Search Results - "Neshchadin, Dmytro"

Journal Article

Tetraacylgermanes: Highly Efficient Photoinitiators for Visible‐Light‐Induced Free‐Radical Polymerization

by Radebner, Judith Eibel, Anna Leypold, Mario Gorsche, Christian Schuh, Lukas Fischer, Roland Torvisco, Ana Neshchadin, Dmytro Geier, Roman Moszner, Norbert Liska, Robert Gescheidt, Georg Haas, Michael Stueger, Harald Published in Angewandte Chemie (International ed.) (06.03.2017)

“...In this contribution a convenient synthetic method to obtain tetraacylgermanes Ge[C(O)R]4 (R=mesityl (1 a), phenyl (1 b)), a previously unknown class of highly...”

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Journal Article

Short‐lived Phenoxyl Radicals Formed from Green‐Tea Polyphenols and Highly Reactive Oxygen Species: An Investigation by Time‐Resolved EPR Spectroscopy

by Neshchadin, Dmytro Batchelor, Stephen N Bilkis, Itzhak Gescheidt, Georg Published in Angewandte Chemie (International ed.) (24.11.2014)

“...Polyphenols are effective antioxidants and their behavior has been studied in depth. However, a structural characterization of the species formed immediately...”

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Toward Matching Optically and NMR Active Volumes for Optimizing the Observation of Photo-Induced Reactions by NMR

by Stadler, Eduard Eibel, Anna Neshchadin, Dmytro Gescheidt, Georg Published in Zeitschrift für physikalische Chemie (Neue Folge) (01.03.2017)

“...In the recent years photo-induced reactions are becoming increasingly popular in many fields of chemistry comprising biological conversions,...”

Journal Article

Hydroalkylation of Aryl Alkenes with Organohalides Catalyzed by Molybdenum Oxido Based Lewis Pairs

by Zwettler, Niklas Dupé, Antoine Klokić, Sumea Milinković, Angela Rodić, Dado Walg, Simon Neshchadin, Dmytro Belaj, Ferdinand Mösch‐Zanetti, Nadia C Published in Advanced synthesis & catalysis (04.08.2020)

“...Three molybdenum(VI) dioxido complexes [MoO2(L)2] bearing Schiff base ligands were reacted with B(C6F5)3 to afford the corresponding adducts...”

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Journal Article

Star‐shaped Polymers through Simple Wavelength‐Selective Free‐Radical Photopolymerization

by Eibel, Anna Fast, David E Sattelkow, Jürgen Zalibera, Michal Wang, Jieping Huber, Alex Müller, Georgina Neshchadin, Dmytro Dietliker, Kurt Plank, Harald Grützmacher, Hansjörg Gescheidt, Georg Published in Angewandte Chemie (International ed.) (06.11.2017)

“...Star‐shaped polymers represent highly desired materials in nanotechnology and life sciences, including biomedical applications (e.g., diagnostic imaging,...”

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Journal Article

CIDNP as a tool for rapid rearrangements: New insights into cyclobutanoid 4‐center/3‐electron radical cations

by Neshchadin, Dmytro Gescheidt, Georg Published in Journal of physical organic chemistry (01.09.2013)

“...CIDNP has been often utilized as a mechanistic tool for radical reactions. Here, we show that detailed insights into the structure of carbon‐centered radical...”

Journal Article

Examples for biological reactivity involving free radicals followed by CIDNP

by Andreu, Inmaculada Neshchadin, Dmytro Batchelor, Stephen N Miranda, Miguel A Gescheidt, Georg Published in Molecular physics (01.10.2013)

“...It is shown how chemically induced dynamic nuclear polarisation (CIDNP) spectroscopy is able to efficiently complement electron paramagnetic resonance (EPR),...”

Journal Article

Radical cations of disubstituted cyclopropanes: stereoelectronic effects on hyperfine coupling

by Roth, Heinz D Sauers, Ronald R Theisen, Kevin J Neshchadin, Dmytro Gescheidt, Georg Published in Journal of physical organic chemistry (01.03.2014)

“...The positive hyperfine coupling constants of the geminal 1H nuclei in cis‐1,2‐dimethyl‐ and cis‐1,2‐diphenylcyclopropane radical cations show a significant...”

Journal Article

Proton‐Coupled Electron Transfer from Hydrogen‐Bonded Phenols to Benzophenone Triplets

by Amorati, Riccardo Valgimigli, Luca Viglianisi, Caterina Schmallegger, Max Neshchadin, Dmytro Gescheidt, Georg Published in Chemistry : a European journal (19.04.2017)

“...Phenols with intramolecular hydrogen bond between a pendant base and the phenolic OH group react differently in polar and non‐polar environments with...”

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Journal Article

Activation and Photoinduced Release of Alkynes on a Biomimetic Tungsten Center: The Photochemical Behavior of the W−S‐Phoz System

by Peschel, Lydia M Vidovič, Carina Belaj, Ferdinand Neshchadin, Dmytro Mösch‐Zanetti, Nadia C Published in Chemistry : a European journal (12.03.2019)

“...The synthesis and structural determination of four tungsten alkyne complexes coordinated by the bio‐inspired S,N‐donor ligand...”

