Exploring Intra- and Intermolecular Interactions in Selected N-Oxides—The Role of Hydrogen Bonds

Autor: Aneta Jezierska, Jarosław J. Panek, Kacper Błaziak, Kamil Raczyński, Aleksander Koll

Publikováno v: Molecules, Vol 27, Iss 3, p 792 (2022)

Intra- and intermolecular interactions have been explored in selected N-oxide derivatives: 2-(N,N-dimethylamino-N-oxymethyl)-4,6-dimethylphenyl (1) and 5,5’-dibromo-3-diethylaminomethyl-2,2’-biphenol N-oxide (2). Both compounds possess intramolec

Externí odkaz: https://doaj.org/article/e959b68f340d467a830cb37da78812b4

Photophysical and theoretical studies of structure and spectroscopic behaviour of axially substituted Yb(III) mono-phthalocyanines in different media

Autor: J. Jański, Janina Legendziewicz, L. A. Tomachynski, Aleksander Koll, Yu. Gerasymchuk, G. Boulon, Wieslaw Strek, Malgorzata Guzik, Yannick Guyot

Publikováno v: Journal of Photochemistry and Photobiology A: Chemistry
Journal of Photochemistry and Photobiology A: Chemistry, Elsevier, 2015, 309, pp.65-71. ⟨10.1016/j.jphotochem.2015.04.022⟩

Lanthanide complexes with phthalocyanines (Pc) and porphyrins belong to the group of most investigated compounds because of their unique luminescence properties and variety of applications. The special interest is directed to medical applications, ma

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9aff0ad894c553a87f6a38135dd7920d
https://doi.org/10.1016/j.jphotochem.2015.04.022

Interaction of quercetin, genistein and its derivatives with lipid bilayers – An ATR IR-spectroscopic study

Autor: Jadwiga Maniewska, Aleksander Koll, Grzegorz Grynkiewicz, Katarzyna Cieślik-Boczula, Andrzej B. Hendrich, Wiesław Szeja

Publikováno v: Vibrational Spectroscopy. 62:64-69

Genistein, a main soy isoflavone, is well known as phytoestrogen and antioxidant but details of its interactions with lipid membranes are poorly understood. The aim of this work was to elucidate the interaction of genistein, its derivatives and querc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6ffe6bf3845713fba8fecda86337ef8a
https://doi.org/10.1016/j.vibspec.2012.05.010

Intermolecular Interactions in the Solid State of Ionic Secondary Mannich Bases

Autor: Aleksander Koll, Maciej Barys, Barbara Hachuła, Henryk T. Flakus, Agnieszka Adamczyk-Woźniak, Andrzej Sporzyński, Jerzy Kołodziejczak

Publikováno v: Crystal Growth & Design. 12:589-598

Two new secondary Mannich bases, 4-bromo-2-[(aminopropyl)methyl]-phenol (1) and 4-nitro-2-[(aminopropyl)methyl]-phenol (2), were synthesized. Crystal structures were determined at liquid nitrogen temperature. It was found that in both compounds the p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1b72b59000b0c6772f882b21335b21ba
https://doi.org/10.1021/cg201179x

INTERNAL AND EXTERNAL IMPLICATIONS OF THE STRUCTURE OF HYDROGEN BONDED COMPLEXES . II. MNDO-PM3 STUDIES ON THE STRUCTURE OF THE 4-METHYLPYRIDINE COMPLEX WITH PENTACHLOROPHENOL

Autor: Irena Majerz, Aleksander Koll

Publikováno v: Bulletin des Sociétés Chimiques Belges. 103:629-640

The structure of the complex of 4-methylpyridine with pentachlorophenol in the gas phase was determined by the MNDO-PM3 procedure and compared with the experimental crystallographic structure. The calculated potential for internal rotation around the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ac965e3c45cddff4df8c99b167d6cea2
https://doi.org/10.1002/bscb.19941031102