Publikationen: Dr. rer. nat. Jürgen Conrad
Titel | Jahr | Publikationsart | Autoren |
---|---|---|---|
A structural and functional elucidation of the rumen microbiome influenced by various diets and microenvironments
Frontiers in Microbiology |
2017 | Zeitschriftenbeitrag (peer-reviewed) | Deusch, S.; Camarinha-Silva, A.; Conrad, J.; Beifuss, U.; Rodehutscord, M.; Seifert, J. |
Characterization of anthocyanins in novel Chilean maqui berry clones by HPLC–DAD–ESI/MSn and NMR-spectroscopy
Journal of Food Composition and Analysis |
2017 | Zeitschriftenbeitrag (peer-reviewed) | BRAUCH, J.E., REUTER, L., CONRAD, J., VOGEL, H., SCHWEIGGERT, R.M., CARLE, R. |
Laccase-catalyzed green synthesis and cytotoxic activity of novel pyrimidobenzothiazoles and catechol thioethers
RSC Adv. |
2017 | Zeitschriftenbeitrag (peer-reviewed) | Abdel-Mohsen, H.T.; Conrad, J.; Harms, K.; Nohr, D.; Beifuss, U. |
Large‑scale purification of epilactose using a semi‑preparative HPLC system
European Food Research and Technology |
2017 | Zeitschriftenbeitrag (peer-reviewed) | Kuschel, B.; Riemer, F.; Pfost, D.; Conrad, J.; Losch, C.; Claaßen, W.; Beifuß, U.; Weiss, J.; Mu, W.; Jiang, B.; Stressler, T.; Fischer, L. |
Large-scale purification of epilactose using a semi-preparative HPLC-system
Eur. Food Res. Technol. |
2017 | Zeitschriftenbeitrag (peer-reviewed) | Kuschel, B.; Riemer, F.; Pfost, D.; Conrad, J.; Losch, C.; Claaßen, W.; Beifuß, U.; Weiss, J.; Mu, W.; Jiang, B.; Stressler, T.; Fischer, L. |
Neuartige phenolische Verbindungen aus der inneren Rinde von Quillaja saponaria Molina und daraus hergestellten kommerziellen Extrakten (E 999)
Lebensmittelchemie |
2017 | Kongressbeitrag | SCHWEIGGERT, R.M., MAIER, C., CONRAD, J., CARLE, R. |
Carotenoids, carotenoid esters, and anthocyanins of yellow-, orange-, and red-peeled cashew apples (Anacardium occidentale L.)
Food Chemistry |
2016 | Zeitschriftenbeitrag (peer-reviewed) | SCHWEIGGERT, R.M., VARGAS, E., CONRAD, J., HEMPEL, J., GRAS, C.C., ZIEGLER, J.U., MAYER, A., JIMÉNEZ, V.J., ESQUIVEL, P., CARLE, R. |
Formation of substituted 1-naphthols and related products via dimerization of alkyl 3-(o-halo(het)aryl)-oxopropanoates based on a CuI-catalyzed domino C-arylation/condensation/aromatization process
Tetrahedron |
2016 | Zeitschriftenbeitrag (peer-reviewed) | Weischedel, H.; Sudheendran, K.; Mikhael, A.; Conrad, J.; Frey, W.; Beifuss, U. |
Structural studies of the arabinogalactans in Mangifera indica L. fruit exudate
Food Hydrocolloids |
2016 | Zeitschriftenbeitrag (peer-reviewed) | NAGEL, A., CONRAD, J., LEITENBERGER, M., CARLE, R., NEIDHART, S. |
The First Domino Reduction/Imine Formation/Intramolecular Aza-Diels–Alder Reaction for the Diastereoselective Preparation of Tetrahydrochromano[4,3-b]quinolines
Eur. J. Org. Chem. |
2016 | Zeitschriftenbeitrag (peer-reviewed) | Imrich, H.-G. ; Conrad, J.; Beifuss, U. |
Base-Promoted Domino Reaction of 5-Substituted 2-Nitrosophenols with Bromomethyl Aryl Ketones: A Transition-Metal-Free Approach to 2-Aroylbenzoxazoles
J. Org. Chem. |
2015 | Zeitschriftenbeitrag (peer-reviewed) | Aljaar, N.; Malakar, C. C.; Conrad, J.; Beifuss U. |
Copper-Catalyzed Double Intramolecular Ullmann Coupling for the Synthesis of Diastereomerically and Enantiomerically Pure 4b,9b-Dihydrobenzofuro[3,2-b]benzofurans
Eur. J. Org. Chem. |
2015 | Zeitschriftenbeitrag (peer-reviewed) | Imrich, H.-G.; Conrad, J.; Beifuss, U. |
Flavonoids as chemotaxonomic markers in the genus Drosera
Phytochem. |
2015 | Zeitschriftenbeitrag (peer-reviewed) | Braunberger, C.; Zehl, M.; Conrad, J.; Wawrosch, C.; Strohbach, J.; Beifuss, U.; Krenn, L. |
