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Issue 40, 2014
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Multiple optical properties of a naphthoquinone pigment: 2-methyl-3-(hydroxyphenylthio)-1,4-naphthalenedione

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Abstract

Naphthoquinone pigments 2-methyl-3-(4- or 2-hydroxyphenylthio)-1,4-naphthalenedione show characteristic optical properties in solution and in the solid state. The position of the OH group in the pigment leads to varied optical properties, including a characteristic colour, in the solid state. The pigment with a 2-OH substituent displays solvatochromism in solution, and that with a 4-OH substituent displays optical chirality in the solid state.

Graphical abstract: Multiple optical properties of a naphthoquinone pigment: 2-methyl-3-(hydroxyphenylthio)-1,4-naphthalenedione

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Publication details

The article was received on 22 May 2014, accepted on 07 Aug 2014 and first published on 13 Aug 2014


Article type: Paper
DOI: 10.1039/C4OB01058B
Citation: Org. Biomol. Chem., 2014,12, 7965-7970
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    Multiple optical properties of a naphthoquinone pigment: 2-methyl-3-(hydroxyphenylthio)-1,4-naphthalenedione

    H. Akiyama, T. Inoue, N. Tajima, R. Kuroda and Y. Imai, Org. Biomol. Chem., 2014, 12, 7965
    DOI: 10.1039/C4OB01058B

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