Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Chuan-Le Zhu"'
Publikováno v:
Journal of Fluorine Chemistry
Journal of Fluorine Chemistry, Elsevier, 2013, 150, pp.60-66. ⟨10.1016/j.jfluchem.2013.03.007⟩
Journal of Fluorine Chemistry, Elsevier, 2013, 150, pp.60-66. ⟨10.1016/j.jfluchem.2013.03.007⟩
Asymmetric electrophilic fluorination of 3-substituted benzofuran-2(3 H )-ones was realized under liquid–liquid phase-transfer catalysis with 2 mol% of chiral phosphonium salts to afford the fluorinated products with up to 96% yield and 56% ee.
Publikováno v:
ChemInform. 47
Publikováno v:
Asian Journal of Organic Chemistry
Asian Journal of Organic Chemistry, Wiley, 2016, 5 (1), pp.66-69. ⟨10.1002/ajoc.201500409⟩
Asian Journal of Organic Chemistry, Wiley, 2016, 5 (1), pp.66-69. ⟨10.1002/ajoc.201500409⟩
International audience
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dc277cd09f8ab3a7d18a6c07c71082f9
https://hal-normandie-univ.archives-ouvertes.fr/hal-02046247
https://hal-normandie-univ.archives-ouvertes.fr/hal-02046247
Publikováno v:
Chinese Journal of Chemistry. 30:2693-2702
An organocatalytic asymmetric branching sequence was realized in the presence of 10 mol% of (DHQD)2AQN, affording the sequential products with three stereocentres, including two quaternary carbon centres, in 47%–79% yields with 85%–99% ee.
Publikováno v:
Angewandte Chemie. 123:9614-9618
The sequence, applied to acrylic β-ketoesters, offers a novel synthesis of chiral α-fluoro-β-ketoesters.
Publikováno v:
Angewandte Chemie International Edition
Angewandte Chemie International Edition, Wiley-VCH Verlag, 2011, 50 (26), pp.5869-5872. ⟨10.1002/anie.201100283⟩
Angewandte Chemie International Edition, Wiley-VCH Verlag, 2011, 50 (26), pp.5869-5872. ⟨10.1002/anie.201100283⟩
The catalytic activity of the novel title catalyst (I) is demonstrated in the highly enantioselective amination of benzofuranones with diester (III).
Publikováno v:
ChemInform. 46
A facile thermodynamic cyclopropanation of trisubstituted olefinic azlactones with a stock solution of CF3CHN2 in CH3CN is realized. This method shows excellent generality, affording a wide range of trifluoromethyl-substituted cyclopropanes bearing a
Publikováno v:
Organic letters. 17(14)
A facile thermodynamic cyclopropanation of trisubstituted olefinic azlactones with a stock solution of CF3CHN2 in CH3CN is realized. This method shows excellent generality, affording a wide range of trifluoromethyl-substituted cyclopropanes bearing a
Autor:
Taiki Shigehiro, Kosuke Kawada, Dominique Cahard, Norio Shibata, Fa-Guang Zhang, Jun-An Ma, Chuan-Le Zhu, Takumi Kagawa, Mayaka Maeno
Publikováno v:
ChemInform. 45
This work describes the design, synthesis, and application of de novo chiral fluorinating agents as analogues of popular N-fluorodibenzenesulfonimide (NFSI). The fluorination step by means of elemental fluorine is presented. Enantioselective fluorina
Publikováno v:
ChemInform. 44
The (S,S)-isomer of the depicted phosphonium salt is capable of catalyzing the title reaction with excellent yields and low to moderate enantioselectivities.