Quinazoline derivatives and pharmaceutical applications thereof

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Reexamination Certificate

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C544S285000, C544S105000, C564S042000

Reexamination Certificate

active

06867214

ABSTRACT:
A quinazoline derivative having formula (1) and a pharmaceutically acceptable salt thereof:wherein the ring A represents an aryl group,which derivative has a chymase inhibitory activity and suppresses the exacerbation of vascular permeability induced by chymase, and a pharmaceutical composition containing the same as an essential ingredient. These compounds are useful for treatment of allergic diseases, rheumatic diseases, and cardiac and circulatory system diseases which are due to the abnormal exacerbation of Angiotensin II production.

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patent: 9745400 (1997-12-01), None
Y. Liao, et al., “The chymase-angiotensin system in humans: Biochemistry, molecular biology and potential role in cardiovascular diseases”, Canadian Journal of Cardiology, vol. 11, No. Suppl. F., pp. 13F-19F.
S. Niwata et al., “Substituted 3-(Phenylsulfonyl)-1-phenylimidazolidine-2,4-dione Derivatives as Novel Nonpeptide Inhibitors of Human Heart Chymase”, Journal of Medicinal Chemistry, vol. 40, No. 14, 1997, pp. 2156-2163.

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