Title:
METHOD FOR PRODUCING ISOCYANATE COMPOUND
Document Type and Number:
Japanese Patent JP2016196498
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a method for producing an isocyanate compound from an amine compound and a carbonate compound directly or continuously without requiring the isolation/purification of a carbamate compound that is generated as an intermediate.SOLUTION: The method for producing an isocyanate compound represented by general formula (3) is provided which comprises the steps of: (A) reacting a carbonate compound represented by general formula (1) in the presence of an enzyme; and (B) (B1) bringing the reaction product from step (A) into contact, in a liquid phase, with a catalyst that comprises at least one metal compound selected from the group consisting of an alkali metal compound and an alkali earth metal compound supported on a carrier, or (B2) bringing the reaction product from step (A) into contact, in a gas phase, with a catalyst that comprises at least one metal compound selected from the group consisting of an alkali metal compound and an alkali earth metal compound supported on a carrier and/or a porous silica.SELECTED DRAWING: None
Inventors:
MATSUSHITA TOSHIYUKI
HARADA TAKASHI
KAWAGUCHI TATSUYA
YAMAMOTO YOSHIFUMI
HARADA TAKASHI
KAWAGUCHI TATSUYA
YAMAMOTO YOSHIFUMI
Application Number:
JP2016137557A
Publication Date:
November 24, 2016
Filing Date:
July 12, 2016
Export Citation:
Assignee:
UBE INDUSTRIES
International Classes:
C07C263/04; B01J21/08; B01J23/02; B01J29/035; B01J35/10; C07C265/04; C07C265/14
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Attorney, Agent or Firm:
Patent business corporation Tsukuni