Page 5 - MetalLigand Cooperation by AromatizationDearomatization: A New Paradigm in Bond Activation and Green Catalysis
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MetalLigand Cooperation Gunanathan and Milstein
SCHEME 7
SCHEME 8
SCHEME 9
FIGURE 3. M06/SDD optimized structures of TS(3 23 ) þ nH 2 O(from top
0
0
0
to bottom: n = 0,1,2). Symbol ( ) indicates the model complexes with PMe 2
ligands. H's on methyl groups are omitted for clarity. Structures modified
from ref 14. Reproduced by permission of The Royal Society of Chemistry.
reactions, a stepwise cycle in which H 2 and O 2 are released in
consecutive steps is attained (Scheme 9). Following the dihydrogen and give complex 29, photolysis of 29 may
thermal reaction of complex 28 with water to liberate release hydrogen peroxide by reductive elimination,
592 ’ ACCOUNTS OF CHEMICAL RESEARCH ’ 588–602 ’ 2011 ’ Vol. 44, No. 8
