Sulfonating agent and sulfonation process

Details Sulfonating agent and sulfonation process Sulfonating agent and sulfonation process

1994-09-06

1997-01-21

Reamer, James H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Sulfonic acids or salts thereof

562 45, 562 58, 562 91, 552221, C07C30302

Patent

active

055961282

ABSTRACT:
A sulfonating agent represented by the general formula ##STR1## wherein the groups R.sup.1 are the same or different and are each a lower alkyl group having 1 to 3 carbon atoms, n is an integer of 3, 4 or 5, m is an integer of 1 or 2, and n+m.ltoreq.6, and a process for sulfonating an aromatic compound with use of the sulfonating agent.

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Recueil Des Travaux Chimiques Des Pays-Bas, vol. 109, Feb. 1990, Den Haag NL pp. 41-45. H. Cerfontain et al "Acid-catalyzed transfer sulfonation of anisole using overcrowded polymethylbenzenesulfonic acids".
Annales De Chimie -Science Des Materiaux, vol. 4, No. 6, 1969, Paris FR, pp. 497-514. H. Zamarlik "Transsulfonation des amines aromatiques".
Supplementary European Search Report dated Feb. 5, 1993.

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