Works matching DE "ENANTIOMERIC purity"

Results: 711

Rhodium‐Catalyzed Atroposelective Synthesis of Axially Chiral 1‐Aryl Isoquinolines via De Novo Isoquinoline Formation.

Published in:

Angewandte Chemie, 2025, v. 137, n. 24, p. 1, doi. 10.1002/ange.202502131

By:

Gou, Bo‐Bo;
Shen, Wen‐Jie;
Gao, Yuan‐Jun;
Gu, Qing;
You, Shu‐Li

Publication type:

Article

Cobalt‐Catalyzed Enantioselective Hydrotrifluoromethoxylation of Aromatic Alkenes.

Published in:

Angewandte Chemie, 2025, v. 137, n. 24, p. 1, doi. 10.1002/ange.202501680

By:

Si, Yafeng;
Liu, Yuntao;
Zhou, Fan;
Fang, Lei;
Wu, Kang;
Luan, Yu‐Xin;
Chen, Li;
Tang, Pingping

Publication type:

Article

Controlling the Chirality of Metallo‐Cages by Manipulating the Stereochemistry of the Metal Centers.

Published in:

Angewandte Chemie, 2025, v. 137, n. 23, p. 1, doi. 10.1002/ange.202503833

By:

Li, Yu‐Qing;
Fu, Lei;
Jiang, Zhiyuan;
Han, Ermeng;
Li, Tian;
Bai, Qixia;
Xie, Ting‐Zheng;
Zhang, Zhe;
Wang, Pingshan;
Wu, Tun

Publication type:

Article

Access to Chiral O,O‐Acetals Enabled by Palladium‐Catalyzed Asymmetric Addition of Oximes to Alkoxyallenes.

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 65, p. 1, doi. 10.1002/chem.202301883

By:

Xu, Zhuo‐Wei;
Wang, Shaozhong

Publication type:

Article

Probing Interactions between Chiral Plasmonic Nanoparticles and Biomolecules.

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 62, p. 1, doi. 10.1002/chem.202301691

By:

Tadgell, Ben;
Liz‐Marzán, Luis M.

Publication type:

Article

Unprecedented Direct Asymmetric Total Syntheses of 5,8'‐Naphthylisoquinoline Alkaloids from their Fully Substituted Precursors Employing a Novel Nickel/N,N‐ligand‐Catalyzed Atroposelective Cross‐Coupling Reaction.

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 61, p. 1, doi. 10.1002/chem.202302070

By:

Berthold, Dino;
van Otterlo, Willem A. L.

Publication type:

Article

Heterocyclic Merging of Stereochemically Diverse Chiral Piperazines and Morpholines with Indazoles.

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 55, p. 1, doi. 10.1002/chem.202301888

By:

Viveki, Amol B.;
Mansfield, Timothy M.;
Tran, Kevin A.;
Lenkeit, Evan;
MacKenzie, Kevin R.;
Young, Damian W.;
Chamakuri, Srinivas

Publication type:

Article

Enantio‐ and Diastereomerically Pure Titanocenes by Dynamic Conformational Locking.

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 48, p. 1, doi. 10.1002/chem.202301645

By:

Hilche, Tobias;
Krebs, Tim;
Weißbarth, Hendrik;
Lang, Fabian;
Schnakenburg, Gregor;
Gansäuer, Andreas

Publication type:

Article

Enantioselective Sequential Catalytic Arylation‐Fukuyama Cross‐coupling of 1,1‐Biszincioalkane Linchpins.

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 36, p. 1, doi. 10.1002/chem.202301084

By:

Banchini, Federico;
Leroux, Baptiste;
Le Gall, Erwan;
Presset, Marc;
Jackowski, Olivier;
Chemla, Fabrice;
Perez‐Luna, Alejandro

Publication type:

Article

Synthesis of Two Novel Optically Active #‐Shaped Cyclic Tetramers Based on Planar Chiral [2.2]Paracyclophanes.

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 18, p. 1, doi. 10.1002/chem.202203533

By:

Morisaki, Aoi;
Inoue, Ryo;
Morisaki, Yasuhiro

Publication type:

Article

Fast and Cost‐Efficient 17O‐Isotopic Labeling of Carboxylic Groups in Biomolecules: From Free Amino Acids to Peptide Chains.

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 10, p. 1, doi. 10.1002/chem.202203014

By:

Špačková, Jessica;
Goldberga, Ieva;
Yadav, Rishit;
Cazals, Guillaume;
Lebrun, Aurélien;
Verdié, Pascal;
Métro, Thomas‐Xavier;
Laurencin, Danielle

Publication type:

Article

Access to Enantiomerically Pure P‐Stereogenic Primary Aminophosphine Sulfides under Reductive Conditions.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 72, p. 1, doi. 10.1002/chem.202202608

By:

Huber, Tanja;
Espinosa‐Jalapa, Noel Angel;
Bauer, Jonathan O.

