In an article, author is Chae, Boknam, once mentioned the application of 5471-63-6, Quality Control of 1,3-Diphenylisobenzofuran, Name is 1,3-Diphenylisobenzofuran, molecular formula is C20H14O, molecular weight is 270.3246, MDL number is MFCD00005931, category is benzoxazole. Now introduce a scientific discovery about this category.
Thermal induced structural changes of polyhydroxyamide by two-dimensional (2D) infrared correlation study
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