Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Patent
1982-10-22
1984-02-14
Trousof, Natalie
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
C07C10178
Patent
active
044318405
ABSTRACT:
Substituted 2-benzoylbenzoic acids, useful as intermediates for preparing valuable chromogenic phthalide compounds, are prepared by reacting certain substituted 3,3-diphenylphthalides with a lower alkanoic acid and water.
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Kannan Ramamurthi
Kassner James E.
Sterken Gordon J.
DuPont Paul E.
Scott Patricia M.
Sterling Drug Inc.
Trousof Natalie
Wyatt B. Woodrow
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