Works by Langer, Peter

Results: 220

N‐doped and Bowl‐Shaped Azabenzo[3,4]azulenofluorene: Synthesis and Characterization of Bridged Aza‐Triarylamines.

Published in:

Chemistry - A European Journal, 2024, v. 30, n. 69, p. 1, doi. 10.1002/chem.202403004

By:

Radolko, Jan;
Tuan, Ha Minh;
Molenda, Ricardo;
Villinger, Alexander;
Ehlers, Peter;
Langer, Peter

Publication type:

Article

Dibenzoindolo[1,8]naphthyridines: Synthesis and Characterization of X‐Shaped Aza[4,6]helicenes.

Published in:

Chemistry - A European Journal, 2024, v. 30, n. 4, p. 1, doi. 10.1002/chem.202303225

By:

Ausekle, Elina;
Ehlers, Peter;
Villinger, Alexander;
Langer, Peter

Publication type:

Article

Thienoindolizines and their Benzo‐Fused Derivatives: Synthesis and Physical Properties.

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 42, p. 1, doi. 10.1002/chem.202301038

By:

Ausekle, Elina;
Ehlers, Peter;
Villinger, Alexander;
Argüello Cordero, Miguel Andre;
Lochbrunner, Stefan;
Langer, Peter

Publication type:

Article

Synthesis and Properties of Diphenylbenzo[j]naphtho[2,1,8‐def][2,7]phenanthrolines.

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 17, p. 1, doi. 10.1002/chem.202204011

By:

Spruner von Mertz, Franziska;
Molenda, Ricardo;
Boldt, Sebastian;
Villinger, Alexander;
Ehlers, Peter;
Langer, Peter

Publication type:

Article

3,5,7,9-Tetraphenylhexaazaacridin: eine hochstabile, schwach antiaromatische 16p-Spezies.

Published in:

Angewandte Chemie, 2005, v. 117, n. 33, p. 5389, doi. 10.1002/ange.200500831

By:

Peter Langer;
Anja Bodtke;
Nehad N. R. Saleh;
Helmar Görls;
Peter R. Schreiner

Publication type:

Article

Why are taeniae, haustra, and semilunar folds differentiated in the gastrointestinal tract of mammals, including man?

Published in:

Journal of Morphology, 2004, v. 259, n. 3, p. 308, doi. 10.1002/jmor.10176

By:

Peter Langer;
Áron Takács

Publication type:

Article

Hands-free mobile phone conversation impairs the peripheral visual system to an extent comparable to an alcohol level of 4–5 g 100 ml.

Published in:

Human Psychopharmacology: Clinical & Experimental, 2005, v. 20, n. 1, p. 65, doi. 10.1002/hup.654

By:

Langer, Peter;
Holzner, Bernhard;
Magnet, Wolfgang;
Kopp, Martin

Publication type:

Article

Neuroendocrine Pancreatic Tumors Are Risk Factors for Pancreatic Fistula after Pancreatic Surgery.

Published in:

Digestive Surgery, 2011, v. 28, n. 4, p. 263, doi. 10.1159/000328667

By:

Fendrich, Volker;
Merz, Marianne K.;
Waldmann, Jens;
Langer, Peter;
Heverhagen, Anna E.;
Dietzel, Kristin;
Bartsch, Detlef K.

Publication type:

Article

Synthesis, structure-activity relationships and biological evaluation of benzimidazole derived sulfonylurea analogues as a new class of antagonists of P2Y1 receptor.

Published in:

Frontiers in Pharmacology, 2023, p. 1, doi. 10.3389/fphar.2023.1217315

By:

Bano, Sehrish;
Hussain, Zahid;
Langer, Peter;
Weisman, Gary A.;
Iqbal, Jamshed

Publication type:

Article

Chronic Granulomatous Disease First Diagnosed in Adulthood Presenting With Spinal Cord Infection.

Published in:

Frontiers in Immunology, 2018, p. 1, doi. 10.3389/fimmu.2018.01258

By:

Schwenkenbecher, Philipp;
Neyazi, Alexandra;
Donnerstag, Frank;
Ringshausen, Felix C.;
Jacobs, Roland;
Stoll, Matthias;
Kirschner, Philip;
Länger, Florian Peter;
Valizada, Emil;
Gingele, Stefan;
Wegner, Florian;
Sühs, Kurt-Wolfram;
Stangel, Martin;
Skripuletz, Thomas

Publication type:

Article

The digestive tract and life history of small mammals.