Fractionation of technical octabromodiphenyl ether by countercurrent chromatography combined with gas chromatography/mass spectrometry and offline and online 1H nuclear magnetic resonance spectroscopy
Journal of Chromatography A |
2015 | Zeitschriftenbeitrag (peer-reviewed) | Hammann, S.; Conrad, J.; Vetter W. |
From Nitrobenzenes to Substituted 1,2,3,4-Tetrahydroquinolines in a Single Step by a Domino Reduction/Imine Formation/Aza-Diels – Alder Reaction
J. Org. Chem. |
2015 | Zeitschriftenbeitrag (peer-reviewed) | Imrich, H.-G.; Conrad, J.; Bubrin, D; Beifuss, U. |
Phenolic constituents in commercial aqueous Quillaja (Quillaja saponaria Molina) wood extracts
Journal of Agricultural and Food Chemistry |
2015 | Zeitschriftenbeitrag (peer-reviewed) | MAIER, C., CONRAD, J., CARLE, R., WEISS, J., SCHWEIGGERT, R.M. |
Quillajasides A and B: Novel phenylpropanoid sucrose esters from the inner bark of Quillaja saponaria Molina
Journal of Agricultural and Food Chemistry |
2015 | Zeitschriftenbeitrag (peer-reviewed) | MAIER, C., CONRAD, J., STEINGASS, C., BEIFUSS, U., CARLE, R., SCHWEIGGERT, R. |
Sesquiterpene Lactone Composition of Wild and Cultivated Sunflowers and Biological Activity against an Insect Pest
Journal of Agricultural and Food Chemistry |
2015 | Zeitschriftenbeitrag (peer-reviewed) | Prasifka, J. R.; Spring, O.; Conrad, J.; Cook, L. W.; Palmquist, D. E.; Foley, M. E. |
Synthesis of fucosylated lacto-N-tetraose using whole-cell biotransformation
Bioorg. Med. Chem. |
2015 | Zeitschriftenbeitrag (peer-reviewed) | Baumgärtner, F.; Jurzitza, L.; Conrad, J.; Beifuss, U.; Sprenger, G. A.; Albermann C. |
The nonvolatile metabolome of sunflower linear glandular trichomes
Phytochem. |
2015 | Zeitschriftenbeitrag (peer-reviewed) | Spring, O.; Pfannstiel, J.;Klaiber, I.; Conrad, J.; Beifuss, U.; Apel, L.; Aschenbrenner, A.-K.; Zipper, R. |
Assembly of 4H-chromenes, imidazobenzothiazines and quinazolines via copper-catalyzed domino reactions using 2-halobenzyl tosylates as substrates
Tetrahedron |
2014 | Zeitschriftenbeitrag (peer-reviewed) | Omar, M. A.; Conrad, J.; Beifuss, U. |
Copper-catalyzed domino reaction between 1-(2-halophenyl)methanamines and amidines or imidates for the synthesis of 2-substituted quinazolines
Tetrahedron |
2014 | Zeitschriftenbeitrag (peer-reviewed) | Omar, M. A.; Conrad, J.; Beifuss, U. |
Facile synthesis of 3,5-diaryl-1,2,4-triazoles via copper-catalyzed domino nucleophilic substitution/oxidative cyclization using amidines or imidates as substrates
Tetrahedron |
2014 | Zeitschriftenbeitrag (peer-reviewed) | Sudheendran, K; Schmidt, D.; Frey, W.; Conrad, J.; Beifuss, U. |
Laccase-catalyzed synthesis of catechol thioethers by reaction of catechols with thiols using air as an oxidant
Green Chem. |
2014 | Zeitschriftenbeitrag (peer-reviewed) | Abdel-Mohsen, H. T.; Conrad, J.; Beifuss, U. |
Transition-Metal-Free Synthesis of Imidazo[2,1-b]thiazoles and Thiazolo[3,2-a]benzimidazoles via an S-Propargylation/5-exo-dig Cyclization/Isomerization Sequence Using Propargyl Tosylates as Substrates
J. Org. Chem |
2014 | Zeitschriftenbeitrag (peer-reviewed) | Omar, M. A.; Frey, W.; Conrad, J.; Beifuss, U. |
Combination of Enzyme- and Lewis Acid-Catalyzed Reactions: A New Method for the Synthesis of 6,7-Dihydrobenzofuran-4(5H)-ones Starting from 2,5-Dimethylfuran and 1,3-Cyclohexanediones
Org. Biomol. Chem. |
2013 | Zeitschriftenbeitrag (peer-reviewed) | Asta, C.; Schmidt, D.; Conrad, J.; Frey, W.; Beifuss, U. |
Crematoenones – a novel substance class exhibited by ants functions as appeasement signal
Frontiers in Zoology |
2013 | Zeitschriftenbeitrag (peer-reviewed) | Menzel, F.; Blüthgen, N.; Tolasch, T.; Conrad, J.; Beifuss, U.; Beuerle, T.; Schmitt, T. |
