Works matching AU Fröhlich, Roland

Results: 255

Shedding Light on the Interactions of Hydrocarbon Ester Substituents upon Formation of Dimeric Titanium(IV) Triscatecholates in DMSO Solution.

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 6, p. 1396, doi. 10.1002/chem.201904639

By:

Kwamen, A. Carel N.;
Schlottmann, Marcel;
Van Craen, David;
Isaak, Elisabeth;
Baums, Julia;
Shen, Li;
Massomi, Ali;
Räuber, Christoph;
Joseph, Benjamin P.;
Raabe, Gerhard;
Göb, Christian;
Oppel, Iris M.;
Puttreddy, Rakesh;
Ward, Jas S.;
Rissanen, Kari;
Fröhlich, Roland;
Albrecht, Markus

Publication type:

Article

Ein praktischer Zugang zu hoch enantiomerenreinen Flavanonen durch katalytische asymmetrische Transferhydrierung.

Published in:

Angewandte Chemie, 2013, v. 125, n. 44, p. 11865, doi. 10.1002/ange.201306500

By:

Lemke, Marie ‐ Kristin;
Schwab, Pia;
Fischer, Petra;
Tischer, Sandra;
Witt, Morris;
Noehringer, Laurence;
Rogachev, Victor;
Jäger, Anne;
Kataeva, Olga;
Fröhlich, Roland;
Metz, Peter

Publication type:

Article

Dibenzopentalenes from B(C6F5)3-Induced Cyclization Reactions of 1,2-Bis(phenylethynyl)benzenes.

Published in:

Angewandte Chemie, 2013, v. 125, n. 23, p. 6108, doi. 10.1002/ange.201300871

By:

Chen, Chao;
Harhausen, Marcel;
Liedtke, René;
Bussmann, Kathrin;
Fukazawa, Aiko;
Yamaguchi, Shigehiro;
Petersen, Jeffrey L.;
Daniliuc, Constantin G.;
Fröhlich, Roland;
Kehr, Gerald;
Erker, Gerhard

Publication type:

Article

Ergänzung: Reaktionen frustrierter Lewis-Paare mit konjugierten Inonen - selektive Hydrierung der Kohlenstoff-Kohlenstoff-Dreifachbindung.

Published in:

Angewandte Chemie, 2012, v. 124, n. 41, p. 10359, doi. 10.1002/ange.201206415

By:

Xu, Bao-Hua;
Kehr, Gerald;
Fröhlich, Roland;
Wibbeling, Birgit;
Schirmer, Birgitta;
Grimme, Stefan;
Erker, Gerhard

Publication type:

Article

Hydrogen Activation by an Intramolecular Boron Lewis Acid/Zirconocene Pair.

Published in:

Angewandte Chemie, 2012, v. 124, n. 35, p. 8960, doi. 10.1002/ange.201202218

By:

Podiyanachari, Santhosh Kumar;
Fröhlich, Roland;
Daniliuc, Constantin G.;
Petersen, Jeffrey L.;
Mück-Lichtenfeld, Christian;
Kehr, Gerald;
Erker, Gerhard

Publication type:

Article

Binding of Molecular Magnesium Hydrides to a Zirconocene-Enyne Template.

Published in:

Angewandte Chemie, 2012, v. 124, n. 35, p. 8976, doi. 10.1002/ange.201203372

By:

Bender, Georg;
Wiegand, Thomas;
Eckert, Hellmut;
Fröhlich, Roland;
Daniliuc, Constantin G.;
Mück-Lichtenfeld, Christian;
Ndambuki, Sylvester;
Ziegler, Tom;
Kehr, Gerald;
Erker, Gerhard

Publication type:

Article

Milde metallfreie Tandem-α-Alkylierung/Cyclisierung von N-Benzylcarbamaten mit einfachen Olefinen.

