Click chemistry towards thermally reversible photochromic 4,5-bisthiazolyl-1,2,3-triazoles.

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ID: 58112
2019
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Abstract
Three new diarylethenes were synthesized from 1,2-bis(5-methyl-2-(4-substituted-phenyl)thiazol-4-yl)ethyne and benzyl azide through Ru(I)-catalyzed Huisgen cyclization reactions. The 4,5-bisthiazolyl-1,2,3-triazoles thus prepared, which belong to the terarylene family, showed thermally reversible photochromism. The absorption maximum wavelengths of the closed forms are longer than other terarylenes reported so far. The thermal back reactions are much faster when the substituents on the terminal phenyl groups are electron-withdrawing cyano groups than when they are electron-donating methoxy groups.
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zhang2019clickbeilstein Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Zhang, Chenxia;Morinaka, Kaori;Kose, Mahmut;Ubukata, Takashi;Yokoyama, Yasushi;
Journal Beilstein journal of organic chemistry
Year 2019
DOI
10.3762/bjoc.15.213
URL
Keywords
aromatic stabilization energy diarylethene ruthenium(i) catalysed huisgen cyclization terarylene thermally reversible photochromism

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