Solvatochromism and pH effect on the emission of a triphenylimidazole-phenylacrylonitrile derivative: experimental and DFT studies

K Anandhan, M Cerón, V Perumal, P Ceballos… - RSC …, 2019 - pubs.rsc.org
In this work, a study of the photophysical properties in different solvents and at different pH
values of a luminogenic compound with a donor–π–acceptor (D–π–A) structure was carried …

Quantitative analysis of weak non-covalent interactions in (Z)-3-(4-halophenyl)-2-(pyridin-2/3/4-yl) acrylonitriles

P Venkatesan, M Cerón, S Thamotharan, F Robles… - …, 2018 - pubs.rsc.org
A detailed experimental and theoretical investigation on the intermolecular interactions in (Z)-
3-(4-halophenyl)-2-(pyridin-2/3/4-yl) acrylonitriles is reported. The intermolecular …

Theoretical and experimental spectroscopic analysis of cyano-substituted styrylpyridine compounds

ME Castro, MJ Percino, VM Chapela, M Ceron… - International Journal of …, 2013 - mdpi.com
A combined theoretical and experimental study on the structure, infrared, UV-Vis and 1H
NMR data of trans-2-(m-cyanostyryl) pyridine, trans-2-[3-methyl-(m-cyanostyryl)] pyridine …

Solution and solid-state photophysical properties of positional Isomeric acrylonitrile derivatives with Core pyridine and phenyl moieties: experimental and DFT studies

A Castillo, P Ceballos, P Santos, M Cerón… - Molecules, 2021 - mdpi.com
The compounds I (Z)-2-(phenyl)-3-(2, 4, 5-trimethoxyphenyl) acrylonitrile with one side (2, 4,
5-MeO-), one symmetrical (2 Z, 2′ Z)-2, 2′-(1, 4-phenylene) bis (3-(2, 4, 5 …

Synthesis, optical, and spectroscopic characterisation of substituted 3-phenyl-2-arylacrylonitriles

MJ Percino, VM Chapela, E Pérez-Gutiérrez, M Cerón… - Chemical Papers, 2011 - Springer
The Knoevenagel condensation between aldehydes and substrates with active methylene
groups was applied to synthesise a series of 3-(4-substituted phenyl)-2-arylacrylonitriles …

Supramolecular assembly governed by tetrel, CN⋅⋅⋅ π and other weak noncovalent interactions in two acrylonitrile derivatives with D-π-A topology: Crystallography …

E Pérez-Gutiérrez, M Udayakumar, P Ceballos… - Journal of Molecular …, 2025 - Elsevier
Two D-π-A acrylonitriles,(Z)-3-(4-methoxyphenyl)-2-(pyridin-4-yl) acrylonitrile (1) and (Z)-3-
(4-piperidin-1-yl)-2-(pyridin-4-yl) acrylonitrile (2), were synthesized to investigate how the …

Comparative theoretical study of the UV/Vis absorption spectra of styrylpyridine compounds using TD-DFT calculations

ME Castro, MJ Percino, VM Chapela… - Journal of molecular …, 2013 - Springer
This study examined absorption properties of 2-styrylpyridine, trans-2-(m-cyanostyryl)
pyridine, trans-2-[3-methyl-(m-cyanostyryl)] pyridine, and trans-4-(m-cyanostyryl) pyridine …

A quantitative study of weak noncovalent interactions in two pyridine isomers containing nitrile and thiophene moieties: a combined X-ray and theoretical investigation

M Udayakumar, M Cerón, P Ceballos… - Journal of Chemical …, 2019 - Springer
Single crystals of two pyridine isomers containing cyano and thiophene moieties systematic
names:(Z)-2-(pyridine-2-yl)-3-(thiophen-2-yl) acrylonitrile, C _ 12 H _ 8 N _ 2 SC 12 H 8 N 2 …

Important role of molecular packing and intermolecular interactions in two polymorphs of (Z)-2-phenyl-3-(4-(pyridin-2-yl) phenyl) acrylonitrile. Preparation, structures …

MJ Percino, M Cerón, P Ceballos… - Journal of Molecular …, 2014 - Elsevier
The novel compound Z-2-phenyl-3-(4-(pyridin-2-yl) phenyl) acrylonitrile (PPyPAN) was
synthesized from the condensation reaction between phenylacetonitrile and 4-(pyridin-2-yl) …

Selective introduction of a trifluoroacetyl group onto 4-vinylpyridines through magnesium-promoted reduction

H Maekawa, Y Nishiyama - Tetrahedron, 2015 - Elsevier
Magnesium-promoted reductive coupling of 4-vinylpyridines and ethyl trifluoroacetate in the
presence of chlorotrimethylsilane in N-methyl-2-pyrrolidone resulted in selective formation of …