Published in:

Angewandte Chemie, 2012, v. 124, n. 34, p. 8784, doi. 10.1002/ange.201202379

By:

Richter, Heinrich;
Fröhlich, Roland;
Daniliuc, Constantin-Gabriel;
García Mancheño, Olga

Publication type:

Article

N-Heterocyclic Carbene Boranes as Electron-Donating and Electron-Accepting Components of π-Conjugated Systems.

Published in:

Angewandte Chemie, 2012, v. 124, n. 31, p. 7882, doi. 10.1002/ange.201204050

By:

Nagura, Kazuhiko;
Saito, Shohei;
Fröhlich, Roland;
Glorius, Frank;
Yamaguchi, Shigehiro

Publication type:

Article

Nukleophile Addition von Enolen und Enaminen an α,β-ungesättigte Acylazoliumionen: Mechanistische Studien.

Published in:

Angewandte Chemie, 2012, v. 124, n. 21, p. 5325, doi. 10.1002/ange.201109042

By:

Samanta, Ramesh C.;
Maji, Biplab;
De Sarkar, Suman;
Bergander, Klaus;
Fröhlich, Roland;
Mück-Lichtenfeld, Christian;
Mayr, Herbert;
Studer, Armido

Publication type:

Article

Oxidative Heck-Arylierung zur stereoselektiven Synthese von tetrasubstituierten Olefinen mit Nitroxiden als Oxidationsmittel.

Published in:

Angewandte Chemie, 2012, v. 124, n. 15, p. 3759, doi. 10.1002/ange.201108211

By:

He, Zhiheng;
Kirchberg, Sylvia;
Fröhlich, Roland;
Studer, Armido

Publication type:

Article

Ligand-Stabilized [P4]2+ Cations.

Published in:

Angewandte Chemie, 2012, v. 124, n. 12, p. 3018, doi. 10.1002/ange.201109010

By:

Donath, Maximilian;
Conrad, Eamonn;
Jerabek, Paul;
Frenking, Gernot;
Fröhlich, Roland;
Burford, Neil;
Weigand, Jan J.

Publication type:

Article

Die 1,1-Carboborierung von Bis(alkinyl)phosphanen als Zugang zum Phospholgerüst.

Published in:

Angewandte Chemie, 2012, v. 124, n. 8, p. 1990, doi. 10.1002/ange.201107398

By:

Möbus, Juri;
Bonnin, Quentin;
Ueda, Kirika;
Fröhlich, Roland;
Itami, Kenichiro;
Kehr, Gerald;
Erker, Gerhard

Publication type:

Article

Entwicklung N-heterocyclischer Carbene: Gleichzeitige Verbesserung von Reaktivität und Enantioselektivität in der asymmetrischen Hydroacylierung von Cyclopropenen.

Published in:

Angewandte Chemie, 2011, v. 123, n. 52, p. 12834, doi. 10.1002/ange.201106155

By:

Liu, Fan;
Bugaut, Xavier;
Schedler, Michael;
Fröhlich, Roland;
Glorius, Frank

Publication type:

Article

Herstellung von Isoxazolidinen über enantioselektive Kupfer-katalysierte Anellierung von 2-Nitrosopyridin mit Allylstannanen.

Published in:

Angewandte Chemie, 2011, v. 123, n. 47, p. 11453, doi. 10.1002/ange.201105515

By:

Chatterjee, Indranil;
Fröhlich, Roland;
Studer, Armido

Publication type:

Article

Capture of NO by a Frustrated Lewis Pair: A New Type of Persistent N-Oxyl Radical.

Published in:

Angewandte Chemie, 2011, v. 123, n. 33, p. 7709, doi. 10.1002/ange.201101622

By:

Cardenas, Allan Jay P.;
Culotta, Brooks J.;
Warren, Timothy H.;
Grimme, Stefan;
Stute, Annika;
Fröhlich, Roland;
Kehr, Gerald;
Erker, Gerhard

Publication type:

Article

Reaktionen frustrierter Lewis-Paare mit konjugierten Inonen - selektive Hydrierung der Kohlenstoff-Kohlenstoff-Dreifachbindung.

