C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 273/00 (2006.01) C07C 275/70 (2006.01) C07B 61/00 (2006.01)
Patent
CA 2641542
Disclosed is an improved process for producing nitroisourea derivatives which is necessary for producing nitroguanidine derivatives having an insecticidal activity. Specifically disclosed is a process for producing nitroisourea derivatives represented by the following general formula (3), which is characterized in that nitroisourea derivatives represented by the following general formula (1) and amines represented by the following general formula (2) or a salt thereof are reacted in the presence of a catalytic amount of a hydrogen carbonate, (see formula 1) (see formula 2) (see formula 3)
La présente invention concerne un procédé amélioré de production d'un dérivé de nitro-iso-urée qui est nécessaire pour produire un dérivé de nitroguanidine possédant une activité insecticide. Cette invention concerne plus spécifiquement un procédé de production d'un dérivé de nirto-iso-urée représenté par la formule générale (3) ci-dessous, qui se caractérise en ce qu'un composé nitro-iso-urée représenté par la formule générale (1) ci-dessous et un amine représenté par la formule générale (2) ci-dessous ou un sel de celui-ci réagissent en présence d'une quantité catalytique d'un carbonate d'hydrogène.
Kamekawa Hisato
Katsuta Hiroyuki
Kohno Toshiyuki
Satoh Kenichi
Ura Daisuke
Mitsui Chemicals Inc.
Smart & Biggar
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