Publication type:

Article

Towards Substrate–Reagent Interaction of Lochmann–Schlosser Bases in THF: Bridging THF Hides Potential Reaction Site of a Chiral Superbase.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 69, p. 1, doi. 10.1002/chem.202202660

By:

Brieger, Lukas;
Schrimpf, Tobias;
Scheel, Rebecca;
Unkelbach, Christian;
Strohmann, Carsten

Publication type:

Article

Enantiospecific Syntheses of Congested Atropisomers through Chiral Bis(aryne) Synthetic Equivalents.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 68, p. 1, doi. 10.1002/chem.202202473

By:

Dauvergne, Guillaume;
Naubron, Jean‐Valère;
Giorgi, Michel;
Bugaut, Xavier;
Rodriguez, Jean;
Carissan, Yannick;
Coquerel, Yoann

Publication type:

Article

Synthesis of Enantioenriched Sulfoxides by an Oxidation‐Reduction Enzymatic Cascade.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 61, p. 1, doi. 10.1002/chem.202201997

By:

Wang, Peipei;
Han, Xiaofeng;
Liu, Xinqi;
Lin, Richen;
Chen, Yongzheng;
Sun, Zhoutong;
Zhang, Wuyuan

Publication type:

Article

Asymmetric Alkylation of Cyclic Ketones with Dehydroalanine via H‐Bond‐Directing Enamine Catalysis: Straightforward Access to Enantiopure Unnatural α‐Amino Acids.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 57, p. 1, doi. 10.1002/chem.202201994

By:

Retini, Michele;
Bartolucci, Silvia;
Bartoccini, Francesca;
Piersanti, Giovanni

Publication type:

Article

Asymmetric 1,2‐Carbamoyl Rearrangement of Lithiated Chiral Oxazolidine Carbamates and Diastereoselective Synthesis of α‐Hydroxy Amides.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 43, p. 1, doi. 10.1002/chem.202200941

By:

Ghosh, Arun K.;
Basu, Amartyo J.;
Hsu, Che‐Sheng;
Yadav, Monika

Publication type:

Article

Direct and Asymmetric Aldol Reactions of N‐Azidoacetyl‐1,3‐thiazolidine‐2‐thione Catalyzed by Chiral Nickel(II) Complexes. A New Approach to the Synthesis of β‐Hydroxy‐α‐Amino Acids.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 38, p. 1, doi. 10.1002/chem.202200671

By:

Teloxa, Saul F.;
Mellado‐Hidalgo, Miguel;
Kennington, Stuart C. D.;
Romea, Pedro;
Urpí, Fèlix;
Aullón, Gabriel;
Font‐Bardia, Mercè

Publication type:

Article

Photochemical Deracemization of a Medicinally‐Relevant Benzopyran using an Oscillatory Flow Reactor.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 29, p. 1, doi. 10.1002/chem.202200741

By:

Williams, Jason D.;
Pöchlauer, Peter;
Okumura, Yoshiyuki;
Inami, Yukari;
Kappe, C. Oliver

Publication type:

Article

Breaking Symmetry Relaxes Structural and Magnetic Restraints, Suppressing QTM in Enantiopure Butterfly Fe2Dy2 SMMs**.

Published in:

Chemistry - A European Journal, 2021, v. 27, n. 61, p. 15102, doi. 10.1002/chem.202103360

By:

Baniodeh, Amer;
Wagner, Danny;
Peng, Yan;
Kaemmerer, Hagen;
Leblanc, Nicolas;
Bräse, Stefan;
Naubron, Jean‐Valére;
Anson, Christopher E.;
Powell, Annie K.

Publication type:

Article

Chiral Resolution of Spin‐Crossover Active Iron(II) [2x2] Grid Complexes.

Published in:

Chemistry - A European Journal, 2021, v. 27, n. 61, p. 15171, doi. 10.1002/chem.202101432

By:

Suryadevara, Nithin;
Pausch, Ansgar;
Moreno‐Pineda, Eufemio;
Mizuno, Asato;
Bürck, Jochen;
Baksi, Ananya;
Hochdörffer, Tim;
Šalitroš, Ivan;
Ulrich, Anne S.;
Kappes, Manfred M.;
Schünemann, Volker;
Klopper, Wim;
Ruben, Mario

Publication type:

Article

Single‐Point Mutant Inverts the Stereoselectivity of a Carbonyl Reductase toward β‐Ketoesters with Enhanced Activity.

Published in:

Chemistry - A European Journal, 2021, v. 27, n. 20, p. 6283, doi. 10.1002/chem.202005195

By:

Li, Aipeng;
Wang, Ting;
Tian, Qing;
Yang, Xiaohong;
Yin, Dongming;
Qin, Yong;
Zhang, Lianbing

Publication type:

Article

Easy Access to Enantiomerically Pure Heterocyclic Silicon‐Chiral Phosphonium Cations and the Matched/Mismatched Case of Dihydrogen Release.

