Thursday, March 21, 2013

Mechanistic Studies on Proton Transfer in a [FeFe] Hydrogenase Mimic Complex

Mechanistic Studies on Proton Transfer in a [FeFe] Hydrogenase Mimic Complex:
, 2013, Accepted Manuscript
DOI: 10.1039/C3DT33087G, Paper
Marten Ahlquist, Ying Wang
Four different pathways for deprotonation of [([small mu ]-pdt){Fe(CO)3}{Fe(CO)([small kappa]2-Me2PCH2N(Me)CH2PMe2)}] (pdt = propane-1,3-dithiolate) [1H]1+ were examined, including 1) the "Direct" deprotonation; 2) the "Indirect" deprotonation via the pendant amine N; 3) the "Indirect"...
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Monday, March 11, 2013

Synthesis of Coordinatively Unsaturated Half-Sandwich Iron–Silyl Complexes with an N-Heterocyclic Carbene Ligand and Their Reactions with H2

Synthesis of Coordinatively Unsaturated Half-Sandwich Iron–Silyl Complexes with an N-Heterocyclic Carbene Ligand and Their Reactions with H2:

Abstract

A half-sandwich, coordinatively unsaturated N-heterocyclic carbene complex of iron with a metallacycle was found to cleave the Si–H bonds of hydrosilanes to give 16-electron iron–silyl complexes. The reactions of silyl complexes with H2 led to the formation of dihydride complexes, in which hydride ligands weakly interact with the silicon atom. The molecular structures of these new complexes have been determined by means of X-ray crystallography.
Thumbnail image of graphical abstract
A half-sandwich, 16-electron iron complex with a cyclometalated N-heterocyclic carbene ligand was found to activate the Si–H bonds of hydrosilanes, thus giving rise to coordinatively unsaturated iron–silyl complexes. The silyl complexes interact with H2 to form 18-electron dihydride complexes.

Sunday, March 3, 2013

Iron ina Trigonal Tris(alkoxide) Ligand Environment

Iron in
a Trigonal Tris(alkoxide) Ligand Environment
:
TOC Graphic
Inorganic Chemistry
DOI: 10.1021/ic302634q

Cobalt Corrole Catalystfor Efficient Hydrogen Evolution Reaction from H2O underAmbient Conditions: Reactivity, Spectroscopy, and Density FunctionalTheory Calculations

Cobalt Corrole Catalyst
for Efficient Hydrogen Evolution Reaction from H2O under
Ambient Conditions: Reactivity, Spectroscopy, and Density Functional
Theory Calculations
:
TOC Graphic
Inorganic Chemistry
DOI: 10.1021/ic4000473

A Transition Metal Lewis Acid/Base Triad System forCooperative Substrate Binding

A Transition Metal Lewis Acid/Base Triad System for
Cooperative Substrate Binding
:
TOC Graphic
Journal of the American Chemical Society
DOI: 10.1021/ja400962h

High Catalytic Rates forHydrogen Production UsingNickel Electrocatalysts with Seven-Membered Cyclic Diphosphine LigandsContaining One Pendant Amine

High Catalytic Rates for
Hydrogen Production Using
Nickel Electrocatalysts with Seven-Membered Cyclic Diphosphine Ligands
Containing One Pendant Amine
:
TOC Graphic
Journal of the American Chemical Society
DOI: 10.1021/ja400181a

Steady-State Catalytic Wave-Shapes for 2-ElectronReversible Electrocatalysts and Enzymes

Steady-State Catalytic Wave-Shapes for 2-Electron
Reversible Electrocatalysts and Enzymes
:
TOC Graphic
Journal of the American Chemical Society
DOI: 10.1021/ja311607s

Insights into the Interplay of Lewis and BrønstedAcid Catalysts in Glucose and Fructose Conversion to 5-(Hydroxymethyl)furfuraland Levulinic Acid in Aqueous Media

Insights into the Interplay of Lewis and Brønsted
Acid Catalysts in Glucose and Fructose Conversion to 5-(Hydroxymethyl)furfural
and Levulinic Acid in Aqueous Media
:
TOC Graphic
Journal of the American Chemical Society
DOI: 10.1021/ja3122763

Friday, March 1, 2013

Models of the iron-only hydrogenase: A comparison of chelate and bridge isomers of Fe2(CO)4{Ph2PN(R)PPh2}(-pdt) as proton-reduction catalysts

Models of the iron-only hydrogenase: A comparison of chelate and bridge isomers of Fe2(CO)4{Ph2PN(R)PPh2}(-pdt) as proton-reduction catalysts:
, 2013, Accepted Manuscript
DOI: 10.1039/C3DT50147G, Paper
G Hogarth, Shishir Ghosh, Nathan Hollingsworth, Katherine B Holt, Idris Richards, Ben E Sanchez, David G Unwin, Michael G. Richmond
Reactions of Fe2(CO)6(-pdt) (pdt = SCH2CH2CH2S) with aminodiphosphines Ph2PN(R)PPh2 (R = allyl, iPr, iBu, p-tolyl, H) have been carried out under different conditions. At room temperature in MeCN with added...
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