Zobrazeno 1 - 10
of 120
pro vyhledávání: '"Volker Sinnwell"'
Autor:
Sven T. Possner, Wittko Francke, Hans Tore Rapp, Volker Sinnwell, Stefan Franke, Frank C. Schroeder
Publikováno v:
Zeitschrift fur Naturforschung. C, Journal of biosciencesReferences. 72(7-8)
A new isoquinoline quinone system and its iodinated derivatives were isolated from the ascidian tunicate Ascidia virginea Müller 1776 (Phlebobranchia: Ascidiidae). Structures were elucidated by spectroscopic methods and derivatization reactions. Asc
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 254:165-173
The acyclic diene metathesis (ADMET) polycondensation of 1,4-diheptyloxy-2,5-divinylbenzene (DHepODVB) with the Schrock-type alkylidene complex Mo ( NA r M e 2 ) ( CHCM e 2 Ph ) [ OCMe ( C F 3 ) 2 ] 2 was investigated by means of in situ 1H/13C NMR s
Publikováno v:
Magnetic Resonance in Chemistry. 41:269-272
A series of areneboronic acids were studied by NMR spectroscopy. Increments for the 1H and 13C chemical shifts caused by the boronic acid substituent B(OH)2 in areneboronic acids were determined. Copyright © 2003 John Wiley & Sons, Ltd.
Publikováno v:
Phytochemistry. 51:987-990
Spirolepechinene, a new sesquiterpene hydrocarbon, and the previously described spirovetivane premnaspirodiene were isolated from the essential oil of the leaves of Lepechinia bullata collected in Venezuela. Their structures have been established by
Publikováno v:
Journal of Bacteriology. 181:1189-1195
Biodegradation of 2,4,6-trinitrophenol (picric acid) by Rhodococcus erythropolis HLPM-1 proceeds via initial hydrogenation of the aromatic ring system. Here we present evidence for the formation of a hydride-Meisenheimer complex (anionic ς-complex)
Publikováno v:
Journal of Biomolecular NMR. 14:33-45
The three-dimensional structure of a glycopeptide, His-Thr*-Ser*-Thr*-Ser*-Ser*-Ser*-Val-Thr-Lys, with 2-acetamido-2-deoxy-α-D-galactose (GalNAc) residues linked to six adjacent amino acids from Thr-10 to Ser-15, was studied by NMR spectroscopy and
Autor:
Ulrich Papke, Carsten Theodor Muller, Frank C. Schroeder, E. Zeeck, Jörg D. Hardege, Manfred Beckmann, Wittko Francke, Volker Sinnwell
Publikováno v:
Chemoecology. 8:33-38
In the marine polychaete Nereis succinea (Frey & Leuckart 1847) a sex pheromone was isolated from the coelomic fluid of sexually mature females and identified by NMR studies and independent synthesis. This pheromone is released by the females during
Publikováno v:
Phytochemistry. 47:1079-1083
The essential oil composition of fruits from Smyrnium perfoliatum obtained by hydrodistillation has been investigated. A large proportion of the oil was composed of sesquiterpene hydrocarbons (60.5%) with germacrene D (45.2%) as main constituent. The
Publikováno v:
Helvetica Chimica Acta. 81:303-306
On irradiation (350 nm) in the presence of excess 2,3-dimethylbut-2-ene, the newly synthesized title compound 5 affords as main products the unexpected cyclopropylpyrrolidine 10 (50%) and the spiro-oxetane 9 (25%).
Autor:
J. Velasco, Yuriy A. Knirel, Ulrich Zähringer, Hermann Moll, Ignacio Moriyón, Volker Sinnwell
Publikováno v:
Carbohydrate Research. 306:283-290
A degradation protocol using de-O-acylation and subsequent alkaline de-N-acylation was applied to the lipopolysaccharide of Ochrobactrum anthropi rough strain LMG 3301. Three main oligosaccharide bisphosphates containing core–lipid A backbone struc