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ABSTRACT:
SUBMITTER: Yamaguchi K
PROVIDER: S-EPMC5062007 | biostudies-literature | 2016 Oct
REPOSITORIES: biostudies-literature
Yamaguchi Kirara K Murai Toshiaki T Guo Jing-Dong JD Sasamori Takahiro T Tokitoh Norihiro N
ChemistryOpen 20160802 5
Solutions of 5-<i>N</i>-arylaminothiazoles containing pyridyl groups exhibited clear halochromism and halofluorism upon addition of Brønsted and Lewis acids. The addition of triflic acid to solutions of 5-<i>N</i>-arylaminothiazoles in Et<sub>2</sub>O induced bathochromic shifts of the absorption and emission bands. DFT calculations suggested that the spectral changes arise from the protonation of the pyridyl group of the thiazoles in Et<sub>2</sub>O. Single-crystal X-ray diffraction analysis of ...[more]