New Advances in Chemical Research in 2021.The dynamic chemical diversity of the numerous elements, ions and molecules that constitute the basis of life provides wide challenges and opportunities for research. 5471-63-6, Name is 1,3-Diphenylisobenzofuran, molecular formula is , belongs to benzoxazole compound. In a document, author is Chae, Boknam, Category: benzoxazole.
Two-dimensional (2D) correlation analysis of in situ MR spectra was used to probe the thermally induced structural changes in a poly(hydroxyamide) (PHA) precursor prepared from the reaction of 2,2-bis(3-amino-4-hydroxyphenyl)hexafluoropropane (Bis-AP-AF) with terephthaloyl chloride. Large spectral changes in the in situ FTIR spectra of the PHA precursor film were observed in the range of 200-300 degrees C. The thermal cyclodehydration reaction of the PHA precursor film strongly affects the spectral changes corresponding to the amide group and the adjacent phenyl ring in the Bis-AP-AF unit. The thermal cyclodehydration reaction of the PHA precursor film in the range of 240-300 degrees C induced the spectral changes in amide linkage before the formation of the benzoxazole ring. (C) 2018 Elsevier B.V. All rights reserved.
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Reference:
Benzoxazole – Wikipedia,
,Benzoxazole | C7H5NO – PubChem