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Chemical synthesis using supercritical fluids
Introduction: introduction to SCF, history, recent trends basic physical properties, phase behaviour and solubility physical properties as related to chemical reactions. Experimental techniques -
Searching for green solvents
Academic research in the area of green solvents is focused on neither the industries that use solvents most nor the types of solvents that the research community believes have the best hope of
The reaction of 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) with carbon dioxide.
Spectroscopy of the reaction between DBU and CO(2) detects the rapid formation of the bicarbonate salt of DBU when wet DBU is exposed to CO( 2) and does not indicate that an isolable zwitterionic adduct between D BU and CO (2) forms either in the presence or the absence of water.
Green chemistry: Reversible nonpolar-to-polar solvent
A switchable solvents system that converts to an ionic liquid upon exposure to an atmosphere of carbon dioxide, and then reverts back to its non-ionic form when exposed to nitrogen or argon gas is created.
CO2-triggered switchable solvents, surfactants, and other materials
Waste CO2 at atmospheric pressure can be used to trigger dramatic changes in the properties of certain switchable materials. Compared to other triggers such as light, acids and oxidants, CO2 has the
A solvent having switchable hydrophilicity
A new kind of switchable solvent, a switchable-hydrophilicity solvent, is hydrophobic and has very low miscibility with water when in air but is hydrophilic and has complete miscibility with water
Solvatochromic parameters for solvents of interest in green chemistry
Solvatochromic data have been collected from the literature or newly measured for 83 molecular solvents, 18 switchable solvents, and 187 ionic liquids that have been cited in the green chemistry
Homogeneous Hydrogenation of Carbon Dioxide
Carbon dioxide (CO{sub 2}) is of the greatest interest as a C{sub 1} feedstock because of the vast amounts of carbon which exist in this form and because of the low cost of bulk CO{sub 2}. Currently,