Self-Assembly of Chiral Cyclohexanohemicucurbit[n]urils with Bis(Zn Porphyrin): Size, Shape, and Time-Dependent Binding

Autor: Marko Šakarašvili, Lukas Ustrnul, Elina Suut, Jagadeesh Varma Nallaparaju, Kamini A. Mishra, Nele Konrad, Jasper Adamson, Victor Borovkov, Riina Aav

Publikováno v: Molecules, Vol 27, Iss 3, p 937 (2022)

In order to investigate the ability of bis(zinc octaethylporphyrin) (bis–ZnOEP) to discriminate cyclohexanohemicucurbit[n]urils (cycHC[n]) of different shapes and sizes, the self-assembly of barrel-shaped chiral cycHC[n] with bis–ZnOEP was studie

Externí odkaz: https://doaj.org/article/199403b700f240a2a4a1a1183c4d4765

Supramolecular Chirogenesis in Bis-Porphyrin: Crystallographic Structure and CD Spectra for a Complex with a Chiral Guanidine Derivative

Autor: Irina Osadchuk, Nele Konrad, Khai-Nghi Truong, Kari Rissanen, Eric Clot, Riina Aav, Dzmitry Kananovich, Victor Borovkov

Publikováno v: Symmetry, Vol 13, Iss 2, p 275 (2021)

The complexation of (3aR,7aR)-N-(3,5-bis(trifluoromethyl)phenyl)octahydro-2H-benzo[d]imidazol-2-imine (BTI), as a guest, to ethane-bridged bis(zinc octaethylporphyrin), bis(ZnOEP), as a host, has been studied by means of ultraviolet-visible (UV-Vis)

Externí odkaz: https://doaj.org/article/26bf84b5b2f34b1797821b8b57cb0b70

Supramolecular chirogenesis in zinc porphyrins by enantiopure hemicucurbit[n]urils (n = 6, 8)

Autor: Jasper Adamson, Tatsiana Burankova, Nele Konrad, Victor V. Borovkov, Lukas Ustrnul, Peeter Burk, Sandra Kaabel, Jevgenija Martõnova, Riina Aav

Publikováno v: Chemical Communications

Chiral cyclohexanohemicucurbit[n]urils (n = 6, 8) (cycHCs) are able to bind guests through multiple "outer surface interactions", which in the case of planar zinc porphyrins leads to induction of chirality. Crystal structures of complexes of compleme

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::346814ec9e263354232b91ded4fab22e
https://doi.org/10.1039/c9cc07150d

Thiourea Organocatalysts as Emerging Chiral Pollutants: En Route to Porphyrin-Based (Chir)Optical Sensing

Autor: Kari Rissanen, Anne Kahru, Mathias O. Senge, Dzmitry G. Kananovich, Jasper Adamson, Mariliis Sihtmäe, Khai-Nghi Truong, Marc Kielmann, Irina Osadchuk, Riina Aav, Tatsiana Burankova, Nele Konrad, Victor V. Borovkov, Matvey Horetski

Publikováno v: Chemosensors
Chemosensors, 2021, 9 (10), pp.278. ⟨10.3390/chemosensors9100278⟩
Chemosensors, MDPI, 2021, 9 (10), pp.278. ⟨10.3390/chemosensors9100278⟩
Volume 9
Issue 10
Chemosensors, Vol 9, Iss 278, p 278 (2021)

Environmental pollution with chiral organic compounds is an emerging problem requiring innovative sensing methods. Amino-functionalized thioureas, such as 2-(dimethylamino)cyclohexyl-(3,5-bis(trifluoromethyl)phenyl)thiourea (Takemoto’s catalyst), a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::21aec0eddfaa1359e2d9e5705312551a
https://hal.umontpellier.fr/hal-03426936

Two-step conversion of carboxylic esters into distally fluorinated ketones via ring cleavage of cyclopropanol intermediates: application of sulfinate salts as fluoroalkylating reagents

Autor: Dzmitry G. Kananovich, Ivar Järving, Margus Lopp, Nele Konrad, Marina Kudrjashova, Yulia A. Konik, Sandra Kaabel

Publikováno v: Organic & Biomolecular Chemistry. 15:4635-4643

Tertiary cyclopropanols easily available from carboxylic esters have been used in the synthesis of distally fluorinated ketones. Cyclopropane ring cleavage reactions in methanol with aqueous tert-butyl hydroperoxide in the presence of a copper(ii) ac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9cbec0741d369aaaeae3a4190c880acb
https://doi.org/10.1039/c7ob00680b