Butterfly-like Tetraazaacenequinodimethane Derivatives: Synthesis, Structure and Halochromic Properties

Zhongbo Zhang; Wei Sun; Huanxiang Zhang; Xinxiong Li; Fei Yu; Jia Zhu; Xianggao Li; Qichun Zhang

doi:10.1002/asia.202000587

Butterfly-like Tetraazaacenequinodimethane Derivatives: Synthesis, Structure and Halochromic Properties

Zhongbo Zhang, Wei Sun, Huanxiang Zhang, Xinxiong Li, Fei Yu, Jia Zhu^*, Xianggao Li^*, Qichun Zhang^*

^*Corresponding author for this work

Department of Materials Science and Engineering

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

1 Citation (Scopus)

Abstract

Two novel molecules TAP and TAH with pronounced reversible halochromic properties have been synthesized and fully characterized. Their butterfly-like structures have been confirmed through single-crystal X-ray diffraction. Their UV-Vis absorption after protonation dramatically red-shifted with naked-eye-visible color change in a very dilute concentration of 10⁻⁵ M. Note that the original color of the solution can be recovered after the neutralization with a base.

Original language	English
Pages (from-to)	2198-2202
Journal	Chemistry - An Asian Journal
Volume	15
Issue number	14
Online published	2 Jun 2020
DOIs	https://doi.org/10.1002/asia.202000587
Publication status	Published - 16 Jul 2020

Research Keywords

Quinoidal
molecule azaacene
halochromic
QUINOXALINE DERIVATIVES
PHYSICAL-PROPERTIES
AZAACENES
INTERCONVERSION
BEHAVIOR

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title = "Butterfly-like Tetraazaacenequinodimethane Derivatives: Synthesis, Structure and Halochromic Properties",

abstract = "Two novel molecules TAP and TAH with pronounced reversible halochromic properties have been synthesized and fully characterized. Their butterfly-like structures have been confirmed through single-crystal X-ray diffraction. Their UV-Vis absorption after protonation dramatically red-shifted with naked-eye-visible color change in a very dilute concentration of 10−5 M. Note that the original color of the solution can be recovered after the neutralization with a base.",

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author = "Zhongbo Zhang and Wei Sun and Huanxiang Zhang and Xinxiong Li and Fei Yu and Jia Zhu and Xianggao Li and Qichun Zhang",

year = "2020",

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doi = "10.1002/asia.202000587",

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AU - Zhang, Zhongbo

AU - Sun, Wei

AU - Zhang, Huanxiang

AU - Li, Xinxiong

AU - Yu, Fei

AU - Zhu, Jia

AU - Li, Xianggao

AU - Zhang, Qichun

PY - 2020/7/16

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N2 - Two novel molecules TAP and TAH with pronounced reversible halochromic properties have been synthesized and fully characterized. Their butterfly-like structures have been confirmed through single-crystal X-ray diffraction. Their UV-Vis absorption after protonation dramatically red-shifted with naked-eye-visible color change in a very dilute concentration of 10−5 M. Note that the original color of the solution can be recovered after the neutralization with a base.

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Butterfly-like Tetraazaacenequinodimethane Derivatives: Synthesis, Structure and Halochromic Properties

Abstract

Research Keywords

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