Synthesis, characterization, and reactivity of several water-soluble ruthenium complexes

INOR 276

Takiya J. Ahmed, tahmed@uoregon.edu1, Shannon R. Finnell, sfinnell@uoregon.edu1, and David R. Tyler2. (1) Department of Chemistry, University of Oregon, Eugene, OR 97403, (2) Materials Science Institute, University of Oregon, 1252 Univ of Oregon, Eugene, OR 97403-1252
The design of a catalytic system capable of directing phosphate ester hydrolysis in water is a particularly desirable goal for pesticide and nerve remediation. The activity of several water-soluble ruthenium bis(phosphine) complexes containing substituted cyclopentadienyl and tris(pyrazolyl)borate toward catalytic phosphate ester hydrolysis was investigated. In this contribution, an emphasis will be placed on the effects of electronics, sterics, and pH, which were varied in order to elucidate the mechanism of the hydrolysis reaction. The catalytic mechanism was probed extensively using variable temperature heteronuclear NMR spectroscopy, UV-Vis spectrophotometry, and IR spectroscopy.
 

Organometallic Catalysts
7:00 PM-10:00 PM, Sunday, August 19, 2007 BCEC -- Exhibit Hall - B2, Poster

Division of Inorganic Chemistry

The 234th ACS National Meeting, Boston, MA, August 19-23, 2007