The civilian, commercial, and defense sectors of most advanced industrialized nations are faced with a tremendous set of environmental problems related to the remediation of hazardous wastes, contaminated groundwaters, and the control of toxic air contaminants. For example, the slow pace of hazardous waste remediation at military installations around the world is causing a serious delay in conversion of many of these facilities to civilian uses. Over the last 10 years problems related to hazardous waste remediation have emerged as a high national and international priority.

Environmental Applications of Semiconductor Photocatalysis

The Cationminus signpi Interaction.

C–H activation has surfaced as an increasingly powerful tool for molecular sciences, with notable applications to material sciences, crop protection, drug discovery, and pharmaceutical industries, among others. Despite major advances, the vast majority of these C–H functionalizations required precious 4d or 5d transition metal catalysts. Given the cost-effective and sustainable nature of earth-abundant first row transition metals, the development of less toxic, inexpensive 3d metal catalysts for C–H activation has gained considerable recent momentum as a significantly more environmentally-benign and economically-attractive alternative. Herein, we provide a comprehensive overview on first row transition metal catalysts for C–H activation until summer 2018.

3d Transition Metals for C-H Activation.

Free Radical Lipid Peroxidation: Mechanisms and Analysis

Catalytic activities of Schiff base transition metal complexes

Crystal and molecular structure of [Co(η5-C5H5)(CO)2]

Tri- and tetra-metallic complexes containing phospha-alkyne ligands. First examples of μ3(η2-⊊) bonded phospha-alkynes; crystal and molecular structure of [Fe2Pt(Ph2PCH2CH2PPh2)(CO)6(Me3CCP)]

Synthese und Charakterisierung der ersten Verbindungen mit einem stabilen Phosphirenyl‐Kation – Struktur von [Ni(η3‐PC2tBu2)(η5‐P3C2tBu2)W(CO)5]

Some tetraphenylcyclobutadiene complexes of rhodium

A single-crystal X-ray structure determination of [{IrCl(PF3)2}2](1)[monoclinic, P21/n, a= 10.526(1), b= 10.346(2), c= 13.150(1)A, β= 101.46(1)°, R= 0.0481] has confirmed the existence of dimeric molecules with short intra- and inter-molecular irdium–iridium contacts and infinite zigzag chains of iridium atoms. Detailed consideration of the structure allows conclusions to be drawn about the design of other fluorophosphineiridium(I) complexes with extended metal–metal interactions. These conclusions have been tested by syntheses of a variety of complexes of RhI and IrI containing the ligands PF2(NMe2), PF(O2C6H4), and OC(NMePF2)2. The complex [{IrCl[OC(NMePF2)2]}2] probably has a structure involving extended metal–metal interactions.

Fluorophosphine complexes of rhodium(I) and iridium(I): towards the design of systems with extended metal–metal interactions. The crystal structure of [{IrCl(PF3)2}2]

John F. Nixon

Papers

Crystal and molecular structure of [Co(η5-C5H5)(CO)2]

Tri- and tetra-metallic complexes containing phospha-alkyne ligands. First examples of μ3(η2-⊊) bonded phospha-alkynes; crystal and molecular structure of [Fe2Pt(Ph2PCH2CH2PPh2)(CO)6(Me3CCP)]

Synthese und Charakterisierung der ersten Verbindungen mit einem stabilen Phosphirenyl‐Kation – Struktur von [Ni(η3‐PC2tBu2)(η5‐P3C2tBu2)W(CO)5]

Some tetraphenylcyclobutadiene complexes of rhodium

Fluorophosphine complexes of rhodium(I) and iridium(I): towards the design of systems with extended metal–metal interactions. The crystal structure of [{IrCl(PF3)2}2]