Zobrazeno 1 - 10
of 91
pro vyhledávání: '"Tomasz K, Olszewski"'
Autor:
Tomasz K. Olszewski
Publikováno v:
Organics, Vol 5, Iss 2, Pp 111-113 (2024)
Organophosphorus compounds, due to their interesting physicochemical properties, have found wide applications in many important areas of the chemical industry, such as the synthesis of utility chemicals [...]
Externí odkaz:
https://doaj.org/article/f9c663542eea47438f42cebc12b41bc4
Autor:
Monika Serafin-Lewańczuk, Małgorzata Brzezińska-Rodak, Katarzyna Lubiak-Kozłowska, Paulina Majewska, Magdalena Klimek-Ochab, Tomasz K. Olszewski, Ewa Żymańczyk-Duda
Publikováno v:
Microbial Cell Factories, Vol 20, Iss 1, Pp 1-14 (2021)
Abstract Background Phosphonates derivatives are in the area of interests because of their unique chemical-physical features. These compounds manifest variety of biological interactions within the sensitive living cells, including impact on particula
Externí odkaz:
https://doaj.org/article/4c753678f65e438893d9fa43a979b159
Autor:
Anna Brol, Tomasz K. Olszewski
Publikováno v:
Molecules, Vol 27, Iss 24, p 8849 (2022)
Deamination of 1-aminoalkylphosphonic acids in the reaction with HNO2 (generated “in situ” from NaNO2) yields a mixture of substitution products (1-hydroxyalkylphosphonic acids), elimination products (vinylphosphonic acid derivatives), rearrangem
Externí odkaz:
https://doaj.org/article/13c1f38fcaec4931bdb8d3cd5fa6c4aa
Autor:
Łukasz Gułajski, Andrzej Tracz, Katarzyna Urbaniak, Stefan J. Czarnocki, Michał Bieniek, Tomasz K. Olszewski
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 15, Iss 1, Pp 160-166 (2019)
The influence of microwave and ultrasonic irradiation on the performance of ammonium-tagged Ru-based catalysts in olefin metathesis transformations in aqueous media was studied. Differences in the catalytic activity in correlation with the nature of
Externí odkaz:
https://doaj.org/article/d568fc6768aa498b8881468beaaf7636
Autor:
Yvette Lock Toy Ki, Armelle Garcia, Franck Pelissier, Tomasz K. Olszewski, Alicja Babst-Kostecka, Yves-Marie Legrand, Claude Grison
Publikováno v:
Molecules, Vol 27, Iss 10, p 3306 (2022)
The Michael addition reaction was revisited with a full focus on sustainability combined with efficiency, using mechanochemistry in mild conditions. First, the synthesis of cyclopentenone derivatives was chosen as a model reaction to find optimal con
Externí odkaz:
https://doaj.org/article/960c1ed9149349fe887f6dca17aefdd9
Autor:
Pola Cybulska, Yves-Marie Legrand, Alicja Babst-Kostecka, Sébastien Diliberto, Anna Leśniewicz, Erwan Oliviero, Valérie Bert, Clotilde Boulanger, Claude Grison, Tomasz K. Olszewski
Publikováno v:
Molecules, Vol 27, Iss 10, p 3075 (2022)
A green and effective approach for the synthesis of structurally diversed α-hydroxyphosphonates via hydrophosphonylation of aldehydes under solventless conditions and promoted by biosourced catalysts, called ecocatalysts “Eco-MgZnOx” is presente
Externí odkaz:
https://doaj.org/article/60b653fe40bf493c8035e7f1eb5bba53
Autor:
Katarzyna Lubiak-Kozłowska, Małgorzata Brzezińska-Rodak, Magdalena Klimek-Ochab, Tomasz K. Olszewski, Monika Serafin-Lewańczuk, Ewa Żymańczyk-Duda
Publikováno v:
Frontiers in Chemistry, Vol 8 (2020)
Rhodotorula mucilaginosa was successfully applied as a biocatalyst for the enantioselective resolution of the racemic mixtures of heteroatom phosphonates derivatives, resulting in receiving the following enantiomers: (S)-1-amino-1(2-thienyl)methylpho
Externí odkaz:
https://doaj.org/article/76ac8e6b9b2b4b4d953a802439456f53
Autor:
Bogdan Boduszek, Tomasz K. Olszewski
Publikováno v:
ARKIVOC, Vol 2017, Iss 2, Pp 173-179 (2016)
Externí odkaz:
https://doaj.org/article/780ede745d4b4f3b84851c2984546df7
Autor:
Anna Brol, Tomasz K. Olszewski
Publikováno v:
Organic & Biomolecular Chemistry. 19:6422-6430
An effective protocol for the quaternization of simple 1-aminoalkylphosphonic acids under basic conditions using Me2SO4 as a convenient alkylating agent is reported. During the course of the reaction, phosphonic acid quaternary ammonium derivatives,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::41b428a5639ed11407e83d3a9e9488ef
https://doi.org/10.1039/d1ob00703c
https://doi.org/10.1039/d1ob00703c
Autor:
Tomasz K. Olszewski, Krzysztof Skowerski, Andrzej Tracz, Katarzyna Kaczanowska, Rafał Gawin, Bartosz Trzaskowski, Aleksandra Peszczyńska
Publikováno v:
ChemCatChem. 12:6366-6374
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c8f3055448f8db85166fab6640f7097
https://doi.org/10.1002/cctc.202001268
https://doi.org/10.1002/cctc.202001268