Name: 2-(2-(4-Chlorophenyl)acetyl)benzoic acid, Academic researchers, R&D teams, teachers, students, policy makers and the media all rely on us to share knowledge that is reliable, accurate and cutting-edge. 53242-76-5, Name is 2-(2-(4-Chlorophenyl)acetyl)benzoic acid, SMILES is O=C(O)C1=CC=CC=C1C(CC2=CC=C(Cl)C=C2)=O, belongs to isothiazole compound. In a article, author is Miyazaki, Jun, introduce new discover of the category.
UV-induced photoreactions of thiazole isolated in low-temperature argon matrices have been investigated by a joint use of infrared spectroscopy and density-functional-theory calculations. Photoproducts have been identified by comparison of the observed infrared spectra with the corresponding calculated spectral patterns, leading to the conclusion that undetected open-chain molecules, syn-2-isocyanoethenethiol (C N-CH CH-SH) and 2-isocyanothiirane, are initially produced by cleavage of the CS-CN bond with hydrogen-atom migration, when the matrix samples are exposed to UV radiation coming from a super high-pressure mercury lamp for 3 min. In the secondary photolysis, syn-2-isocyanoethenethiol and 2-isocyanothiirane change to another unknown molecule, 2isocyanoethanethial (C N-CH2 CH-SH), by hydrogen-atom migration with generation of the C S double bond. These photoreaction pathways are supported by kinetic analysis of the absorbance changes of IR bands against irradiation time. We have also found that HC N and the cCH CH-Sc biradical are photodecomposed from thiazole by cleavage of the CN-CC bond following the cleavage of the CS-CN bond, where the hydrogen atom on the center carbon atom of center dot CHCH-S center dot immediately migrates to the end carbon atom to form CH2 C S or to the sulfur atom to form HC C-SH. In addition, weak bands of the species of interest in astrophysics and astrochemistry such as HC CH, N C-SH, HN C S, HC NS, and the center dot CN radical are detected, but the photoconversion from thiazole to isothiazole or Dewar thiazole is not found. The ring-opening photoreaction, photoisomerization and photodecomposition pathways of thiazole isolated in low-temperature argon matrices are discussed comprehensively.
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Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com