New research progress on 363-72-4 in 2021.Enzyme inhibitors cause a decrease in the reaction rate of an enzyme-catalyzed reaction by binding to a specific portion of an enzyme and thus slowing or preventing a reaction from occurring. 363-72-4, Name is Pentafluorobenzene, molecular formula is , belongs to benzoxazole compound. In a document, author is Yang, Rui, Application In Synthesis of Pentafluorobenzene.
In this study, an amide functionalized bis-benzoxazine (AI-al) has been synthesized using allylamine,ortho-amide functional bis-phenol and paraformaldehyde as raw materials via Mannich condensation. This newly obtained benzoxazine has been used to react with polydimethylsiloxane (PDMS) through hydrosilylation to form poly(benzoxazine-co-amide-co-siloxane) (AI-al-PDMS) featuring siloxane, amide and benzoxazine as repeating units. The chemical structures of both oxazine ring-containing monomer and copolymer are confirmed by NMR and FT-IR spectroscopies. Besides, the thermally activated polymerization behaviors of AI-al and AI-al-PDMS are investigated by DSC, and the subsequent conversion of benzoxazole formation is studied by in situ FT-IR. Moreover, dynamic mechanical analysis and thermogravimetric analysis are used to determine the thermal properties of the cross-linked polymers. The resulting cross-linked poly(benzoxazole-co-siloxane) derived from AI-al-PDMS shows excellent thermal stability (noT(g)can be observed before 400 degrees C; Td5 of 393 degrees C) and low dielectric constants (2.52-2.13 in the frequency range of 1 Hz to 1 MHz), evidencing its great potential applications in electronic packing, aerospace, and other high-performance fields.
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Reference:
Benzoxazole – Wikipedia,
,Benzoxazole | C7H5NO – PubChem