Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Stanislaw Porwanski"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-16 (2024)
Abstract Drug carriers play a very important role in pharmacy, especially in cancer therapy. Most drugs used in the treatment of cancer are characterized by poor solubility in water and lack of selectivity in their toxic effects on normal and cancer
Externí odkaz:
https://doaj.org/article/bcad9aa57b744335b45b4598921930b6
Publikováno v:
Molecules, Vol 29, Iss 14, p 3359 (2024)
Drug delivery systems (DDSs) are used to transport drugs which are characterized by some pharmaceutical problems to the specific target site, enhancing therapeutic efficacy and reducing off-target accumulation in the body. In this work, one of the re
Externí odkaz:
https://doaj.org/article/db826bec284b43a2a5271b58984e3b96
Publikováno v:
Arkivoc. 2020:150-160
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd624dc42ec41311194aefcecc549314
https://doi.org/10.24820/ark.5550190.p011.340
https://doi.org/10.24820/ark.5550190.p011.340
Publikováno v:
Tetrahedron. 74:2166-2173
1,10-N,N′-bis-(β- d -ureidoglucopyranosyl)-4,7,13-trioxa-1,10-diazacyclopentadecane is a new, recently synthesized compound, which exhibits complexation ability towards drugs. In the present study various theoretical methods, including molecular m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::30d4077cda0008d5ec722d51ca2e0da6
https://doi.org/10.1016/j.tet.2018.03.025
https://doi.org/10.1016/j.tet.2018.03.025
Publikováno v:
New Journal of Chemistry. 41:521-529
The article presents the results of our more extended studies performed on one of the carbohydrate derivatives of azacrown ethers that were recently synthesized in our laboratory. An attempt is made to explain the interactions between 1,10-N,N′-bis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9822ec500b85e18009412cf21a14be45
https://doi.org/10.1039/c6nj03089k
https://doi.org/10.1039/c6nj03089k
Publikováno v:
Carbohydrate Research. 417:34-40
Arylation of 6-O-tert-butyldiphenylsilyl-3,4-di-O-isobutyloxycarbonyl-d-glucal (3) with various phenols in the presence of a catalytic amount of palladium(0) gave the corresponding 2,3- and 3,4-unsaturated β-O-glycosides. The reaction is stereospeci
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c9c9bc453882842007ad15182de363c8
https://doi.org/10.1016/j.carres.2015.08.016
https://doi.org/10.1016/j.carres.2015.08.016
Publikováno v:
Carbohydrate Research
Carbohydrate Research, Elsevier, 2015, 414, pp.51-59. ⟨10.1016/j.carres.2015.07.007⟩
Carbohydrate Research, Elsevier, 2015, 414, pp.51-59. ⟨10.1016/j.carres.2015.07.007⟩
International audience; New cryptands including bis-azacrown and saccharidic moieties in their structure were prepared in several steps by applying Staudinger-aza-Wittig reaction (SAW). Syntheses have been started from cheap, easily available commerc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8d4d00901892ddcbe0cebf57eff0daaa
https://doi.org/10.1016/j.carres.2015.07.007
https://doi.org/10.1016/j.carres.2015.07.007
Publikováno v:
Heteroatom Chemistry. 26:161-167
Two new C2 symmetric macrocycles, soluble in water, were prepared according to the one-step procedure using azacrown ethers and azidosaccharides. Their complexes with p-toluenesulfonamide were studied by proton NMR spectroscopy. The influence of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e116e9fca64501dcddc96f951b3f7163
https://doi.org/10.1002/hc.21242
https://doi.org/10.1002/hc.21242
Autor:
Stanislaw Porwanski, Agnieszka Kubiak, Izabela Szulc, Beata Olszewska, Anna Zawisza, Boguslaw Kryczka
Publikováno v:
Tetrahedron: Asymmetry. 24:212-216
Optically active 3-alkyl-3-hydroxymethyl-5-vinyltetrahydrofurans were synthesised from the corresponding methyl or isobutyl carbonates of ω,ω-bis(hydroxymethyl)-α,β-unsaturated alcohols via palladium-catalysed cyclisation. The use of chiral ligan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f303091c8bb5be3e4c6c592dda3b560f
https://doi.org/10.1016/j.tetasy.2013.01.012
https://doi.org/10.1016/j.tetasy.2013.01.012
Autor:
Alain Marsura, Stanislaw Porwanski
Publikováno v:
European Journal of Organic Chemistry. 2009:2047-2050
A templated Staudinger–aza-Wittig tandem reaction selectively affords in one step a monocellobiosyl[bis(ureido)]diazacrown cryptand and a bis(cellobiosyl)tetraureido[bis(diazacrown)] cryptand. Formation of each type of cryptand was under control by
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f5a6a94a4711f7dbe36e489c1f682666
https://doi.org/10.1002/ejoc.200900023
https://doi.org/10.1002/ejoc.200900023