A - Human Necessities – 01 – N
Patent
A - Human Necessities
01
N
260/452
A01N 47/24 (2006.01) A01N 37/18 (2006.01) A01N 41/12 (2006.01)
Patent
CA 1132596
- 1 - Case 5-12395/= Process for the production of bis-[0-(1-alkylthioethylimino)- N-methylcarbayl]-N,N'-sulfides Abstract A process for the production of bis-[0-(1-alkylthio- ethylimino)-N-methylcarbamyl]-N,N-sulfides of the formula I Image wherein R is a straight-chain or branched alkyl group of 1 to 5 carbon atoms, by reacting a 0-(1-alkylthioethylimino)- N-methylcarbamate of the formula Image wherein R is as defined above, in the presence of a base, with sulfur dichloride or sulfur monochloride in an inert solvent, which process comprises carrying out said reaction in the presence of 0.01 to 0.5 mole of a compound selected from the group consisting of N,N-dialkylformamides, each containing 1 to 4 carbon atoms in the alkyl moieties, N- methylpyrrolidone, dimethyl sulfoxide, phosphoric acid tris- N,N-dimethylamide and tetramethyl urea, per mole of 0-(1- alkylthioethylimino)-N-methylcarbamate of the formula II. - 2 - The bis-[0-(1-alkylthioethylimino)-N-methylcarbamyl]- N,N'-sulfides of the above formula possess insecticidal properties and are suitable in particular for controlling pests of cotton plants and bluebottles.
354086
Ledouble Jean-Pierre
Muller Klaus
Ag Ciba-Geigy
Fetherstonhaugh & Co.
LandOfFree
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