Zobrazeno 1 - 10
of 295
pro vyhledávání: '"Hans-Achim Wagenknecht"'
Autor:
Rita T. Michenfelder, Fred Pashley‐Johnson, Viktor Guschin, Laura Delafresnaye, Vinh X. Truong, Hans‐Achim Wagenknecht, Christopher Barner‐Kowollik
Publikováno v:
Advanced Science, Vol 11, Iss 29, Pp n/a-n/a (2024)
Abstract The wavelength‐by‐wavelength resolved photoreactivity of two photo‐caged carboxylic acids, i. e. 7‐(diethylamino)‐coumarin‐ and 3‐perylene‐modified substrates, is investigated via photochemical action plots. The observed wave
Externí odkaz:
https://doaj.org/article/e4bb189f53704a06b51052fa35baf6f5
Autor:
Barbara Reiß, Hans-Achim Wagenknecht
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 15, Iss 1, Pp 2043-2051 (2019)
Five core-substituted naphthalene diimides bearing two dialkylamino groups were synthesized as potential visible light photoredox catalysts and characterized by methods of optical spectroscopy and electrochemistry in comparison with one unsubstituted
Externí odkaz:
https://doaj.org/article/afb6c862e105496a85e5f9fad30020ba
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 15, Iss 1, Pp 52-59 (2019)
A new range of N-phenylphenothiazine derivatives was synthesized as potential photoredox catalysts to broaden the substrate scope for the nucleophilic addition of methanol to styrenes through photoredox catalysis. These N-phenylphenothiazines differ
Externí odkaz:
https://doaj.org/article/7e4742a677b74a0397600669bdd0f895
Autor:
Sara Müller, Felix Manger, Lorenz Graf von Reventlow, Alexander Colsmann, Hans-Achim Wagenknecht
Publikováno v:
Frontiers in Chemistry, Vol 9 (2021)
Supramolecular chemistry allows the construction of complex molecular architectures and the design of collective photophysical properties. DNA is an attractive template to build such supramolecular architectures due to its helical structure, the defi
Externí odkaz:
https://doaj.org/article/3d7bd2fc8f33491bb085bd4750332764
Autor:
Artur Jabłoński, Yannic Fritz, Hans-Achim Wagenknecht, Rafał Czerwieniec, Tytus Bernaś, Damian Trzybiński, Krzysztof Woźniak, Konrad Kowalski
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 13, Iss 1, Pp 2521-2534 (2017)
Fluorescent pyrene–linker–nucleobase (nucleobase = thymine, adenine) conjugates with carbonyl and hydroxy functionalities in the linker were synthesized and characterized. X-ray single-crystal structure analysis performed for the pyrene–C(O)CH2
Externí odkaz:
https://doaj.org/article/048698f4f8474b999138996c22d2a86e
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 13, Iss 1, Pp 127-137 (2017)
The arabino-configured analog of uridine with a propargyl group at the 2’-position was synthesized and incorporated into DNA by solid-phase chemistry. The fluorescence quantum yields of DNA strands that were postsynthetically modified by blue and g
Externí odkaz:
https://doaj.org/article/d7d33d9dd63f49e091c35992f6587018
Autor:
Yannic Fritz, Hans-Achim Wagenknecht
Publikováno v:
Frontiers in Chemistry, Vol 7 (2019)
Six different conjugates of perylene with 2′-deoxyuridine and with 2-amino-2′-deoxyadenosine were synthesized and applied for DNA-templated assembly in aqueous buffer solutions. They differ by the linkers ethynylene, phenylene, and phenylene–et
Externí odkaz:
https://doaj.org/article/2225804b40924b33a39a0d64f7f3a6e2
Autor:
Katja Krell, Hans-Achim Wagenknecht
Publikováno v:
Biomolecules, Vol 10, Iss 3, p 480 (2020)
A bromoaryltetrazole-modified uridine was synthesized as a new RNA building block for bioorthogonal, light-activated and postsynthetic modification with commercially available fluorescent dyes. It allows “photoclick”-type modifications by irradia
Externí odkaz:
https://doaj.org/article/45c891b9cbf243f7b991ea3ccc6806cf
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 11, Iss 1, Pp 568-575 (2015)
The nucleophilic addition of methanol and other alcohols to 1,1-diphenylethylene (1) and styrene (6) into the Markovnikov- and anti-Markovnikov-type products was selectively achieved with 1-(N,N-dimethylamino)pyrene (Py) and 1,7-dicyanoperylene-3,4:9
Externí odkaz:
https://doaj.org/article/90db8155397f46a58ca61d0f4dadd935
Autor:
Nattawut Yotapan, Chayan Charoenpakdee, Pawinee Wathanathavorn, Boonsong Ditmangklo, Hans-Achim Wagenknecht, Tirayut Vilaivan
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 10, Iss 1, Pp 2166-2174 (2014)
DNA or its analogues with an environment-sensitive fluorescent label are potentially useful as a probe for studying the structure and dynamics of nucleic acids. In this work, pyrrolidinyl peptide nucleic acid (acpcPNA) was labeled at its backbone wit
Externí odkaz:
https://doaj.org/article/40fea26dd52949a588e628d9dd568d0b