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Title:
METHOD FOR PRODUCING 4-NITROSOANILINE
Document Type and Number:
Japanese Patent JP3296487
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide an economic method for producing 4-nitrosoaniline, using inexpensive urea and nitrobenzene as raw materials, shortening a reaction time and a process, not producing a reaction waste harmful to the environment as a by-product.
SOLUTION: Urea is reacted with nitrobenzene in the presence of a base in a polar organic solvent at a normal temperature to 150°C to produce 4- nitrosoaniline.


Inventors:
Joe Yun Jee
Kim Jin-Eok
Won Jeon-Im
Hang Kun-We
Application Number:
JP2000133431A
Publication Date:
July 02, 2002
Filing Date:
May 02, 2000
Export Citation:
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Assignee:
Corea Khunho Petrochemical Company Limited
International Classes:
C07C209/02; C07B61/00; C07C209/00; C07C211/52; (IPC1-7): C07C209/02; C07C211/52
Domestic Patent References:
JP859571A
JP2000256282A
JP5214731A
Attorney, Agent or Firm:
Yoshihiro Kodama