Selective hydrothermal reductions using geomimicry?

Green Chemistry Pub Date: 2019-07-04 DOI: 10.1039/C9GC00636B

Abstract

Reduction of carbon–carbon π-bonds has been demonstrated using iron powder as the reductant and simple powdered nickel as the catalyst in water as the solvent at 250 °C and the saturated water vapor pressure, 40 bars. Stereochemical, kinetic and electronic probes of the mechanism suggest reaction via a conventional Horiuti–Polyani process for hydrogenation at the nickel metal surface. Selective reduction of carbon–carbon π-bonds is observed in the presence of other functional groups. The reactions use benign and Earth-abundant reagents that are at low depletion risk and take place in water as the only solvent under conditions that are characteristic of many geochemical processes.

Graphical abstract: Selective hydrothermal reductions using geomimicry
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