1,2,3-Thiadiazole-5-yl-urea derivatives, processes for their use

Details 1,2,3-Thiadiazole-5-yl-urea derivatives, processes for their use 1,2,3-Thiadiazole-5-yl-urea derivatives, processes for their use

1982-09-27

1985-01-01

Gerstl, Robert

Chemistry: fertilizers

Processes and products

Forms or conditioning

548127, C07D28506, A01N 4382

Patent

active

044914660

ABSTRACT:
New 1,2,3-thiadiazole-5-yl-urea derivatives of the formula ##STR1## wherein R.sub.1 is hydrogen or a C.sub.1 -C.sub.4 alkyl group which may be interrupted by one or more sulfur or oxygen atoms, R.sub.2 is a C.sub.1 -C.sub.4 alkyl which may be interrupted by one or more sulfur or oxygen atoms, a cycloaliphatic hydrocarbon group which may be substituted by one or more alkyl groups, an aromatic hydrocarbon group which may be substituted by one or more members of the group consisting of alkyl, halogen, alkyl thio, alkoxy, trifluoromethyl and nitro, or a heterocyclic hydrocarbon group which may be substituted containing at least one nitrogen atom, R.sub.3 is hydrogen, a C.sub.1 -C.sub.10 alkyl group which may be substituted, a C.sub.2 -C.sub.8 alkenyl, an aryl-C.sub.1 -C.sub.2 alkyl, a C.sub.3 -C.sub.8 -cycloaliphatic hydrocarbon group which may be substituted with one or more C.sub.1 -C.sub.6 alkyl groups, and an aromatic hydrocarbon group which may be substituted with one or more members of the group consisting of C.sub.1 -C.sub.6 alkyl, halogen, C.sub.1 -C.sub.6 -alkoxy and trifluoromethyl, and X is oxygen or sulfur. Processes for making these compounds, compositions containing these compounds having plant growth regulating and defoliating activity and methods for using these compounds for these purposes are also disclosed and claimed in the application.

REFERENCES:
patent: 3883547 (1975-05-01), Schulz et al.
patent: 4181517 (1980-01-01), Kruger et al.
patent: 4259502 (1981-03-01), Kruger
patent: 4358596 (1982-11-01), Kruger

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