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US 5,977,389 AGranted
Naphthoquinone derivative
AssigneeMita Industrial Co., Ltd.
InventorsHideki Okada, Nobuko Akiba, Fumio Sugai
Life of this patent
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Abstract
The present invention provides a naphthoquinone derivative represented by the general formula (1): ##STR1## wherein R.sup.1 represents an aryl group which may have a substituent; and R.sup.2 represents an alkylene group which may have a substituent, an arylene group which may have a substituent, etc.
Claims5
A naphthoquinone derivative represented by the general formula (1):
- ##STR60## wherein R.sup.1 represents an aryl group which may have a substituent;
- and R.sup.2 represents an alkylene group which may have a substituent, an arylene group which may have a substituent, a group (i):
- ##STR61## (R.sup.3 represents an alkylene group which may have a substituent), or a group (ii) ##STR62##
Dependencies are inferred from the claim text.