Journal ArticleDOI
3d Transition Metals for C-H Activation.
Parthasarathy Gandeepan,Thomas Müller,Daniel Zell,Gianpiero Cera,Svenja Warratz,Lutz Ackermann +5 more
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TLDR
A comprehensive overview on first row transition metal catalysts for C-H activation until summer 2018 is provided.Abstract:
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.read more
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In Situ Generated Cobalt Catalyst for the Dehydrogenative Coupling of Alcohols and Amines into Imines
Fabrizio Bottaro,Robert Madsen +1 more
TL;DR: In this article, an in-situ formed cobalt catalyst was developed from cobalt(II)bromide, bis[2]-(diisopropylphosphino)•4−methylphenyl]amine and zinc metal.
Journal ArticleDOI
Principal interacting spin orbital: understanding the fragment interactions in open-shell systems.
TL;DR: The principal interacting spin orbital (PISO) analysis is presented, which is an analysis framework developed based on the previously reported principal interacting orbital ( PIO) analysis, and will demonstrate the power of the framework to analyse different kinds of open-shell systems.
Journal ArticleDOI
Photoinduced Heterogeneous C−H Arylation by a Reusable Hybrid Copper Catalyst
Isaac Choi,Valentin Müller,Gaurav Lole,Robert Köhler,Volker Karius,Wolfgang Viöl,Christian Jooss,Lutz Ackermann +7 more
TL;DR: The versatile hybrid copper catalyst provided step‐economical access to arylated heteroarenes, terpenes and alkaloid natural products with various aryl halides and could be reused without significant loss of catalytic efficacy.
Journal ArticleDOI
A directing group-assisted ruthenium-catalyzed approach to access meta-nitrated phenols.
TL;DR: Mechanical studies suggested involvement of an ortho-CAr-H metal intermediate, which promoted meta-electrophilic aromatic substitution and silver-assisted free-radical pathway in meta-Selective C-H nitration of phenol derivatives.
Journal ArticleDOI
Synthesis of 1,3-diketones from esters via liberation of hydrogen
TL;DR: In this paper, a catalytic dehydrogenative rearrangement of esters into 1,3-diketones was reported, where a base-acid catalyst and a dehydrogenation catalyst mediated the reaction.
References
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Journal ArticleDOI
Palladium-Catalyzed Ligand-Directed C−H Functionalization Reactions
TL;DR: This is the first comprehensive review encompassing the large body of work in this field over the past 5 years, and will focus specifically on ligand-directed C–H functionalization reactions catalyzed by palladium.
Journal ArticleDOI
Fluorine in Pharmaceuticals: Looking Beyond Intuition.
TL;DR: Experimental progress in exploration of the specific influence of carbon-fluorine single bonds on docking interactions is reviewed and complementary analysis based on comprehensive searches in the Cambridge Structural Database and the Protein Data Bank is added.
Book ChapterDOI
Heavy metal toxicity and the environment.
TL;DR: This review provides an analysis of arsenic, cadmium, chromium, lead, and mercury's environmental occurrence, production and use, potential for human exposure, and molecular mechanisms of toxicity, genotoxicity, and carcinogenicity.
Journal ArticleDOI
Understanding TiO2 photocatalysis: mechanisms and materials.
Jenny Schneider,Masaya Matsuoka,Masato Takeuchi,Jinlong Zhang,Yu Horiuchi,Masakazu Anpo,Detlef W. Bahnemann +6 more
TL;DR: This paper presents a meta-analyses of the chiral stationary phase transition of Na6(CO3)(SO4)2, Na2SO4, and Na2CO3 of the Na2O/Na2O 2 mixture at the stationary phase and shows clear patterns in the response of these two materials to each other.
Journal ArticleDOI
Organic Photoredox Catalysis
TL;DR: An overview of the basic photophysics and electron transfer theory is presented in order to provide a comprehensive guide for employing this class of catalysts in photoredox manifolds.