Organic Dyes
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ChemInform Abstract: Synthesis of Novel Analogs of Phthalein Dyes with a Chiral Carbon Atom.
First published: January 23, 1990
Abstract
Acid-catalyzed reaction of the 2-aroyl-3-nitrobenzoic acids (I) with polyhydroxyarenes such as (II) yields the analogs (III) of phthalein dyes.
ChemInform Abstract
Acid-catalyzed reaction of the 2-aroyl-3-nitrobenzoic acids (I) with polyhydroxyarenes such as (II) yields the analogs (III) of phthalein dyes. These are subjected to some modifications such as acetylation and bromination. Further examples are given in the original paper.
