C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/474.2
C07C 311/15 (2006.01)
Patent
CA 1248128
Title PREPARATION OF o-CARBOETHOXYBENZENE SULFONAMIDE Abstract of the Disclosure Saccharin is reacted with ethanol and concentra- ted sulfuric acid. Sodium acetate is used to remove saccharin from the crude material so that highly pure o-carboethoxybenzene sulfonamide is recovered.
507841
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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