2 article(s) from Du, Yunfei
- Letter
- Published 12 Dec 2019
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Graphical Abstract
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Figure 1: Biologically active chromone derivatives.
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Scheme 1: Methods for the synthesis of chromones via dehydrogenative oxidation of chromanones.
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Scheme 2: Substrate scope studies. Reaction conditions: 1 (1.0 mmol), PhIO (2.0 mmol), DMF (6 mL), rt. Isolat...
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Scheme 3: Control experiments for mechanistic studies.
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Scheme 4: Proposed reaction mechanism.
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Scheme 5: Application of the reported method to the synthesis of frutinone A.
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- Full Research Paper
- Published 15 Jun 2018
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Graphical Abstract
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Figure 1: Representative pharmaceutical agents bearing the CF3 group.
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Figure 2: The structures of the Togni reagents 1-(trifluoromethyl)-1,2-benziodoxol-3(1H)-one (1) and trifluor...
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Scheme 1: Our previous hypervalent iodine-mediated synthesis of 2H-azirine compounds.
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Scheme 2: Study on the presumed Togni reagent 1-mediated trifluoromethylation followed by PhIO-mediated aziri...
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Scheme 3: Togni reagent/PhIO-mediated one-pot synthesis of β-trifluoromethyl 2H-azirines. Reaction conditions...
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Scheme 4: Control study with TEMPO.
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Scheme 5: Proposed mechanism for the Togni reagent-mediated trifluoromethylation of enamines.
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