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Number of items: 50.

Wollenweber, Eckhard ; Valant-Vetschera, K. M. ; Wilson Fernandez, G. (2006)
Chemodiversity of exudate flavonoids in Baccharis concinna and three further South-American Baccharis species.
In: Natural product communications, 1
Article

Valant-Vetschera, K. M. ; Wollenweber, Eckhard (2006)
Flavones and flavonoids.
In: Flavonoids : chemistry, biochemistry and applications / ed by Îyvind M. Andersen; Kenneth R. Markham.- Boca Raton, Fla. [u.a.] : CRC Taylor & Francis, 2006.- 1237 S.-ISBN: 0-8493-2021-6.- S. 617-748
Book Section

Mohamed, A. E.-H. H. ; Ahmed, A. A. ; Wollenweber, Eckhard ; Bohm, B. ; Asakawa, Y. (2006)
Highly oxygenated guaianolides and eudesman-12-oic acids from Balsamorhiza sagittata and Balsamorhiza macrophylla.
In: Chemical & pharmaceutical bulletin, 54
Article

Zhou, J.-M. ; Gold, N. D. ; Martin, V. J. J. ; Wollenweber, Eckhard ; Ibrahim, R. K. (2006)
Sequential O-methylation of tricetin by a single gene product in wheat.
In: Biochimica et biophysica acta, 1760
Article

Iinuma, M. ; Tanaka, T. ; Oyama, M. ; Wollenweber, Eckhard (2006)
Two novel natural flavonoids from Primula palinuri.
In: Natural product communications, 1
Article

Wollenweber, Eckhard ; Dörsam, M. ; Dörr, M. ; Roitman, J. N. ; Valant-Vetschera, K. M. (2005)
Chemodiversity of surface flavonoids in Solanaceae.
In: Zeitschrift für Naturforschung / C, 60
Article

Wollenweber, Eckhard ; Christ, M. ; Dunstan, R. H. ; Roitman, J. N. ; Stevens, J. F. (2005)
Exudate flavonoids in some Gnaphalieae and Inuleae (Asteraceae).
In: Zeitschrift für Naturforschung / C, 60
Article

Tokalov, S. V. ; Kind, B. ; Wollenweber, Eckhard ; Gutzeit, H. O. (2004)
Biological effects of epicuticular flavonoids from Primula denticulata on human leukaemia cells.
In: Journal of agricultural and food chemistry, 52
Article

Valant-Vetschera, K. M. ; Wollenweber, Eckhard (2004)
Chemodiversity of exudate flavonoids in some Haplopappus species from Chile.
Conference or Workshop Item

Wollenweber, Eckhard ; Dörr, M. ; Bohm, B. A. ; Roitman, J. N. (2004)
Exudate flavonoids of eight species of Ceanothus (Rhamnaceae).
In: Zeitschrift für Naturforschung / C, 59
Article

Krauze-Baranowska, M. ; Baczek, T. ; Glod, D. ; Kaliszan, R. ; Wollenweber, Eckhard (2004)
HPLC separation of O-acylated flavonoids and biflavones from some species of Gymnospermae.
In: Chromatographia, 60
Article

Wollenweber, Eckhard ; Stevens, J. F. ; Klimo, K. ; Knauft, J. ; Frank, N. ; Gerhäuser, C. (2003)
Cancer chemopreventive in vitro activities of isoflavones isolated from Iris germanica.
In: Planta medica, 69 (1)
doi: 10.1055/s-2003-37030
Article

Valant-Vetschera, K. M. ; Roitman, J. N. ; Wollenweber, Eckhard (2003)
Chemodiversity of exudate flavonoids in some members of the Lamiaceae.
In: Biochemical systematics and ecology, 31
Article

Wollenweber, Eckhard ; Dörr, M. ; Rivera, D. ; Roitman, J. N. (2003)
Externally accumulated flavonoids in three mediterranean Ononis species.
In: Zeitschrift für Naturforschung / C, 58
Article

Valant-Vetschera, K. M. ; Fischer, R. ; Wollenweber, Eckhard (2003)
Exudate flavonoids in species of Artemisia(Asteraceae-Anthemideae) : new results and chemosystematic interpretation.
In: Biochemical systematics and ecology, 31
Article

