3-(tetrazol-5-y1)-1-azaxanthones

Details 3-(tetrazol-5-y1)-1-azaxanthones 3-(tetrazol-5-y1)-1-azaxanthones

C - Chemistry, Metallurgy

07

D

260/276.2

C07D 491/04 (2006.01) C07D 311/22 (2006.01)

Patent

CA 1090344

3-(Tetrazol-5-yl)-1-Azaxanthones Abstract of the disclosure Novel 3-(tetrazol-5-yl)-1-azaxanthone and its deriva- tives, which are shown by the following formula Image wherein R1 is hydrogen, amino or hydroxyl; R2 is alkyl, alkoxy, halogen, nitro, carboxyl, hydroxyl, butadienylene (-CH=CH-CH=CH-) which forms a benzene ring with any adjacent carbon atoms or amino group which may be unsubstituted or substituted by at least one alkyl; and m is 0, 1 or 2; and their physiologically acceptable salts, are usable as effective medicines for preventing and/or treating allergic diseases.

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