C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
167/225, 260/273
C07D 401/04 (2006.01) C07D 215/18 (2006.01) C07D 215/36 (2006.01) C07D 215/54 (2006.01) C07D 471/04 (2006.01) C07D 491/056 (2006.01)
Patent
CA 1241001
ABSTRACT OF THE DISCLOSURE (1H-Tetrazol-5-yl)-2(1H)-quinolones useful as antiallergic agents are described herein. The com- pounds are prepared by the reaction of sodium azide and ammonium chloride with an appropriate 3-cyano-2(1H)- quinolinone. C-30048
449959
Merrell Dow Pharmaceuticals Inc.
Osler Hoskin & Harcourt Llp
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