Title:
ε−カプロラクタムの製造方法
Document Type and Number:
Japanese Patent JP6672792
Kind Code:
B2
Abstract:
A method for selective production of µ-caprolactam, wherein a substance inducible from a biomass resource is used as a material; the reaction process is short; ammonium sulfate is not produced as a by-product; and production of by-products is suppressed; is disclosed. The method for producing µ-caprolactam comprises the step of reacting a particular compound inducible from a biomass resource, such as ±-hydromuconic acid, 3-hydroxyadipic acid, or 3-hydroxyadipic acid-3,6-lactone, or a salt thereof with hydrogen or ammonia.
Inventors:
Masateru Ito
Daijiro Tsukamoto
Kenji Kawamura
Kohei Yamashita
Akahira Masato
Katsunari Yamada
Koji Yamauchi
Daijiro Tsukamoto
Kenji Kawamura
Kohei Yamashita
Akahira Masato
Katsunari Yamada
Koji Yamauchi
Application Number:
JP2015553332A
Publication Date:
March 25, 2020
Filing Date:
October 27, 2015
Export Citation:
Assignee:
TORAY INDUSTRIES,INC.
International Classes:
C07D201/08; C07D223/10
Domestic Patent References:
| JP2007509914A | ||||
| JP2012515795A | ||||
| JP57088148A | ||||
| JP53068768A |
Foreign References:
| WO2012141997A1 | ||||
| WO2013126250A1 |
Attorney, Agent or Firm:
Patent Service Corporation Tanigawa International Patent Office