New discoveries in chemical research and development in 2021. The appropriate choice of redox mediator can avoid electrode passivation and overpotential, which strongly inhibit the efficient activation of substrates in electrolysis.319-03-9, Name is 5-Fluoroisobenzofuran-1,3-dione, molecular formula is C8H3FO3. In an article, author is Zomorodian, Kamiar,once mentioned of 319-03-9, Formula: https://www.ambeed.com/products/319-03-9.html.
A simple and efficient method has been developed for the synthesis of benzoxazole derivatives. In the first step, 2-aminophenols reacted with various aldehydes in the presence of titanium supported nano-silica to produce an imine intermediate. Then the imine was oxidized to get the final azole compounds. Eleven derivatives were synthesized (c)-(m) via this simple and environmentally friendly procedure with high yields. The simple methodology (only 2 steps) with high yields for the reactions and easy procedure are the advantages of the newly developed method. The identification and characterization of all the synthesized compounds were confirmed by melting point, thin layer chromatography, FT-IR, H-1 NMR and C-13 NMR spectral data. Also elemental analysis was applied for five compounds. All the compounds were screened for antimicrobial activity by broth microdilution methods as recommended by CLSI. Of the tested compounds 2-(2,4-dichlorophenyl)-1,3-benzoxazole (g), and 2-( 4-chlorophenyl)-1,3-benzoxazole (f) inhibited the growth of all examined fungi, while 2-(4-nitrophenyl)-1,3-benzoxazole (c) exhibited inhibitory activities only against the tested yeasts.
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Reference:
Benzoxazole – Wikipedia,
,Benzoxazole | C7H5NO – PubChem