Title:
METHOD FOR PRODUCTION OF 5-IODO-2-METHYLBENZOIC ACID
Document Type and Number:
Japanese Patent JP2005023053
Kind Code:
A
Abstract:
To provide an extremely efficient industrial production means for producing high quality 5-iodo-2-methylbenzoic acid by iodizing 2-methylbenzoic acid of raw material with a simple process in a high yield without wasting a raw material iodine.
This industrial production means comprises having, as essential processes, a process for iodizing 5-iodo-2-methylbenzoic acid in the presence of a microporous compound, iodine, an oxidizing agent and a dehydrating agent and a precipitation process for precipitating the obtained product by cooling or adding water.
Inventors:
YOSHIMURA TAKASHI
FUSHIMI NORIO
HIDAKA TOSHIO
FUSHIMI NORIO
HIDAKA TOSHIO
Application Number:
JP2003270652A
Publication Date:
January 27, 2005
Filing Date:
July 03, 2003
Export Citation:
Assignee:
MITSUBISHI GAS CHEMICAL CO
International Classes:
C07C51/43; C07B61/00; C07C51/363; C07C63/70; (IPC1-7): C07C51/43; C07C51/363; C07C63/70
Attorney, Agent or Firm:
Takashi Nagai