Published in:

Angewandte Chemie, 2011, v. 123, n. 31, p. 7321, doi. 10.1002/ange.201101051

By:

Xu, Bao-Hua;
Kehr, Gerald;
Fröhlich, Roland;
Wibbeling, Birgit;
Schirmer, Birgitta;
Grimme, Stefan;
Erker, Gerhard

Publication type:

Article

Hoch asymmetrische NHC-katalysierte Hydroacylierung nichtaktivierter Alkene.

Published in:

Angewandte Chemie, 2011, v. 123, n. 21, p. 5087, doi. 10.1002/ange.201008081

By:

Piel, Isabel;
Steinmetz, Marc;
Hirano, Keiichi;
Fröhlich, Roland;
Grimme, Stefan;
Glorius, Frank

Publication type:

Article

Total Synthesis and Biological Evaluation of (−)-Englerin A and B: Synthesis of Analogues with Improved Activity Profile.

Published in:

Angewandte Chemie, 2011, v. 123, n. 17, p. 4084, doi. 10.1002/ange.201007790

By:

Radtke, Lea;
Willot, Matthieu;
Sun, Hongyan;
Ziegler, Slava;
Sauerland, Stephanie;
Strohmann, Carsten;
Fröhlich, Roland;
Habenberger, Peter;
Waldmann, Herbert;
Christmann, Mathias

Publication type:

Article

'Induced fit' in der chiralen Erkennung: Epimerisierung durch Dimerisierung bei der hierarchischen Selbstorganisation Helicat- artiger Titan(IV)-Komplexe.

Published in:

Angewandte Chemie, 2011, v. 123, n. 12, p. 2903, doi. 10.1002/ange.201006448

By:

Albrecht, Markus;
Isaak, Elisabeth;
Baumert, Miriam;
Gossen, Verena;
Raabe, Gerhard;
Fröhlich, Roland

Publication type:

Article

Conformational features of a furyl-substituted bis(tetrahydroindenyl)zirconium dichloride system.

Published in:

Journal of Physical Organic Chemistry, 2002, v. 15, n. 8, p. 582, doi. 10.1002/poc.524

By:

Dreier, Thorsten;
Hannig, Frithjof;
Erker, Gerhard;
Bergander, Klaus;
Fröhlich, Roland

Publication type:

Article

C‐Bridged Bispyrrolidines and Bispiperidines as New Ligands.

Published in:

European Journal of Organic Chemistry, 2018, v. 2018, n. 40, p. 5538, doi. 10.1002/ejoc.201801075

By:

Stumpf, Tim‐daniel J.;
Steinbach, Manfred;
Höltke, Magdalene;
Heuger, Gerold;
Grasemann, Franka;
Fröhlich, Roland;
Schindler, Siegfried;
Göttlich, Richard

Publication type:

Article

Synthesis and Properties of Acridine and Acridinium Dye Functionalized Bis(terpyridine) Ruthenium(II) Complexes.

Published in:

European Journal of Organic Chemistry, 2018, v. 2018, n. 20/21, p. 2682, doi. 10.1002/ejoc.201800257

By:

Eberhard, Jens;
Peuntinger, Katrin;
Fröhlich, Roland;
Guldi, Dirk M.;
Mattay, Jochen

Publication type:

Article

Molybdenum Pentachloride Mediated Synthesis of Spirocyclic Compounds by Intramolecular Oxidative Coupling.

Published in:

European Journal of Organic Chemistry, 2016, v. 2016, n. 1, p. 60, doi. 10.1002/ejoc.201501384

By:

Schubert, Moritz;
Wehming, Kathrin;
Kehl, Anton;
Nieger, Martin;
Schnakenburg, Gregor;
Fröhlich, Roland;
Schollmeyer, Dieter;
Waldvogel, Siegfried R.

Publication type:

Article

Ring-Closing Metathesis of Vinyl Fluorides towards α-Fluorinated α,β-Unsaturated Lactams and Lactones.

