Voträge und Poster

Weihenstephan, 14.09.1998
Andreas Speicher (invited) 
Biohalogenierung in Moosen?

ORCHEM 2000, 14.-16.09.2000, Bad Nauheim 
Andreas Speicher, Jürgen Kolz, Rufino Paulino Sambanje 
Screening und Synthesen für chlorierte Bryophyten-Inhaltsstoffe

Würzburg, 11.12.2000
Andreas Speicher (invited) 
Biohalogenierung in Moosen?

Chemiedozententagung 2001, 18.-21.03.2001, Leipzig
Andreas Speicher
Die ersten Halogenverbindungen aus Bryophyten: Genuität, Synthese und Biohalogenierungsmechanismen

Syntak 2001, Kaiserslautern
Andreas Speicher (invited speaker)
New Aspects on the Chemistry of Bryophytes

Workshop "Enzyme - Tools, Targets, Therapeutics", 12.-13.12.2001, Saarbrücken
Andreas Speicher, Jürgen Kolz (Vortrag + Poster)
Halogenhaltige Substanzen und halogenierende Enzyme in Bryophyten

16. Darmstädter Molecular-Modelling-Workshop, Mai 2002
J. Mühlbacher, F. Bracher, W. Steglich, P. Proksch, A. Speicher und G. Bringmann
Quantenchemische Berechnung von CD-Spektren: Aufklärung der absoluten Konfiguration von Natur- und Wirkstoffen mit ungewöhnlichem CD-Effekt

Abschluss-Symposium "Enzyme - Tools, Targets, Therapeutics"
17.09.2002, Saarbrücken
Andreas Speicher, Jürgen Kolz (Vortrag + 2 Poster) 
Halogenhaltige Substanzen und halogenierende Enzyme in Bryophyten

Kaiserslautern, 2004 
Andreas Speicher (invited) 
Die Isoplagiochine: Struktur, Synthese, Biohalogenierung und biologische Wirkung

ORCHEM 2004, 09.-11.09.2004, Bad Nauheim
Timo Backes, Andreas Speicher
Synthese von Isoplagiochinen an fester Phase und Charakterisierung durch HR-MAS-NMR-Spektroskopie

ORCHEM 2008, 01.-03.09.2008, Weimar
Matthias Groh, Andreas Speicher
Synthesis of isoplagiochins via transition metal catalysed macrocyclisations 
Judith Holz, Eva Becker, Andreas Speicher
Enzymatic resolution and enantiotopos selective synthesis of chiral macrocyclic bisbibenzyls
Petra Schmitz, Andreas Speicher
Synthesis of cyclic axial-chiral biaryls via enantioselective C–C-cross-coupling

Synthesefest 2009, 17.-18.03.2009, München
Matthias Groh, Andreas Speicher
Synthese von cyclischen Bisbibenzylen abgeleitet von Perrottetin E

Synthesefest 2009, 17.-18.03. 2009, München:
D. Hager, M. Knauer, A. Schaumläffel, A. Speicher, G. Bringmann
Enantiomerically Pure Isoplagiochin C through Chirality Transfer: Atroposelective Biaryl Coupling and Deracemization of Synthetic Isoplagiochin C

JCF Frühjahrssymposium 2010, 17.-20.03.2010 in Göttingen
Matthias Groh, Andreas Speicher
Syntheses of Cyclic Bisbibenzyls Derived from Perrottetin E

ORCHEM 2010, 13.-15.09.2010, Weimar
Judith Holz, Andreas Speicher
Synthesis of marchantins C, O and P as novel microtubule inhibitors from liverworts

1st HIPS Symposium on Pharmaceutical Research Devoted to Infection Research, Saarbrücken, 16.06.2011
Matthias Groh, Judith Holz, Andreas Speicher
Cyclic Bisbibenzyls - Biologically Active Natural Products

Irseer Naturstofftage 2012, 22.-24.02.2012, Irsee
Anu Schaumlöffel, Matthias Groh, Andreas Speicher, Gerhard Bringmann
No Boring Flatland Molecules – The Intriguing 3D World of Plagiochins, Riccardins, and Related Bisbibenzyls (Posterpreis)

7. Jahrestagung der Schülerlabore, 18.-20.03.2012, Chemnitz
Sabine Fey, Angela Munnia, Andreas Speicher, Rolf Hempelmann
Herstellung eines Schmerzmittels im Schülerlabor

4th EuCheMS Chemistry Congress, 26.-30.08.2012, Prag; chem. Listy 106, s587–s1423 (2012)
P-0926:  Marcus Malter, Andreas Speicher.
Synthesis of the Erythrina alkaloid erybidine by a photochemical cyclization and its stereochemical analysis
P-0971:  Petra Schmitz, Andreas Speicher, Sabine Choppin, Francoise Colobert. 
Sulfoxide auxiliary controlled Suzuki type C–C-cross coupling for the synthesis of axially chiral biaryl natural products
P-0981:  Lisa Dejon, Andreas Speicher
Synthesis of Tetrahydrochromenoindole via Azacoumestanes   

ORCHEM 2012, 24.-26.09.2012, Weimar
P-143: Daniel Meidlinger, Andreas Speicher
Synthesis of Isoplagiochin C via novel Atroposelective Heck Macrocyclisation
P-147: Lisa Dejon, Andreas Speicher
Synthesis of the Alkaloids Aurachine C and D
P-164: Aude Carboni, Marcus Malter, Andreas Speicher, Saarbrücken/DE, Sabine Choppin, Francoise Colobert, Strasbourg/FR
Sulfoxide Auxiliary Controlled Suzuki Type C–C Cross Coupling for the Synthesis of Axially Chiral Biaryl Natural Products

