Abstract
At elevated temp., several properties of water are strongly altered compared to what our daily experience tells us: the dielec. const. of water, for example, is reduced, so that water can more easily solubilize org. mols. In addn., the self-dissocn. const. of water is increased (by three orders of magnitude at 250 °C), thus favoring H+- and OH--catalyzed reactions. Surprisingly, while ...
Abstract
At elevated temp., several properties of water are strongly altered compared to what our daily experience tells us: the dielec. const. of water, for example, is reduced, so that water can more easily solubilize org. mols. In addn., the self-dissocn. const. of water is increased (by three orders of magnitude at 250 °C), thus favoring H+- and OH--catalyzed reactions. Surprisingly, while room-temp. water and supercrit. water (SCW) are well known for promoting org. reactions, the middle temp. range still remains largely unexplored. Therefore, this contribution aims at giving an overview of org. reactions that may be promoted by superheated water.
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