Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Michał Pieczykolan"'
Autor:
Michał Pieczykolan, James B. Derr, Amara Chrayteh, Beata Koszarna, John A. Clark, Olena Vakuliuk, Denis Jacquemin, Valentine I. Vullev, Daniel T. Gryko
Publikováno v:
Molecules, Vol 26, Iss 16, p 4744 (2021)
Three centrosymmetric diketopyrrolopyrroles possessing either two 2-(2′-methoxyphenyl)benzothiazole or two 2-(2′-methoxyphenyl)benzoxazolo-thiophene scaffolds were synthesized in a straightforward manner, and their photophysical properties were i
Externí odkaz:
https://doaj.org/article/53001f3517c544239f096ad0de53380a
Autor:
Michał Pieczykolan, Justyna Czaban-Jóźwiak, Maura Malinska, Krzysztof Woźniak, Reto Dorta, Anna Rybicka, Anna Kajetanowicz, Karol Grela
Publikováno v:
Molecules, Vol 25, Iss 10, p 2282 (2020)
A set of nitro-activated ruthenium-based Hoveyda-Grubbs type olefin metathesis catalysts bearing sterically modified N-hetero-cyclic carbene (NHC) ligands have been obtained, characterised and studied in a set of model metathesis reactions. It was fo
Externí odkaz:
https://doaj.org/article/0fda7f5f2fb34a2f895f52856b1b6599
Publikováno v:
Angewandte Chemie International Edition. 59:7528-7535
A new, transformative methodology for the preparation of diketopyrrolopyrroles from aldehydes, primary amines, nitriles, and diethyl oxalacetate has been developed. It is now possible to prepare diketopyrrolopyrroles bearing an ordered arrangement of
Autor:
Beata Koszarna, Michał Pieczykolan, Daniel T. Gryko, Denis Jacquemin, Olena Vakuliuk, John A. Clark, James B. Derr, Amara Chrayteh, Valentine I. Vullev
Publikováno v:
Molecules
Molecules, Vol 26, Iss 4744, p 4744 (2021)
Volume 26
Issue 16
Molecules, Vol 26, Iss 4744, p 4744 (2021)
Volume 26
Issue 16
Three centrosymmetric diketopyrrolopyrroles possessing either two 2-(2′-methoxyphenyl)benzothiazole or two 2-(2′-methoxyphenyl)benzoxazolo-thiophene scaffolds were synthesized in a straightforward manner, and their photophysical properties were i
Publikováno v:
Carbohydrate Research. 433:89-96
1,3-Dipolar cycloadditions of 2-deoxy-D-ribose-derived L-threo five-membered cyclic nitrone to α,β-unsaturated γ- and δ-lactones were investigated. Cycloadducts obtained from δ-lactones, after NO bond cleavage, opening of the lactone ring, and p
Publikováno v:
Organicbiomolecular chemistry. 16(21)
A synthesis of non-racemic β-alkyl-β-aryl allyl alcohols and their transformation into allylamines bearing a quaternary stereogenic center is reported. The allyl alcohols were prepared either by Cu-catalyzed enantioselective reduction of enones or
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
Publikováno v:
Synlett. 24:1250-1254
New ruthenium complexes bearing chiral 1,2,4-triazol-5-ylidene ligands were obtained and tested in model asymmetric metathesis reactions. Low enantioselectivity in asymmetric ring-closing metathesis (ARCM) and moderate enantioselectivity in asymmetri
Publikováno v:
The Journal of organic chemistry. 81(19)
The combination of Ichikawa’s rearrangement and a ring-closing metathesis reaction of allyl carbamates is presented as a method for the preparation of 5-amino-substituted 2,5-dihydro-benzo[b]oxepines, 2,5-dihydro-benzo[b]azepines, and 2,5-dihydro-b
Publikováno v:
ChemInform. 47