Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Barbara Grzeszczyk"'
Publikováno v:
Organic Letters. 24:9269-9274
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd67962199796a784fc1feac836aec5e
https://doi.org/10.1021/acs.orglett.2c03839
https://doi.org/10.1021/acs.orglett.2c03839
Publikováno v:
Molecules, Vol 26, Iss 18, p 5459 (2021)
An efficient method for the synthesis of nojirimycin- and pyrrolidine-based iminosugar derivatives has been developed. The strategy is based on the partial reduction in sugar-derived lactams by Schwartz’s reagent and tandem stereoselective nucleoph
Externí odkaz:
https://doaj.org/article/bba147ab3cb946b2890e7a417381920e
Autor:
Bartłomiej Furman, Marcin Górecki, Barbara Grzeszczyk, Rafał Kutaszewicz, Olga Staszewska-Krajewska, Marek Chmielewski
Publikováno v:
Organic & Biomolecular Chemistry. 17:6251-6268
An approach to β-lactams via a reaction between chiral copper acetylides and acyclic nitrones is reported. Electronic circular dichroism (ECD) in combination with NMR spectroscopy was used to determine the absolute configuration of all components of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9eb0a37f5e4401673648c71afdae3dca
https://doi.org/10.1039/c9ob00940j
https://doi.org/10.1039/c9ob00940j
Autor:
Bartłomiej Furman, Olga Staszewska-Krajewska, Marek Chmielewski, Oskar Popik, Barbara Grzeszczyk
Publikováno v:
Organicbiomolecular chemistry. 18(15)
Intramolecular Kinugasa reactions on in situ generated carbohydrate-derived alkynylnitrones are described. The effects of the length of chains, their mutual configuration, influence of experimental conditions on product distribution and feasibility o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e5bd92e41b1f043d3a59df2484da485b
https://pubmed.ncbi.nlm.nih.gov/32211731
https://pubmed.ncbi.nlm.nih.gov/32211731
Publikováno v:
Journal of Carbohydrate Chemistry. 37:104-116
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a3cd3ceebb93637fb1125c2504497716
https://doi.org/10.1080/07328303.2018.1438453
https://doi.org/10.1080/07328303.2018.1438453
Autor:
Marek Chmielewski, Kamil Kabala, Barbara Grzeszczyk, Bartłomiej Furman, Jolanta Solecka, Adam Guśpiel
Publikováno v:
Synthesis. 50:1991-2000
The Kinugasa reaction between phthalimidoacetylene and cyclic nitrones derived from l-phenylglycine or l-serine and glyoxylic acid, catalyzed by copper(I) chloride in the presence of triethylamine, is reported. The acetylene molecule approaches the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e7223dde6c36bbaa96385bdf3121ddd2
https://doi.org/10.1055/s-0037-1609304
https://doi.org/10.1055/s-0037-1609304
Publikováno v:
Molecules
Molecules, Vol 26, Iss 5459, p 5459 (2021)
Volume 26
Issue 18
Molecules, Vol 26, Iss 5459, p 5459 (2021)
Volume 26
Issue 18
An efficient method for the synthesis of nojirimycin- and pyrrolidine-based iminosugar derivatives has been developed. The strategy is based on the partial reduction in sugar-derived lactams by Schwartz’s reagent and tandem stereoselective nucleoph
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fbedb9bd5d822f924998bb7e540eb947
https://doi.org/10.3390/molecules26185459
https://doi.org/10.3390/molecules26185459
Publikováno v:
The Journal of Organic Chemistry. 80:12038-12046
A Kinugasa reaction between copper(I) acetylides and cyclic nitrones derived from chiral amino alcohols and glyoxylic acid is reported. The stereochemical preferences observed in this reaction are discussed. The alkyne molecule approaches the nitrone
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f8d2ae06f98dd85bc2d6d0a4b66b94d7
https://doi.org/10.1021/acs.joc.5b01979
https://doi.org/10.1021/acs.joc.5b01979
Autor:
Magdalena Soluch, Olga Staszewska-Krajewska, Bartłomiej Furman, Marek Chmielewski, Barbara Grzeszczyk
Publikováno v:
The Journal of Antibiotics. 69:164-168
A novel synthesis of thienamycin is described. The crucial step of the synthesis is based on Cu(I)-mediated Kinugasa cycloaddition/rearrangement cascade reaction between terminal acetylene derived from D-lactic acid and suitable, partially protected,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::93471d9721c660d64cf826c0288142ad
https://doi.org/10.1038/ja.2015.108
https://doi.org/10.1038/ja.2015.108
Autor:
Michał Pieczykolan, Kamil Kabala, Sebastian Stecko, Marek Chmielewski, Bartłomiej Furman, Karol Wolosewicz, Magdalena Maciejko, Artur Ulikowski, Margarita Jurczak, Barbara Grzeszczyk
Publikováno v:
Scopus-Elsevier
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::20a2eb4d281eed5b9cf4f0e3e616dfd5
https://doi.org/10.2174/1385272819666140527230604
https://doi.org/10.2174/1385272819666140527230604