5 years ago

[MoO2]2+-Mediated Oxygen Atom Transfer via an Unusual Lewis Acid Mechanism

[MoO2]2+-Mediated Oxygen Atom Transfer via an Unusual Lewis Acid Mechanism
Marta Marín-Luna, Marta Castiñeira Reis, Olalla Nieto Faza, Carlos Silva López
Two alternative mechanisms emerge for the oxygen transfer reaction between DMSO and phosphine catalyzed by a Mo(VI)/Mo(IV) cycle: one in which the first step is the generation of a Mo(IV) species which then abstracts the oxygen from DMSO, and other where the Mo(VI)O2Cl2 core first acts as a Lewis acid on DMSO. Contrary to what is expected from the enzyme models, the second is found to be the preferred pathway.

Publisher URL: http://dx.doi.org/10.1021/acs.inorgchem.7b01529

DOI: 10.1021/acs.inorgchem.7b01529

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