The role of pendant amines in the breaking and forming of molecular hydrogen catalyzed by nickel complexes

S Raugei, S Chen, MH Ho… - … A European Journal, 2012 - Wiley Online Library
… for both H 2 oxidation and production. We find that the presence of pendant amine functional
groups greatly facilitates the heterolytic H 2 bond cleavage, resulting in a protonated amine

Molecular electrocatalysts for the oxidation of hydrogen and the production of hydrogen–the role of pendant amines as proton relays

DL DuBois, RM Bullock - European Journal of Inorganic …, 2011 - Wiley Online Library
… of pendant amines incorporated into diphosphane ligands. These pendant amines function
… The hydride acceptor ability of metal cations, along with the basicity of pendant amines, are …

Molecular catalysts with diphosphine ligands containing pendant amines

ES Wiedner, AM Appel, S Raugei, WJ Shaw… - Chemical …, 2022 - ACS Publications
… (basicity of the amine) and the relative positioning of the pendant amine to the metal, a …
other diphosphines bearing pendant amines, and key structural features of pendant amines are …

Moving protons with pendant amines: Proton mobility in a nickel catalyst for oxidation of hydrogen

M O'Hagan, WJ Shaw, S Raugei, S Chen… - Journal of the …, 2011 - ACS Publications
… oxidation of hydrogen. In this work we describe intramolecular proton transfer between Ni
and positioned pendant amines for the hydrogen oxidation electrocatalyst [Ni(P Cy 2 N Bn 2 H) …

Theoretical design of molecular electrocatalysts with flexible pendant amines for hydrogen production and oxidation

LE Fernandez, S Horvath… - The Journal of Physical …, 2013 - ACS Publications
… that more flexible pendant amines would facilitate the … N distances and more flexible
pendant amines may assist in … other related catalysts with pendant amines that may be more …

Hydrogen oxidation catalysis by a nickel diphosphine complex with pendant tert-butyl amines

JY Yang, S Chen, WG Dougherty, WS Kassel… - Chemical …, 2010 - pubs.rsc.org
… heretofore for any other synthetic molecular H 2 oxidation … The H 2 adduct then undergoes
heterolytic H 2 cleavage resulting in a Ni 2+ hydride species and a protonated pendant amine. …

[HTML][HTML] The role of pendant bases in molecular catalysts for H2 oxidation and production

MR DuBois, DL DuBois - Comptes …, 2008 - comptes-rendus.academie-sciences …
… In the first step, H 2 binds to iron to form a dihydrogen complex, and many examples of …
molecule is heterolytically cleaved to form an iron hydride and a protonated pendant amine [Fe(H)…

High catalytic rates for hydrogen production using nickel electrocatalysts with seven-membered cyclic diphosphine ligands containing one pendant amine

MP Stewart, MH Ho, S Wiese… - Journal of the …, 2013 - ACS Publications
… (5-CF 3 , 5-Cl and 5-Br) are below that of [(DMF)H] + , resulting in slow (… pendant amine
substituents have a greater electron-donating ability than the H atom in 5-H, the pendant amine is …

Hydrogen production using nickel electrocatalysts with pendant amines: ligand effects on rates and overpotentials

S Wiese, UJ Kilgore, MH Ho, S Raugei, DL DuBois… - ACS …, 2013 - ACS Publications
H 2 production catalyst [Ni(8P Ph 2 N C 6 H 4 Br ) 2 ](BF 4 ) 2 (abbreviated as [Ni(8P 2 N)
2 ] 2+ ) that contains only one pendant amine … reported [Ni(P Ph 2 N C 6 H 4 Br 2 ) 2 ] 2+ (…

Two pathways for electrocatalytic oxidation of hydrogen by a nickel bis (diphosphine) complex with pendant amines in the second coordination sphere

JY Yang, SE Smith, T Liu, WG Dougherty… - Journal of the …, 2013 - ACS Publications
… a pendant amine in the active site that is believed to be properly positioned to facilitate formation
and cleavage of the HH … diphosphine ligand with two pendant amines, and R and R′ …