Published in:

European Journal of Organic Chemistry, 2014, v. 2014, n. 26, p. 5777, doi. 10.1002/ejoc.201402535

By:

Marhold, Michael;
Stillig, Christian;
Fröhlich, Roland;
Haufe, Günter

Publication type:

Article

Isocyanide Cyclization Reactions: 4-Methylene-4 H-benzo[ d][1,3]oxazine, 3-Benzyl-4-methylene-3,4-dihydroquinazolines and 3-(4-Benzyl)-3 H-quinazolin-4-ones - Experiment and Theory.

Published in:

European Journal of Organic Chemistry, 2013, v. 2013, n. 22, p. 4944, doi. 10.1002/ejoc.201300293

By:

Neue, Benedikt;
Reiermann, Ralph;
Fröhlich, Roland;
Wibbeling, Birgit;
Bergander, Klaus;
Würthwein, Ernst‐Ulrich

Publication type:

Article

N-Acyl- and N-Sulfonylformamidines from Cyanamides and Carbodiimides by Hydroalumination and Subsequent Treatment with Electrophiles.

Published in:

European Journal of Organic Chemistry, 2013, v. 2013, n. 16, p. 3356, doi. 10.1002/ejoc.201300208

By:

Hellmann, Johannes;
Rhotert, Ines;
Westenberg, Hauke;
Fröhlich, Roland;
Wibbeling, Birgit;
Uhl, Werner;
Würthwein, Ernst‐Ulrich

Publication type:

Article

Tuning the Halide Affinity of Quinoline-Based Anion Receptors.

Published in:

European Journal of Organic Chemistry, 2013, v. 2013, n. 16, p. 3254, doi. 10.1002/ejoc.201201715

By:

Sun, Zhan‐Hu;
Albrecht, Markus;
Fröhlich, Roland

Publication type:

Article

Asymmetric Synthesis of Potent and Selective σ1 Receptor Ligands with Tetrahydro-3-benzazepine Scaffold.

Published in:

European Journal of Organic Chemistry, 2012, v. 2012, n. 30, p. 5980, doi. 10.1002/ejoc.201200927

By:

Sarkar, Soumya;
Schepmann, Dirk;
Köhler, Jens;
Fröhlich, Roland;
Wünsch, Bernhard

Publication type:

Article

2,6-Dimethoxyphenyl-Substituted N-Heterocyclic Carbenes (NHCs): A Family of Highly Electron-Rich Organocatalysts.

Published in:

European Journal of Organic Chemistry, 2012, v. 2012, n. 22, p. 4164, doi. 10.1002/ejoc.201200408

By:

Schedler, Michael;
Fröhlich, Roland;
Daniliuc, Constantin-G.;
Glorius, Frank

Publication type:

Article

[1,4]Dithiepino[2,3- b]furans from Oxiranecarbaldimines and Lithiated 1,3-Dithiane: A Series of Rearrangement Reactions in One Pot.

Published in:

European Journal of Organic Chemistry, 2012, v. 2012, n. 5, p. 960, doi. 10.1002/ejoc.201101323

By:

Michel, Kristin;
Glotzbach, Christoph;
Fröhlich, Roland;
Würthwein, Ernst-Ulrich

Publication type:

Article

A Family of Thiazolium Salt Derived N-Heterocyclic Carbenes (NHCs) for Organocatalysis: Synthesis, Investigation and Application in Cross-Benzoin Condensation.

Published in:

European Journal of Organic Chemistry, 2011, v. 2011, n. 28, p. 5475, doi. 10.1002/ejoc.201100870

By:

Piel, Isabel;
Pawelczyk, Marius D.;
Hirano, Keiichi;
Fröhlich, Roland;
Glorius, Frank

Publication type:

Article

Olefin-Oxazolines (OlefOx): Highly Modular, Easily Tunable Ligands for Asymmetric Catalysis.

