8 article(s) from Yan, Chao-Guo
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- Published 16 Sep 2021
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Figure 1: Representative bioactive carbazole derivatives.
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Scheme 1: Synthesis of tetrahydropyrrolo[3,4-c]carbazoles 3a and 3b.
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Figure 2: Single crystal structure of the isomer 3a.
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Figure 3: Single crystal structure of the isomer 3b.
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Figure 4: Single crystal structure of the isomer 4g.
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Scheme 2: Proposed domino reaction mechanism for the formation of carbazoles 6.
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- Full Research Paper
- Published 04 Jul 2018
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Scheme 1: Synthesis of pillar[5]arene mono(oxyalkoxy)benzoic acids 3a–c.
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Figure 1: single crystal structure of pillar[5]arene 2a.
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Figure 2: Single crystal structure of pillar[5]arene 2f.
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Scheme 2: Synthesis of diamido-bridged bis-pillar[5]arenes 5a–d.
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Figure 3: The 2D NOSEY spectrum of bis-pillar[5]arene 5d.
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Scheme 3: Synthesis of pillar[5]arene di(oxyalkoxy)benzoic acid 8.
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Figure 4: Single crystal structure of pillar[5]arene 7.
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Scheme 4: Synthesis of diamido-bridged tris-pillar[5]arenes 9a–d.
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Figure 5: The 2D NOSEY spectra of tris-pillar[5]arene 9d.
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- Full Research Paper
- Published 14 Nov 2014
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Figure 1: Molecular structure of spiro[indoline-3,4'-pyridine] 1k.
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Scheme 1: The dynamic equilibrium of cis/trans-conformation of spiro[indoline-3,4'-pyridine].
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Scheme 2: Proposed reaction mechanism for the four-component reaction.
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- Published 27 Dec 2013
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Figure 1: Molecular structure of compound 1f.
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Figure 2: Molecular structure of compound 2a.
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Figure 3: Molecular structure of compound 2h.
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Scheme 1: The proposed reaction mechanism for the four-component reaction.
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- Full Research Paper
- Published 13 May 2013
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Scheme 1: Synthesis of spiro-epoxyoxindole with pyridinium ylide.
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Figure 1: Molecular structure of spiro compound 3c.
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Figure 2: Molecular structure of spiro compound 4a.
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Figure 3: Molecular structure of spiro compound 5o.
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- Published 02 May 2013
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Figure 1: Molecular structure of the spiro compound 1c.
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Figure 2: Molecular structure of the spiro compound 1h.
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Figure 3: Molecular structure of spiro compound 2b.
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Figure 4: Molecular structure of spiro compound 3b.
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Scheme 1: The proposed mechanism for the domino reaction.
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- Published 03 Jan 2013
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Scheme 1: The four-component reactions containing dimedone (a) and cyclopentane-1,3-dione (b).
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Figure 1: Molecular structure of spiro[dihydropyridine-oxindole] 1b.
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Figure 2: The two kinds of spiro compounds from reactions of isatins with arylamines and cyclic 1,3-diketones....
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Figure 3: Molecular structure of spiro[dihydropyridine-oxindole] 2f.
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Scheme 2: Condensation reactions of isatins with cyclopentane-1,3-dione.
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Figure 4: Molecular structure of compound 3d.
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Scheme 3: Proposed reaction mechanism for the three-component reaction.
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- Published 26 Oct 2012
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Scheme 1: Synthesis of polysubstituted tetrahydroquinolines 1a–1m.
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Figure 1: Molecular structure of compound 1c.
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Scheme 2: The proposed mechanism of domino Povarov reaction.
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