Influence of Guanidinium Salts and Other Ionic Liquids on the Three-Component Aza-Diels Alder Reaction
Helv. Chim. Acta |
2013 | Zeitschriftenbeitrag (peer-reviewed) | Mert-Balci, F.; Imrich, H.-G.; Conrad, J.; Beifuss, U. |
Laccase-Catalyzed Domino Reaction between Catechols and 6-Substituted 1,2,3,4-Tetrahydro-4-oxo-2-thioxo-5-pyrimidinecarbonitriles for the Synthesis of Pyrimidobenzothiazole Derivatives
J. Org. Chem. |
2013 | Zeitschriftenbeitrag (peer-reviewed) | Abdel-Mohsen, H. T.; Conrad, J.; Beifuss, U. |
Laccase-catalyzed reaction of 3-tert-butyl-1H-pyrazol-5(4H)one with substituted catechols using air as an oxidant
Tetrahedron |
2013 | Zeitschriftenbeitrag (peer-reviewed) | Emirdağ-Öztürk, S.; Hajdok, S.; Conrad, J.; Beifuss, U. |
LC-NMR, NMR, and LC-MS identification and LC-DAD quantification of flavonoids and ellagic acid derivatives in Drosera peltata
J. Chromatogr. B |
2013 | Zeitschriftenbeitrag (peer-reviewed) | Braunberger, C.; Zehl, M.; Conrad, J.; Fischer, S.; Adhami, H-R.; Beifuss, U.; Krenn, L. |
Microwave-Assisted Molybdenum-Catalyzed Reductive Cyclization of o-Nitrobenzylidene Amines to 2-Aryl-2H-indazoles
Synlett |
2013 | Zeitschriftenbeitrag (peer-reviewed) | Moustafa, A. H; Malakar, C. C.; Aljaar, N.; Merisor, E.; Conrad, J.; Beifuss, U. |
Reaction of 1-Nitroso-2-napthols with α-Functionalized Ketones and Related Compounds: The Unexpected Formation of Decarbonylated 2- Substituted Napththo[1,2-d][1,3]oxazoles
J. Org. Chem. |
2013 | Zeitschriftenbeitrag (peer-reviewed) | Aljaar, N.; Malakar, C. C.; Conrad, J.; Frey, W.; Beifuss, U. |
Synthesis of 2-Aryl-1,2-dihydrophthalazines via Reaction of 2-(Bromomethyl)benzaldehydes with Arylhydrazines
J. Org. Chem. |
2013 | Zeitschriftenbeitrag (peer-reviewed) | Aljaar, N.; Conrad, J.; Beifuss, U. |
Synthesis of disulfides by laccase-catalyzed oxidative coupling of heterocyclic thiols
Green Chem. |
2013 | Zeitschriftenbeitrag (peer-reviewed) | Abdel-Mohsen, H. T.; Sudheendran, K.; Conrad, J.; Beifuss, U. |
Synthesis of Functionalized Naphthalenes by Copper(I)-Catalyzed Annulation between 3-(2-Halobenzyl)pentane-2,4-diones and β-Ketoesters, Malonates and Cyanoacetates
Adv. Synth. Catal. |
2013 | Zeitschriftenbeitrag (peer-reviewed) | Sudheendran, K; Malakar, C. C.; Conrad, J.; Beifuss, U. |
The first enzymatic Achmatowicz reaction: selective laccase-catalyzed synthesis of 6-hydroxy-(2H)-pyran-3(6H)-ones and (2H)-pyran-2,5(6H)-diones
RSC Adv. |
2013 | Zeitschriftenbeitrag (peer-reviewed) | Asta, C.; Schmidt, D.; Conrad, J.; Förster-Fromme, B.; Tolasch, T.; Beifuss, U. |
An unprecedented oxidative trimerization of sesamol catalyzed by laccases
Tetrahedron Lett. |
2012 | Zeitschriftenbeitrag (peer-reviewed) | Constantin, M.-A.; Conrad, J.; Beifuss, U. |
Copper(I)-Catalyzed Intramolecular O-Arylation for the Synthesis of 2,3,4,9-Tetrahydro-1H-xanthen-1-ones with Low Loads of CuCl
J. Org. Chem. |
2012 | Zeitschriftenbeitrag (peer-reviewed) | Sudheendran, K.; Malakar, C. C.; Conrad, J.; Beifuss, U. |
Copper-Catalyzed Synthesis of Quinazolines in Water Starting from o-Bromobenzylbromides and Benzamidines
Chem. Eur. J. |
2012 | Zeitschriftenbeitrag (peer-reviewed) | Malakar, C. C.; Baskakova, A.; Conrad, J.; Beifuss, U. |
Cu-Catalyzed Reaction of 1,2-Dihalobenzenes with 1,3-Cyclohexanediones for the Synthesis of 3,4-Dihydrodibenzo[b,d]furan-1(2H)-ones
J. Org. Chem. |
2012 | Zeitschriftenbeitrag (peer-reviewed) | Aljaar, N.; Malakar, C. C.; Conrad, J.; Strobel, S.; Schleid, T.; Beifuss, U. |
Effect of ethylene and 1-methylcyclopropene on bitter compounds in carrots (Daucus carota L.).
