Abstract
According to the Green Chemistry principles, water is the first choice solvent to reduce chemical waste and environmental impact of chemical industry. Reaction in water can be improved when microwave irradiation is applied to a synthetic procedure due to the possibility to reach temperatures higher than the boiling point. This is especially true when reactions are carried out in superheated/ subcritical conditions (over 100 °C). In this paper, several synthetic procedures that use superheated or subcritical water as solvent in sealed vials under microwave irradiation as heating system, are reviewed. Noteworthy, the targets of these synthesis are valuable compounds of pharmaceutical interest.
Keywords: Green chemistry, Microwave, Subcritical, Superheated water.
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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