Studies on HPA Catalyzing the Reactions for Sulfonating Aromatic Hydrocarbons to Aryl Sul phone by Means of Variable Temperature 1H NMR

Chem. J. Chinese Universities ›› 1992, Vol. 13 ›› Issue (6): 828.

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Studies on HPA Catalyzing the Reactions for Sulfonating Aromatic Hydrocarbons to Aryl Sul phone by Means of Variable Temperature ₁H NMR

WU Tong-hao, HUA Shi-ying, LI Yong-guo

Department of Chemistry, Jilia University, Changchun, 130023

Received:1991-06-26 Online:1992-06-24 Published:1992-06-24

Abstract

Abstract: In this article, the interaction between HPA catalyst and arenesulfonic acid is studied by means of variable-temperature ¹H NMR.The mechanism of HPA catalyzing the reactions for sulfonating aromatic compounds to aryl sulphone is proposed.The proton from HPA plays a main role in these reactions and HPAN has influence over the reaction rate and selectivity.

Key words: Variable-temperature₁H NMR, Heteropoly acid, Aromatic, Hydrocarbon, Sulfonation, Aryl Sulphone

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WU Tong-hao, HUA Shi-ying, LI Yong-guo . Studies on HPA Catalyzing the Reactions for Sulfonating Aromatic Hydrocarbons to Aryl Sul phone by Means of Variable Temperature ₁H NMR[J]. Chem. J. Chinese Universities, 1992, 13(6): 828.

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Studies on HPA Catalyzing the Reactions for Sulfonating Aromatic Hydrocarbons to Aryl Sul phone by Means of Variable Temperature ₁H NMR

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