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US 4,233,237 AGranted
2-Alkoxyalkoxy-5-aminobenzenesulfonic acid
AssigneeFuji Photo Film Co., Ltd.
InventorsTooru Harada, Shinsaku Fujita
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Abstract
A 2-alkoxyalkoxy-5-aminobenzenesulfonic acid represented by the following general formula (I): ##STR1## wherein R.sup.1 represents an alkylene group having 2 or more carbon atoms; and R.sup.2 represents an alkyl group. The compound can be used as an intermediate in the production of a dye releasing redox compound.
Claims9
A compound of the formula:
- ##STR62## wherein R.sup.1 represents an alkylene group having 2 or more carbon atoms and R.sup.2 represents an alkyl group provided that the two oxygen atoms in the --O--R.sup.1 --O--R.sup.2 moiety are not connected to the same carbon atom in R.sup.1.
Dependencies are inferred from the claim text.