Hydrogen Generation from Water upon CpMn(CO)3 Irradiation in a Hexane/Water Biphasic System
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Photolysis of CpMn(CO)3 in a hexane/water biphasic system has been shown to generate hydrogen peroxide and hydrogen in 40-50% yield. Photolysis of the title compound results in loss of a CO ligand followed by coordination of a water molecule. The initially formed CpMn(CO) 2(H2O) intermediate was detected using time-resolved IR spectroscopy. The cyclopentadiene (CpH) monomer is generated as the major product, formed by the transfer of an H atom from the coordinated H2O solvent to the Cp ring. A simple mechanism for H2 generation is proposed on the basis of deuteration studies which demonstrate the production of D2 and CpD upon photolysis of CpMn(CO)3 in a hexane/D2O biphasic system. © 2011 American Chemical Society.
author list (cited authors)
Kee, J. W., Tan, Y. Y., Swennenhuis, B., Bengali, A. A., & Fan, W. Y
complete list of authors
Kee, Jun Wei||Tan, Yong Yao||Swennenhuis, Bert HG||Bengali, Ashfaq A||Fan, Wai Yip