Zobrazeno 1 - 10
of 114
pro vyhledávání: '"Detlef Wendisch"'
Autor:
Detlef Wendisch, Oswald Lockhoff, Axel Gohrt, Christoph Erdelen, Ulrike Dr. Wachendorff, Robert Velten, Jürgen Georg Dr. Lenz, Matthias Gehling, Daniel Gondol
Publikováno v:
Tetrahedron Letters. 39:1737-1740
Two novel Amaryllidaceae alkaoids named cripowellin A (1) and B (3) were isolated from bulbs of Crinum powellii. Their structures were elucidated by spectroscopic investigations and confirmed by X-ray analysis.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f336ed90ab7c3ed2b5c54bd856c9328
https://doi.org/10.1016/s0040-4039(98)00057-4
https://doi.org/10.1016/s0040-4039(98)00057-4
Publikováno v:
Planta Medica. 61:544-550
From flowerheads of Arnica angustifolia ssp. attenuata nine helenanolides, two 1,5- trans-guaianolides, and a mixture of inositol-tetraesters were isolated. Five of the helenanolides are described for the first time. One of them, 4- O-tigloylarnicalp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::966fd885f391bce04afa317bd370640f
https://doi.org/10.1055/s-2006-959368
https://doi.org/10.1055/s-2006-959368
Publikováno v:
Phytochemistry. 40:1213-1218
From flowerheads of Arnica angustifolia ssp. attenuata the labdane diterpenes labd-13(Z)-ene-8α,15-diol (main component) and (13R,14R)8,13-epoxylabdane-14,15-diol were isolated and their structures established by extensive NMR and MS measurements. B
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e16fc87d28f60414ce9ee95447284a1a
https://doi.org/10.1016/0031-9422(95)00304-p
https://doi.org/10.1016/0031-9422(95)00304-p
Publikováno v:
Phytochemistry. 39:133-137
Eleven sesquiterpene lactones were isolated from above ground organs of Neurolaena lobata , obtained from Guatemala. Their structures were established by NMR spectroscopic methods, including 2D-NMR, as well as GC-MS analysis. Differences in the sesqu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17f382cf1ea5c8884dfa2283f55b0fa3
https://doi.org/10.1016/0031-9422(94)00863-o
https://doi.org/10.1016/0031-9422(94)00863-o
Publikováno v:
Archiv der Pharmazie. 327:445-453
Bei der Umsetzung von 2- und 4-Pyridylacetonitrilen und -estern unter Mannich-Bedingungen sind die Aminomethylverbindungen nicht fasbar, sondern ergeben unter spontaner Amineliminierung und Polyaddition Oligomere. Aus 2-Pyridylacetonitril wird ein ei
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::43574ac9ff581461b1e8782abe81b03e
https://doi.org/10.1002/ardp.19943270707
https://doi.org/10.1002/ardp.19943270707
Publikováno v:
Synthesis. 1982:949-951
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::83aa8b704d60fb373b37325737c30a67
https://doi.org/10.1055/s-1982-30015
https://doi.org/10.1055/s-1982-30015
Publikováno v:
ChemInform. 27
From flowerheads of Arnica angustifolia ssp. attenuata the labdane diterpenes labd-13(Z)-ene-8α,15-diol (main component) and (13R,14R)8,13-epoxylabdane-14,15-diol were isolated and their structures established by extensive NMR and MS measurements. B
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1cea10a15c12133a20144bd15de280d2
https://doi.org/10.1002/chin.199609211
https://doi.org/10.1002/chin.199609211
Autor:
Oswald Lockhoff, Axel Goehrt, Robert Velten, Matthias Gehling, Detlef Wendisch, Jürgen Georg Dr. Lenz, Ulrike Dr. Wachendorff, Daniel Gondol, Christoph Erdelen
Publikováno v:
ChemInform. 29
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39de3580b2281b2e0ad870e04fe8d96c
https://doi.org/10.1002/chin.199825262
https://doi.org/10.1002/chin.199825262
Autor:
Detlef Wendisch, Folker Lieb, Heinrich Moeschler, Robert Söllner, Liborius Born, Maria Nonfon, Jens Peter Lorentzen
Publikováno v:
Planta Medica. 56:312-316
Annonin I ( 1) and anonin VI ( 9) were isolated from the seeds of ANNONA SQUAMOSA L. (Annonaceae). The constitution of 1 is identical with that of squamocin, isolated by Fujimoto et al. (8). The relative configuration of 1 was elucidated by X-ray dif
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f93e59882d4be01cf85bbfc3e9a73bb
https://doi.org/10.1055/s-2006-960967
https://doi.org/10.1055/s-2006-960967
Autor:
Detlef Wendisch, Christoph Marcinek-Hüpen-Bestendonk, B. Middelhauve, Dietrich Mootz, Michael Wiebcke, Günter Willuhn, Alois Steigel
Publikováno v:
Planta Medica. 56:104-110
The flowers of ARNICA MOLLIS afforded, in addition to baileyin ( 1A), baileyin acetate ( 1B), xanthalongin ( 3), and 2-deacetoxy-11alpha,13-dihydroxanthuminol ( 6), the new 1,5- CIS-guaianolides arnimollin acetate ( 2A) and arnimollin tiglinate ( 2A)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::96e80692bc849e4e322ea0dc11d3101a
https://doi.org/10.1055/s-2006-960898
https://doi.org/10.1055/s-2006-960898