C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 249/12 (2006.01) C07D 401/12 (2006.01) C07D 403/12 (2006.01) C07D 405/12 (2006.01) C07D 409/12 (2006.01) C07D 417/12 (2006.01)
Patent
CA 2329292
The present invention relates to a process for manufacturing sulfonylaminocarbonyl triazolinones and salts thereof, which are herbicidally active compounds, wherein the improvement comprises conducting the conversion reaction of the sulfonylaminocarbonyl triazolinone to a salt thereof under pH controlled conditions. In particular, this invention relates to the conversion of a substituted triazolinone to a sulfonylaminocarbonyl triazolinone, and without the isolation of this intermediate product, the sulfonylaminocarbonyl triazolinone is then converted to a salt thereof.
La présente invention concerne un processus de fabrication de triazolinones de sulfonylaminocarbonyle et de leurs sels, qui sont des composés herbicides actifs. L'amélioration consiste à mener la réaction de conversion du sulfonylaminocarbonyl triazolinone en son sel sous des conditions de pH contrôlées. En particulier, l'invention concerne la conversion d'un triazolinone de substitution en triazolinone de sulfonylaminocarbonyle, et sans l'isolation de ce produit intermédiaire, le triazolinone de sulfonylaminocarbonyle est ensuite converti en son sel.
Jelich Klaus
Prasad Vidyanatha A.
Corporation Bayer
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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