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 2641544
Disclosed is an industrially advantageous process for producing O-methyl-N-nitroisourea. Disclosed is a process for obtaining O-methyl-N-nitroisourea represented by the following chemical formula (1) or a salt thereof in a high yield by performing the nitration of O-methylisourea represented by the following chemical formula (2) or a salt thereof with nitrating agents in the presence of fuming sulfuric acid. (see formula 2) (see formula 1)
L'invention concerne un procédé industriellement avantageux de fabrication de O-méthyl-N-nitroisourée. La O-méthyl-N-nitroisourée de formule (1) ou un de ses sels peut être obtenue avec un rendement élevé par nitration de O-méthylisourée de formule (2) ou d'un de ses sels avec un agent nitrant en présence d'acide sulfurique fumant.
Katsuta Hiroyuki
Takahashi Kiyoshi
Mitsui Chemicals Inc.
Smart & Biggar
LandOfFree
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