Green Process for the Production of 4-(β-sulfotaethylsulfone)-N-Ethyl-Aniline

Zhuan Wang; Song Xu; Wan Peng Hu; Ya Jie Xie

doi:10.4028/www.scientific.net/AMR.718-720.141

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 718-720Green Process for the Production of...

Green Process for the Production of 4-(β-sulfotaethylsulfone)-N-Ethyl-Aniline

Abstract:

4-(β-sulfatoethylsulfone)-N-ethyl-aniline was synthesized from 4-(β-hydroxyethyl-sulfonyl)-N-ethyl-aniline in the presence of sulfuric acid using toluene and N,N-dimethyl-dodecylamine as mix solvent. The product was efficiently precipitated from the reaction mixture by addition of a sufficient amount of acetone. Several influencing factors on the esterification were investigated, and the results show that, the optimal conditions were: the molar ratio of 4-(β-hydroxyethylsulfonyl)- N-ethyl-aniline, N,N-dimethyl-dodecylamine and sulfuric acid was 1:1:1.5, the dosage of toluene 800 mL per molar 4-(β-hydroxyethylsulfonyl)- N-ethyl-aniline, and the esterification was taken for 9 hours under reflux. Under the optimal conditions, total yield of the product was 85% with the purity of 97%. It was also found that the yield of product can be promoted up to 90 % by using the recycled solvent. The structure of product was characterized by MS.

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Periodical:

Advanced Materials Research (Volumes 718-720)

Pages:

141-145

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.718-720.141

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Online since:

July 2013

Authors:

Zhuan Wang, Song Xu, Wan Peng Hu, Ya Jie Xie

Keywords:

4-(β-hydroxyethylsulfonyl)-N-Ethyl-Aniline, 4-(β-sulfatoethylsulfone)-N-Ethyl-Aniline, Esterification, N,N-Dimethyl-Dodecylamine, Organic Solvent

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