Published in:

Mammal Review, 2002, v. 32, n. 2, p. 107, doi. 10.1046/j.1365-2907.2002.00101.x

By:

LANGER, PETER

Publication type:

Article

Synthesis, Characterization, and Application of PVP-Pd NP in the Aerobic Oxidation of 5-Hydroxymethylfurfural (HMF).

Published in:

Catalysis Letters, 2014, v. 144, n. 3, p. 498, doi. 10.1007/s10562-013-1186-0

By:

Siyo, Baraa;
Schneider, Matthias;
Pohl, Marga-Martina;
Langer, Peter;
Steinfeldt, Norbert

Publication type:

Article

Small Molecules in the Treatment of Squamous Cell Carcinomas: Focus on Indirubins.

Published in:

Cancers, 2021, v. 13, n. 8, p. 1770, doi. 10.3390/cancers13081770

By:

Schäfer, Mirijam;
Semmler, Marie Luise;
Bernhardt, Thoralf;
Fischer, Tobias;
Kakkassery, Vinodh;
Ramer, Robert;
Hein, Martin;
Bekeschus, Sander;
Langer, Peter;
Hinz, Burkhard;
Emmert, Steffen;
Boeckmann, Lars;
Gutzmer, Ralf

Publication type:

Article

Isolation of Trimethylammoniumyl–Acetate Monohydrate from Cola Lepidota Seeds: Antiproliferative Activity of Extracts and Fractions.

Published in:

2013

By:

Falodun, Abiodun;
Engel-Lutz, Nadja;
Oppermann, Christina;
Iftikhar, Ali;
Villinger, Alexander;
Kragl, Udo;
Nebe, Barbara;
Langer, Peter

Publication type:

Journal Article

Isolation of Trimethylammoniumyl–Acetate Monohydrate from Cola Lepidota Seeds: Antiproliferative Activity of Extracts and Fractions.

Published in:

Journal of Herbs, Spices & Medicinal Plants, 2013, v. 19, n. 4, p. 329, doi. 10.1080/10496475.2013.794183

By:

Falodun, Abiodun;
Engel-Lutz, Nadja;
Oppermann, Christina;
Iftikhar, Ali;
Villinger, Alexander;
Kragl, Udo;
Nebe, Barbara;
Langer, Peter

Publication type:

Article

Antitumor evaluation of two selected Pakistani plant extracts on human bone and breast cancer cell lines.

Published in:

BMC Complementary & Alternative Medicine, 2016, v. 16, p. 1, doi. 10.1186/s12906-016-1215-9

By:

Engel, Nadja;
Ali, Iftikhar;
Adamus, Anna;
Frank, Marcus;
Dad, Akber;
Ali, Sajjad;
Nebe, Barbara;
Atif, Muhammad;
Ismail, Muhammad;
Langer, Peter;
Ahmad, Viqar Uddin

Publication type:

Article

Pro-apoptotic and anti-adhesive effects of four African plant extracts on the breast cancer ce line MCF-7.

Published in:

BMC Complementary & Alternative Medicine, 2014, v. 14, p. 1, doi. 10.1186/1472-6882-14-334

By:

Engel, Nadja;
Falodun, Abiodun;
Kühn, Juliane;
Kragl, Udo;
Langer, Peter;
Nebe, Barbara

Publication type:

Article

Synthesis and Reactivity of 2-Pyrrolidino-, 2- N-Methylpiperazino-, 2-Piperidino-, and 2-Morpholino-1,3,4-thiadiazines.

Published in:

Journal of Heterocyclic Chemistry, 2015, v. 52, n. 2, p. 450, doi. 10.1002/jhet.2072

By:

Knak, Stefanie;
Pfeiffer, Wolf ‐ Diethard;
Dollinger, Horst;
Langer, Peter

Publication type:

Article

Synthesis of Imidazo[2,1- b][2 H-1,3,4]thiadiazines and 1,2,4-Triazolo[3,4- b][2 H-1,3,4]thiadiazines.

