Search Results - "Ascough, David M. H."
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Asymmetric nucleophilic fluorination under hydrogen bonding phase-transfer catalysis
Published in Science (American Association for the Advancement of Science) (11-05-2018)“…Common anionic nucleophiles such as those derived from inorganic salts have not been used for enantioselective catalysis because of their insolubility. Here,…”
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Hydrogen Bonding Phase-Transfer Catalysis with Potassium Fluoride: Enantioselective Synthesis of β‑Fluoroamines
Published in Journal of the American Chemical Society (20-02-2019)“…Potassium fluoride (KF) is an ideal reagent for fluorination because it is safe, easy to handle and low-cost. However, poor solubility in organic solvents…”
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Stereospecific 1,3‑H Transfer of Indenols Proceeds via Persistent Ion-Pairs Anchored by NH···π Interactions
Published in Journal of the American Chemical Society (05-12-2018)“…The base-catalyzed rearrangement of arylindenols is a rare example of a suprafacial [1,3]-hydrogen atom transfer. The mechanism has been proposed to proceed…”
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Hydrogen Bonding Phase-Transfer Catalysis with Ionic Reactants: Enantioselective Synthesis of γ‑Fluoroamines
Published in Journal of the American Chemical Society (19-08-2020)“…Ammonium salts are used as phase-transfer catalysts for fluorination with alkali metal fluorides. We now demonstrate that these organic salts, specifically…”
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Chemical Epigenetics: The Impact of Chemical and Chemical Biology Techniques on Bromodomain Target Validation
Published in Angewandte Chemie International Edition (09-12-2019)“…Epigenetics is currently the focus of intense research interest across a broad range of disciplines due to its importance in a multitude of biological…”
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Data-mining the diaryl(thio)urea conformational landscape: Understanding the contrasting behavior of ureas and thioureas with quantum chemistry
Published in Tetrahedron (08-02-2019)“…The conformations adopted by urea and thiourea functional groups influence catalysis and binding. We combine data-mining with quantum chemical calculations to…”
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Enantioselective rhodium-catalysed insertion of trifluorodiazoethanes into tin hydrides
Published in Tetrahedron (03-01-2019)“…Aryl substituted 2,2,2-trifluorodiazoethanes undergo rhodium(II)-catalysed insertion reactions with tin hydrides affording the corresponding…”
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Chemische Epigenetik: der Einfluss chemischer und chemo‐biologischer Techniken auf die Zielstruktur‐Validierung von Bromodomänen
Published in Angewandte Chemie (01-12-2019)“…Viele Disziplinen befassen sich gegenwärtig mit Epigenetik, da diese von Bedeutung für viele biologische Vorgänge und pathologische Zustände ist. Auf…”
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Chemische Epigenetik: der Einfluss chemischer und chemo‐biologischer Techniken auf die Zielstruktur‐Validierung von Bromodomänen
Published in Angewandte Chemie (09-12-2019)“…Viele Disziplinen befassen sich gegenwärtig mit Epigenetik, da diese von Bedeutung für viele biologische Vorgänge und pathologische Zustände ist. Auf…”
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