Postharvest Biology and Technology |
2012 | Zeitschriftenbeitrag (peer-reviewed) | KRAMER, M., BUFLER, G., ULRICH, D., LEITENBERGER, M., CONRAD, J., CARLE, R., KAMMERER, D.R. |
Laccase-Catalyzed Domino Reactions between Hydroquinones and Cyclic 1,3-Dicarbonyls for the Regioselective Synthesis of Substituted p-Benzoquinones
J. Org. Chem. |
2012 | Zeitschriftenbeitrag (peer-reviewed) | Hajdok, S.; Conrad, J.; Beifuss, U. |
Laccase-catalyzed oxidation of Hantzsch 1,4-dihydropyridines and a new one pot synthesis of pyridines
Green Chem. |
2012 | Zeitschriftenbeitrag (peer-reviewed) | Abdel-Mohsen, H. T.; Conrad, J.; Beifuss, U. |
Laccase-catalyzed oxidative phenolic coupling of vanillidene derivatives
Green Chem. |
2012 | Zeitschriftenbeitrag (peer-reviewed) | Constantin, M.-A.; Conrad, J.; Beifuss, U. |
Microwave-assisted three-component reaction in conventional solvents and ionic liquids for the synthesis of amino-substituted imidazo[1,2-a]pyridines
ARKIVOC |
2012 | Zeitschriftenbeitrag (peer-reviewed) | Mert-Balci, F.; Conrad, J.; Beifuss, U. |
Oxidative Dimerization of (E)- and (Z)-2-Propenylsesamol with O2 in the Presence and Absence of Laccases and other Catalysts: Selective Formation of Carpanones and Benzopyrans under Different Reaction Conditions.
J. Org. Chem. |
2012 | Zeitschriftenbeitrag (peer-reviewed) | Constantin, M.-A.; Conrad, J.; Merişor, E.; Koschorreck, K.; Urlacher, V.B.; Beifuss, U. |
Towards the in vivo production of tocotrienol compounds: Engineering of a plasmid-free Escherichia coli strain for the heterologous synthesis of 2-methyl-6-geranylgeranyl benzoquinol
J. Biotechnol. |
2012 | Zeitschriftenbeitrag (peer-reviewed) | Ghanegaonkar, S.; Conrad, J.; Beifuss, U.; Sprenger, G. A.; Albermann, C. |
A new laccase-catalyzed domino process and its application to the efficient synthesis of 2-aryl-1H-benzimidazoles
Tetrahedron Lett. |
2011 | Zeitschriftenbeitrag (peer-reviewed) | Leutbecher, H.; Constantin, M.; Mika, S.; Conrad, J.; Beifuss, U. |
Cu(I)-Catalyzed Domino Reactions: Efficient and Selective Synthesis of 4H-Chromenes and Naphthalenes
Org. Lett. |
2011 | Zeitschriftenbeitrag (peer-reviewed) | Malakar, C. C.; Schmidt, D.; Conrad, J.; Beifuss, U. |
Double C-H Activation: The Palladium-Catalyzed Direct C-Arylation of Xanthines with Arenes
Org. Lett. |
2011 | Zeitschriftenbeitrag (peer-reviewed) | Malakar, C. C.; Schmidt, D.; Conrad, J.; Beifuss, U. |
Effects of tillage and crop rotation on chemical phosphorus forms and some related biological activities in a Chilean Ultisol
Soil Use and Management |
2011 | Zeitschriftenbeitrag | Redel Y.D, Escudey M., Alvear M., Conrad J, Borie F. |
Generation and analysis of mixed chlorinated/brominated homologs of the halogenated natural product heptachloro-1'-methyl-1,2'-bipyrrole
Chemosphere |
2011 | Zeitschriftenbeitrag | Dambacher, W. B.; Rosenfelder, N.; Conrad, J.; Vetter, W. |
Identification and quantification of flavonoids and ellagic acid derivatives in therapeutically important Drosera species by LC-DAD, LC-NMR, NMR, and LC-MS.
Anal. Bioanal. Chem. |
2011 | Zeitschriftenbeitrag (peer-reviewed) | Zehl, M.; Braunberger, C.; Conrad, J.; Crnogorac, M.; Krasteva, St.; Vogler, B.; Beifuss,U.; Krenn, L. |
Identifizierung von Polyacetylenen in Wurzelpetersilie und Alpenmutterwurz
Lebensmittelchemie |
2011 | Kongressbeitrag | KRAMER, M., CONRAD, J., LEITENBERGER, M., CARLE, R., KAMMERER, D.R. |
Laccase-catalyzed phenol oxidation. Rapid assignment of ring-proton deficient polycyclic benzofuran regioisomers by experimental 1H–13C long-range coupling constants and DFT-predicted product formation
Org. Biomol. Chem. |
2011 | Zeitschriftenbeitrag (peer-reviewed) | Leutbecher, H.; Greiner, G.;Amann, R.; Stolz, A.; Beifuss, U.; Conrad, J. |
Laccase-catalyzed stereoselective oxidative ring opening of 2,5-dialkylfurans into 2-ene-1,4-diones using air as an oxidant.
