Insecticidal N-substituted O-pyrazol-4-yl carbamates and use the

Details Insecticidal N-substituted O-pyrazol-4-yl carbamates and use the Insecticidal N-substituted O-pyrazol-4-yl carbamates and use the

1982-10-08

1985-04-23

Jiles, Henry R.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

548374, 548377, A01N 4356, C07D23114, C07D40312

Patent

active

045130000

ABSTRACT:
N-substituted O-pyrazol-4-yl carbamates of the general formula ##STR1## are new and are obtained when (a) a 4-hydroxy-pyrazole of the general formula ##STR2## is reacted with an N-sulphenylated carbamoyl halide of the formula ##STR3## or (b) a 4-hydroxy-pyrazole of formula (II) is reacted with an acylating agent of the general formula ##STR4## or (c) an O-pyrazol-4-yl carbamate of the general formula ##STR5## is reacted with a sulphenyl halide of the general formula

REFERENCES:
patent: 3857860 (1974-12-01), Kuhle et al.
patent: 4181734 (1980-01-01), D'Silva
patent: 4418073 (1983-11-01), Maurer et al.

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