Xi Zeng

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A readily accessible multifunctional probe: simultaneous recognition of the cation ZN²⁺ and the anion F⁻ via distinguishable wavelengths

Wuji huaxue xuebao (2017)

Zeng Li Jiang Lin Zhao Lan Mu Xi Zeng Gang Wei

The probe 1 was readily prepared via condensation of 8-formyl-7-hydroxy-coumarin and carbonic dihydrazide in a one-step procedure. Probe 1 exhibited high sensitivity and selectivity towards Zn²⁺ and F⁻ through a “turn-on” fluorescence response and/or ratiometric colorimetric response with low detection limits of the order of 10-8 M. The complex behaviour was fully investigated by spectral titration, isothermal titration calorimetry, 1H NMR spectroscopic titration and mass spectrometry. Interestingly, probe 1 not only recognizes the cation Zn²⁺ and the anion F⁻, but can also distinguish between these two ions via the max wavelength in their UV-vis spectra (360 nm for 1-Zn²⁺ versus 400 nm for 1-F⁻ complex) or their fluorescent spectra (λₑₓ / λₑm = 360 nm/ 454 nm for 1-Zn²⁺ versus λₑₓ / λₑm = 400 nm/ 475 nm for 1-F⁻ complex) due to their differing red-shifts. Additionally, probe 1 has been further explored in the detection of Zn²⁺ in living cells.

Isothermal Titration Calorimetry

Proton NMR

10.11862/cjic.2017.076

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Citations (0)

Synthesis, structure and inclusion properties of cone-tris{[(5′-methyl-2,2′-bipyridyl)-5-yl]oxycarbonylmethoxy}hexahomotrioxacalix[3]arene

Journal of inclusion phenomena and molecular recognition in chemistry (2011)

Xin‐Long Ni Masashi Takimoto Xi Zeng Takehiko Yamato

Moiety

10.1007/s10847-011-9936-3

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Citations (7)

A Rare and Exclusive Endoperoxide Photoproduct Derived from a Thiacalix[4]arene Crown‐Shaped Derivative Bearing a 9,10‐Substituted Anthracene Moiety

Chemistry - An Asian Journal (2016)

Jiang‐Lin Zhao Chong Wu Hirotsugu Tomiyasu Xi Zeng M.R.J. Elsegood

A rare and exclusive endoperoxide photoproduct was quantitatively obtained from a thiacalix[4]arene crown-shaped derivative upon irradiation at λ=365 nm; the structure was unambiguously confirmed by (1) H/(13) C NMR spectroscopy and X-ray crystallography. The prerequisites for the formation of the endoperoxide photoproduct have also been discussed. Furthermore, the photochemical reaction rate could be greatly enhanced in the presence of the thiacalix[4]arene platform because it served as a host to capture oxygen.

Moiety

Derivative (finance)

10.1002/asia.201600202

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Citations (11)

Local Conformations of Poly(vinyl methyl ether)

Chemical Research in Chinese Universities (2005)

Xi Zeng

Side chain

Force Field

Source

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Citations (1)

A multifunctional tripodal fluorescent probe for the recognition of Cr3+, Al3+, Zn2+ and F− with controllable ESIPT processes

Dyes and Pigments (2018)

Hong Zhang Tao Sun Qin Ruan Jiang‐Lin Zhao Lan Mu

Stokes shift

Proton NMR

10.1016/j.dyepig.2018.10.025

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Citations (52)

CCDC 800893: Experimental Crystal Structure Determination

The Cambridge Structural Database (2015)

Qiang Sun Lan Mu Xi Zeng Jiang‐Lin Zhao Takehiko Yamato

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.

10.5517/ccvwd8c

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Citations (0)

Host–guest assembly of H33258 dye in cucurbit[7]uril and specific recognition for HPO42− anion

Inorganic Chemistry Communications (2019)

Meixiang Yang Ming Liu Mei Yang Qin Wang Xi Zeng

Moiety

Dumbbell

Piperazine

Host–guest chemistry

10.1016/j.inoche.2019.107514

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