Wollenweber, Eckhard ; Dörr, M. ; Dörsam, M. ; Hassan, A. El. ; Ahmed, A. A. ; Hegazy, M. F. ; Zeller, K.-P. (2003)
Flavonoids and terpenoids from the resinous exudates of Madia species (Asteraceae, Helnieae).
In: Zeitschrift für Naturforschung / C, 58
Article

Valant-Vetschera, K. M. ; Wollenweber, Eckhard ; Gaydou, E. (2003)
New exudate flavonoids of species from the Crysanthemum complex(Asteraceae-Anthemideae).
In: Biochemical systematics and ecology, 31
Article

Wollenweber, Eckhard ; Stevens, J. F. ; Dörr, M. ; Rozefelds, A. C. (2003)
Taxonomic significance of flavonoid variation in temperate species of Nothofagus.
In: Phytochemistry, 62
Article

Wollenweber, Eckhard ; Wehde, R. ; Dörr, M. ; Stevens, J. F. (2002)
On the occurrence of exudate flavonoids in the Borage family (Boraginaceae).
In: Zeitschrift für Naturforschung : Section C, 57
Article

Wollenweber, Eckhard ; Dörr, M. ; Stevens, J. F. (2001)
A dihydroflavonol with taxonomic significance from the fern Notholaena-sulphurea.
In: Zeitschrift für Naturforschung C, 56 (7-8)
doi: 10.1515/znc-2001-7-804
Article

Wollenweber, Eckhard ; Wehde, R. ; Dörr, M. ; Lang, G. ; Stevens, F. J. (2000)
C-methyl-flavonoids from leaf exudates of some Myrtaceae.
In: Phytochemistry, 55 (8)
doi: 10.1016/S0031-9422(00)00348-4
Article

Wollenweber, Eckhard ; Dörr, M. ; Roitman, J. N. (2000)
Epicuticular flavonoids of some Scrophulariaceae.
In: Zeitschrift f�r Naturforschung, 55 C (1)
doi: 10.1515/znc-2000-1-203
Article

Wollenweber, Eckhard ; Wieland, A. ; Haas, K. (2000)
Epicuticular waxes and flavonol aglycones of the European mistletoe, Viscum album.
In: Zeitschrift für Naturforschung C, 55 (5-6)
Article

Wollenweber, Eckhard ; Dörr, M. ; Rozefelds, A. C. ; Minchin, P. ; Forster, P. (2000)
Variation in flavonoid exudates in Eucryphia species from Australia and South America.
In: Biochemical systematics and ecology, 28
Article

Stevens, J. F. ; Wollenweber, Eckhard ; Ivancic, M. ; Hsu, V. L. ; Sundberg, S. ; Deinzer, M. L. (1999)
Leaf surface flavonoids of Chrysothamnus.
In: Phytochemistry, 51
Article

Wollenweber, Eckhard ; Dörr, Marion ; Siems, Karsten ; Faure, Robert ; Bombarda, Isabelle ; Gaydou, Emile M. (1999)
Triterpenoids in lipophilic leaf and stem coatings.
In: Biochemical systematics and ecology, 27 (1)
Article

Wollenweber, Eckhard ; Stevens, ; Ivancic, ; Deinzer, (1998)
Acylphloroglucinols and flavonoid aglycones produced by external glands on the leaves of two Dryopteris ferns and Currania robertiana.
In: Phytochemistry. 48 (1998), S. 931-939
Article

Wollenweber, Eckhard ; Kraut, ; Mues, (1998)
External accumulation of biflavonoids on gymnosperm leaves.
In: Zeitschrift für Naturforschung. 53 c (1998), S. 946-950
Article

Wollenweber, Eckhard ; Stevens, ; Ivancic, (1998)
Flavonoid aglycones and a thiophene derivative from Helichrysum cassianum.
In: Phytochemistry. 47 (1998), S. 1441-1443
Article

Wollenweber, Eckhard (1996)
C-methyl flavones from the leaf wax of Leptospermum laevigatum (Myrtaceae).
In: Zeitschrift für Naturforschung. 51c (1996), S. 8-10
Article

Wollenweber, Eckhard (1996)
External flavonoids of 12 species of North American Eupatorieae (Asteraceae).
In: Zeitschrift für Naturforschung. 51c (1996), S. 893-896
Article