Published in:

Journal of Heterocyclic Chemistry, 2015, v. 52, n. 2, p. 463, doi. 10.1002/jhet.2074

By:

Knak, Stefanie;
Pfeiffer, Wolf ‐ Diethard;
Dollinger, Horst;
Saghyan, Ashot S.;
Langer, Peter

Publication type:

Article

Synthesis of 2-Unsubstituted 1,3-Selenazoles by.

Published in:

2015

By:

Below, Harald;
Pfeiffer, Wolf ‐ Diethard;
Geisler, Karlheinz;
Saghyan, Ashot S.;
Fischer, Christine;
Langer, Peter

Publication type:

Other

Cyclization of 4-Phenylthiosemicarbazide with Phenacylbromide Revisited. Formation of 1,3,4-Thiadiazines and of Isomeric 1,3-Thiazoles.

Published in:

Journal of Heterocyclic Chemistry, 2014, v. 51, n. 4, p. 1063, doi. 10.1002/jhet.2007

By:

Pfeiffer, Wolf ‐ Diethard;
Junghans, Dieter;
Saghyan, Ashot S.;
Langer, Peter

Publication type:

Article

Regioselective Synthesis of Pyrazoles and Isoxazoles with Cyclopropanated Side-Chain.

Published in:

Journal of Heterocyclic Chemistry, 2014, v. 51, n. 3, p. 835, doi. 10.1002/jhet.1960

By:

Bendrath, Franziska;
Falodun, Abiodun;
Abilov, Zharylkasyn A.;
Villinger, Alexander;
Langer, Peter

Publication type:

Article

A new domino reaction based on [4+2]-cycloadditions of pyrido[1,2- a]pyrazines with azadienophiles.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 627, doi. 10.1002/jhet.5570360309

By:

Billert, Thomas;
Beckert, Rainer;
Brandenburg, Jörg;
Fehling, Peer;
Döring, Manfred;
Görls, Helmar;
Langer, Peter

Publication type:

Article

[3+3]-Cyclisierungsreaktionen von 1,3-Bis-Silylenolethern mit 1,1-Diacetylcyclopentan und 1,1-Diacetylcyclopropan ( Diese Arbeit wurde durch die Deutsche Forschungsgemeinschaft unterstützt (Heisenberg-Stipendium für P.L. und Normalverfahren). Wir danken Dr. M. Noltemeyer für die Kristallstrukturanalyse. )

Published in:

Angewandte Chemie, 2003, v. 115, n. 34, p. 4165, doi. 10.1002/ange.200351263

By:

Peter Langer;
Gopal Bose

Publication type:

Article

Recent Advances in Transition‐Metal‐Catalyzed Reactions of N‐Tosylhydrazones.

Published in:

Advanced Synthesis & Catalysis, 2021, v. 363, n. 15, p. 3616, doi. 10.1002/adsc.202100332

By:

Radolko, Jan;
Ehlers, Peter;
Langer, Peter

Publication type:

Article

A Sensitive LC-MS/MS Method for the Simultaneous Determination of Two Thia-Analogous Indirubin N -Glycosides and Indirubin-3′-Monoxime in Plasma and Cell Culture Medium.

Published in:

Molecules, 2022, v. 27, n. 9, p. 3031, doi. 10.3390/molecules27093031

By:

Fischle, Alica;
Schwarz, Rico;
Wendt, Franziska;
Kordt, Marcel;
Ramer, Robert;
Boeckmann, Lars;
Hein, Martin;
Langer, Peter;
Emmert, Steffen;
Vollmar, Brigitte;
Hinz, Burkhard

Publication type:

Article

Synthesis, Experimental and Theoretical Study of Azidochromones.

Published in:

Molecules, 2022, v. 27, n. 9, p. 2636, doi. 10.3390/molecules27092636

By:

Narváez-Ordoñez, Ena G.;
Pabón-Carcelén, Kevin A.;
Zurita-Saltos, Daniel A.;
Bonilla-Valladares, Pablo M.;
Yánez-Darquea, Trosky G.;
Ramos-Guerrero, Luis A.;
Ulic, Sonia E.;
Jios, Jorge L.;
Echeverría, Gustavo A.;
Piro, Oscar E.;
Langer, Peter;
Alcívar-León, Christian D.;
Heredia-Moya, Jorge

Publication type:

Article

Synthesis of functionalised fluorinated pyridine derivatives by site-selective Suzuki-Miyaura cross-coupling reactions of halogenated pyridines.