JOURNEE VICTOR GRIGNARD de la Société Chimique de France SCF, 11.10.2012, Université de Lorraine, Nancy
Sabine Choppin, Francoise Colobert, Strasbourg/FR; Aude Carboni, Marcus Malter, A. Speicher, Saarbrücken/DE
Sulfoxide Auxiliary Controlled Suzuki Type C–C Cross Coupling for the Synthesis of Axially Chiral Biaryl Natural Products

DECHEMA, 8th Status Seminar Chemical Biology 2013, 22.-23.1.2013, Frankfurt
Judith Holz, Andreas Speicher
Promising anti-cancer agents from liverworts: total synthesis of marchantin C and its monomethyl ethers

3rd HIPS Symposium on Pharmaceutical Research Devoted to Infection Research, Saarbrücken, 18.07.2013
Lisa Dejon, Andreas Speicher
Synthesis of Aurachines C and D from the Myxobacterium Stigmatella aurantiaca

NutriOx Network, 4.-6.9.2013, Dijon/Fr
A. Speicher (invited speaker)
Natural products – from innovative structures to bio-characterization and total synthesis

JCO 2016, 07.-09.09.2016, Palaiseau/F
C. Bordeianu, D. Meidlinger, S. Choppin, F. Colobert and A. Speicher
Diastereoselective Access to Axially Chiral Cyclophanes

ORCHEM 2016, 05.-07.09.2016, Weimar
T-178: Lisa Biondo, Andreas Speicher
New Syntheses of Pterocarpenes and Aza-Analogues
T-179: Laura Stief, Andreas Speicher 
Synthesis of Aurachins: 4-Prenylated Quinolines via Suzuki Coupling

JCF Frühjahrssymposium 2017, 29.03.-01.04.2017, Mainz
Laura Stief, Andreas Speicher
Synthesis of Aurachins: 4-prenylated quinolines via Suzuki-coupling

ESOC 2017, 02.-06.07.2017, Köln (Link)
SY 011: Sarah Bauspieß, Andreas Speicher
Sulfoxide Auxiliary Controlled Suzuki Type Macrocyclization for the Atroposelective Synthesis of Isoplagiochin D
SY 010: Lisa Biondo, Andreas Speicher
Synthesis of Axially Chiral Macrocycles via Atroposelective Iodination Followed by Heck Cyclization
SY 012: Laura Stief, Andreas Speicher
4-Prenylated Quinolines via Suzuki-Coupling for the Synthesis of Aurachins

JCF Frühjahrssymposium 2018, 22.03.-24.03.2018, Konstanz 
Laura Stief, Andreas Speicher
4-Prenylated Quinolines via Suzuki-Coupling for the Synthesis of Aurachins 

69th annual meeting of the International Society of Electrochemistry, Bologna (Italie), September 2018 (Link)
S03-069: A. Nikolaev, A. Thesseling, L. Stief, S. Safarian, A. Speicher, H. Nasiri, H. Michel, T. Friedrich, F. Melin, P. Hellwig
Development of a bioelectrochemical sensor based on cytochrome bd oxidase for identification of new antibiotics

ESOC 2019, 14.-18.07.2019, Wien (Link) 
PO-339: Sarah Bauspieß, Sabine Choppin, Andreas Speicher
Sulfoxide Controlled Suzuki C-C Coupling for the Synthesis of Cyclophane Type Axially Chiral Biaryls
PO-445: Lisa Biondo, Sabine Choppin, Andreas Speicher
Synthesis of Axially Chiral Bis(bibenzyls) Derived from Perrottetin E via C-H Activated Heck Type Cyclization

ISE 2020, 71st Annual Meeting of the International Society of Electrochemistry, Belgrade, 31.08. - 04.09.2020 (Link)
Iryna Makarchuk, Alexander Theßeling, Hamid Nasiri, Andreas Speicher, Thorsten Friedrich, Petra Hellwig, Frédéric Melin 
Development of Bioelectrochemical Sensor Based on Cytochrome bd Oxidase 

CSAC 2021, 1st International Electronic Conference on Chemical Sensors and Analytical Chemistry (Link)
The inhibition study of cytochrome bd oxidase using the enzyme-based electrochemical sensor
Iryna Makarchuk, A. Nikolaev, A. Thesseling, L. Dejon, D. Lamberty, L. Stief, A. Speicher, T. Friedrich, P. Hellwig, H.R. Nasiri, F. Melin

EBEC 2022, 21st European Bioenergetics Conference. Aix-en-Provence, 20-25.08.2022 (Poster) 
Design of an electrochemical assay for identification of cytochrome bd oxidases Inhibitors
I. Makarchuk, A. Nikolaev, A. Thesseling, L. Dejon, D. Lamberty, L. Stief, A. Speicher, T. Friedrich, P. Hellwig, H.R. Nasiri, F. Melin

ORCHEM 2024, 09.-11.09.2020, Regensburg
M-74: Kiefer, Y. (Speaker); Speicher, A.
Works on the Atroposelective Synthesis of Chiral Turrianes
T-250: Resch, T. (Speaker); Speicher, A.
New Concept for the Synthesis of meta,meta-Brigded Biaryl Heptanoids
M-67: Sauter, T. (Speaker); Speicher, A.
A new Strategy for the Atroposelective Synthesis of Cavicularin