Dinitrogen Reduction by a Chromium(0) Complex Supported by a 16-Membered Phosphorus Macrocycle
Journal of the American Chemical Society2013Vol. 135(31), pp. 11493–11496
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Michael T. Mock, Shentan Chen, Molly O’Hagan, Roger Rousseau, William G. Dougherty, W. Scott Kassel, R. Morris Bullock
Abstract
We report a rare example of a Cr-N2 complex supported by a 16-membered phosphorus macrocycle containing pendant amine bases. Reactivity with acid afforded hydrazinium and ammonium, representing the first example of N2 reduction by a Cr-N2 complex. Computational analysis examined the thermodynamically favored protonation steps of N2 reduction with Cr leading to the formation of hydrazine.
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