Derivatives of 2-aminobenzenesulphonic acid and of 2-aminobenzen

Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...

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514269, 514272, 514274, 514275, 514345, 514348, 514349, 514350, 514351, 514352, 514354, 514356, 514357, 514365, 514369, 514370, 514371, 514438, 514445, 514446, 514447, 514448, 514461, 514473, 544301, 544311, 544321, 544323, 544325, 544327, 544332, 544334, 544335, 546290, 546296, 546297, 546298, 546299, 546300, 548182, 548183, 548184, 548185, 548186, 548190, 548191, 548192, 548193, 548201, 548205, 549 62, 549 63, 549 64, 549 65, 549 68, 549 69, 549 71, 549 75, 585 24, 585 25, A61K 31505, A61K 3144, A61K 3142

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057123934

ABSTRACT:
The present invention provides a compound of formula (1) ##STR1## in which: R.sub.4 represents a hydrogen atom, a halogen atom or a nitro group;

REFERENCES:
patent: 2794833 (1957-06-01), Merian
patent: 3996221 (1976-12-01), Leng et al.
patent: 4066457 (1978-01-01), Panasik et al.
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