Zobrazeno 1 - 10
of 113
pro vyhledávání: '"Dieter Heber"'
Publikováno v:
Molecules, Vol 5, Iss 1, Pp 19-32 (2000)
Reaction of 4-hydroxy-6-methyl-2-pyrone (1a) as well as 4-hydroxy-6-methyl-2(1H)-pyridones (1b-d) with arylmethylene malononitriles or arylmethylene methyl cyanoacetates (2a-h) leads to the formation of the very stable 5,6-fused bicyclic 2-amino-4Hpy
Externí odkaz:
https://doaj.org/article/ab2382bf95604a50bec80a0351f68691
Autor:
Tamara N. Steinhauer, Inga Zebothsen, Dieter Heber, Doris Marko, Matthias Weide, Bernd Clement, Christopher Meier, Dana zur Nieden, Ulrich Wolschendorf, Georg Aichinger, Ulrich Girreser, Ilka Kaltefleiter, Lars Stenzel
Publikováno v:
ChemMedChem. 11:2155-2170
The synthesis of various new structures of a library of 11-substituted 6-amino-11,12-dihydrobenzo[c]phenanthridines (BP) and 11-substituted 6-aminobenzo[c]phenanthridines (BP-D) is presented. These structures, further synthetic modifications, and the
Autor:
Lars Stenzel, Bernd Clement, Christopher Meier, Tamara N. Steinhauer, Dieter Heber, Daniel Längle, Ulrich Girreser
Publikováno v:
Chemistry - A European Journal. 21:6668-6672
We herein describe a facile and versatile synthetic route to the tetracyclic system of 6-substituted 5,6-dihydro-11H-pyrido[3,2-i]-1-azacarbazoles with promising anticancer properties. These derivatives are built up by an elegant one-step base-cataly
Autor:
Booma Ramassamy, Dieter Heber, Ulrich Girreser, Ulrich Wolschendorf, Ullvi Bluhm, Bernd Clement, Jean-Luc Boucher
Publikováno v:
Journal of Heterocyclic Chemistry. 52:24-39
Aryl methyl ketones can be easily converted to 1-aryl-2-dimethylaminomethylpropenones that are known as interesting lead structures for drug development. By reaction of these enone Mannich bases with benzamidines, a series of new 2-aryl-5-aroyl-3,4,5
1 H, 13 C and 15 N NMR spectral analysis of substituted 1,2,3,4-tetrahydro-pyrido[1,2-a ]pyrimidines
Publikováno v:
Magnetic Resonance in Chemistry. 51:714-721
The NMR spectroscopic data of a series of thirty-four 3-acylpyrido[1,2-a]pyrimidinium salts are analyzed, which were prepared as either perchlorates or chlorides. Methyl group substituted 3-aroyltetrahydropyrido[1,2-a]pyrimidines with the methyl subs
Autor:
Dieter Heber, Bernd Clement, Christopher Meier, Ulrich Girreser, Joscha Kotthaus, Lars Stenzel
Publikováno v:
Tetrahedron. 68:9105-9112
Based on the 6-aminobenzo[ c ]phenanthridines, a compound class showing noteworthy antitumor activity, an efficient one-step synthesis consisting of a base-catalyzed condensation of 2 equiv of 4-methylpyridine-3-carbonitrile and various aldehydes cau
Publikováno v:
Synthesis. 2010:2017-2022
Autor:
Michel Lepoivre, Thanh Lam, Ullvi Bluhm, Jean-Luc Boucher, Uwe Dr. Buss, Dieter Heber, Mojgan Rostaie-Gerylow, Ulrich Wolschendorf, Bernd Clement, Friederike Friedrich, Ulrich Girreser
Publikováno v:
European Journal of Medicinal Chemistry. 44:2877-2887
A series of new 3-aroylpyrido[1,2-a]pyrimidines were synthesized from aryl methyl ketones in a simple two-step procedure and evaluated as nitric oxide synthases (NOS) inhibitors. In order to perform a structure-activity relationship study, different
Publikováno v:
Zeitschrift für Naturforschung B. 64:662-668
A synthetic access to novel cinnamoamides 6 was discovered by chance and explored following a two-step route. Compounds 3 were available from 6-amino-1,3-dimethyluracil (1) by acylation using benzoyl chlorides 2 and subsequently converted to 2-cyano-
Autor:
Daniel S. Laengle, Ulrich Girreser, Dieter Heber, Christopher Meier, Lars Stenzel, Bernd Clement, Tamara N. Steinhauer
Publikováno v:
ChemInform. 46