Search Results - "Hashmi, K"

Gold catalysis in total synthesis - recent achievements by Pflästerer, Daniel, Hashmi, A Stephen K

“…In this critical review the applications of gold catalysed reactions in total synthesis during the years since our last article are reviewed. At the end of…”
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Homogeneous Gold Catalysis Beyond Assumptions and Proposals--Characterized Intermediates by Hashmi, A. Stephen K

“…Gold catalysis is a very active area in the field of catalysis research. New reactions are published every week, amazing changes in the connectivity are often…”
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Introduction: Gold Chemistry by Hashmi, A. Stephen K

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Dual Gold Catalysis by Hashmi, A. Stephen K

“…For more than a decade the innovative field of homogeneous catalysis by gold was dominated by the interaction of the substrate molecule with one gold center,…”
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Homogeneous and Heterogeneous Gold Catalysis for Materials Science by Hendrich, Christoph M, Sekine, Kohei, Koshikawa, Takumi, Tanaka, Ken, Hashmi, A. Stephen K

“…Often stoichiometric amounts of gold find use in materials science; occasionally gold is even used as a support. This review discusses the contributions of…”
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Gold catalysis in total synthesis--an update by Rudolph, Matthias, Hashmi, A Stephen K

“…In this critical review, the strongly increasing amount of new applications of gold catalysis in total synthesis is summarised and, for the new developed…”
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Gold-Catalyzed Organic Reactions by Hashmi, A. Stephen K

“…Gold-catalyzed organic chemical reactions are investigated. Both heterogenous and homogenous catalysis are discussed…”
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Mechanistic Switch in Dual Gold Catalysis of Diynes: C(sp3)-H Activation through Bifurcation-Vinylidene versus Carbene Pathways by Hansmann, Max M., Rudolph, Matthias, Rominger, Frank, Hashmi, A. Stephen K.

“…The other side of the mountain: Changing the framework of diyne systems opens up new cyclization modes for dual gold catalysis. Instead of a 5‐endo cyclization…”
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Gold-Catalyzed Highly Selective Photoredox C(sp2)−H Difluoroalkylation and Perfluoroalkylation of Hydrazones by Xie, Jin, Zhang, Tuo, Chen, Fei, Mehrkens, Nina, Rominger, Frank, Rudolph, Matthias, Hashmi, A. Stephen K.

“…The first gold‐catalyzed photoredox C(sp2)−H difluoroalkylation and perfluoroalkylation of hydrazones with readily available RF−Br reagents is reported. The…”
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The Role of Gold Acetylides as a Selectivity Trigger and the Importance of gem-Diaurated Species in the Gold-Catalyzed Hydroarylating-Aromatization of Arene-Diynes by Hashmi, A. Stephen K, Braun, Ingo, Rudolph, Matthias, Rominger, Frank

“…Terminal 1,2-dialkynylarenes undergo an unexpected cyclization hydroarylation reaction toward naphthalene derivatives in benzene as the solvent. The…”
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Gold-Catalyzed Synthesis of Quinolines from Propargyl Silyl Ethers and Anthranils through the Umpolung of a Gold Carbene Carbon by Jin, Hongming, Tian, Bin, Song, Xinlong, Xie, Jin, Rudolph, Matthias, Rominger, Frank, Hashmi, A. Stephen K.

“…A gold‐catalyzed cascade annulation of propargylic silyl ethers with anthranils proceeds through a sequential ring…”
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Monofluoroalkenylation of Dimethylamino Compounds through Radical-Radical Cross-Coupling by Xie, Jin, Yu, Jintao, Rudolph, Matthias, Rominger, Frank, Hashmi, A. Stephen K.

“…An unprecedented and challenging radical–radical cross‐coupling of α‐aminoalkyl radicals with monofluoroalkenyl radicals derived from gem‐difluoroalkenes was…”
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Intermolecular Photocatalyzed Heck-like Coupling of Unactivated Alkyl Bromides by a Dinuclear Gold Complex by Xie, Jin, Li, Jian, Weingand, Vanessa, Rudolph, Matthias, Hashmi, A. Stephen K.

“…A practical protocol for a photocatalyzed alkyl‐Heck‐like reaction of unactivated alkyl bromides and different alkenes promoted by dinuclear gold photoredox…”
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Ruxolitinib for Glucocorticoid-Refractory Chronic Graft-versus-Host Disease by Zeiser, Robert, Polverelli, Nicola, Ram, Ron, Hashmi, Shahrukh K, Chakraverty, Ronjon, Middeke, Jan Moritz, Musso, Maurizio, Giebel, Sebastian, Uzay, Ant, Langmuir, Peter, Hollaender, Norbert, Gowda, Maanasa, Stefanelli, Tommaso, Lee, Stephanie J, Teshima, Takanori, Locatelli, Franco

“…Standard treatment for GVHD is glucocorticoids, but for glucocorticoid-refractory GVHD, no intervention has emerged as standard second-line treatment. This…”
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Sub-Nanosized Gold Catalysts by Hashmi, A. Stephen K.

“…Small gold clusters catalyze water addition to alkynes at the high efficiencies required for bulk industrial applications. Gold was long considered to be…”
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Gold(III)‐Catalyzed Site‐Selective and Divergent Synthesis of 2‐Aminopyrroles and Quinoline‐Based Polyazaheterocycles by Zeng, Zhongyi, Jin, Hongming, Rudolph, Matthias, Rominger, Frank, Hashmi, A. Stephen K.

“…A facile, site‐selective, and divergent approach to construct 2‐aminopyrroles and quinoline‐fused polyazaheterocycles enabled by a simple gold(III) catalyst…”
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"High Noon" in Gold Catalysis: Carbene versus Carbocation Intermediates by Hashmi, A. Stephen K.

“…What is the nature of the gold–carbon bond—double, single? The structure of a crucial intermediate of many gold‐catalyzed reactions has become a matter of…”
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Gold(I)-Catalyzed Rearrangement of 3-Silyloxy-1,5-enynes: An Efficient Synthesis of Benzo[b]thiophenes, Dibenzothiophenes, Dibenzofurans, and Indole Derivatives by Hashmi, A. Stephen K., Yang, Weibo, Rominger, Frank

“…With the IPr ligand (IPr=1,3‐bis‐(2,6‐diisopropylphenyl)imidazol‐2‐ylidene) on gold(I) excellent yields in the benzanellation of 2‐substituted thiophenes,…”
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Highly Active Mononuclear NAC-Gold(I) Catalysts by Blanco Jaimes, Maria Camila, Böhling, Constantin R. N., Serrano-Becerra, Juan Manuel, Hashmi, A. Stephen K.

“…One gold is enough: Mononuclear, homogeneous gold catalysts displayed excellent catalytic activity on the order of that previously reported for gold…”
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Gold-Catalyzed Synthesis of Glyoxals by Oxidation of Terminal Alkynes: One-Pot Synthesis of Quinoxalines by Shi, Shuai, Wang, Tao, Yang, Weibo, Rudolph, Matthias, Hashmi, A. Stephen K.

“…From terminal alkynes to glyoxals: Terminal alkynes can be oxidized under mild conditions by the use of an N‐oxide in the presence of a gold catalyst. The…”
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