2 article(s) from Fujita, Takeshi
- Full Research Paper
- Published 09 Feb 2021
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Graphical Abstract
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Scheme 1: Conventional methods for the synthesis of helicenes.
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Scheme 2: Brønsted acid-catalyzed cycloaromatization of biaryls bearing an acetal moiety.
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Scheme 3: Two strategies for the helicene synthesis via Suzuki–Miyaura coupling/cycloaromatization sequence.
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Scheme 4: Synthesis of (a) [5]helicene and (b) [6]helicene.
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Scheme 5: Synthesis of helicenes with double helical structures.
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Scheme 6: Synthesis of hetero[4]-, [5]-, and [6]helicenes.
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- Full Research Paper
- Published 14 Dec 2017
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Graphical Abstract
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Scheme 1: Intramolecular site-selective iodoarylation of 1,1-difluoro-1-alkenes bearing a biaryl group.
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Scheme 2: Mechanism for formation of 3a.
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Figure 1: ORTEP diagram of 2a with 50% ellipsoid probability.
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Scheme 3: Transformation of a CF2I group of 2a into a CHF2 group.
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Scheme 4: Construction of seven-membered carbocycles via iodoarylation of 5.
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Figure 2: ORTEP diagram of 6a with 50% ellipsoid probability.
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Scheme 5: Selective HI elimination from 6a.
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