Intramolecular hydrogen bonding in o‐hydroxyaryl Schiff bases

A Filarowski - Journal of physical organic chemistry, 2005 - Wiley Online Library
This review deals with selected aspects of research on o‐hydroxyaryl Schiff bases. Special
attention is given to results obtained by x‐ray, IR, UV and NMR spectroscopic methods and …

Tautomerism in hydroxynaphthaldehyde anils and azo analogues: a combined experimental and computational study

WMF Fabian, L Antonov, D Nedeltcheva… - The Journal of …, 2004 - ACS Publications
The enol imine⇄ enaminone tautomerization constants, KT, and thermodynamic parameters,
Δ HT and Δ ST, of 1-hydroxy-2-naphthaldehyde Schiff bases are determined by UV/vis …

Low barrier hydrogen bonds in sterically modified Schiff bases

A Filarowski, A Koll, T Glowiak - Journal of the Chemical Society …, 2002 - pubs.rsc.org
Five derivatives of an ortho-hydroxy Schiff base (2-(N-alkyl-α-iminoethyl) phenols) with very
short intramolecular hydrogen bonds (dO (H)⋯ N≤ 2.500 Å) were synthesised. The crystal …

Intramolecular hydrogen bonding in o-hydroxy aryl Schiff bases

A Filarowski, A Koll, L Sobczyk - Current Organic Chemistry, 2009 - ingentaconnect.com
This review is composed of several chapters dealing with research on the o-hydroxy aryl
Schiff bases. The introduction comments on modern problems of quasi-aromatic formation …

Proton transfer equilibrium in the intramolecular hydrogen bridge in sterically hindered Schiff bases

A Filarowski, A Koll, T Głowiak - Journal of Molecular structure, 2002 - Elsevier
Six Schiff bases (4-chloro-2-(1-ethylimino-ethyl)-5-methyl-phenol (I), 2, 4-dichloro-6-(1-
ethylamino-ethylidene)-cyclohexa-2, 4-dienone (II), 4-chloro-2-nitro-6-(1-ethylamino …

Structure and hydrogen bonding in ortho-hydroxy Ketimines

A Filarowski, A Koll, T Głowiak - Journal of molecular structure, 2003 - Elsevier
Two ortho-hydroxy Ketimines (2, 2′-dihydroxybenzophenone-N-methyl-imine (1) and 2,
2′-dihydroxy-4-methoxy-benzophenone-N-methyl-imine (2)) were synthesized with the …

Thermal-Robust Phenoxyimine Titanium Catalysts Bearing Bulky Sidearms for High Temperature Ethylene Homo-/Co-Polymerizations

X Wang, L Ma, X Wang, W Zhao, H Liu, X Zhang… - Polymers, 2024 - mdpi.com
A family of titanium complexes (Ti1–Ti7) with the general formula LTiCl3, supported by
tridentate phenoxyimine [O− NO] ligands (L1–L7) bearing bulky sidearms, were synthesized …

Crystal Chemistry and Prototropic Tautomerism in 2-(1-Iminoalkyl)-phenols (or naphthols) and 2-Diazenyl-phenols (or naphthols)

V Bertolasi, P Gilli, G Gilli - Current Organic Chemistry, 2009 - ingentaconnect.com
This review reports a systematic investigation, carried out on the Cambridge
Crystallographic Database (CSD), on the structural features of iminoalkyl-phenols (or …

Existence of a resonance hybrid structure as a result of proton tautomerism in (±)-(E)-4-bromo-2-[(2, 3-dihydroxypropylimino) methyl] phenol racemate

Ç Albayrak, G Kaştaş, M Odabaşoğlu… - … Acta Part A: Molecular …, 2014 - Elsevier
Abstract o-Hydroxy Schiff bases have two tautomers known as phenol-imine and keto-amine
forms. In the present work, the tautomerism in (E)-4-Bromo-2-[(2, 3-dihydroxypropylimino) …

Factor Analysis of Deuterium Isotope Effects on 13C NMR Chemical Shifts in Schiff Bases

PM Dominiak, A Filarowski, PE Hansen… - … –A European Journal, 2005 - Wiley Online Library
We have analyzed deuterium isotope effects on 13C chemical shifts in a series of o‐hydroxy
Schiff bases by applying factor analysis. Two orthogonal factors were obtained that explain …