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2017, v. 72, n. 4, p. 263, doi. 10.1515/znb-2016-0213

By:

Sharif, Muhammad;
Shoaib, Khurram;
Ahmed, Shahzad;
Reimann, Sebastian;
Iqbal, Jamshed;
Hashmi, Muhammad Ali;
Ayub, Khurshid;
Yelibayeva, Nazym;
Ospanov, Meirambek;
Turmukhanova, Mirgul Zh.;
Abilov, Zharylkasyn A.;
Langer, Peter

Publication type:

Article

Synthesis of aminomethyl derivatives of 5-substituted-3-(prop-2-ynyl)dihydrofuran-2(3 H)-ones.

Published in:

Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2016, v. 71, n. 3, p. 267, doi. 10.1515/znb-2015-0144

By:

Ghochikyan, Tariel V.;
Samvelyan, Melanya A.;
Harutyunyan, Vilik S.;
Harutyunyan, Edgar V.;
Petrosyan, Andranik;
Langer, Peter

Publication type:

Article

Synthesis of Hydrazones from Amino Acids and their Antimicrobial and Cytotoxic Activities.

Published in:

Journal of the Chinese Chemical Society, 2017, v. 64, n. 9, p. 1079, doi. 10.1002/jccs.201600859

By:

Abid, Obaid ‐ ur ‐ Rahman;
Khatoon, Ghamama;
Arfan, Muhammad;
Sajid, Imran;
Langer, Peter;
Rehman, Wajid;
Rahim, Fazal;
Yasir, Muhammad;
Waqar, Muhammad;
Haleem, Kashif Syed

Publication type:

Article

Macroscopic Anatomy of the Stomach of the Hippopotamidae GRAY, 1821.

Published in:

Anatomia, Histologia, Embryologia: Journal of Veterinary Medicine Series C, 1975, v. 4, n. 4, p. 334, doi. 10.1111/j.1439-0264.1975.tb00647.x

By:

Langer, Peter

Publication type:

Article

Deazapurine Analogues Bearing a 1H‐Pyrazolo[3,4‐b]pyridin‐3(2H)‐one Core: Synthesis and Biological Activity.

Published in:

European Journal of Organic Chemistry, 2018, v. 2018, n. 20/21, p. 2629, doi. 10.1002/ejoc.201800163

By:

Supe, Linda;
Afzal, Saira;
Mahmood, Abid;
Ejaz, Syeda Abida;
Hein, Martin;
Iaroshenko, Viktor O.;
Villinger, Alexander;
Lecka, Joanna;
Sévigny, Jean;
Iqbal, Jamshed;
Langer, Peter

Publication type:

Article

Chemoselective Synthesis of Arylpyridines through Suzuki- Miyaura Cross-Coupling Reactions.

Published in:

European Journal of Organic Chemistry, 2018, v. 2018, n. 8, p. 990, doi. 10.1002/ejoc.201701718

By:

Perdomo Rivera, Rodisnel;
Ehlers, Peter;
Ohlendorf, Lars;
Torres Rodríguez, Eugenio;
Villinger, Alexander;
Langer, Peter

Publication type:

Article

Domino Reactions of Chromone-3-carboxylic Acids with Aminoheterocycles: Synthesis of Heteroannulated Pyrido[2,3-c]coumarins and their Optical and Biological Activity.

Published in:

European Journal of Organic Chemistry, 2017, v. 2017, n. 47, p. 7148, doi. 10.1002/ejoc.201701276

By:

Miliutina, Mariia;
Janke, Julia;
Chirkina, Elena;
Hassan, Sidra;
Ejaz, Syeda Abida;
Khan, Shafi Ullah;
Iqbal, Jamshed;
Friedrich, Aleksej;
Lochbrunner, Stefan;
Ivanov, Anton;
Villinger, Alexander;
Lecka, Joanna;
Sévigny, Jean;
Langer, Peter

Publication type:

Article

Convenient Synthesis of 11-Substituted 11H-Indolo[3,2-c]quinolines by Sequential Chemoselective Suzuki Reaction/Double C-N Coupling.

