Reduction of tris(benzene-1,2-dithiolate)molybdenum(VI) by water. A functional mo-hydroxylase analogue system

Inorg Chem. 2005 Jun 13;44(12):4106-8. doi: 10.1021/ic0483242.

Abstract

Mo(VI)(S(2)C(6)H(4))(3) reacts cleanly and completely with H(2)O in THF to afford [H(3)O](+)[Mo(V)(S(2)C(6)H(4))(3)](-). Kinetic data were fit by the rate equation -d[Mo(VI)(S(2)C(6)H(4))(3)]/dt = k[Mo(VI)(S(2)C(6)H(4))(3)]/[H(3)O(+)], which is consistent with a coupled electron-proton transfer mechanism involving a coordinated H(2)O molecule. The Mo(VI)(S(2)C(6)H(4))(3) reduction is accelerated by the presence of PPh(3) and affords OPPh(3). (18)O isotope tracing shows that H(2)O is the source of oxygen transferred to PPh(3).

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Mixed Function Oxygenases / chemistry
  • Mixed Function Oxygenases / metabolism*
  • Models, Chemical
  • Molecular Structure
  • Molybdenum / chemistry*
  • Organometallic Compounds / chemistry*
  • Oxidation-Reduction
  • Water / chemistry

Substances

  • Organometallic Compounds
  • Water
  • Molybdenum
  • Mixed Function Oxygenases