Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Katarzyna Szwaczko"'
Publikováno v:
Cells, Vol 13, Iss 19, p 1616 (2024)
Colorectal cancer (CRC) is a global problem. Oncology currently practices conventional methods of treating this carcinoma, including surgery, chemotherapy, and radiotherapy. Unfortunately, their efficacy is low; hence, the exploration of new therapie
Externí odkaz:
https://doaj.org/article/eb027cce47c5416d9a19675787ceed15
Publikováno v:
Symmetry, Vol 16, Iss 8, p 976 (2024)
This paper presents the efficient reduction of phosphinoylacetic acid esters and 3-phosphorylated coumarin to their corresponding phosphino-boranes using BH₃-THF complexes. Optimized conditions for the reduction of phosphinoylacetic acid esters res
Externí odkaz:
https://doaj.org/article/3f70401938a14f0c87ca2ccf36883ec6
Publikováno v:
Crystals, Vol 14, Iss 2, p 196 (2024)
In this study, we explore the synthesis and solid-state characterization of four coumarin-3-carboxylic acid esters, each modified at the C-3 position with different cycloalkyl groups: cyclohexyl, menthyl, and iso-pulegyl. We conducted a detailed anal
Externí odkaz:
https://doaj.org/article/1f85ad6014c84ffa9402c49693c657d4
Publikováno v:
Symmetry, Vol 16, Iss 1, p 73 (2024)
This paper presents the general synthesis of a comprehensive group of P-chiral phosphinyl derivatives with a natural coumarin-type motif. A chiral substituent was attached at the third position of the coumarin molecule via the Knoevenagel procedure u
Externí odkaz:
https://doaj.org/article/2e8f1e9b63144704a5d5e03d57ef2e4e
Autor:
Oleg M. Demchuk, Aleksandra Martyna, Mateusz Kwaśnik, Katarzyna Szwaczko, Dorota Strzelecka, Barbara Mirosław, Kazimierz Michał Pietrusiewicz, Zofia Urbanczyk-Lipkowska
Publikováno v:
Molecules, Vol 27, Iss 17, p 5504 (2022)
The series of C2-symmetric biaryl core-based non-racemic bisphosphines possessing substituents of different electronic properties: both EDG and EWG were obtained in a short sequence of good yielding transformations, started from commercial 1,3-dimeth
Externí odkaz:
https://doaj.org/article/50e35981bb1b453cb57b4b0cd28f54b8
Autor:
Katarzyna Szwaczko
Publikováno v:
Inorganics, Vol 10, Iss 2, p 23 (2022)
For several decades, coumarins have attracted considerable attention due to the fact of their application in diverse fields such as medical science and biomedical research as well as several industrial branches. Recently, many compounds containing th
Externí odkaz:
https://doaj.org/article/f57319f4d4224f52846d5f90675c1ea2
Autor:
K. Michał Pietrusiewicz, Katarzyna Szwaczko, Barbara Mirosław, Izabela Dybała, Radomir Jasiński, Oleg M. Demchuk
Publikováno v:
Molecules, Vol 24, Iss 3, p 571 (2019)
A simple, highly efficient synthesis of a series of novel chiral non-racemic rigid tetracyclic phosphorus ligands, applicable in important chemical asymmetric transformations, was performed. In a tandem cross-coupling/C-H bond activation reaction, a
Externí odkaz:
https://doaj.org/article/8fc32fd8689e44cbbfd5d93fc1d1071a
Autor:
Elżbieta Łastawiecka, Sylwia Sowa, Katarzyna Szwaczko, Kamil Dziuba, Marek Stankevič, Adam Włodarczyk
Publikováno v:
Chiral Building Blocks in Asymmetric Synthesis. :389-440
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cbbbd6b681c794a00c1a7edbdb3d7cd1
https://doi.org/10.1002/9783527834204.ch12
https://doi.org/10.1002/9783527834204.ch12
Publikováno v:
Synthesis. 53:2142-2154
A wide range of commercially available aldehydes have been applied to Knoevenagel condensation reaction to give E-alkenylphosphine oxides and vinylphosphine oxides. The readily available phosphinoylacetic acids derived from P(O)–H compounds were us
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2547a395beaa630d2cc43391960c274c
https://doi.org/10.1055/s-0040-1705993
https://doi.org/10.1055/s-0040-1705993
Autor:
Katarzyna Szwaczko, Kazimierz Michał Pietrusiewicz, Liliana Mazur, Oleg M. Demchuk, Grzegorz Wójciuk, Barbara Miroslaw
A highly efficient synthesis of new chiral bisphosphanes derived from the renowned NORPHOS ligand is presented. The synthesis involves ring-opening metathesis of NORPHOS dioxide with an external olefin, followed by saturation of the new double bonds
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::104cae34c26d478f432a909ec6171ddb
https://hdl.handle.net/20.500.12153/3234
https://hdl.handle.net/20.500.12153/3234