Published in:

Angewandte Chemie International Edition, 2010, v. 49, n. 6, p. 1143, doi. 10.1002/anie.200905712

By:

Hahn, Björn T.;
Tewes, Friederike;
Fröhlich, Roland;
Glorius, Frank

Publication type:

Article

Total Synthesis and Absolute Configuration of the Guaiane Sesquiterpene Englerin A.

Published in:

Angewandte Chemie International Edition, 2009, v. 48, n. 48, p. 9105, doi. 10.1002/anie.200905032

By:

Willot, Matthieu;
Radtke, Lea;
Könning, Daniel;
Fröhlich, Roland;
Gessner, Viktoria H.;
Strohmann, Carsten;
Christmann, Mathias

Publication type:

Article

Reversible Metal-Free Carbon Dioxide Binding by Frustrated Lewis Pairs.

Published in:

Angewandte Chemie International Edition, 2009, v. 48, n. 36, p. 6643, doi. 10.1002/anie.200901636

By:

Mömming, Cornelia M.;
Otten, Edwin;
Kehr, Gerald;
Fröhlich, Roland;
Grimme, Stefan;
Stephan, Douglas W.;
Erker, Gerhard

Publication type:

Article

Cover Picture: Reversible Metal-Free Carbon Dioxide Binding by Frustrated Lewis Pairs (Angew. Chem. Int. Ed. 36/2009).

Published in:

Angewandte Chemie International Edition, 2009, v. 48, n. 36, p. 6563, doi. 10.1002/anie.200990186

By:

Mömming, Cornelia M.;
Otten, Edwin;
Kehr, Gerald;
Fröhlich, Roland;
Grimme, Stefan;
Stephan, Douglas W.;
Erker, Gerhard

Publication type:

Article

Stereoselective Palladium-Catalyzed Carboaminoxylations of Indoles with Arylboronic Acids and TEMPO.

Published in:

Angewandte Chemie International Edition, 2009, v. 48, n. 23, p. 4235, doi. 10.1002/anie.200901072

By:

Kirchberg, Sylvia;
Fröhlich, Roland;
Studer, Armido

Publication type:

Article

Formation of [Ph.

Published in:

Angewandte Chemie International Edition, 2009, v. 48, n. 2, p. 295, doi. 10.1002/anie.200804903

By:

Weigand, Jan J.;
Holthausen, Michael;
Fröhlich, Roland

Publication type:

Article

Proline-Catalyzed Highly Enantioselective and anti-Selective Mannich Reaction of Unactivated Ketones: Synthesis of Chiral α-Amino Acids.

Published in:

Angewandte Chemie International Edition, 2008, v. 47, n. 51, p. 9985, doi. 10.1002/anie.200803515

By:

Hahn, Björn T.;
Fröhlich, Roland;
Harms, Klaus;
Glorius, Frank

Publication type:

Article

Metal-Free Catalytic Hydrogenation of Enamines, Imines, and Conjugated Phosphinoalkenylboranes.

Published in:

Angewandte Chemie International Edition, 2008, v. 47, n. 39, p. 7543, doi. 10.1002/anie.200801432

By:

Spies, Patrick;
Schwendemann, Sina;
Lange, Stefanie;
Kehr, Gerald;
Fröhlich, Roland;
Erker, Gerhard

Publication type:

Article

Heterobimetallic Triple-Stranded Helicates with Directional Benzene- o-dithiol/Catechol Ligands.

Published in:

Angewandte Chemie International Edition, 2008, v. 47, n. 36, p. 6794, doi. 10.1002/anie.200801172

By:

Hahn, F. Ekkehardt;
Offermann, Martin;
Schulze Isfort, Christian;
Pape, Tania;
Fröhlich, Roland

Publication type:

Article

Five-Membered Metallacyclic Allenoids: Synthesis and Structure of Remarkably Stable Strongly Distorted Cyclic Allene Derivatives.

