Category: 348-54-9

Chemistry is traditionally divided into organic and inorganic chemistry. The former is the study of compounds containing at least one carbon-hydrogen bonds. 348-54-9, Name is 2-Fluoroaniline, molecular formula is C6H6FN, belongs to benzoxazole compound, is a common compound. In a patnet, author is Naikwade, Altafhusen, once mentioned the new application about 348-54-9, Quality Control of 2-Fluoroaniline.

Magnetic Nanoparticle Decorated N-Heterocyclic Carbene-Nickel Complex with Pendant Ferrocenyl Group for C-H Arylation of Benzoxazole

Magnetic nanoparticle decorated N-heterocyclic carbene-nickel complex with pendant ferrocenyl group has been prepared by multi-step procedure. The formation of complex was confirmed on the basis of analytical techniques such as Fourier transform infrared (FT-IR), Fourier transform Raman (FT-Raman) and X-ray photoelectron spectroscopy (XPS) as well as by X-ray diffraction (XRD), transmission electron microscopy (TEM) and vibrating sample magnetometer (VSM) analysis. The complex proved to be an efficient heterogeneous catalyst for C-H arylation of benzoxazole with aryl boronic acids. The recycling studies revealed that complex could be reused for six times without significant decrease in catalytic activity. [GRAPHICS] .

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Reference:
Benzoxazole – Wikipedia,
,Benzoxazole | C7H5NO – PubChem

Chemo-enzymatic cascade processes are invaluable due to their ability to rapidly construct high-value products from available feedstock chemicals in a one-pot relay manner. In an article, author is Mena, Leandro D., once mentioned the application of 348-54-9, Name is 2-Fluoroaniline, molecular formula is C6H6FN, molecular weight is 111.1169, MDL number is MFCD00007642, category is benzoxazole. Now introduce a scientific discovery about this category, Category: benzoxazole.

Impact of benzannulation on ESIPT in 2-(2 ‘-hydroxyphenyl)-oxazoles: a unified perspective in terms of excited-state aromaticity and intramolecular charge transfer

Hydroxyphenyl-azoles are among the most popular ESIPT (Excited State Intramolecular Proton Transfer) scaffolds and as such, they have been thoroughly studied. Nevertheless, some aspects regarding the interplay between the emissive properties of these fluorophores and the size of their pi-conjugated framework remain controversial. Previous studies have demonstrated that benzannulation of 2 ‘-hydroxyphenyl-oxazole at the phenol group of the molecule can lead to either red- or blue-shifted fluorescence emission, depending on the site where it occurs. In this report, benzannulation at the heterocyclic unit (the oxazole site) is analysed in order to get the whole picture. The extension of pi-conjugation does not significantly affect the ESIPT emission wavelength, but it leads instead to higher energy barriers for proton transfer in the first excited singlet state, as a consequence of dramatic changes in the charge transfer character of excitation caused by successive benzannulation. Theoretical calculations revealed an interesting connection between intramolecular charge transfer and excited-state aromaticity in the S-1 state. The theoretical approach presented herein allows the behaviour of hydroxyphenyl-oxazoles in the excited state to be rationalized and, more generally, a deeper understanding of the factors governing the ESIPT process to be obtained, a crucial point in the design of new and efficient fluorophores.

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Reference:
Benzoxazole – Wikipedia,
,Benzoxazole | C7H5NO – PubChem