Process for preparing N,N-dialkylaniline salt of 5-acetyl-2-alky

Details Process for preparing N,N-dialkylaniline salt of 5-acetyl-2-alky Process for preparing N,N-dialkylaniline salt of 5-acetyl-2-alky

1988-03-25

1989-08-01

Evans, J. E.

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

Organic compounds

Sulfonic acids or salts thereof

564 88, C07C14338, C07C14378

Patent

active

048531588

ABSTRACT:
Process for preparing 2-alkyl-5-haloacetylbenzenesulfonamide represented by the general formula (1), ##STR1## (wherein R.sup.1 is an alkyl group having 1 to 5 carbon atoms; and X is a chlorine atom, bromine atom or iodine atom), characterized by halogenating a 5-acetyl-2-alkylbenzenesulfonamide represented by the general formula (2), ##STR2## (wherein R.sup.1 is the same as defined above) in a lower alcohol represented by the general formula (3),

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Fieser et al, "Reagents for Organic Synthesis", vol. 7, p. 34 (1982).
Wagner et al, "Synthetic Organic Chemistry", (1953), pp. 811, 821 and 822.
Suter, "The Organic Chemistry of Sulfur", (1944), pp. 197, 204, 224, 225, 384-387, 501 and 502.
Indian Journal of Chemistry, Section B, vol. 18B, No. 3, pp. 277-279 (1979).

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