Published in:

European Journal of Organic Chemistry, 2017, v. 2017, n. 37, p. 5554, doi. 10.1002/ejoc.201700913

By:

Pham, Ngo Nghia;
Janke, Sophie;
Salman, Ghazwan Ali;
Dang, Tuan Thanh;
Le, Thanh Son;
Spannenberg, Anke;
Ehlers, Peter;
Langer, Peter

Publication type:

Article

Synthesis of Quinolino[3′,4′:4,5]pyrrolo[1,2- f]phenanthridines by Regioselective Sonogashira Reaction Followed by Domino C-N Coupling/Hydroamination/C-H Arylation.

Published in:

European Journal of Organic Chemistry, 2017, v. 2017, n. 26, p. 3865, doi. 10.1002/ejoc.201700371

By:

Pham, Ngo Nghia;
Salman, Ghazwan Ali;
Ponce, Marian Blanco;
Dang, Tuan Thanh;
Spannenberg, Anke;
Ehlers, Peter;
Langer, Peter

Publication type:

Article

Palladium-Catalyzed Synthesis and Fluorescence Study of Ethynylated Naphthalene Derivatives.

Published in:

European Journal of Organic Chemistry, 2017, v. 2017, n. 16, p. 2238, doi. 10.1002/ejoc.201700024

By:

Huy Do, Hoang;
Villinger, Alexander;
Lochbrunner, Stefan;
Ehlers, Peter;
Langer, Peter

Publication type:

Article

Convenient Synthesis of Thieno[3,2- b]indoles and Thieno[3,4- b]indoles by Sequential Site-Selective Suzuki and Double C-N Coupling Reactions.

Published in:

European Journal of Organic Chemistry, 2017, v. 2017, n. 3, p. 538, doi. 10.1002/ejoc.201601281

By:

Pham, Ngo Nghia;
Parpart, Silvio;
Grigoryan, Sevak;
Ngo, Thang Ngoc;
Dang, Tuan Thanh;
Ghochikyan, Tariel V.;
Saghyan, Ashot S.;
Ehlers, Peter;
Langer, Peter

Publication type:

Article

Synthesis and Properties of 5,7-Dihydropyrido[3,2- b:5,6- b′]diindoles.

Published in:

European Journal of Organic Chemistry, 2015, v. 2015, n. 5, p. 1007, doi. 10.1002/ejoc.201403035

By:

Hung, Tran Quang;
Thang, Ngo Ngoc;
Hoang, Do Huy;
Dang, Tuan Thanh;
Ayub, Khurshid;
Villinger, Alexander;
Lochbrunner, Stefan;
Flechsig, Gerd‐Uwe;
Langer, Peter

Publication type:

Article

Palladium-Catalyzed Aminosulfonylation of Aryl Iodides by using Na2SO3 as the SO2 Source.

Published in:

European Journal of Organic Chemistry, 2014, v. 2014, n. 15, p. 3101, doi. 10.1002/ejoc.201402212

By:

Li, Wanfang;
Li, Haoquan;
Langer, Peter;
Beller, Matthias;
Wu, Xiao‐Feng

Publication type:

Article

Palladium-Catalyzed Carbonylative Transformations of Bromhexine into Bioactive Compounds as Glucocerebrosidase Inhibitors.

Published in:

European Journal of Organic Chemistry, 2014, v. 2014, n. 1, p. 222, doi. 10.1002/ejoc.201301180

By:

Sharif, Muhammad;
Pews‐Davtyan, Anahit;
Lukas, Jan;
Schranck, Johannes;
Langer, Peter;
Rolfs, Arndt;
Beller, Matthias

Publication type:

Article

Site-Selective Sonogashira Reactions of 1,4-Dibromo-2-(trifluoromethyl)benzene: Synthesis and Properties of Fluorinated Alkynylbenzenes.

