Zobrazeno 1 - 10
of 61
pro vyhledávání: '"Miroslav Ludwig"'
Publikováno v:
ARKIVOC, Vol 2010, Iss 2, Pp 315-322 (2010)
Externí odkaz:
https://doaj.org/article/f24ae12fc57e44449d2a8bc59f0e0c5a
Publikováno v:
Molecules, Vol 12, Iss 5, Pp 1183-1190 (2007)
Five optically active imidazole derivatives have been synthesized via a facile 4-step reaction sequence starting from commercially available and inexpensive N-Cbz amino acids. While microwave assisted condensation was unsuccessful, the condensation o
Externí odkaz:
https://doaj.org/article/8203073d82cc492fad5db8a15a710010
Autor:
Zora Sustekova, Dusan Loos, Miroslav Ludwig, Patrik Parik, Walter M.F. Fabian, Alexander Perjessy
Publikováno v:
Molecules, Vol 9, Iss 4, Pp 213-222 (2004)
The wavenumbers of the IR absorption bands of the C=O, S=O and N-H stretching vibrations for a series of p-substituted N-phenylsulfonylbenzamides were measured in trichloromethane. The bond orders, Mulliken charges, charge densities and heats of form
Externí odkaz:
https://doaj.org/article/e27c7ccd546346caa8e4c3e8c08922db
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 5, Iss 1, p 11 (2009)
Simple, straightforward and optimized procedures for preparing extended π-conjugated linkers are described. Either unsubstituted or 4-donor substituted π-linkers bearing a styryl, biphenyl, phenylethenylphenyl, and phenylethynylphenyl π-conjugated
Externí odkaz:
https://doaj.org/article/6b6b1a17028744eea0f7815e8f97dcb6
Autor:
I.V. Kityk, Milan Klikar, Eva Novotná, Oldřich Pytela, Miroslav Ludwig, Jaroslaw Jedryka, Katarzyna Ozga, Filip Bureš
Publikováno v:
ChemPlusChem. 85:1549-1558
A series of new push-pull chromophores based on a combined cyclopenta[c]thiophene-4,6-dione (ThDione) acceptor, N,N-dimethylaniline, N-piperidinylthiophene or ferrocene donors, and ethylene or buta-1,3-dienylene π-linkers has been designed and synth
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::16131b912db522ca2b4bc408e1960a46
https://doi.org/10.1002/cplu.202000395
https://doi.org/10.1002/cplu.202000395
Autor:
Zdeňka Růžičková, Oldřich Pytela, Tomáš Mikysek, Milan Klikar, Veronika Jelínková, Filip Bureš, Miroslav Ludwig
Publikováno v:
European Journal of Organic Chemistry. 2017:2764-2779
Based on the 2-(N-piperidinyl)thiophene central donor, 32 model push–pull molecules with systematically varied malonic acid-derived peripheral acceptors have been prepared. Further property tuning has been achieved by modifying the π-linker and th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a8b1477f8aecf864579f8dddf321fec
https://doi.org/10.1002/ejoc.201700070
https://doi.org/10.1002/ejoc.201700070
Publikováno v:
Chemistry of Heterocyclic Compounds. 53:46-53
3,4-Dinitrothiophene has been utilized as a central acceptor unit in quadrupolar D-π-A-π-D push-pull-push chromophores. Employing cross-coupling and Knoevenagel reactions, nine novel chromophores bearing terminal methoxythiophene donor and systemat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::66ca951013360560c6c771ecc1e118e5
https://doi.org/10.1007/s10593-017-2020-1
https://doi.org/10.1007/s10593-017-2020-1
Autor:
Mihalis Fakis, Tomáš Mikysek, Miroslav Ludwig, Numan Almonasy, V. Giannetas, Milan Klikar, Oldřich Pytela, Daniel Cvejn, Filip Bureš, Evripidis Michail, Kostas Seintis
Publikováno v:
RSC Advances. 6:12819-12828
The photophysical and two-photon absorption (2PA) properties of two tri-podal molecules and of their quadrupolar and dipolar counterparts are reported for a series of solvents with varying polarity. The molecules possess a tri-phenylamine electron do
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a3235858689b088287cac01764870ced
https://doi.org/10.1039/c5ra25170b
https://doi.org/10.1039/c5ra25170b
Autor:
Jiří Kulhánek, Oldřich Pytela, Falko Pippig, Filip Bureš, Martin Danko, Miroslav Ludwig, Zdeňka Padělková, Tomáš Mikysek
Publikováno v:
Journal of Fluorine Chemistry. 161:15-23
1,2,4,5-Tetrafluorobenzene has been utilized as suitable central acceptor moiety in push–pull chromophores having D-π-A-π-D quadrupolar arrangement. Starting from commercially available 1,4-diiodotetrafluorobenzene, nine novel chromophores with s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::84c8fd41932a6999140790803a2264e6
https://doi.org/10.1016/j.jfluchem.2014.02.002
https://doi.org/10.1016/j.jfluchem.2014.02.002
Autor:
Jiří Kulhánek, Tomáš Mikysek, I.V. Kityk, Hana Čermáková, Filip Bureš, Aleš Růžička, Wojciech Kuznik, Miroslav Ludwig
Publikováno v:
European Journal of Organic Chemistry. 2012:529-538
Thirteen new, stable, push–pull systems featuring dimethylamino and pyrazine-2,3-dicarbonitrile moieties as the donor and acceptor, respectively, and systematically extended and varied π-linkers were prepared and investigated. Evaluation of the me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6654aecfb278a246ebf9aee3598e2d31
https://doi.org/10.1002/ejoc.201101226
https://doi.org/10.1002/ejoc.201101226