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Journal Article

Electronic Structures and Chiroptical Properties of Post‐functionalized Helicene Quinones

by Schweinfurth, David Mazzolini, Marcella Neshchadin, Dmytro Hoyer, Carolin Geier, Roman Gatterer, Karl Trapp, Nils Gescheidt, Georg Diederich, François Published in Chemistry : a European journal (17.05.2016)

“...The synthesis of redox‐active p‐ and o‐quinones 2‐phenylamino‐4‐phenylimino[6]helicene‐1‐one 1, 2‐phenylamino[6]‐helicene‐1,4‐dione 2, and...”

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Journal Article

Probing the first steps of photoinduced free radical polymerization at water–oil interfaces

by Darvasiová, Denisa Barberiková, Zuzana Eibel, Anna Schmallegger, Max Gescheidt, Georg Zalibera, Michal Neshchadin, Dmytro Published in Polymer chemistry (2017-00-00)

“...Phosphanoyl radicals, produced by α-photocleavage of exclusively octane-soluble acylphosphane oxides, rapidly react with both water- and octane-soluble...”

Journal Article

Probing the Antioxidant Activity of Polyphenols by CIDNP: From Model Compounds to Green Tea and Red Wine

by Neshchadin, Dmytro Levinn, Rebecca Gescheidt, Georg Batchelor, Stephen N Published in Chemistry : a European journal (18.06.2010)

“...Polyphenols occur naturally in a vast variety of plants. One of their predominant properties is their antioxidant activity. To provide a deeper understanding...”

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Journal Article

CIDNP as a tool for rapid rearrangements: New insights into cyclobutanoid 4-center/3-electron radical cations: CIDNP OF CAGE COMPOUNDS

by Neshchadin, Dmytro Gescheidt, Georg Published in Journal of physical organic chemistry (01.09.2013)

Journal Article

Probing Lipid Peroxidation by Using Linoleic Acid and Benzophenone

by Andreu, Inmaculada Neshchadin, Dmytro Rico, Enrique Griesser, Markus Samadi, Abdelouahid Morera, Isabel M Gescheidt, Georg Miranda, Miguel A Published in Chemistry : a European journal (29.08.2011)

“...A thorough mechanistic study has been performed on the reaction between benzophenone (BZP) and a series of 1,4‐dienes, including 1,4‐cyclohexadiene (CHD),...”

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Journal Article

Hydrogen Abstraction from the C15 Position of the Cholesterol Skeleton

by Palumbo, Fabrizio Andreu, Inmaculada Brunetti, Maria Schmallegger, Max Gescheidt, Georg Neshchadin, Dmytro Miranda, Miguel A Published in Journal of organic chemistry (06.12.2019)

“...Cholesterol (Ch) is an integral part of cell membrane, where it is prone to oxidation. In humans, oxidation of Ch is commonly linked to various pathologies...”

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Journal Article

Feasibility of rapidly assessing reactive impurities mediated excipient incompatibility using a new method: A case study of famotidine-PEG system

by Saraf, Isha Modhave, Dattatray Kushwah, Varun Neshchadin, Dmytro Gescheidt, Georg Trausinger, Gert Melchior, Philipp Magnes, Christoph Paudel, Amrit Published in Journal of pharmaceutical and biomedical analysis (30.01.2020)

“...[Display omitted] •A pressurized thermal oxidation was used for studying the drug degradation by reactive impurities containing excipients.•The impact of...”

Journal Article

Systematic Assessment of the Photochemical Stability of Photoinitiator-Derived Macromolecular Chain Termini

by Lauer, Andrea Fast, David E Kelterer, Anne-Marie Frick, Elena Neshchadin, Dmytro Voll, Dominik Gescheidt, Georg Barner-Kowollik, Christopher Published in Macromolecules (08.12.2015)

“...The photostability of polymeric materials is crucial for their applicability, especially under potentially harsh environmental conditions. In the current...”

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Journal Article

Probing the first steps of photoinduced free radical polymerization at water-oil interfacesElectronic supplementary information (ESI) available: NMR shake-flask partition experimen...

by Darvasiová, Denisa Barberiková, Zuzana Eibel, Anna Schmallegger, Max Gescheidt, Georg Zalibera, Michal Neshchadin, Dmytro
21.11.2017

“...Phosphanoyl radicals, produced by α-photocleavage of exclusively octane-soluble acylphosphane oxides, rapidly react with both water- and octane-soluble...”

Journal Article

Light-actuated resorcin[4]arene cavitands

by García-López, Víctor Milić, Jovana V Zalibera, Michal Neshchadin, Dmytro Kuss-Petermann, Martin Ruhlmann, Laurent Nomrowski, Julia Trapp, Nils Boudon, Corinne Gescheidt, Georg Wenger, Oliver S Diederich, François Published in Tetrahedron (27.09.2018)

“...A light-actuated resorcin[4]arene cavitand equipped with two quinone (Q) and two opposite Ru(II)-based photosensitizing walls was synthesized and investigated...”

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