Quinazoline derivatives

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

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544293, C07D23986, A61K 31505

Patent

active

054750016

ABSTRACT:
The invention concerns quinazoline derivatives of the formula I ##STR1## wherein R.sup.1 includes hydroxy, amino, hydroxyamino, (1-4C)alkoxy, (1-4C)alkylamino and di-[(1-4C)alkyl]amino;
R.sup.3 is halogeno;
n is 1, 2 or 3 and R.sup.2 includes hydrogen, hydroxy, halogeno and (1-4C)alkyl;
or a pharmaceutically-acceptable salt thereof;
processes for their preparation; pharmaceutical compositions containing them; and the use of the receptor tyrosine kinase inhibitory properties of the compounds in the treatment of cancer.

REFERENCES:
patent: 4322420 (1982-03-01), Kobayashi et al.
patent: 4464375 (1984-08-01), Kobayashi et al.
Chemical Abstracts, vol. 95, No. 1, 6, Jul. 1981, p. 682, 7199a.
Iyer et al., Studies in Potential Amoebicides: . . . 8-Hydroxy(&8-Methoxy)-4-Quinazolones, J. Sci. Industri. Res., Jan. 1956, pp. 1-7.
Chemical Abstract 98, 89384x and Derwent Abstract 87077 E/41 of Japan 57-144266, Sep. 1982.
Chemical Abstract 92, 76445u, Li et al., Synthesis of shangrolin analogs as antimalarials, 1979.
Chemical Abstract 96, 122728w, Lin et al., Studies on antiarrythmics . . . , 1981.

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