Green Chem. |
2011 | Zeitschriftenbeitrag (peer-reviewed) | Asta, C.; Conrad, J.; Mika, S.; Beifuss, U. |
Quantification of polyacetylenes in apiaceous plants by high performance liquid chromatography coupled with diode array detection
Zeitschrift für Naturforschung |
2011 | Zeitschriftenbeitrag (peer-reviewed) | KRAMER, M., MÜHLEIS, A., CONRAD, J., LEITENBERGER, M., BEIFUSS, U., CARLE, R., KAMMERER, D.R. |
Quantification of polyacetylenes in apiaceous plants by high-performance liquid chromatography coupled with diode array detection
Z. Naturforsch. |
2011 | Zeitschriftenbeitrag (peer-reviewed) | Kramer, M.; Muehleis, A.; Conrad, J.; Leitenberger, M.; Beifuss, U.; Carle, R.; Kammerer, D.R. |
An enantiocomplementary dirigent protein for the enantioselective, laccase-catalyzed oxidative coupling of phenols
Angewandte Chemie Internationale Edition |
2010 | Zeitschriftenbeitrag (peer-reviewed) | Pickel, B.; Constantin, M.-A.; Pfannstiel, J.; Conrad, J.; Beifuss, U., Schaller, A. |
Das erste enantiokomplementäre dirigierende Protein für die enantioselektive Laccase-katalysierte oxidative Phenolkupplung
Angewandte Chemie |
2010 | Zeitschriftenbeitrag (peer-reviewed) | Pickel, B.; Constantin, M.-A.; Pfannstiel, J.; Conrad, J.; Beifuss, U., Schaller, A. |
Impact of cultivation conditions and postharvest treatments on the polyacetylene content of carrots and parsnips
Book of Abstracts |
2010 | Kongressbeitrag | KRAMER, M., CARLE, R., BUFLER, G., CONRAD, J., NOTHNAGEL, T., KAMMERER, D.R. |
MoO2Cl2(dmf)2-catalyzed domino reactions of ω-nitro alkenes to 3,4-dihydro-2H-1,4-benzothiazines and other heterocycles
Synlett |
2010 | Zeitschriftenbeitrag (peer-reviewed) | Malakar, C. C.; Merisor, E.; Conrad, J.; Beifuss, U. |
Combined action of enzymes: the first domino reaction catalyzed by Agaricus bisporus
Green Chem. |
2009 | Zeitschriftenbeitrag (peer-reviewed) | Leutbecher, H.; Hajdok, S.; Braunberger, C.; Neumann, M.; Mika, S.; Conrad, J.; Beifuss, U. |
Enzymatische Bildung strukturisomerer Lactulose | 2009 | Poster | Schuster-Wolff-Bühring, R.; Conrad, J.; Lutz-Wahl, S.; Fischer, L.; Hinrichs, J. |
Flavonoid glucuronides and a chromone from the aquatic macrophyte stratiotes aloides
Journal Natural Product |
2009 | Zeitschriftenbeitrag (peer-reviewed) | Conrad, J.; Foerster-Fromme, B.; Constantin, M.-A.; Ondrus, V.; Mika, S.; Mert-Balci, F.; Klaiber, I.; Pfannstiel, J.; Moeller, W.; Rosner, H.; Foerster-Fromme, K.; Beifuss, U. |
Practical and reliable synthesis of dialkyl N-arylphosphoramidates with nitroarenes as substrates
Tetrahedron Lett. |
2009 | Zeitschriftenbeitrag (peer-reviewed) | Haggam, R.; Conrad, J.; Beifuss, U. |
Synthesis of phenyl-substituted 2H,5H-pyrano[4,3-b]pyran-5-ones and related heterocycles via a domino knoevenagel condensation/6π-electron electrocyclization of 4-hydroxy-6-phenyl-2H-pyran-2-one with cyclic and acylic α,β-unsaturated aldehy
Z. Naturforsch. |
2009 | Zeitschriftenbeitrag (peer-reviewed) | Leutbecher, H.; Rieg, S.; Conrad, J.; Mika, S.; Klaiber, I.; Beifuss, U. |
The Laccase-Catalyzed Domino Reaction between Catechols and Heterocyclic 1,3-Dicarbonyls and the Unambiguous Structure Elucidation of the Products by NMR Spectroscopy and X-ray Crystal Structure Analysis
J. Org. Chem. |
2009 | Zeitschriftenbeitrag (peer-reviewed) | Hajdok, S.; Conrad, J.; Leutbecher, H.; Strobel, S.; Schleid, T.; Beifuss, U. |
Microwave-assisted three-component reaction for the synthesis of pyrido[2',1':2,3]imidazo[4,5-c]isoquinolin-5(6H)-ones
Synthesis |
2008 | Zeitschriftenbeitrag (peer-reviewed) | Mert-Balci, F.; Conrad, J.; Meindl, K.; Schulz, T.; Stalke, D.; Beifuss, U. |
Synthesis of new methano[1,5]dioxocines via a domino reaction of 4-hydroxy-2H-pyran-2-ones/4-hydroxy-2H-chromen-2-ones with acyclic 1,3-diketones
Z. Naturforsch. |
2008 | Zeitschriftenbeitrag (peer-reviewed) | Leutbecher, H.; Conrad, J.; Beifuss, U. |
Unexpected Lewis acid mediated reactions of 1-arylbut-3-en-1-ols with trimethyl orthoformate - A new synthesis of homoallyl ethers and chlorides
