7693-46-1, Name is 4-Nitrophenyl chloroformate, molecular formula is C7H4ClNO4, belongs to chiral-nitrogen-ligands compound, is a common compound. In a patnet, author is Gus’kov, Vladimir Yu, once mentioned the new application about 7693-46-1, Safety of 4-Nitrophenyl chloroformate.
The emergence of chirality in cyanuric acid conglomerates by Viedma ripening: Surface characterization, chirality assessment and applications in chromatography
In this paper, an attempt was made to obtain chiral conglomerates of cyanuric acid (CA) on the surfaces of different adsorbents, under similar to Viedma ripening conditions. To estimate CA conglomerate size, nanoparticle size analysis was performed. To characterize CA surface properties, scanning electron microscopy, nitrogen adsorption-desorption at 77 K, benzene and water adsorption were applied. The chiral recognition capability of CA was determined by enantiomer adsorption by CA-modified adsorbents from n-hexane solutions with polarimetric control and by analysis of enantiomer adsorption isotherms from the gas phase. Both methods showed the capability of CA regarding chiral recognition.
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Reference:
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis¡ªI. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
,Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis