Synthese de [14 C] ‐ sulfometuron methyle et de [14 C] ‐ metsulfuron methyle
- 1 June 1989
- journal article
- research article
- Published by Wiley in Journal of Labelled Compounds and Radiopharmaceuticals
- Vol. 27 (6) , 715-720
- https://doi.org/10.1002/jlcr.2580270615
Abstract
[[2‐14C] pyridimyl] sulfometuron methyl and [2‐14C) ‐ triazinyl] metsulfuron methyl, two sulfonylurea herbicides has been prepared by multistep synthesis. [2‐14C] 2‐amino‐4,6 dimethyl pyrimidine was obtained by two steps from [14C] guanidine and [2‐14C] 2‐amino‐4 methoxy‐4 methyl 1,3,5 triazine was obtained from [14C] cyanamide. The two herbicides were prepared by condensation of heterocycle with methyl‐2 (sulfonylisocyanate) benzoate.Keywords
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