C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/248.6
C07D 495/14 (2006.01) C07D 215/20 (2006.01) C07D 215/54 (2006.01) C07D 495/04 (2006.01) C07D 495/22 (2006.01)
Patent
CA 1227484
ABSTRACT OF THE DISCLOSURE Substituted 1,2,3-triazino[4',5':4,5]thieno[2,3- b]quinolin-4(3H)-ones useful as antiallergic agents are described herein. The compounds are prepared by the reaction of an appropriate substituted 3-aminothieno- [2,3-b]quinoline-2-carboxamide with sodium nitrite in an acid such as acetic acid.
454704
Mccarthy James R.
Widner Paul J.
Merrell Dow Pharmaceuticals Inc.
Osler Hoskin & Harcourt Llp
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