Title:
3-(SUBSTITUTED AMINOMETHYL)-6-CHLOROPYRIDINE AND ITS PRODUCTION
Document Type and Number:
Japanese Patent JP3968136
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain a chloropyridine compound useful as a precursor for producing an agrochemical, especially an insecticide.
SOLUTION: This 3-(substituted aminomethyl)-6-chloropyridine is shown by formula I (R1 is an alkyl, an aryl, an aralkyl or an alkoxy; R2 is H, an alkyl, etc.) such as 3-benzylaminomethyl)-6-chloropyridine. The compound of formula I is obtained by treating a 3-(substituted aminomethyl)pyridine 1-oxide with 2-6mol equivalent organic base of the formula, R'R"R"'N (R', R" and R"' are each pyridine which may contain an alkyl, an aromatic group or a substituent group) and an equimolar to 5mol electrophilic reagent containing at least one chlorine atom preferably at -20°C to a room temperature for 1-6 hours and further reacting the treated substance with hydrogen chloride.
Inventors:
Tsutomu Inoue
Atsushi Takahashi
Imagawa Tsutomu
Kazuhiro Hatanaka
Atsushi Takahashi
Imagawa Tsutomu
Kazuhiro Hatanaka
Application Number:
JP25537696A
Publication Date:
August 29, 2007
Filing Date:
September 06, 1996
Export Citation:
Assignee:
Nippon Soda Co., Ltd.
International Classes:
C07D213/61; C07D213/89; (IPC1-7): C07D213/61; //C07D213/89
Domestic Patent References:
| JP8259539A | ||||
| JP8027112A | ||||
| JP5345760A | ||||
| JP6279410A | ||||
| JP5286936A | ||||
| JP8053417A |
Attorney, Agent or Firm:
Haruhito Oishi
Yasunori Matsuhashi
Yasunori Matsuhashi