Wollenweber, Eckhard (1996)
Exudate flavonoids in Godmania aesculifolia (Bignoniaceae).
In: Biochemical systematics and ecology. 24 (1996), S. 481-482
Article

Wollenweber, Eckhard (1996)
Exudate flavonoids of Kitaibelia vitifolia (Malvaceae).
In: Biochemical systematics and ecology. 24 (1996), S. 801
Article

Wollenweber, Eckhard ; Dörr, ; Dörr, (1996)
Exudate flavonoids of Mirabilis viscosa (Nyctaginaceae).
In: Biochemical systematics and ecology. 24 (1996), S. 799
Article

Wollenweber, Eckhard (1996)
Flavonoids, phenolics and terpenoids in leaf exudates of Angiosperms and Pteridophytes.
Conference or Workshop Item

Wollenweber, Eckhard ; Henrich, ; Mann, ; Roitman, (1996)
Lipophilic exudate constituents of some Rosaceae from the Southwestern USA.
In: Zeitschrift für Naturforschung. 51c (1996), S. 296-300
Article

Wollenweber, Eckhard ; Valant-Vetschera, ; Valant-Vetschera, (1996)
New results with exudate flavonoids in compositae.
Conference or Workshop Item

Wollenweber, Eckhard ; Roitman, ; Roitman, (1996)
A novel methyl ether of quercetagetin from Chromolaena odorata leaf exudate.
In: Biochemical systematics and ecology. 24 (1996), S. 479-480
Article

Wollenweber, Eckhard (1995)
Chemie und Chemotaxonomie.
In: Farne und Farnverwandte. Hrsg.: K.U. Kramer, J. J. Schneller u. E. Wollenweber. Kap. 7. - Stuttgart, New York: Thieme, 1995
Book Section

Wollenweber, Eckhard ; Dörr, ; Rustaiyan, (1995)
Dorema aucheri - the first umbelliferous plant found to produce exudate flavonoids.
In: Phytochemistry. 38 (1995), S. 1417
Article

Wollenweber, Eckhard ; Dörr, ; Roitman, ; Schilling, (1995)
External flavonoids of three species of Viguiera, section Hypargyrea (Asteraceae).
In: Zeitschrift für Naturforschung. 50c (1995), S. 588-590
Article

Wollenweber, Eckhard (1995)
Externally accumulated flavonoids and other lipophilic phenolics in Angiosperms.
In: Bulletin de liaison / Groupe Polyphénals. 16 (1995), S. 323-324
Article

Wollenweber, Eckhard ; Dörr, ; Muniappan, (1995)
Exudate flavonoids in a tropical weed, Chromolaena odorata L.
In: Biochemical systematics and ecology. 23 (1995), S. 873-874
Article

Wollenweber, Eckhard ; Dörr, (1995)
Exudate flavonoids in some Solanaceae.
In: Biochemical systematics and ecology. 23 (1995), S. 457-458
Article

Wollenweber, Eckhard ; Mann, ; Dörr, ; Fritz, ; Roitman, ; Yatskievych, (1995)
Exudate flavonoids in three Ambrosia species.
In: Natural product letters. 7 (1995), S. 109-116
Article

Stevens, J. F. ; Elema, ; Wollenweber, Eckhard (1995)
Exudate flavonoids of Eupatorium cannabinum.
In: Biochemical systematics and ecology. 23 (1995), S. 451-452
Article

Wollenweber, Eckhard ; Dörr, (1995)
Wax composition of the two cacti Hylocereus purpusii and Stenocereus beneckei.
In: Biochemical systematics and ecology. 23 (1995), S. 577
Article

Gaydou, Emile M. ; Bombarda, Isabelle ; Faure, Robert ; Wollenweber, Eckhard (1995)
A new long-chain epoxide from stem wax of Rubus thibetanus.
In: Phytochemistry, 40 (2)
Article

Vogt, Thomas ; Wollenweber, Eckhard ; Taylor, Loverine P. (1995)
The structural requirements of flavonols that induce pollen germination of conditionally male fertile Petunia.
In: Phytochemistry. 38 (1995), S. 589-592
Article

Stevens, J. F. ; Hart, ; Wollenweber, Eckhard (1995)
The systematic and evolutionary significance of exudate flavonoids in Aeonium.
In: Phytochemistry. 39 (1995), S. 805-813
Article

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