Pyrimido[5,4-B][1,4]oxazine derivatives and pharmaceutical compo

Details Pyrimido[5,4-B][1,4]oxazine derivatives and pharmaceutical compo Pyrimido[5,4-B][1,4]oxazine derivatives and pharmaceutical compo

1986-12-30

1988-05-31

Raymond, Richard L.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

544 73, 544105, A61K 31535, C07D49804

Patent

active

047481757

ABSTRACT:
The invention relates to novel pyrimido [5,4-b][1,4]oxazine derivatives of the formula (I), and the acid addition salts thereof, pharmaceutical compositions containing them and a process for their preparation. In the formula (I) ##STR1## wherein R.sup.1 stands for a C.sub.1-4 alkyl group;

REFERENCES:
Sazonov et al., Khim, Geterotsikl. Soedin., vol. 2 (1973) pp. 171-174.
Sazonov et al., Khim. Geterotsikl. Soedin, vol. 5 (1976) pp. 681-685.
Oda et al., Yakugaku Zasshi, vol. 93, No. 6 (1973) pp. 817-821.
Ito et al., Chem. Pharm. Bull., vol. 24, No. 6 (1976) pp. 1189-1196.
Sazonov et al., Khim. Geterotsikl. Soed., No. 9 (1972) pp. 1285-1288.
Sazonov et al., Khim. Geterotsikl. Soed., No. 12 (1973) pp. 1694-1696.
Sazonov et al., Khim. Geterotsikl. Soed., No. 3 (1978) pp. 391-396.
Sazonov et al., Chemical Abstracts, vol. 78 (1973) 124532e.
Sazonov et al., Chemical Abstracts, vol. 85 (1976) 108598v.
Oda et al., Chemical Abstracts, vol. 79 (1973) 66309v.
Ito et al., Chemical Abstracts, vol. 85 (1976) 123858y.

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