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Creators/Authors contains: "Mock, Michael T"

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  1. Fac-[(CO)3Mo(PtBu2NPh2)(NH3)] catalyzed NH3oxidation to N2using phenoxyl radicals as H atom acceptors generating up to 88 equiv. N2per Mo centre. 
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    Free, publicly-accessible full text available June 2, 2026
  2. Exposure of (POCOPtBu)Cr(Bn) to 427 nm blue light under 1 atm N2 promoted Cr–CBn bond homolysis and led to N2 activation forming [(POCOPtBu)Cr]2(μ-N2). 
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  3. Cr(N2)2(diphosphine)2 complexes catalyze the reduction of dinitrogen at room temperature using SmI2 and ethylene glycol or H2O to form hydrazine and ammonia. 
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  4. Abstract We report a nickel complex for catalytic oxidation of ammonia to dinitrogen under ambient conditions. Using the aryloxyl radical 2,4,6‐tri‐tert‐butylphenoxyl (tBu3ArO⋅) as a H atom acceptor to cleave the N−H bond of a coordinated NH3ligand up to 56 equiv of N2per Ni center can be generated. Employing theN‐oxyl radical 2,2,6,6‐(tetramethylpiperidin‐1‐yl)oxyl (TEMPO⋅) as the H‐atom acceptor, up to 15 equiv of N2per Ni center are formed. A bridging Ni‐hydrazine product identified by isotopic nitrogen (15N) studies and supported by computational models indicates the N−N bond forming step occurs by bimetallic homocoupling of two paramagnetic [Ni]−NH2fragments. Ni‐mediated hydrazine disproportionation to N2and NH3completes the catalytic cycle. 
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