C07D 513/04 (2006.01)

Patent

CA 1219264

ABSTRACT OF THE INVENTION New benzobisoxazinetetrones having anti-allergic activity are described. These benzobisoxazinetetrones are represented by the following formula: Image and pharmaceutically acceptable salts thereof, wherein: X and Y are independently O, S, NH, N-alkyl or N-aryl; R1 is H, lower alkyl, aryl, aralkyl, heterocyclic alkyl, alkoxyalkyl,: aminoalkyl or carboxyalkyl; R2 and R3 are independently H, OH, alkoxy, lower alkyl, aryl, aralkyl, halogen, trifluoromethyl, nitro, cyano, carboxy or sulfonamido useful in the treatment of allergies.

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