Title:
【発明の名称】2―クロロ―4―フルオロフェノールの製造方法
Document Type and Number:
Japanese Patent JP2897833
Kind Code:
B2
Abstract:
A process is disclosed for preparing 2-chloro-4-fluorophenol which comprises chlorinating 4-fluorophenol with a chlorinating agent in the presence of water. The process according to the present invention has advantages in that the chlorination can be carried out using inexpensive reagents without requiring the use of particular apparatus and under mild conditions, and the desired product can be obtained in good yields and with high selectivity. 2-Chloro-4-fluorophenol obtained in the present invention is useful as a starting material for producing various pharmaceutical agents and agricultural agents.
Inventors:
HIRAI KENJI
YAMASHITA MITSUO
YAMASHITA MITSUO
Application Number:
JP23477489A
Publication Date:
May 31, 1999
Filing Date:
September 12, 1989
Export Citation:
Assignee:
SAGAMI CHUO KAGAKU KENKYUSHO
International Classes:
C07C37/62; C07C39/27; (IPC1-7): C07C39/27; C07C37/62
Domestic Patent References:
| JP60193939A | ||||
| JP62223140A | ||||
| JP6447728A | ||||
| JP5444603A | ||||
| JP5925344A | ||||
| JP4959783A |