Published in:

European Journal of Organic Chemistry, 2013, v. 2013, n. 36, p. 8115, doi. 10.1002/ejoc.201300607

By:

Reimann, Sebastian;
Wittler, Kai;
Schmode, Stella;
Sharif, Muhammad;
Fahrenwaldt, Thomas;
Ludwig, Ralf;
Spannenberg, Anke;
Langer, Peter

Publication type:

Article

(β- D-Ribofuranosyl)formamidine in the Design and Synthesis of 2-(β- D-Ribofuranosyl)pyrimidines, Including RF-Containing Derivatives.

Published in:

European Journal of Organic Chemistry, 2013, v. 2013, n. 15, p. 3166, doi. 10.1002/ejoc.201300107

By:

Iaroshenko, Viktor O.;
Dudkin, Sergii;
Sosnovskikh, Vyacheslav Ya.;
Villinger, Alexander;
Langer, Peter

Publication type:

Article

The First ZnII-Catalyzed Oxidative Amidation of Benzyl Alcohols with Amines under Solvent-Free Conditions.

Published in:

European Journal of Organic Chemistry, 2013, v. 2013, n. 14, p. 2783, doi. 10.1002/ejoc.201300367

By:

Wu, Xiao‐Feng;
Sharif, Muhammad;
Pews‐Davtyan, Anahit;
Langer, Peter;
Ayub, Khurshid;
Beller, Matthias

Publication type:

Article

Synthesis of Alkynylated Selenophenes by Site-Selective Sonogashira Reactions of Tetrabromoselenophene.

Published in:

European Journal of Organic Chemistry, 2013, v. 2013, n. 10, p. 2000, doi. 10.1002/ejoc.201201440

By:

Ehlers, Peter;
Dang, Tung T.;
Patonay, Tamás;
Villinger, Alexander;
Langer, Peter

Publication type:

Article

Efficient Synthesis of Arylated Flavones by Site-Selective Suzuki-Miyaura Cross-Coupling Reactions of the Bis(triflate) of 5,7- and 7,8-Dihydroxyflavone.

Published in:

European Journal of Organic Chemistry, 2012, v. 2012, n. 8, p. 1639, doi. 10.1002/ejoc.201101491

By:

Eleya, Nadi;
Malik, Imran;
Reimann, Sebastian;
Wittler, Kai;
Hein, Martin;
Patonay, Tamás;
Villinger, Alexander;
Ludwig, Ralf;
Langer, Peter

Publication type:

Article

Site-Selective Sonogashira Reactions of 1,4-Dibromo-2-fluorobenzene - Synthesis and Properties of Fluorinated Alkynylbenzenes.

Published in:

European Journal of Organic Chemistry, 2012, v. 2012, n. 3, p. 604, doi. 10.1002/ejoc.201100394

By:

Reimann, Sebastian;
Sharif, Muhammad;
Hein, Martin;
Villinger, Alexander;
Wittler, Kai;
Ludwig, Ralf;
Langer, Peter

Publication type:

Article

Synthesis and Structures of Fluoroalkylated Triketides.

Published in:

European Journal of Organic Chemistry, 2011, v. 2011, n. 33, p. 6663, doi. 10.1002/ejoc.201100760

By:

Büttner, Stefan;
Desens, Willi;
Michalik, Dirk;
Langer, Peter

Publication type:

Article

Synthesis of 2′,4-Diarylbenzophenones through Site-Selective Suzuki-Miyaura Reactions of Bis(triflates) of 2′,4-Dihydroxybenzophenones.

Published in:

European Journal of Organic Chemistry, 2011, v. 2011, n. 33, p. 6670, doi. 10.1002/ejoc.201100762

By:

Nawaz, Muhammad;
Ullah, Ihsan;
Abid, Obaid-Ur-Rahman;
Villinger, Alexander;
Langer, Peter

Publication type:

Article

1-(Arylalkenyl)pyrenes - Synthetic, Structural, Photophysical, Theoretical, and Electrochemical Investigations.

Published in:

European Journal of Organic Chemistry, 2011, v. 2011, n. 27, p. 5261, doi. 10.1002/ejoc.201100620

By:

Sharif, Muhammad;
Reimann, Sebastian;
Wittler, Kai;
Knöpke, Leif R.;
Surkus, Annette-E.;
Roth, Christian;
Villinger, Alexander;
Ludwig, Ralf;
Langer, Peter

Publication type:

Article