Skip to contents Schröder, Frank; Francke, Wittko Synthesis of myrimcarin 217, a pyrrolo[2,1,5-cd]indolizine from ants Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Elsevier BV, 1998 Published in: Tetrahedron Redlich, Hartmut; Francke, Wittko Synthese enantiomerenreiner 1,7-Dioxaspiro[5.5]undecane, einer Pheromonkomponente der Olivenfliege(Dacus oleae) Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Wiley, 1984 Published in: Angewandte Chemie Redlich, Hartmut; Francke, Wittko Synthesis of Enantiomerically Pure 1,7‐Dioxaspiro[5.5]undecanes, Pheromone Components of the Olive Fly (Dacus oleae) Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Wiley, 1984 Published in: Angewandte Chemie International Edition in English Francke, Wittko; Reith, Wolfgang 2,9-dioxabicyclo[4.2.1]Nonan - darstellung, massenspektroskopie und umlagerung eines neuen heterocyclischen systems Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Elsevier BV, 1981 Published in: Tetrahedron Letters Francke, Wittko; Mackenroth, Wolfgang Alkylsubstituierte 3, 4-Dihydro-2H-pyrane: Massenspektrometrie, Synthese und Identifizierung als Insekteninhaltsstoffe Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Wiley, 1982 Published in: Angewandte Chemie International Edition in English Francke, Wittko; Mackenroth, Wolfgang Alkylsubstituierte 3,4‐Dihydro‐2H‐pyrane: Massenspektrometrie, Synthese und Identifizierung als Insekteninhaltsstoffe Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Wiley, 1982 Published in: Angewandte Chemie Francke, Wittko; Mackenroth, Wolfgang Alkyl‐Substituted 3,4‐Dihydro‐2H‐pyrans: Mass Spectroscopy, Synthesis, and Identification as Insect Constituents Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Wiley, 1982 Published in: Angewandte Chemie International Edition in English Francke, Wittko; Reith, Wolfgang Alkyl‐1,6‐dioxaspiro[4.4]nonane; eine neue Klasse von Pheromonen Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Wiley, 1979 Published in: Liebigs Annalen der Chemie Redlich, Hartmut; Francke, Wittko Optically Active Chalcogran (2‐Ethyl‐1,6‐dioxaspiro[4.4]nonane) Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Wiley, 1980 Published in: Angewandte Chemie International Edition in English Redlich, Hartmut; Francke, Wittko Optisch aktives Chalcogran (2-Ethyl-1,6-dioxaspiro[4.4]nonan) Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Wiley, 1980 Published in: Angewandte Chemie Vité, Jean Pierre; Francke, Wittko Waldschutz gegen Borkenkäfer: Vom Fangbaum zur Falle Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Wiley, 1985 Published in: Chemie in unserer Zeit Martel, Carlos; Francke, Wittko; Ayasse, Manfred The chemical and visual bases of the pollination of the Neotropical sexually deceptive orchid Telipogon peruvianus Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Wiley, 2019 Published in: New Phytologist Martel, Carlos; Francke, Wittko; Ayasse, Manfred The chemical and visual bases of the pollination of the Neotropical sexually deceptive orchid Telipogon peruvianus Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Wiley, 2019 Published in: The New Phytologist Byers, John A.; Birgersson, Göran; Francke, Wittko Aggregation pheromones of bark beetles, Pityogenes quadridens and P. bidentatus, colonizing Scotch pine: olfactory avoidance of interspecific mating and competition Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Springer Science and Business Media LLC, 2013 Published in: Chemoecology Ayasse, Manfred; Stökl, Johannes; Francke, Wittko Chemical ecology and pollinator-driven speciation in sexually deceptive orchids Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Elsevier BV, 2011 Published in: Phytochemistry Francke, Wittko; Kubeczka, Karl-Heinz; Asakawa, Yoshinori Wilfried A. König Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Elsevier BV, 2005 Published in: Phytochemistry Aumeier, Pia; Rosenkranz, Peter; Francke, Wittko Cuticular volatiles, attractivity of worker larvae and invasion of brood cells by Varroa mites. A comparison of Africanized and European honey bees Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Springer Science and Business Media LLC, 2002 Published in: CHEMOECOLOGY Ayasse, Manfred; Engels, Wolf; Francke, Wittko Mating Expenditures Reduced via Female Sex Pheromone Modulation in the Primitively Eusocial Halictine Bee, Lasioglossum (Evylaeus) malachurum (Hymenoptera: Halictidae) Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Springer-Verlag, 1999 Published in: Behavioral Ecology and Sociobiology Hefetz, Abraham; Taghizadehr, Timo; Francke, Wittko The Exocrinology of the Queen Bumble Bee Bombus terrestris (Hymenoptera: Apidae, Bombini) Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Walter de Gruyter GmbH, 1996 Published in: Zeitschrift für Naturforschung C Papke, Ulrich; Gross, Elisabeth M.; Francke, Wittko Isolation, identification and determination of the absolute configuration of Fischerellin B. A new algicide from the freshwater cyanobacterium Fischerella muscicola (Thuret) Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Elsevier BV, 1997 Published in: Tetrahedron Letters