Synlett |
2008 | Zeitschriftenbeitrag (peer-reviewed) | Merisor, E.; Conrad, J.; Malakar, C.C.; Beifuss, U. |
Cyclic Heptapeptides from the latex of Jatropha integerrima
Planta Medica |
2007 | Kongressbeitrag | Conrad, J.; Mongkolvisut, W.; Sutthivaiyakit, S.; Leutbecher, H.; Mika, S.; Klaiber, I.; Möller, W.; Rösner, H.; Beifuss, U. |
Efficient lewis acid mediated epoxyolefin cyclizations with pyrones as terminators in liquid SO2 as a solvent
Synlett |
2007 | Zeitschriftenbeitrag (peer-reviewed) | Schmidt, D.; Leutbecher, H.; Conrad, J.; Klaiber, I.; Mika, S.; Greiner, G.; Beifuss, U. |
Efficient synthesis of natural products with a 3,6-disubstituted 4-hydroxy-2H-pyran-2-one framework
Planta Medica |
2007 | Kongressbeitrag | Schmidt, D.; Conrad, J.; Mika, S.; Klaiber, I.; Beifuss, U. |
In vitro anti-proliferation/cytotoxic activity of epingaione and its derivatives on the human SH-SY5Y neuroblastoma and TE-671 sarcoma cells
The West Indian medical journal |
2007 | Zeitschriftenbeitrag | Williams L A D; Conrad J; Vogler B; Rosner H; Porter R B R; Setzer W; Barton E N; Levy H G; Mika S; Klaiber I; Nkurunziza J P; Kraus W |
Isolation and Structural Elucidation of Different Geometrical Isomers of Lycopene
Int. J. Vitam. Nutr. Res. |
2007 | Zeitschriftenbeitrag | Fröhlich,K.; Conrad, J.; Schmid,A.; Breithaupt, D.E.; Böhm, V. |
Laccase initiated oxidative domino reactions for the efficient synthesis of 3,4-dihydro-7,8-dihydroxy-2H-dibenzofuran-1-ones
Tetrahedron Lett. |
2007 | Zeitschriftenbeitrag (peer-reviewed) | Hajdok, S.; Leutbecher, H.; Greiner, G.; Conrad, J.; Beifuss, U. |
Microwave-Assisted Reductive Cyclization of N-Allyl 2-Nitroanilines: A New Approach to Substituted 1,2,3,4-Tetrahydroquinoxalines
Synlett |
2007 | Zeitschriftenbeitrag (peer-reviewed) | Merisor, E.; Conrad, J.; Mika, S.; Beifuss, U. |
Preparation of the geranyl-α -pyrone ( )-aurantiacone via a new pyrone synthesis
Synlett |
2007 | Zeitschriftenbeitrag (peer-reviewed) | Schmidt, D.; Conrad, J.; Klaiber, I.; Mika, S.; Beifuss, U. |
Selective cationic cyclizations with α-pyrones as terminators
Synlett |
2007 | Zeitschriftenbeitrag (peer-reviewed) | Leutbecher, H.; Schmidt, D.; Conrad, J.; Beifuss, U. |
Synthesis of the Geranyl-a-pyron (+-) - Aurantiacone via a New Pyrone Synthesis
Synlett |
2007 | Zeitschriftenbeitrag (peer-reviewed) | Schmidt, D.; Conrad, J.; Klaiber, I.; Mika, S.; Beifuss, U. |
Triethyl phosphite mediated domino reaction: direct conversion of ϖ-nitroalkenes into N-heterocycles
Angew. Chem. Int. Ed. |
2007 | Zeitschriftenbeitrag (peer-reviewed) | Merisor, E.; Conrad, J.; Klaiber, I.; Mika, S.; Beifuss, U. |
Integerrimides A and B. Two Cyclic Heptapeptides from the Latex of Jatropha integerrima
J. Nat. Prod. |
2006 | Zeitschriftenbeitrag (peer-reviewed) | Mongkolvisut, W.; Sutthivaiyakit, S.; Leutbecher, H.; Mika, S.; Klaiber, I.; Moeller, W.; Roesner, H.; Beifuss, U.; Conrad, J. |
Isolation of hydroxycinnamoyltartaric acids from grape pomace by high-speed counter-current chromatography
J. Chromatogr. |
2006 | Zeitschriftenbeitrag (peer-reviewed) | Maier, T.; Sanzenbacher, S.; Kammerer, D. R.; Berardini, N.; Conrad, J.; Beifuss, U.; Carle, R.; Schieber, A. |
Novel 24-nor-, 24-nor-2,3-seco-, and 3,24-dinor-2,4-seco-ursane triterpenes from Diospyros decandra: evidences for ring A biosynthetic transformations
Tetrahedron |
2006 | Zeitschriftenbeitrag (peer-reviewed) | Nareeboon, P.; Kraus, W.; Beifuss, U.; Conrad, J.; Klaiber, I.; Sutthivaiyakit, S. |
Synthesis of the bis-potassium salts of 5-hydroxy-3-oxopent-4-enoic acids and their use for the efficient preparation of 4-hydroxy-2H-pyran-2-ones and other heterocycles
J. Che,. Soc., Chem. Commun. |
2006 | Zeitschriftenbeitrag (peer-reviewed) | Schmidt, D.; Conrad, J.; Klaiber, I.; Beifuss, U. |
7-O-methylcyanidin 3-O-β-D-galactopyranoside, a novel anthocyanin from mango (Mangifera indica L. cv. 'Tommy Atkins') peels.
