Quaternary ammonium salt catalyzed preparation of sulfonamides

Details Quaternary ammonium salt catalyzed preparation of sulfonamides Quaternary ammonium salt catalyzed preparation of sulfonamides

1978-06-02

1980-06-17

Robinson, Douglas W.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260556AR, C07C14372, C07C14384

Patent

active

042083486

ABSTRACT:
Mites and mite eggs are killed with an N-tetrachloroethylthio-substituted sulfonamide of the formula ##STR1## wherein R is alkyl, alkenyl, cycloalkyl or aryl, R.sup.1 is alkyl, alkenyl, cycloalkyl or aryl, and R.sup.2 is tetrachloroethyl, with the proviso that R and R.sup.1 are not both cycloalkyl or aryl prepared using an acid acceptor and a catalytic amount of a quaternary ammonium salt.

REFERENCES:
patent: 2779788 (1957-01-01), Gysin et al.
patent: 2779941 (1957-01-01), Gysin et al.
patent: 3178447 (1965-04-01), Kohn
patent: 3678017 (1972-07-01), Shelton et al.
patent: 3703500 (1972-11-01), Nast
patent: 3925555 (1975-12-01), Okunda et al.

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