In an article, published in an article, once mentioned the application of 349-49-5, Name is 4-(Trifluoromethyl)thiazol-2-amine,molecular formula is C4H3F3N2S, is a conventional compound. this article was the specific content is as follows.Quality Control of: 4-(Trifluoromethyl)thiazol-2-amine
A series of alkyl thiazole-2-carboxylates containing a range of substituents at the 4- and 5-positions has been prepared.Solutions of these esters (mostly new compounds) show well resolved doublets in the i.r.C=O region which arise from rotational isomers.The higher wavenumber components are assigned to the more polar carbonyl O,S-anti-s-trans-rotamers and the lower wavenumber components to the carbonyl O,S-syn-s-trans-forms.Small, but systematic, differences between the methyl esters are noted.
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Reference：
Thiazole | C3H4935NS – PubChem,
Thiazole | chemical compound | Britannica