Title:
ジアミン前駆体化合物の製造方法
Document Type and Number:
Japanese Patent JP6733552
Kind Code:
B2
Abstract:
To provide a novel method for producing a nitro compound which is a precursor compound for a diamine compound which is a starting material for a polyamic acid and/or a polyimide to be used as a liquid crystal aligning agent, etc. A method for producing a diamine precursor compound represented by the formula 3, which comprises reacting, in accordance with the reaction formula (1), a dinitro compound represented by the formula 1 and a compound represented by the formula 2 in the absence of a base, while discharging generated hydrogen chloride in the form of gas to the outside of the reaction system:
where R 1 is a monovalent organic group.
Inventors:
Masato Nagao
Application Number:
JP2016569484A
Publication Date:
August 05, 2020
Filing Date:
January 13, 2016
Export Citation:
Assignee:
Nissan Chemical Co., Ltd.
International Classes:
C07C201/12; C07C205/42
Domestic Patent References:
| JP2014006442A | ||||
| JP60025955A | ||||
| JP2008133262A | ||||
| JP2007204438A | ||||
| JP2005112764A |
Foreign References:
| WO2014208609A1 |
Other References:
Allen R. Banks et al,A Convenient Synthesis of Methacrylates,J. Org. Chem.,1977年,42(24),pp. 3965-3966
Attorney, Agent or Firm:
Kenji Izumina
Toshiharu Ogawa
Toshiharu Ogawa