Title:
PROCESS FOR PRODUCING 3-NITRO-o-TOLUIC ACID
Document Type and Number:
WIPO Patent Application WO/1998/035932
Kind Code:
A1
Abstract:
A process for producing 3-nitro-o-toluic acid which comprises oxidizing 3-nitro-o-xylene with oxygen or an oxygenic gas in a solvent based on a lower aliphatic carboxylic acid in the presence of a heavy metal catalyst and a reaction accelerator. This process can provide 3-nitro-o-toluic acid highly selectively.
Inventors:
ISHINO YOSHIO (JP)
ONO TOSHINOBU (JP)
SURUGA TOSHIHIDE (JP)
SHIBAMOTO NOBUYORI (JP)
ONO TOSHINOBU (JP)
SURUGA TOSHIHIDE (JP)
SHIBAMOTO NOBUYORI (JP)
Application Number:
PCT/JP1998/000353
Publication Date:
August 20, 1998
Filing Date:
January 29, 1998
Export Citation:
Assignee:
SUGAI CHEMICAL IND CO LTD (JP)
OSAKA SHI (JP)
ISHINO YOSHIO (JP)
ONO TOSHINOBU (JP)
SURUGA TOSHIHIDE (JP)
SHIBAMOTO NOBUYORI (JP)
OSAKA SHI (JP)
ISHINO YOSHIO (JP)
ONO TOSHINOBU (JP)
SURUGA TOSHIHIDE (JP)
SHIBAMOTO NOBUYORI (JP)
International Classes:
B01J31/04; C07B61/00; C07C201/12; C07C205/57; (IPC1-7): C07C205/57; B01J31/04; B01J31/28; C07B61/00; C07C201/12
Foreign References:
| US4065477A | 1977-12-27 | |||
| JPS5951242A | 1984-03-24 |
Attorney, Agent or Firm:
Hirose, Takayoshi (Kita-sangokan 6th floor 13-3, Nishitenma
5-chome, Kita-k, Osaka-shi Osaka 530, JP)
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