Aminonaphthacene derivatives and their use
AssigneeSumitomo Chemical Company, Limited
InventorsKikuo Ishizumi, Naohito Ohashi, Michihisa Muramatsu
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Abstract
Aminonaphthacene derivatives of the formula: ##STR1## wherein A is either one of the following groups: ##STR2## wherein R.sup.1 is a hydrogen atom or a group of the formula: --COR.sup.7, R.sup.2 and R.sup.3 are each a lower alkoxy group or, when taken together, represent an ethylenedioxy group or an oxo group, R.sup.4 and R.sup.5 are both hydrogen atoms or either one of them is a hydrogen atom and the other is a group of the formula: --COR.sup.7, R.sup.6 is a hydrogen atom, a hydroxyl group or a group of the formula: --OCOR.sup.7 and R.sup.7 is a lower alkyl group, a halo(lower)alkyl group, a phenyl group or a halophenyl group, which are useful as anti-microbial and/or anti-tumor agents, or as intermediates in their production.
Claims7
A compound of the formula:
- ##STR9## wherein A is the group:
- ##STR10## wherein R.sup.1 is a hydrogen atom or a group of the formula:
- --COR.sup.7, R.sup.2 and R.sup.3 are each a lower alkoxy group or, when taken together, represent an ethylenedioxy group or an oxo group, R.sup.4 and R.sup.5 are both hydrogen atoms or either one of them is a hydrogen atom and the other is a group of the formula:
- --COR.sup.7, R.sup.6 is a hydrogen atom, a hydroxyl group or a group of the formula:
- --OCOR.sup.7 and R.sup.7 is a lower alkyl group, a halo(lower)alkyl group, a phenyl group or a halophenyl group.
A compound of the formula:
- ##STR11## wherein A is a group of the formula:
- ##STR12## R.sup.1 is hydrogen, R.sup.2 and R.sup.3 represent oxo, R.sup.4 is hydrogen, R.sup.5 is hydrogen or .phi.COR.sup.7 where R.sup.7 is a lower alkyl group, a halo (lower) alkyl group, a phenyl group or a halophenyl group and R.sup.6 is hydroxyl.
Dependencies are inferred from the claim text.