Výsledky vyhledávání - "Thomas Thomulka"

Hydrogen Bonding Shuts Down Tunneling in Hydroxycarbenes: A Gas-Phase Study by Tandem-Mass Spectrometry, Infrared Ion Spectroscopy, and Theory

Autor: Mathias Paul, Thomas Thomulka, Wacharee Harnying, Jörg-Martin Neudörfl, Charlie R. Adams, Jonathan Martens, Giel Berden, Jos Oomens, Anthony J. H. M. Meijer, Albrecht Berkessel, Mathias Schäfer

Publikováno v: Journal of the American Chemical Society, 145, pp. 12124-12135
Journal of the American Chemical Society, 145, 12124-12135

Contains fulltext : 293912.pdf (Publisher’s version ) (Closed access) 12 p.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7a77605a2039a4079286c7c7277b9498
https://hdl.handle.net/2066/293912

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Breslow Intermediates (Amino Enols) and Their Keto Tautomers: First Gas-Phase Characterization by IR Ion Spectroscopy

Autor: Thomas Thomulka, Katrin Peckelsen, Mathias Paul, Albrecht Berkessel, Anthony J. H. M. Meijer, Giel Berden, Jos Oomens, Mathias Schäfer, Jonathan Martens, Jörg-M. Neudörfl, Martin Breugst

Publikováno v: Chemistry – A European Journal
Chemistry (Weinheim an Der Bergstrasse, Germany)
Chemistry-A European Journal, 27(8), 2662-2669. Wiley-VCH Verlag
Chemistry : a European Journal, 27, 2662-2669
Chemistry : a European Journal, 27, 8, pp. 2662-2669

Breslow intermediates (BIs) are the crucial nucleophilic amino enol intermediates formed from electrophilic aldehydes in the course of N‐heterocyclic carbene (NHC)‐catalyzed umpolung reactions. Both in organocatalytic and enzymatic umpolung, the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::33e669a07632944e522ada6fafdbca16
https://doi.org/10.1002/chem.202003454

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Metabolite Identification Using Infrared Ion Spectroscopy-Novel Biomarkers for Pyridoxine-Dependent Epilepsy

Autor: Clara D.M. van Karnebeek, Marleen C. D. G. Huigen, Albrecht Berkessel, Jonathan Martens, Karlien L.M. Coene, Udo F. H. Engelke, Jasmin Mecinović, Jos Oomens, Thomas J. Boltje, Leo A. J. Kluijtmans, Mathias Paul, Ron A. Wevers, Thomas Thomulka, Jona Merx, Floris P. J. T. Rutjes, Giel Berden, Rianne E. van Outersterp

Publikováno v: Analytical chemistry, 93(46), 15340-15348. American Chemical Society
Analytical Chemistry
Analytical Chemistry, 93, 15340-15348
Analytical Chemistry, 93, 46, pp. 15340-15348
van Outersterp, R E, Engelke, U F H, Merx, J, Berden, G, Paul, M, Thomulka, T, Berkessel, A, Huigen, M C D G, Kluijtmans, L A J, Mecinović, J, Rutjes, F P J T, van Karnebeek, C D M, Wevers, R A, Boltje, T J, Coene, K L M, Martens, J & Oomens, J 2021, ' Metabolite Identification Using Infrared Ion Spectroscopy─Novel Biomarkers for Pyridoxine-Dependent Epilepsy ', Analytical chemistry, vol. 93, no. 46, pp. 15340-15348 . https://doi.org/10.1021/acs.analchem.1c02896
Analytical Chemistry, 93(46), 15340-15348. American Chemical Society

Untargeted liquid chromatography-mass spectrometry (LC-MS)-based metabolomics strategies are being increasingly applied in metabolite screening for a wide variety of medical conditions. The long-standing "grand challenge" in the utilization of this a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c1d22b5c37d51583699a7fab249b2183
https://hdl.handle.net/2066/242553

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Metabolite Identification Using Infrared Ion Spectroscopy – Novel Biomarkers for Pyridoxine-Dependent Epilepsy

Autor: Jos Oomens, Jonathan Martens, Karlien L.M. Coene, Thomas J. Boltje, Ron A. Wevers, Clara D.M. van Karnebeek, Floris P. J. T. Rutjes, Jasmin Mecinović, Leo A. J. Kluijtmans, Marleen C. D. G. Huigen, Albrecht Berkessel, Thomas Thomulka, Mathias Paul, Giel Berden, Jona Merx, Udo F. H. Engelke, Rianne E. van Outersterp

Untargeted LC-MS based metabolomics strategies are being increasingly applied in metabolite screening for a wide variety of medical conditions. The long-standing “grand challenge” in the utilization of this approach is metabolite identification �

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7b5f192c097ea2f2ebebcc79dedccfcc
https://doi.org/10.26434/chemrxiv.14315579.v1

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Hydrogen tunneling avoided: enol-formation from a charge-tagged phenyl pyruvic acid derivative evidenced by tandem-MS, IR ion spectroscopy and theory

Autor: Jörg M. Neudörfl, Albrecht Berkessel, Anthony J. H. M. Meijer, Mathias Schäfer, Mathias Paul, Jos Oomens, Katrin Peckelsen, Thomas Thomulka, Giel Berden, Jonathan Martens

Publikováno v: PCCP Physical Chemistry Chemical Physics, 21, 16591-16600
Physical Chemistry Chemical Physics, 21(30), 16591-16600. Royal Society of Chemistry
PCCP Physical Chemistry Chemical Physics, 21, 30, pp. 16591-16600

A charge-tagged phenyl pyruvic acid derivative was investigated by tandem-MS, infrared (IR) ion spectroscopy and theory. The tailor-made precursor ions efficiently lose CO2 in collision induced dissociation (CID) experiments, offering access to study

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e05ea2aca43ec16d073baadaadb53040
https://doi.org/10.1039/c9cp02316j

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Cover Feature: Breslow Intermediates (Amino Enols) and Their Keto Tautomers: First Gas‐Phase Characterization by IR Ion Spectroscopy (Chem. Eur. J. 8/2021)

Autor: Jörg-M. Neudörfl, Giel Berden, Mathias Paul, Martin Breugst, Albrecht Berkessel, Jos Oomens, Anthony J. H. M. Meijer, Jonathan Martens, Katrin Peckelsen, Mathias Schäfer, Thomas Thomulka

Publikováno v: Chemistry – A European Journal. 27:2552-2552

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::72275b2f6b538df33937a3b877c86dc4
https://doi.org/10.1002/chem.202004678

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