Published in:

Angewandte Chemie International Edition, 2008, v. 47, n. 14, p. 2622, doi. 10.1002/anie.200705615

By:

Ugolotti, Juri;
Dierker, Gereon;
Kehr, Gerald;
Fröhlich, Roland;
Grimme, Stefan;
Erker, Gerhard

Publication type:

Article

Asymmetric Total Synthesis and X-Ray Crystal Structure of the Cytotoxic Marine Diterpene (+)-Vigulariol.

Published in:

Angewandte Chemie International Edition, 2008, v. 47, n. 9, p. 1654, doi. 10.1002/anie.200704678

By:

Becker, Jochen;
Bergander, Klaus;
Fröhlich, Roland;
Hoppe, Dieter

Publication type:

Article

Amine-Catalyzed Cyclizations of Tethered α,β-Unsaturated Carbonyl Compounds.

Published in:

Angewandte Chemie International Edition, 2008, v. 47, n. 8, p. 1450, doi. 10.1002/anie.200704688

By:

de Figueiredo, Renata Marcia;
Fröhlich, Roland;
Christmann, Mathias

Publication type:

Article

Thiol-Catalyzed Stereoselective Transfer Hydroamination of Olefins with N-Aminated Dihydropyridines.

Published in:

Angewandte Chemie International Edition, 2008, v. 47, n. 4, p. 779, doi. 10.1002/anie.200703902

By:

Guin, Joyram;
Fröhlich, Roland;
Studer, Armido

Publication type:

Article

A 1,8-Naphthylene-Bridged Bis(indenyl)zinc THF Adduct: Formation and Structure of an ansa-Zincocene Derivative.

Published in:

Angewandte Chemie International Edition, 2007, v. 46, n. 26, p. 4905, doi. 10.1002/anie.200605069

By:

Wang, Huadong;
Kehr, Gerald;
Fröhlich, Roland;
Erker, Gerhard

Publication type:

Article

Carbanions with Two N Substituents: Nucleophilic Acyl-Group-Transfer Reagents.

Published in:

Angewandte Chemie International Edition, 2007, v. 46, n. 22, p. 4176, doi. 10.1002/anie.200700113

By:

Bojer, Daniel;
Kamps, Ina;
Tian, Xin;
Hepp, Alexander;
Pape, Tania;
Fröhlich, Roland;
Mitzel, Norbert W.

Publication type:

Article

Stereo- and Regiochemical Divergence in the Substitution of a Lithiated Alk-1-en-3-yn-2-yl Carbamate: Synthesis of Highly Enantioenriched Vinylallenes or Alk-3-en-5-yn-1-ols.

Published in:

Angewandte Chemie International Edition, 2007, v. 46, n. 17, p. 3131, doi. 10.1002/anie.200604978

By:

Bou Chedid, Roland;
Brümmer, Michael;
Wibbeling, Birgit;
Fröhlich, Roland;
Hoppe, Dieter

Publication type:

Article

Efficient Synthesis and Resolution of Pyrrolizidines.

Published in:

Angewandte Chemie International Edition, 2007, v. 46, n. 16, p. 2883, doi. 10.1002/anie.200605035

By:

de Figueiredo, Renata Marcia;
Fröhlich, Roland;
Christmann, Mathias

Publication type:

Article

Estimation of the Kinetic Acidity from Substrate Conformation-Stereochemical Course of the Deprotonation of Cyclohexenyl Carbamates.

Published in:

Angewandte Chemie International Edition, 2007, v. 46, n. 10, p. 1645, doi. 10.1002/anie.200603347

By:

Becker, Jochen;
Grimme, Stefan;
Fröhlich, Roland;
Hoppe, Dieter

Publication type:

Article

Formation of an Organometallic Ladderane Derivative by Dynamic Topochemical Reaction Control.

Published in:

Angewandte Chemie International Edition, 2006, v. 45, n. 45, p. 7630, doi. 10.1002/anie.200601592

By:

Paradies, Jan;
Greger, Ingo;
Kehr, Gerald;
Erker, Gerhard;
Bergander, Klaus;
Fröhlich, Roland

Publication type:

Article