Z. Naturforsch. |
2005 | Zeitschriftenbeitrag (peer-reviewed) | Berardini, N.; Schieber, A.; Klaiber, I.; Beifuss, U.; Carle, R.; Conrad, J. |
Application of HPLC coupled with DAD, APcI-MS and NMR to the analysis of lutein and zeaxanthin stereoisomers in thermally processed vegetables
Food Chem. |
2005 | Zeitschriftenbeitrag (peer-reviewed) | Aman, R.; Biehl, J.; Carle, R.; Conrad, J.; Beifuss, U.; Schieber, A. |
Isolation of carotenoids from plant materials and dietary supplements by high-speed counter-current chromatography
J. Chromatogr. A. |
2005 | Zeitschriftenbeitrag (peer-reviewed) | Aman, R.; Carle, R.; Conrad, J.; Beifuss, U.; Schieber, A. |
O-Heterocycles via laccase-catalyzed domino reactions with O2 as the oxidant
Synlett |
2005 | Zeitschriftenbeitrag (peer-reviewed) | Leutbecher, H.; Conrad, J.; Klaiber, I.; Beifuss, U. |
Screening of Mango (Mangifera indica L.) Cultivars for Their Contents of Flavonol O- and Xanthone C-Glycosides, Anthocyanins, and Pectin
J. Agric. Food. Chem. |
2005 | Zeitschriftenbeitrag (peer-reviewed) | Berardini, N.; Fezer, R.; Conrad, J.; Beifuss, U.; Carle, R.; Schieber, A. |
A novel furostanol saponin from Tribulus terrestris of Bulgarian origin
Fitoterapia |
2004 | Zeitschriftenbeitrag | Conrad, J.;Dinchev, D.; Klaiber, I.; Mika, S.; Kostova, I.; Kraus, W. |
Enzymatic production and complete nuclear magnetic resonance assignment of the sugar lactulose
J. Agric. Food Chem. |
2004 | Zeitschriftenbeitrag (peer-reviewed) | Mayer, J., Conrad, J., Klaiber, I., Lutz-Wahl, S., Beifuss, U., Fischer, L. |
Enzymatic production and complete nuclear magnetic resonance assignment of the sugar lactulose
J. Agric. Food. Chem. |
2004 | Zeitschriftenbeitrag (peer-reviewed) | Mayer, J.; Conrad, J.; Klaiber, I.; Lutz-Wahl, S.; Beifuss, U.; Fischer, L. |
In vitro anti-proliferation/cytotoxic activity of sixty natural products on the Human SH-SY5Y neuroblastoma cells with specific reference to dibenzyl trisulphide.
West Indian Medical Journal |
2004 | Zeitschriftenbeitrag | Williams, L.A.D., Rosner, H., Moller, W., Conrad, J., Nkurunziza, J. P; Kraus, W. |
Microwave assisted domino knoevenagel condensation/6 -electron electrocyclization reactions for the rapid and efficient synthesis of substituted 2H,5H-pyrano[4,3-b]pyran-5-ones and related heterocycles
QSAR Comb. Sci. |
2004 | Zeitschriftenbeitrag (peer-reviewed) | Leutbecher, H.; Conrad, J.; Klaiber, I.; Beifuss, U. |
Structural investigations on betacyanin pigments by LC NMR and 2D NMR spectroscopy
Phytochemistry |
2004 | Zeitschriftenbeitrag (peer-reviewed) | Stintzing, F. C.; Conrad, J.; Klaiber, I.; Beifuss, U.; Carle, R. |
Detection of Phloridzin in Strawberries (Fragaria x ananassa Duch.) by HPLC-PDA-MS/MS and NMR Spectroscopy
J. Agric. Food. Chem. |
2003 | Zeitschriftenbeitrag (peer-reviewed) | Hilt, P.; Schieber, A.; Yildirim, C.; Arnold, G.; Klaiber, I.; Conrad, J.; Beifuss, U.; Carle, R. |
Investigation of biologically active natural products using online LC-bioassay, LC-NMR, and LC-MS techniques
Phytochemistry Reviews |
2003 | Zeitschriftenbeitrag | Kraus, W.; Ngoc, Luu Hoang; Conrad, J.; Klaiber, I.; Reeb, S.; Vogler, B. |
Scaphopetalone and scaphopetalumate, a lignan and a triterpene ester from Scaphopetalum thonneri.
