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Crystal structure of and solvent effect on tautomeric equilibrium in Schiff base derived from 2-hydroxy-1-naphthaldehyde and methylamine studied by X-ray diffraction, DFT, NMR and IR methods
Abstract The structure of the Schiff base derived from 2-hydroxy-1-naphthaldehyde and methylamine (1) has been studied by X-ray diffraction, B3LYP/6-31G(d,p) calculations, NMR and FTIR spectroscopy.
Synthesis and spectroscopic study of Schiff bases derived from trans-1,2-diaminocyclohexane. Deuterium isotope effect on 13C chemical shift
Abstract The proton transfer in the intramolecular hydrogen bond in a series of Schiff bases derivatives of aromatic ortho-hydroxyaldehydes and trans-1,2-diaminocyclohexane has been studied by means
New dioxomolybdenum(VI) complexes of tetradentate Schiff base as catalysts for epoxidation of olefins
Six dioxomolybdenum(VI) complexes of Schiff-bases derivatives of trans-1,2-diaminocyclohexane and R-salicylaldehyde as well as 2-hydroxynaphthaldehyde have been synthesised and characterized by IR,
Solvent effect on intramolecular proton transfer equilibrium in some N-(R-salicylidene)-alkylamines
Abstract The solvent effect on tautomerism of Schiff bases has been studied by measuring the deuterium isotope effect on their 15 N NMR and UV–Vis spectra in different solvents. The interactions of
The 15N and 13C solid state NMR study of intramolecular hydrogen bond in some Schiff's bases.
A series of 11 Schiff's bases derived from substituted salicylaldehyde and aliphatic amines has been studied in the solid state by 15N and 13C cross-polarization magic angle spinning (CPMAS) nuclear
Photoactivation of the thermochromic solid di-anil of 2-hydroxy-5-methyl-isophthalaldehyde in β-cyclodextrin
The dual phenomenon of photo/thermochromism has been observed for the first time in inclusion complexes of anils with β-cyclodextrin. Thus, the solid inclusion complex of the strongly thermochromic
The Relationship between the Structure and Properties of Amino Acid Ionic Liquids
TLDR
Viscosity, specific rotation, surface activity, thermal stability (TG), and phase transformations (DSC) have been determined and compared with available data, and benzalkonium, didecyldimethylammonium, dodecyltrimethylimidazolium, and octadecyltrimthylammonia amino acid ionic liquids have been shown to exhibit surface activity.
Modification of Rapana thomasiana hemocyanin with choline amino acid salts significantly enhances its antiproliferative activity against MCF-7 human breast cancer cells
This is the first study on the interactions of ionic liquids with large metalloproteins, in particular hemocyanins (Hcs). At first, complexes of a Hc from Rapana thomasiana (RtH) with a series of
NMR study of proton transfer equilibrium in Schiff bases derived from 2‐hydroxy‐1‐naphthaldehyde and 1‐hydroxy‐2‐acetonaphthone. Deuterium isotope effects on 13C and 15N chemical shifts
The proton transfer equilibrium in series of Schiff bases derived from 2‐hydroxy‐1‐naphthaldehyde and 1‐hydroxy‐2‐acetonaphthone were measured by means of 1H, 13C and 15N NMR spectra and deuterium
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