The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 01, 2016

Filed:

Dec. 20, 2013
Applicant:

Korea Institute of Industrial Technology, Chungcheongnam-do, KR;

Inventors:

Yong Jin Kim, Chungcheongnam-do, KR;

Vivek Mishra, Chungcheongnam-do, KR;

Guang Meang Son, Daejeon, KR;

Jin Ku Cho, Gyeonggi-do, KR;

Baek Jin Kim, Chungcheongnam-do, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 263/04 (2006.01); C07D 263/22 (2006.01); C07C 269/04 (2006.01); C07C 273/18 (2006.01);
U.S. Cl.
CPC ...
C07D 263/22 (2013.01); C07C 269/04 (2013.01); C07C 273/1836 (2013.01); C07C 2101/14 (2013.01);
Abstract

The present disclosure relates to a method for preparing a disubstituted urea and carbamate compounds simultaneously through a one-pot reaction of an amine, carbon dioxide and an alkylene oxide compound in the presence of an ionic liquid-based complex catalyst system containing indium. In accordance with the present disclosure, a disubstituted urea and carbamate compounds can be prepared simultaneously at high yield. In addition, the ionic liquid-based catalyst containing indium according to the present disclosure is economical because it can be reused several times.


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