4-Phenyl-1,2,3-thiadiazoles as herbicide extenders

Details 4-Phenyl-1,2,3-thiadiazoles as herbicide extenders 4-Phenyl-1,2,3-thiadiazoles as herbicide extenders

1982-06-01

1985-09-10

Gerstl, Robert

Chemistry: fertilizers

Processes and products

Forms or conditioning

71 92, 548127, A01N 4712, A01N 4382, C07D28506

Patent

active

045404291

ABSTRACT:
Herbicidally active thiolcarbamates are employed in combination with certain 4-phenyl-1,2,3-thiadiazoles having the formula ##STR1## in which R.sup.4 is selected from the group consisting of trifluoromethyl and ##STR2## in which R.sup.5 is selected from the group consisting of C.sub.1 -C.sub.3 alkyl, phenyl, and phenyl substituted with one or more members selected from the group consisting of halogen and trifluoromethyl. In a typical application, the 4-phenyl-1,2,3-thiadiazole is included in sufficient quantity to lessen the rate of soil degradation of the thiolcarbamate. As a result, the herbicidal effectiveness of the thiolcarbamate is enhanced and prolonged, rendering a single application of the herbicide effective over a longer period of time.

REFERENCES:
patent: 2913327 (1959-11-01), Tilles
patent: 3464999 (1969-09-01), Lemieux et al.
patent: 3940407 (1976-02-01), Muchowski
patent: 4253864 (1981-03-01), Kloek
patent: 4299616 (1981-10-01), Hyzak

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