Molecular catalysts with diphosphine ligands containing pendant amines

ES Wiedner, AM Appel, S Raugei, WJ Shaw… - Chemical …, 2022 - ACS Publications
Pendant amines play an invaluable role in chemical reactivity, especially for molecular
catalysts based on earth-abundant metals. As inspired by [FeFe]-hydrogenases, which …

Mechanistic Insights into Catalytic H2 Oxidation by Ni Complexes Containing a Diphosphine Ligand with a Positioned Amine Base

JY Yang, RM Bullock, WJ Shaw… - Journal of the …, 2009 - ACS Publications
The mixed-ligand complex [Ni (dppp)(PPh2NBz2)](BF4) 2, 3,(where PPh2NBz2 is 1, 5-
dibenzyl-3, 7-diphenyl-1, 5-diaza-3, 7-diphosphacyclooctane and dppp is 1, 3-bis …

Molecular electrocatalysts for oxidation of hydrogen using earth-abundant metals: shoving protons around with proton relays

RM Bullock, ML Helm - Accounts of Chemical Research, 2015 - ACS Publications
Conspectus Sustainable, carbon-neutral energy is needed to supplant the worldwide
reliance on fossil fuels in order to address the persistent problem of increasing emissions of …

Synthesis, characterization, and reactivity of Fe complexes containing cyclic diazadiphosphine ligands: The role of the pendant base in heterolytic cleavage of H2

T Liu, S Chen, MJ O'Hagan… - Journal of the …, 2012 - ACS Publications
The iron complexes CpFe (PPh2NBn2) Cl (1-Cl), CpFe (PPh2NPh2) Cl (2-Cl), and CpFe
(PPh2C5) Cl (3-Cl)(where PPh2NBn2 is 1, 5-dibenzyl-1, 5-diaza-3, 7-diphenyl-3, 7 …

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
A bis-diphosphine nickel complex with tert-butyl functionalized pendant amines [Ni (PCy2Nt-
Bu2) 2] 2+ has been synthesized. It is a highly active electrocatalyst for the oxidation of …

Active-site models for the nickel–iron hydrogenases: effects of ligands on reactivity and catalytic properties

ME Carroll, BE Barton, DL Gray, AE Mack… - Inorganic …, 2011 - ACS Publications
Described are new derivatives of the type [HNiFe (SR) 2 (diphosphine)(CO) 3]+, which
feature a Ni (diphosphine) group linked to a Fe (CO) 3 group by two bridging thiolate …

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
A series of Ni-based electrocatalysts,[Ni (7PPh2NC6H4X) 2](BF4) 2, featuring seven-
membered cyclic diphosphine ligands incorporating a single amine base, 1-para-X-phenyl …

Hydrogen oxidation and production using nickel-based molecular catalysts with positioned proton relays

AD Wilson, RH Newell, MJ McNevin… - Journal of the …, 2006 - ACS Publications
Highly efficient electrocatalysts for both hydrogen evolution and hydrogen oxidation have
been designed, synthesized, and characterized. The catalysts in their resting states are air …

Isoelectronic manganese and iron hydrogenation/dehydrogenation catalysts: similarities and divergences

N Gorgas, K Kirchner - Accounts of Chemical Research, 2018 - ACS Publications
Conspectus Sustainable processes that utilize nontoxic, readily available, and inexpensive
starting materials for organic synthesis constitute a major objective in modern chemical …

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
We present the results of a comprehensive theoretical investigation of the role of pendant
amine ligands in the oxidation of H2 and formation of H2 by [Ni (PR2NR′ 2) 2] 2+ …