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Sanofi Aventis France
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Roussel Uclaf SA
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Publication of ES250528A1publicationCriticalpatent/ES250528A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Procedure for the preparation of aromatic sulfones, of the general formula: R-SO2-R'' in which R and R'' represent identical or non-substituent-bearing aryl groups, especially characterized by reacting on a mixed anhydride, of formula general: R-SO2-O-SO2-O-R'''' in which R represents a non-substituted aryl group and R'''' a lower alcohol, an aromatic hydrocarbon substituted or not, preferably hot, and the Sulfone is isolated by precipitation in water. (Machine-translation by Google Translate, not legally binding)
ES0250528A1958-07-051959-07-04A procedure for the preparation of aromatic sulphones (Machine-translation by Google Translate, not legally binding)
ExpiredES250528A1
(en)