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23 Aug 2004 The sulfonation of aromatic compounds are very important and many aromatic hydrocarbons have been sulfonated. The common methods for synthesis of sulfonic acids are employing oxidation of a thiol or a thioether with ether, sulfonation of Grignard and lithium reagents, nucleophilic aromatic substitution
This chapter deals with the direct replacement of the hydrogen atoms in aromatic hydrocarbons and their halogen derivatives by sulfonic acid, sulfonyl chloride, and sulfonyl ?uoride groups. These sulfonations are more convenient and much more commonly used than indirect synthetic methods such as those which involve
661.7.094.524.5. AROMATIC SULFONATION 25 *. Kinetics and mechanism of the sulfonation of fluoro-, bromo- ,and iodo-benzene in aqueous sulfaric acid,. BY. C. W. F. KORT AND H. CERFONTAIN ory for Organic, Chemistry .University pf,.Amster. Rates and isomer distributions have been determined for the sulfonation.
making detergent actives. The process is economically viable if a source for the HCl is available and if the product, which contains some residual chloride ion, is acceptable. Oleum and Sulfuric Acid Sulfonation Equipment. Oleum and sulfuric acid can be used to sulfonate aromatics and alcohols in either batch or continuous
23 Mar 2012 as those present in aromatics groups or alkenes in general. . for the sulfonation process, such as: Sulfuric acid, SO3 from stabilized liquid SO3, SO3 from 0Sulfa%201.pdf. Gutierrez, G. J., Mans, T. C., & Costa, L. J. (1988). Improved mathematical model for a falling sulfonation reactor. Ind. Eng. Chem.
[CONTRIBUTION FROM THE CHEMICAL LABORATORY. OF HARVARD. UNIVERSITY]. The Mechanism of the Sulfonation Process. B Y ARTHUR MICHAEL. AND NATHAN WEINER. The action of sulfuric acid, the anhydride and fuming sulfuric acid on olefinic and aromatic hy- drocarbons has been the subject of many re-.
Aromatic sulfonation is an organic reaction in which a hydrogen atom on an arene is replaced by a sulfonic acid functional group in an electrophilic aromatic substitution. Aryl sulfonic acids are used as detergents, dye, and drugs. Contents. [hide]. 1 Stoichiometry and mechanism; 2 Specialized sulfonation methods. 2.1 Piria
Ch17 Reactions of Aromatic Compounds (landscape).docx Page9. Desulfonation. The sulfonation reaction is reversible, and a sulfonic acid group may be removed (i.e. replaced by hydrogen) from the aromatic ring by heating in dilute sulfuric acid. (Often just steam is used for this reaction). The mechanism for desulfonation
A novel method for sulfonation of aromatic rings with silica sulfuric acid. Conventional methods for sulfonation of aromatic compounds. Newer greener method. Sulfonic acids are often in equilibrium with sulfones as a by- product. Sulfones are not produced at all. Sulphuric acid causes destruction of acid sensitive functional
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