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Issue 6, 2016

Synthesis of carbamates from amines and N-tosylhydrazones under atmospheric pressure of carbon dioxide without an external base

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Abstract

The methodology for the synthesis of carbamates via the base-promoted coupling of carbon dioxide, amines, and N-tosylhydrazones using potassium carbonate as the base and the pressure of 4 MPa of carbon dioxide has been published by Jiang et al. (2015). We demonstrated that this method provides the desired carbamates under just 1 atm of carbon dioxide without the addition of a base promoter. Thus, carbamates were successfully synthesized under mild reaction conditions in moderate to high yields.

Graphical abstract: Synthesis of carbamates from amines and N-tosylhydrazones under atmospheric pressure of carbon dioxide without an external base

Supplementary files

Article information


Submitted
23 Mar 2016
Accepted
17 Apr 2016
First published
19 Apr 2016

Org. Chem. Front., 2016,3, 764-767
Article type
Research Article

Synthesis of carbamates from amines and N-tosylhydrazones under atmospheric pressure of carbon dioxide without an external base

J. Y. Hong, U. R. Seo and Y. K. Chung, Org. Chem. Front., 2016, 3, 764 DOI: 10.1039/C6QO00111D

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