Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Armin Presser"'
Autor:
Nina Scheiber, Gregor Blaser, Eva-Maria Pferschy-Wenzig, Marcel Kaiser, Pascal Mäser, Armin Presser
Publikováno v:
Molecules, Vol 27, Iss 19, p 6559 (2022)
Quinones and quinols are secondary metabolites of higher plants that are associated with many biological activities. The oxidative dearomatization of phenols induced by hypervalent iodine(III) reagents has proven to be a very useful synthetic approac
Externí odkaz:
https://doaj.org/article/1f327826012141e9b9075e3ef67e8f7a
Autor:
Armin Presser, Gunda Lainer, Nadine Kretschmer, Wolfgang Schuehly, Robert Saf, Marcel Kaiser, Marc-Manuel Kalt
Publikováno v:
Molecules, Vol 23, Iss 11, p 2902 (2018)
The cytotoxic and antiprotozoal activities of the phytoquinoide, jacaranone, and related compounds have been an ongoing topic in recent drug discovery. Starting from the natural product-derived cyclohexadienone scaffold, a series of nitrogen-containi
Externí odkaz:
https://doaj.org/article/0eabf5e76b3f451aa19f6670fed37d64
Autor:
Marcel Kaiser, Robert Saf, Wolfgang Schuehly, Armin Presser, Sandra Ochensberger, Marc-Manuel Kalt, Julia Solnier, Franz Bucar
Publikováno v:
European Journal of Medicinal Chemistry. 207:112837
Malaria and tuberculosis are still among the leading causes of death in low-income countries. The 1,4-naphthoquinone (NQ) scaffold can be found in a variety of anti-infective agents. Herein, we report an optimised, high yield process for the preparat
Publikováno v:
Monatshefte für Chemie - Chemical Monthly. 145:305-309
An improved five-step procedure has been applied to synthesize enantiopure l- and d-1,4-di-O-benzylthreitol out of readily available l- and d-tartaric acid. Through the use of modern reagents and enhanced work-up conditions these useful auxiliaries w
Autor:
A. Obmann, Ingrid Werner, Samdan Narantuya, Martin Zehl, Armin Presser, Sodnomtseren Purevsuren, Christa Kletter, Sabine Glasl, Zita Swoboda
Publikováno v:
Carbohydrate Research. 346:1868-1875
Eighteen flavonoids were identified from an aqueous extract of the aerial parts of Dianthus versicolor, a plant used in traditional Mongolian medicine against liver diseases. The flavonoid C- and O-glycosides isoorientin-7-O-rutinoside, isoorientin-7
Autor:
Marcel Kaiser, Gunda Lainer, Robert Saf, Marc Manuel Kalt, Nadine Kretschmer, Wolfgang Schuehly, Armin Presser
Publikováno v:
Molecules, Vol 23, Iss 11, p 2902 (2018)
Molecules
Volume 23
Issue 11
Molecules
Volume 23
Issue 11
The cytotoxic and antiprotozoal activities of the phytoquinoide, jacaranone, and related compounds have been an ongoing topic in recent drug discovery. Starting from the natural product-derived cyclohexadienone scaffold, a series of nitrogen-containi
Publikováno v:
Journal of Agricultural and Food Chemistry. 56:11688-11693
The influence of larch (Larix decidua L.) sawdust extracts on arachidonate metabolism has been evaluated in vitro. Extracts of different polarities were tested for their ability to inhibit prostaglandin formation by COX-1 and COX-2 and LTB(4) formati
Autor:
Marcel Kaiser, Rumalla Chidananda Swamy, Achanta Venkata Narasimha Appa Rao, Wolfgang Schühly, Armin Presser, Silke Buzzi, Olaf Kunert
Publikováno v:
Phytochemistry Letters. 1:171-174
A series of eleven biflavonoids containing amentoflavone and hinokiflavone derivatives from the Indian medicinal herb Selaginella bryopteris has been investigated for their antiprotozoal activity using in vitro assays against the K1 strain of Plasmod
Publikováno v:
Zeitschrift für Naturforschung B. 62:267-271
The investigation of a dichloromethane extract of flower heads of Achillea clypeolata collected in Bulgaria led to the isolation of one guaiane (4,10,11-trihydroxy-guaiane, 1), four eudesmanes (4(15)-eudesmene-1β ,11-diol, 2, clypeotriol, 3, 3-epi-c
Publikováno v:
Monatshefte für Chemie - Chemical Monthly. 137:365-374
Several improved approaches for the preparation of tetra-O-benzyl-α-D-glucopyranosyl bromide and tetra-O-pivaloyl-α-D-glucopyranosyl bromide are discussed. The importance of these compounds, which are useful glycosyl donors, was demonstrated by suc