Title:
トルエンジカルバメートの製造方法、トルエンジイソシアネートの製造方法、および、トルエンジカルバメート
Document Type and Number:
Japanese Patent JP5518605
Kind Code:
B2
Abstract:
A method for producing toluenedicarbamate includes a carbamate production process of producing toluenedicarbamate by reaction between toluenediamine, urea, and/or N-unsubstituted carbamic acid ester, and alcohol; and a benzoyleneurea reduction process of reducing a disubstituted benzoyleneurea and a derivative thereof to 10 mol or less relative to 100 mol of toluenedicarbamate, wherein the disubstituted benzoyleneurea is represented by formula (1) below and has a methyl group and an amino group:
Inventors:
Koichi Murayama
Shimokawa floor Shojo
Kan Kanno
Koji Takamatsu
Hiroshi Takeuchi
Yuuki Sasaki
Yasushi Kotaki
Shimokawa floor Shojo
Kan Kanno
Koji Takamatsu
Hiroshi Takeuchi
Yuuki Sasaki
Yasushi Kotaki
Application Number:
JP2010154825A
Publication Date:
June 11, 2014
Filing Date:
July 07, 2010
Export Citation:
Assignee:
Mitsui Chemicals, Inc.
International Classes:
C07C269/04; C07C263/04; C07C265/14; C07C271/28; C07B61/00
Domestic Patent References:
| JP56103152A | ||||
| JP57114561A | ||||
| JP4018064A |
Attorney, Agent or Firm:
Hiroyuki Okamoto