Revised constitution of Naphtol AS-LB
- 1 January 1969
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society C: Organic
- No. 11,p. 1518-1520
- https://doi.org/10.1039/j39690001518
Abstract
The 2-hydroxycarbazolecarboxylic acid used in the preparation of Naphtol AS-LB has been shown to be the 1-carboxylic acid and not the 3-carboxylic acid as assumed earlier. Naphtol AS-LB is therefore the p-chloro-anilide of 2-hydroxycarbazole-1-carboxylic acid.Keywords
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