Phytochemistry |
2003 | Zeitschriftenbeitrag | Vardamides, J. C.; Azebaze, A. G. B.; Nkengfack, A. E.; Van Heerden, F. R.; Fomum, Z. T.; Ngando, T. M.; Conrad, J.; Vogler, B.; Kraus, W. |
Elution order of quercetin glycosides from apple pomace extracts on a new HPLC stationary phase with hydrophilic endcapping
J. Sep. Science |
2002 | Zeitschriftenbeitrag (peer-reviewed) | Schieber, A.; Hilt, P.; Conrad, J.; Beifuss, U.; Carle, R. |
Flavonoids from the roots of Millettia erythrocalyx
Phytochemistry |
2002 | Zeitschriftenbeitrag | Sritularak, B.; Likhitwitayawuid, K.; Conrad, J.; Kraus, W. |
Identification and quantification of major maillard cross-links in human serum albumin and lens protein. Evidence for glucosepane as the dominant compound
Journal of Biological Chemistry |
2002 | Zeitschriftenbeitrag | Biemel Klaus M., Lederer Markus O., Conrad Jürgen |
New Flavones from Milletia erythrocalyx
J. Nat. Prod. |
2002 | Zeitschriftenbeitrag | Sritularak, B.; Likhitwitayawuid, K.; Conrad, J.; Vogler, B.; Reeb, S.; Klaiber, I.; Kraus, W. |
Selected secondary metabolites from the Phytolaccaceae and their biological/pharmaceutical significance.
Recent Research Developments in Phytochemistry |
2002 | Zeitschriftenbeitrag (peer-reviewed) | Williams, L. A. D.; Roesner, H.; Conrad, J.; Moeller, W.; Beifuss, U.; Chiba, K.; Nkurunziza, J. P.; Kraus, W. |
Formation Pathways for Lysine-Arginine Cross-links derived from hexoses and pentoses by Maillard processes: unraveling the structure of a pentosidine precursor
Journal of Biological Chemistry |
2001 | Zeitschriftenbeitrag | Biemel, K.; Reihl, O.; Conrad, J.; Lederer, M.O. |
Isolation from Cussonia barteri of 1'-O-chlorogenoylchlorogenic acid and 1'-O-chlorogenoylneochlorogenic acid, a new type of quinic acid esters.
Planta Med. |
2001 | Zeitschriftenbeitrag | Papajewski, S.; Vogler, B.; Conrad, J.; Klaiber, I.; Roos, G.; Walter, C. U.; Suessmuth, R.; Kraus, W. |
Isoterchebulin and 4,6-O-Isoterchebuloyl-D-glucose, Novel Hydrolyzable Tannins from Terminalia macroptera
J. Nat. Prod. |
2001 | Zeitschriftenbeitrag | Conrad, J.; Vogler, B.; Reeb, S.; Klaiber, I.; Papajewski, S.; Roos, G.; Vasquez, E.; Setzer, M.C.; Kraus, W. |
Vanillic acid 4-O-ß-D-(-O-Galloyl) Glucopyranoside and other constituents from the bark of Terminalia macroptera Guill. et Perr
Nat. Prod. Lett. |
2001 | Zeitschriftenbeitrag | Conrad, J.; Vogler, B.; Klaiber, I.; Reeb, S.; Guse,J.-H.; Roos, G.; Kraus, W. |
Biologisch aktive Triterpene, Saponine und hydrolysierbare Tannine aus Terminalia macroptera Guill. et Perr. (Compretaceae) | 1999 | Dissertation | Conrad, Jürgen |
Hydrolyzable Tannins and a New Phenolic Gycoside Gallate from Terminalia macroptera Bark
2000 Years of Natural Products Research - Past, Present and Future - Book of Abstracts |
1999 | Kongressbeitrag | Conrad, J.; Vogler,B.; Klaiber, I.; Reeb, S.; Roos, G.; Kraus, W. |
Bioassay Guided Isolation of Triterpene Glucopyranosyl Esters from Terminalia macroptera Bark
Quality of Medicinal Plants and Herbal Medicinal Products |
1998 | Kongressbeitrag | Conrad J.; Vogler, B.; Klaiber, I.; Roos, G.; Walter, C.U.; Kraus, W. |
Can HPLC-NMR serve as a Tool for Natural Products Isolation
Nat. Prod. Anal., [Symp.] (1998), Meeting Date 1997 |
1998 | Kongressbeitrag | Vogler, B.; Conrad, J.; Hiller, W.; Klaiber, I.; Roos, G.; Sandor, P. |
Two Triterpene esters from Terminalia macroptera bark
Phytochemistry |
1998 | Zeitschriftenbeitrag | Conrad, J.; Vogler, B.; Klaiber, I.; Roos, G.; Walter, C. U.; Kraus, W. |
Bioassay guided isolation of triterpenes from Terminalia macroptera
nnb |
1997 | Kongressbeitrag | Conrad, J.; Vogler, B.; Klaiber, I.; Walter, C. U.; Roos, G.; Guse, J.-H.; Kraus, W. |
Pflanzenextrakte mit toxischer Wirkung gegen Biomphalaria glabrata und Artemia salina
Phytomedizin |
1996 | Kongressbeitrag | Moser, D.; Conrad, J.; Roos, G.; Walter, C. U.; Kraus, W. |