Thiolcarbamates

Details Thiolcarbamates Thiolcarbamates

A - Human Necessities

01

N

71/10, 260/467.6

A01N 25/00 (2006.01) C07C 155/03 (1980.01)

Patent

CA 1043805

ABSTRACT OF THE DISCLOSURE: New substituted N-cyclohexylthiolcarbamates of the formula Image , where R1 denotes alkyl, alkenyl or alkynyl of 1 to 4 carbon atoms, R2 denotes an alkyl radical of 1 to 4 carbon atoms or benzyl optionally substituted by halogen, X denotes methyl and/or ethyl and/or propyl and/or isopropyl, and m denotes one of the integers 1 and 2, are prepared by reacting a thiol chloroformate with a substituted N-cyclohexylamine of the formula Image , wherein R1, X and m have the aforesaid meanings. the thiolcarbamates of the invention have, compared with the prior art compounds, better compatibility with crop plants, especially Beta vulgaris, and a better herbicidal action when used preemergence on Panicum, Poa and Digitaria species and when used postemergence on Echinochloa crus-galli, Lolium species, Avena fatua and Alipecurus myosuroides. The new compounds also have a lower vapor pressure.

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