5-Amino-2-thiazolylpyridine N-Oxides: Synthesis and Properties

Murai, Toshiaki; Nakatsu, Yuuta; Tsuchiya, Yoichi; Yamaguchi, Kirara; Maruyama, Toshifumi; Miwa, Yohei; Kutsumizu, Shoichi

doi:10.3987/com-19-s(f)51

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“…Therefore, a considerable number of these compounds have been developed. [38][39][40][41][42][43][44] 5-N-Arylaminothiazoles are a class of uorescent compounds bearing a exible conformational geometry with non-planar carbon skeletons. 38 These compounds are synthesized by reacting secondary thioamide and thioformamides via thioamide dianions and thiazolines.…”

Section: Introductionmentioning

confidence: 99%

5-N-Arylaminothiazoles with pyridyl groups and their first-row transition metal complexes: synthesis, photophysical properties, and Zn sensing

2022

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Section: Introductionmentioning

confidence: 99%

5-N-Arylaminothiazoles with pyridyl groups and their first-row transition metal complexes: synthesis, photophysical properties, and Zn sensing

2022

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N,N-Diarylthiazol-5-amines: Structure-Specific Mechanofluorochromism and White Light Emission in the Solid State

Tsuchiya

Yamaguchi

Miwa

et al. 2020

Bulletin of the Chemical Society of Japan

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A range of N,N-diarylthiazol-5-amines having a 4-pyridyl group on a thiazole ring were developed, and their photophysical properties were elucidated. Their synthesis was achieved by applying our methods to the combination of N-arylmethyl secondary thioamides and N,N-diarylthioformamides. This enabled us to obtain amines with different types of aromatic groups on the nitrogen atom. Their absorption and emission spectra in solution were examined. The 4-pyridyl group gives higher polarity to the amines. The solid-state emissions of the amines were also evaluated. Several amines showed mechanofluorochromism (MFC). A 4-pyridyl group on a thiazole ring was a requisite for the expression of MFC properties. Although N-(5-thiazolyl) N,N-di(2-naphthyl)amines did not exhibit MFC by grinding of the pristine powder, white-light emission was observed when the ground powder was fumed with acetone vapor.

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5-Amino-2-thiazolylpyridine N-Oxides: Synthesis and Properties

Cited by 2 publications

References 31 publications

5-N-Arylaminothiazoles with pyridyl groups and their first-row transition metal complexes: synthesis, photophysical properties, and Zn sensing

5-N-Arylaminothiazoles with pyridyl groups and their first-row transition metal complexes: synthesis, photophysical properties, and Zn sensing

N,N-Diarylthiazol-5-amines: Structure-Specific Mechanofluorochromism and White Light Emission in the Solid State

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