Schröder, Frank; Francke, Wittko Synthesis of myrimcarin 217, a pyrrolo[2,1,5-cd]indolizine from ants Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Elsevier BV, 1998 Published in: Tetrahedron
Redlich, Hartmut; Francke, Wittko Synthese enantiomerenreiner 1,7-Dioxaspiro[5.5]undecane, einer Pheromonkomponente der Olivenfliege(Dacus oleae) Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Wiley, 1984 Published in: Angewandte Chemie
Redlich, Hartmut; Francke, Wittko Synthesis of Enantiomerically Pure 1,7‐Dioxaspiro[5.5]undecanes, Pheromone Components of the Olive Fly (Dacus oleae) Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Wiley, 1984 Published in: Angewandte Chemie International Edition in English
Francke, Wittko; Reith, Wolfgang 2,9-dioxabicyclo[4.2.1]Nonan - darstellung, massenspektroskopie und umlagerung eines neuen heterocyclischen systems Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Elsevier BV, 1981 Published in: Tetrahedron Letters
Francke, Wittko; Mackenroth, Wolfgang Alkylsubstituierte 3, 4-Dihydro-2H-pyrane: Massenspektrometrie, Synthese und Identifizierung als Insekteninhaltsstoffe Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Wiley, 1982 Published in: Angewandte Chemie International Edition in English
Francke, Wittko; Mackenroth, Wolfgang Alkylsubstituierte 3,4‐Dihydro‐2H‐pyrane: Massenspektrometrie, Synthese und Identifizierung als Insekteninhaltsstoffe Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Wiley, 1982 Published in: Angewandte Chemie
Francke, Wittko; Mackenroth, Wolfgang Alkyl‐Substituted 3,4‐Dihydro‐2H‐pyrans: Mass Spectroscopy, Synthesis, and Identification as Insect Constituents Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Wiley, 1982 Published in: Angewandte Chemie International Edition in English
Francke, Wittko; Reith, Wolfgang Alkyl‐1,6‐dioxaspiro[4.4]nonane; eine neue Klasse von Pheromonen Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Wiley, 1979 Published in: Liebigs Annalen der Chemie
Redlich, Hartmut; Francke, Wittko Optically Active Chalcogran (2‐Ethyl‐1,6‐dioxaspiro[4.4]nonane) Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Wiley, 1980 Published in: Angewandte Chemie International Edition in English
Redlich, Hartmut; Francke, Wittko Optisch aktives Chalcogran (2-Ethyl-1,6-dioxaspiro[4.4]nonan) Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Wiley, 1980 Published in: Angewandte Chemie
Vité, Jean Pierre; Francke, Wittko Waldschutz gegen Borkenkäfer: Vom Fangbaum zur Falle Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Wiley, 1985 Published in: Chemie in unserer Zeit
Martel, Carlos; Francke, Wittko; Ayasse, Manfred The chemical and visual bases of the pollination of the Neotropical sexually deceptive orchid Telipogon peruvianus Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Wiley, 2019 Published in: New Phytologist
Martel, Carlos; Francke, Wittko; Ayasse, Manfred The chemical and visual bases of the pollination of the Neotropical sexually deceptive orchid Telipogon peruvianus Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Wiley, 2019 Published in: The New Phytologist
Byers, John A.; Birgersson, Göran; Francke, Wittko Aggregation pheromones of bark beetles, Pityogenes quadridens and P. bidentatus, colonizing Scotch pine: olfactory avoidance of interspecific mating and competition Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Springer Science and Business Media LLC, 2013 Published in: Chemoecology
Ayasse, Manfred; Stökl, Johannes; Francke, Wittko Chemical ecology and pollinator-driven speciation in sexually deceptive orchids Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Elsevier BV, 2011 Published in: Phytochemistry
Francke, Wittko; Kubeczka, Karl-Heinz; Asakawa, Yoshinori Wilfried A. König Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Elsevier BV, 2005 Published in: Phytochemistry
Aumeier, Pia; Rosenkranz, Peter; Francke, Wittko Cuticular volatiles, attractivity of worker larvae and invasion of brood cells by Varroa mites. A comparison of Africanized and European honey bees Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Springer Science and Business Media LLC, 2002 Published in: CHEMOECOLOGY
Ayasse, Manfred; Engels, Wolf; Francke, Wittko Mating Expenditures Reduced via Female Sex Pheromone Modulation in the Primitively Eusocial Halictine Bee, Lasioglossum (Evylaeus) malachurum (Hymenoptera: Halictidae) Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Springer-Verlag, 1999 Published in: Behavioral Ecology and Sociobiology
Hefetz, Abraham; Taghizadehr, Timo; Francke, Wittko The Exocrinology of the Queen Bumble Bee Bombus terrestris (Hymenoptera: Apidae, Bombini) Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Walter de Gruyter GmbH, 1996 Published in: Zeitschrift für Naturforschung C
Papke, Ulrich; Gross, Elisabeth M.; Francke, Wittko Isolation, identification and determination of the absolute configuration of Fischerellin B. A new algicide from the freshwater cyanobacterium Fischerella muscicola (Thuret) Articles View online Schließen > Access Close > Bookmarks You can manage bookmarks using lists, please log in to your user account for this. Elsevier BV, 1997 Published in: Tetrahedron Letters
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