Abstract
Organic carbamates classically have been synthesized starting from amines using harmful and toxic reagents, like phosgene or its derivatives, and carbon monoxide. Recently, carbon dioxide was used as a cheap and harmless reagent for the synthesis of organic carbamates in the gaseous or supercritical state, or in an electrochemical process as an alternative to the harmful and toxic reagents. The present review will deal with the extensive use of carbon dioxide in the synthesis of organic carbamates.
Keywords: Gaseous Carbon Dioxide, urethanes, tetra-n-alkylammonium halides, chiral carbamate esters, regioselectivity
Call for Papers in Thematic Issues
Catalytic C-H bond activation as a tool for functionalization of heterocycles
The major topic is the functionalization of heterocycles through catalyzed C-H bond activation. The strategies based on C-H activation not only provide straightforward formation of C-C or C-X bonds but, more importantly, allow for the avoidance of pre-functionalization of one or two of the cross-coupling partners. The beneficial impact of ...read more
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