Hydrogen Peroxide Coordination to Cobalt(II) Facilitated by Second‐Sphere Hydrogen Bonding | Zendy

Wallen Christian M. | Zendy; Palatinus Lukáš | Zendy; Bacsa John | Zendy; Scarborough Christopher C. | Zendy

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Hydrogen Peroxide Coordination to Cobalt(II) Facilitated by Second‐Sphere Hydrogen Bonding

Author(s) -

Wallen Christian M.,

Palatinus Lukáš,

Bacsa John,

Scarborough Christopher C.

Publication year - 2016

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.201606561

Subject(s) - adduct , chemistry , cobalt , coordination sphere , ligand (biochemistry) , redox , hydrogen peroxide , hydrogen bond , metal , medicinal chemistry , hydrogen , stereochemistry , crystallography , photochemistry , inorganic chemistry , molecule , organic chemistry , receptor , biochemistry

M(H 2 O 2 ) adducts have been postulated as intermediates in biological and industrial processes; however, only one observable M(H 2 O 2 ) adduct has been reported, where M is redox‐inactive zinc. Herein, direct solution‐phase detection of an M(H 2 O 2 ) adduct with a redox‐active metal, cobalt(II), is described. This Co II (H 2 O 2 ) compound is made observable by incorporating second‐sphere hydrogen‐bonding interactions between bound H 2 O 2 and the supporting ligand, a trianionic trisulfonamido ligand. Thermodynamics of H 2 O 2 binding and decay kinetics of the Co II (H 2 O 2 ) species are described, as well as the reaction of this Co II (H 2 O 2 ) species with Group 2 cations.

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