1-(Substituted-hydrocarbyl)-di- and trihalopyrazoles

Details 1-(Substituted-hydrocarbyl)-di- and trihalopyrazoles 1-(Substituted-hydrocarbyl)-di- and trihalopyrazoles

1976-01-23

1978-05-16

Trousof, Natalie

Chemistry: fertilizers

Processes and products

Forms or conditioning

71 90, 2602937, 544 60, 544140, 548374, 548376, 544371, C07D23116, A01N 922

Patent

active

040896722

ABSTRACT:
Certain new 1-(substituted-hydrocarbyl)-di- and trihalopyrazoles have been synthesized. They possess herbicidal and plant growth regulatory activity. The hydrocarbyl group, i.e., alkylene or alkenylene group at the 1-nitrogen of the pyrazole nucleus has either a carboxyl group, an hydroxymethyl group, an hydroxymethyl lower-alkanoate group a carboxylic lower-alkyl ester group a cyano group or a carboxylic amide group. The new compounds are prepared and isolated by conventional chemical reactions and procedures. An improved reaction for making the new carboxylic acids is described. Weed control methods and compositions for herbicidal use are also described.

REFERENCES:
patent: 3849106 (1974-11-01), Kornis et al.
Wright et al., J. Med. Chem. 7 (1), 102-105, 1964.
Talbert et al., Chemical Abstracts, vol. 76, 122780u., 1972.

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