Tautomeric equilibria in relation to pi-electron delocalization

ED Raczyńska, W Kosińska, B Ośmiałowski… - Chemical …, 2005 - ACS Publications
Tautomerism, a particular case of isomerism, plays an important role in modern organic
chemistry, biochemistry, medicinal chemistry, pharmacology, molecular biology, and life …

The use of NMR spectroscopy to study tautomerism

RM Claramunt, C López, MD Santa María… - Progress in Nuclear …, 2006 - Elsevier
This review is a summary of the enormous literature describing applications of NMR
spectroscopy to tautomerism. Almost all the publications dealing with tautomerism, since the …

Synthesis and evaluation of estrogen agonism of diaryl 4, 5-dihydroisoxazoles, 3-hydroxyketones, 3-methoxyketones, and 1, 3-diketones: a compound set forming a …

JT Pulkkinen, P Honkakoski… - Journal of medicinal …, 2008 - ACS Publications
In this paper, the preparation and systematic evaluation of estrogen receptor α (ERα) and
estrogen receptor β (ERβ) activities of some diaryl-1, 3-diones and their synthetic …

NMR spectroscopic study of tautomerism in solution and in the solid state

E Kleinpeter - Tautomerism: methods and theories, 2013 - Wiley Online Library
Established methods and new methodologies to study tautomerism by NMR spectroscopy
are reviewed. In addition, characteristic examples of the different types of tautomerism and …

Experimental Determination of Pseudorotation Potentials for Disubstituted Cyclopentanes Based on Spin–Spin Coupling Constants

SV Zubkov, VA Chertkov - International Journal of Molecular Sciences, 2003 - mdpi.com
Complete analysis of 1H-NMR spectra of trans-1, 2-dichlorocyclopentane and trans-1, 2-
dibromocyclopentane was performed with use of our total lineshape fitting algorithm …

VALISA: a new procedure for total lineshape analysis of NMR spectra. Conformational analysis of trans-1, 2-dibromocyclopentane

SV Zubkov, SS Golotvin, VA Chertkov - Russian chemical bulletin, 2002 - Springer
A new strategy of total lineshape analysis of the multiplet structure of NMR spectra was
proposed and a VALISA program was developed to implement the computational …

Conformational flexibility and role of aromatic–aromatic interactions in the crystal packing of the coordination compounds of some novel quadridentate Schiff bases

JT Pulkkinen, R Laatikainen, MJ Ahlgrén… - Journal of the …, 2000 - pubs.rsc.org
The synthesis and characterisation of two novel quadridentate Schiff base ligands N, N′-
ethylenebis (1, 5-diphenyl-4-iminopentan-2-one)(2a) and N, N′-ethylenebis [1, 5-di (1 …

Studies of Photoinduced NH Tautomerism by Stationary and Time-Resolved Fluorescence Techniques

A Kyrychenko, J Herbich, J Waluk - Edited by Liudmil Antonov, 2014 - Wiley Online Library
Photoinduced tautomerism represents one of the most fundamental processes in
photochemical reactions as well as in biological processes occurring in living systems. Two …

Condensation Products of 1-Aryl-3-ethoxycarbonyl-2-methyl-1, 4, 5, 6-tetrahydro-4 (1H) pyridones with Hydrazine, Phenylhydrazine, and Hydroxylamine

R Vaickelioniene, V Mickevicius… - Chemistry of Heterocyclic …, 2004 - Springer
We have studied condensation of 1-(4-bromophenyl-and 2, 5-dimethylphenyl)-3-
ethoxycarbonyl-2-methyl-1, 4, 5, 6-tetrahydro-4 (1H) pyridones with hydrazine …

Application of novel metallocomplexes for mimicking of cytochrome P450: Analysis of product distribution for 1-hexene as a substrate

J Pulkkinen, P Zachar, VA Borek, R Laatikainen… - Journal of Molecular …, 2004 - Elsevier
While the most catalysts applying for mimicking of oxygenation function of cytochrome P450
rely on the metalloporphyrins, we present here novel approach based on Mn+ …