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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Journal ArticleDOI
Iridium-Catalyzed Direct C–H Amidation Producing Multicolor Fluorescent Molecules Emitting Blue-to-Red Light and White Light
Soon-Hyeok Hwang,Tae-Lim Choi +1 more
TL;DR: By controlling electronic characters of the resulting sulfonamides, a wide range of blue-to-red emissions was predictably obtained via an excited-state intramolecular proton-transfer process, highlighting that this DCA is an excellent synthetic method to prepare a library of fluorophores.
Journal ArticleDOI
Weakly coordinating group directed rhodium-catalyzed unconventional site-selective C–H olefination of indolizines at the 8-position
TL;DR: A rhodium-catalyzed directing group promoted selective C-H olefination reaction of indolizines at the 8-position is reported in this article, where weakly coordinating groups such as ketone, aldehyde, amide and ester were used as directing groups.
Journal ArticleDOI
Unveiling the potential of scandium complexes for methane C-H bond activation: a computational study
TL;DR: In this paper, the potential of Scandium complexes bearing anionic and neutral ligands for methane C-H bond activation was explored and all the explored complexes were found to be able to activate the methane C−H bond under mild conditions, which raises new avenues for methane utilization.
Journal ArticleDOI
Guerbet-Type β-alkylation of Secondary Alcohols Catalyzed by Chromium Chloride and its Corresponding NNN Pincer Complex
TL;DR: The β-alkylation of secondary alcohols have been successfully accomplished using earth abundant, inexpensive and environmentally benign 3d transition metal chromium salt CrCl3 and its corresponding pincer-Cr complex, (Ph2NNN)CrCl3 (0.005 mol%), the authors .
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.