Title:
PROCESS FOR PRODUCING 4,6-DINITRORESORCINOL
Document Type and Number:
WIPO Patent Application WO/2002/055475
Kind Code:
A1
Abstract:
A process for producing 4,6-dinitroresorcinol, characterized by reacting a 1,3-dihalo-4,6-dinitrobenzene with a base in an aqueous medium in the presence of a metal catalyst to hydrolyze it and then acidifying. By the process, high-purity 4,6-dinitroresorcinol can be produced at a high percent by volume safely and easily in high yield.
Inventors:
SATO KOEI (JP)
KATO YASUHITO (JP)
TOMARU JUN-ICHIRO (JP)
FUJIMOTO MASAKI (JP)
KATO YASUHITO (JP)
TOMARU JUN-ICHIRO (JP)
FUJIMOTO MASAKI (JP)
Application Number:
PCT/JP2001/000158
Publication Date:
July 18, 2002
Filing Date:
January 12, 2001
Export Citation:
Assignee:
NIPPON KAYAKU KK (JP)
SATO KOEI (JP)
KATO YASUHITO (JP)
TOMARU JUN-ICHIRO (JP)
FUJIMOTO MASAKI (JP)
SATO KOEI (JP)
KATO YASUHITO (JP)
TOMARU JUN-ICHIRO (JP)
FUJIMOTO MASAKI (JP)
International Classes:
C07C205/23; (IPC1-7): C07C201/12; C07B61/00; C07C205/23
Foreign References:
| JPH07188118A | 1995-07-25 | |||
| JPS5553240A | 1980-04-18 | |||
| JPS474870A | ||||
| JPH07316102A | 1995-12-05 |
Other References:
SHADAN HOUJIN NIHON KAGAKUKAI ED.: "The 4th printing, jikken kagaku kouza 20; yuki gousei II-alcohol amine", MARUZEN, 1992, TOKYO, pages 120, XP002938054
Attorney, Agent or Firm:
Saeki, Norio (Taka-ai Building 15-2 Nihonbashi 3-chome Chuo-ku, Tokyo, JP)
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