Bicyclic pyrimidine compounds and therapeutic use 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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C544S323000, C544S324000, C544S325000

Reexamination Certificate

active

06951866

ABSTRACT:
1. A pyrimidine derivative of the formula (1) or a salt thereof;has an inhibitory activity of production of Th2 type cytokines such as IL-4, IL-5, etc., and is useful as an therapeutic agent for allergic diseases, autoimmune diseases such as systemic lupus erythemathosus, etc., and acquired immunodeficiecy syndrome (AIDS) and so on.

REFERENCES:
patent: 3034954 (1962-05-01), Darlington
patent: 3185691 (1965-05-01), Pribyl et al.
patent: 3272811 (1966-09-01), Ohnacker et al.
patent: A 1152883 (1969-05-01), None
patent: A2-4235976 (1992-08-01), None
patent: WO 97/09325 (1997-03-01), None
Trantolo et al., CAPLUS Abstract 105:162 (1986).
Tani et al., CAPLUS Abstract 82:140173 (1975).
Elslager et al., Journal of Medicinal Chemistry, vol. 17, No. 1, pp. 75-100 (1974).
Modest et al., Chemical Abstract 63:5639f, (1965).
Ross et al., Chemical Abstract 54:6742b, (1960).

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