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2 article(s) from Velmurugan, Krishnasamy

Tetraphenylethylene-embedded pillar[5]arene-based orthogonal self-assembly for efficient photocatalysis in water

Zhihang Bai,
Krishnasamy Velmurugan,
Xueqi Tian,
Minzan Zuo,
Kaiya Wang and
Xiao-Yu Hu

Beilstein J. Org. Chem. 2022, 18, 429–437, doi:10.3762/bjoc.18.45

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Graphical Abstract

Scheme 1: Graphical representation of the fabrication of supramolecular m-TPEWP5 [Graphic 5] G-EsY self-assembled photocat...

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Figure 1: ¹H NMR (400 MHz, D₂O, 298 K) spectra of m-TPEWP5 (1.0 mM), m-TPEWP5 (1.0 mM) + G (1.0 mM), and G (1...

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Figure 2: (a) Fluorescence spectra of m-TPEWP5 (1 × 10⁻⁵ M) with different concentrations of G (0 to 1.2 equi...

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Figure 3: TEM images of (a) m-TPEWP5 [Graphic 15] G; (b) m-TPEWP5 [Graphic 16] G-EsY. [m-TPEWP5] = 1 × 10⁻⁴ M, [G] = 1 × 10⁻⁴ M, [EsY] = ...

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Figure 4: (a) Normalized absorption and emission spectra of the EsY acceptor and the m-TPEWP5 [Graphic 25] G donor assembly...

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Scheme 2: Products from 2-bromo-1-phenylethanone dehalogenation reactions in the presence of m-TPEWP5 [Graphic 43] G-EsY na...

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Figure 5: Proposed mechanism for the 2-bromo-1-phenylethanone dehalogenation reaction mediated by m-TPEWP5 [Graphic 48] G-E...

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Full Research Paper

Published 13 Apr 2022

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Insight into functionalized-macrocycles-guided supramolecular photocatalysis

Minzan Zuo,
Krishnasamy Velmurugan,
Kaiya Wang,
Xueqi Tian and
Xiao-Yu Hu

Beilstein J. Org. Chem. 2021, 17, 139–155, doi:10.3762/bjoc.17.15

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Graphical Abstract

Figure 1: Chemical structures of representative macrocycles.

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Figure 2: Ba²⁺-induced intermolecular [2 + 2]-photocycloaddition of crown ether-functionalized substrates 1 a...

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Figure 3: Energy transfer system constructed of a BODIPY–zinc porphyrin–crown ether triad assembly bound to a...

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Figure 4: The sensitizer 5 was prepared by a flavin–zinc(II)–cyclen complex for the photooxidation of benzyl ...

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Figure 5: Enantiodifferentiating Z–E photoisomerization of cyclooctene sensitized by a chiral sensitizer as t...

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Figure 6: Structures of the modified CDs as chiral sensitizing hosts. Adapted with permission from [24], Copyrigh...

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Figure 7: Supramolecular 1:1 and 2:2 complexations of AC with the cationic β-CD derivatives 16–21 and subsequ...

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Figure 8: Construction of the TiO₂–AuNCs@β-CD photocatalyst. Republished with permission of The Royal Society...

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Figure 9: Visible-light-driven conversion of benzyl alcohol to H₂ and a vicinal diol or to H₂ and benzaldehyd...

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Figure 10: (a) Structures of CDs, (b) CoPyS, and (c) EY. Republished with permission of The Royal Society of C...

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Figure 11: Conversion of CO₂ to CO by ReP/HO-TPA–TiO₂. Republished with permission of The Royal Society of Che...

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Figure 12: Thiacalix[4]arene-protected TiO₂ clusters for H₂ evolution. Reprinted with permission from [37], Copyri...

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Figure 13: 4-Methoxycalix[7]arene film-based TiO₂ photocatalytic system. Reprinted from [38], Materials Today Chem...

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Figure 14: (a) Photodimerization of 6-methylcoumarin (22). (b) Catalytic cycle for the photodimerization of 22...

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Figure 15: Formation of a supramolecular PDI–CB[7] complex and structures of monomers and the chain transfer a...

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Figure 16: Ternary self-assembled system for photocatalytic H₂ evolution (a) and structure of 27 (b). Figure 16 reprodu...

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Figure 17: Structures of COP-1, CMP-1, and their substrate S-1 and S-2.

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Figure 18: Supramolecular self-assembly of the light-harvesting system formed by WP5, β-CAR, and Chl-b. Reprod...

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Figure 19: Photocyclodimerization of AC based on WP5 and WP6.

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Review

Published 18 Jan 2021

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