Zobrazeno 1 - 10
of 649
pro vyhledávání: '"Burkhard König"'
Publikováno v:
JACS Au, Vol 4, Iss 9, Pp 3340-3357 (2024)
Externí odkaz:
https://doaj.org/article/35bd7409adfd4fb08029978503237447
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 18, Iss 1, Pp 331-336 (2022)
A facile one-pot synthesis of 5-unsubstituted dihydropyrimidinones from β,γ-unsaturated ketoesters in low melting ʟ-(+)-tartaric acid–N,N-dimethylurea mixtures is reported. This solvent-free method is very general and provides easy access to 5-u
Externí odkaz:
https://doaj.org/article/a334cb6607bb48e3a8a61b6715983fc8
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 17, Iss 1, Pp 1727-1732 (2021)
We have developed a cerium-photocatalyzed aerobic oxidation of primary and secondary benzylic alcohols to aldehydes and ketones using inexpensive CeCl3·7H2O as photocatalyst and air oxygen as the terminal oxidant.
Externí odkaz:
https://doaj.org/article/4b4e2df2db9c49528abbaf287f101ea2
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 16, Iss 1, Pp 1188-1202 (2020)
The preparation of activated carbon materials is discussed along selected examples of precursor materials, of available production and modification methods and possible characterization techniques. We evaluate the preparation methods for activated ca
Externí odkaz:
https://doaj.org/article/7bf4cd821a01454bb0329c8e527a630e
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-11 (2020)
Flavins and deazaflavins are well suited for photoredox processes but their application in photoreductions is challenging. Here, the authors provide direct evidence of the high reductive power of excited deazaflavin semiquinones and their application
Externí odkaz:
https://doaj.org/article/036b9a58c65b47d5b79a52544327e4f1
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 15, Iss 1, Pp 780-788 (2019)
The serotonin 5-hydroxytryptamine 3 receptor (5-HT3R) plays a unique role within the seven classes of the serotonin receptor family, as it represents the only ionotropic receptor, while the other six members are G protein-coupled receptors (GPCRs). T
Externí odkaz:
https://doaj.org/article/cc476cf96b6a41858df50851f3b562f1
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 14, Iss 1, Pp 2520-2528 (2018)
Electron-rich arenes react with aryl and alkyl disulfides in the presence of catalytic amounts of [Ir(dF(CF3)ppy)2(dtbpy)]PF6 and (NH4)2S2O8 under blue light irradiation to yield arylthiols. The reaction proceeds at room temperature and avoids the us
Externí odkaz:
https://doaj.org/article/200c0fa9faf8457c8aed8ddc983f90eb
Autor:
Alexander Wimmer, Burkhard König
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 14, Iss 1, Pp 54-83 (2018)
This review summarizes recent developments in photocatalyzed carbon–sulfur bond formation. General concepts, synthetic strategies and the substrate scope of reactions yielding thiols, disulfides, sulfoxides, sulfones and other organosulfur compound
Externí odkaz:
https://doaj.org/article/0d44b9ee8c11423e81e7ac8d0bf3fc0d
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 73, Iss 6, Pp 804-808 (2017)
In the title compounds, N-(5-acetyl-2-methylphenyl)quinoline-2-carboxamide [C19H16N2O2, (I)], N-(5-acetyl-2-bromophenyl)quinoline-2-carboxamide [C18H13BrN2O2, (II)] and N-(5-acetyl-2-ethynylphenyl)quinoline-2-carboxamide [C20H14N2O2, (III)], the quin
Externí odkaz:
https://doaj.org/article/897ecf6d6320429faa2eb52801af57b7
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 73, Iss 4, Pp 602-605 (2017)
In the title compound, C25H16N2O2, the quinoline ring system is essentially planar, with a maximum deviation of 0.030 (1) Å, and forms a dihedral angle of 20.9 (1)° with benzoyl benzene ring. The unsubstituted phenyl ring forms dihedral angles of 5
Externí odkaz:
https://doaj.org/article/501fc13e5b034bb7821996c395eff506