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List of works by Poul Erik Hansen

4-Hydroxy-1-naphthaldehydes: proton transfer or deprotonation.

scientific article published on April 2015

A Reinvestigation of the Ionic Liquid Diisopropylethylammonium Formate by NMR and DFT Methods

scientific article published on 12 October 2016

A Simple, Effective, Green Method for the Regioselective 3-Acylation of Unprotected Indoles

scientific article published on 27 October 2015

Ab initio calculations of deuterium isotope effects on chemical shifts of salt-bridged lysines.

scientific article

Arresting consecutive steps of a photochromic reaction: studies of β-thioxoketones combining laser photolysis with NMR detection.

scientific article

Binding of topotecan to a nicked DNA oligomer in solution.

scientific article published on January 2008

Chemical constituents from Sonneratia ovata Backer and their in vitro cytotoxicity and acetylcholinesterase inhibitory activities

scientific article published on 11 April 2015

Chemical constituents of Geum urbanum L. roots.

scientific article published on 24 January 2018

Computational Prediction of 1 H and 13 C NMR Chemical Shifts for Protonated Alkylpyrroles: Electron Correlation and Not Solvation is the Salvation

scientific article published on 07 December 2018

Density functional theory study of intramolecular hydrogen bonding and proton transfer in o-hydroxyaryl ketimines

scientific article published on 22 March 2008

Derivatives of usnic acid cause cytostatic effect in Caco-2 cells

scientific article published on 30 April 2020

Detection of salt bridges to lysines in solution in barnase

scientific article published on 01 October 2013

Determination of the tautomeric equilibria of pyridoyl benzoyl β-diketones in the liquid and solid state through the use of deuterium isotope effects on (1)H and (13)C NMR chemical shifts and spin coupling constants

scientific article published on 06 September 2013

Deuterium Isotope Effects on 14,15N Chemical Shifts of Ammonium Ions: A Solid State NMR Study

Deuterium isotope effects on 13C chemical shifts of negatively charged NH…N systems.

scientific article published on 23 August 2013

Deuterium isotope effects on 13C chemical shifts of nitromalonamide.

scientific article published in August 2008

Deuterium isotope effects on ¹³C-NMR chemical shifts of 10-hydroxybenzo[h]quinolines.

scientific article

Differences in the structure of anthocyanins from the two amphibious plants, Lobelia cardinalis and Nesaea crassicaulis

scientific article published on 13 June 2012

Dye-sensitized solar cells and complexes between pyridines and iodines. A NMR, IR and DFT study.

scientific article published on 19 August 2012

Dynamics of excited state proton transfer in nitro substituted 10-hydroxybenzo[h]quinolines

scientific article published on 27 September 2017

Friedolanostane, friedocycloartane and benzophenone constituents of the bark and leaves of Garcinia benthami

scientific article published on 16 December 2010

Individualization of treatments with drugs metabolized by CES1: combining genetics and metabolomics.

scientific article

Intramolecular Hydrogen Bonds in Normal and Sterically Compressed o-Hydroxy Aromatic Aldehydes. Isotope Effects on Chemical Shifts and Hydrogen Bond Strength

scientific article published on 11 December 2019

Isotope effects on chemical shifts in the study of intramolecular hydrogen bonds

scientific article

Long-range deuterium isotope effects on (13)C chemical shifts of intramolecularly hydrogen-bonded N-substituted 3-(cycloamine)thiopropionamides or amides: a case of electric field effects

scientific article published on 01 May 2007

Methodological problems in determining TCAA in soils-the discovery of novel natural trichloroacetyl containing compounds and their interference with a common method for determining TCAA in soil and vegetation.

scientific article published on 22 December 2009

Multiple binding modes of the camptothecin family to DNA oligomers.

scientific article published in November 2004

NMR of a series of novel hydroxyflavothiones.

scientific article published in December 2009

NMR, MP2, and DFT study of thiophenoxyketenimines (o-thio-Schiff bases): Determination of the preferred form.

scientific article published on 8 November 2017

New erythritol derivatives from the fertile form of Roccella montagnei. ⬇️

scientific article

Nomenclature for alleles of the human carboxylesterase 1 gene.

scientific article published on 9 November 2016

Oliveridepsidones A-D, antioxidant depsidones from Garcinia oliveri

scientific article published on 08 March 2012

One-bond 1 J(15 N,H) coupling constants at sp2 hybridized nitrogen of Schiff bases, enaminones and similar compounds. A theoretical study

scientific article published on 16 May 2020

Pharmacological profile of xanthohumol, a prenylated flavonoid from hops (Humulus lupulus).

scientific article published on 07 January 2015

Progress of Bromophenols in Marine Algae from 2011 to 2020: Structure, Bioactivities, and Applications

scientific article published on 04 August 2020

Strong intramolecular hydrogen bonds and steric effects involving C═S groups: An NMR and computational study

scientific article published on 03 December 2019

Structural studies of the chemical constituents of Tithonia tagetiflora Desv. (Asteraceae).

scientific article

Structure elucidation of four new megastigmanes from Sonneratia ovata Backer

scientific article published on 28 August 2014

Structure of a new usnic acid derivative from a deacylating Mannich reaction: NMR studies supported by theoretical calculations of chemical shifts

scientific article published on 02 July 2018

The influence of organic matter on sorption and fate of glyphosate in soil--comparing different soils and humic substances.

scientific article

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