Published in:

Chemistry - A European Journal, 2021, v. 27, n. 8, p. 2649, doi. 10.1002/chem.202005171

By:

Fontana, Nicolò;
Espinosa‐Jalapa, Noel Angel;
Seidl, Michael;
Bauer, Jonathan O.

Publication type:

Article

Enantiomerically Pure Constrained Geometry Complexes of the Rare‐Earth Metals Featuring a Dianionic N‐Donor Functionalised Pentadienyl Ligand: Synthesis and Characterisation.

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 68, p. 16098, doi. 10.1002/chem.202003170

By:

Münster, Katharina;
Fecker, Ann Christin;
Raeder, Jan;
Freytag, Matthias;
Jones, Peter G.;
Walter, Marc D.

Publication type:

Article

Direct, Enantioselective, and Nickel(II) Catalyzed Reactions of N‐Azidoacetyl Thioimides with Trimethyl Orthoformate: A New Combined Methodology for the Rapid Synthesis of Lacosamide and Derivatives.

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 50, p. 11540, doi. 10.1002/chem.202001057

By:

Teloxa, Saul F.;
Kennington, Stuart C. D.;
Camats, Marc;
Romea, Pedro;
Urpí, Fèlix;
Aullón, Gabriel;
Font‐Bardia, Mercè

Publication type:

Article

Cover Feature: Enantiomerically Pure Tetravalent Neptunium Amidinates: Synthesis and Characterization (Chem. Eur. J. 41/2020).

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 41, p. 8832, doi. 10.1002/chem.202003032

By:

Fichter, Sebastian;
Kaufmann, Sebastian;
Kaden, Peter;
Brunner, Tobias S.;
Stumpf, Thorsten;
Roesky, Peter W.;
März, Juliane

Publication type:

Article

Enantiomerically Pure Tetravalent Neptunium Amidinates: Synthesis and Characterization.

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 41, p. 8867, doi. 10.1002/chem.202001865

By:

Fichter, Sebastian;
Kaufmann, Sebastian;
Kaden, Peter;
Brunner, Tobias S.;
Stumpf, Thorsten;
Roesky, Peter W.;
März, Juliane

Publication type:

Article

Pyrrole‐Protected β‐Aminoalkylzinc Reagents for the Enantioselective Synthesis of Amino‐Derivatives.

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 41, p. 8951, doi. 10.1002/chem.202000870

By:

Leroux, Marcel;
Huang, Wan‐Yun;
Lemke, Yannick;
Koller, Thaddäus J.;
Karaghiosoff, Konstantin;
Knochel, Paul

Publication type:

Article

Sterubin: Enantioresolution and Configurational Stability, Enantiomeric Purity in Nature, and Neuroprotective Activity in Vitro and in Vivo.

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 32, p. 7299, doi. 10.1002/chem.202001264

By:

Hofmann, Julian;
Fayez, Shaimaa;
Scheiner, Matthias;
Hoffmann, Matthias;
Oerter, Sabrina;
Appelt‐Menzel, Antje;
Maher, Pamela;
Maurice, Tangui;
Bringmann, Gerhard;
Decker, Michael

Publication type:

Article

Stereospecific Synthesis and Photophysical Properties of Propeller‐Shaped C90H48 PAH.

Published in:

Chemistry - A European Journal, 2019, v. 25, n. 71, p. 16241, doi. 10.1002/chem.201904962

By:

Zhang, Fangyuan;
Michail, Evripidis;
Saal, Fridolin;
Krause, Ana‐Maria;
Ravat, Prince

Publication type:

Article

Efficient Synthesis of Cyclic Sulfoximines from N‐Propargylsulfinamides through Sulfur–Carbon Bond Formation.

Published in:

Chemistry - A European Journal, 2019, v. 25, n. 69, p. 15755, doi. 10.1002/chem.201904501

By:

Aota, Yusuke;
Maeda, Yoshiaki;
Kano, Taichi;
Maruoka, Keiji

Publication type:

Article

Changes in the Enantiomeric Composition of Chiral Mixtures Upon Adsorption on a Non-Chiral Surface.

Published in:

Angewandte Chemie, 2016, v. 128, n. 21, p. 6333, doi. 10.1002/ange.201601549

By:

Karakalos, Stavros;
Hong, Junghyun;
Zaera, Francisco

Publication type:

Article

Zurückziehung: A Mechanochemical Approach to Deracemization.

Published in:

Angewandte Chemie, 2015, v. 127, n. 3, p. 730, doi. 10.1002/ange.201410475

By:

Wiggins, Kelly M.;
Bielawski, Christopher W.

Publication type:

Article

Highly Diastereo- and Enantioselective Silver-Catalyzed Double [3+2] Cyclization of α-Imino Esters with Isocyanoacetate.

Published in:

Angewandte Chemie, 2014, v. 126, n. 21, p. 5539, doi. 10.1002/ange.201402788

By:

Shao, Pan ‐ Lin;
Liao, Jia ‐ Yu;
Ho, Yee Ann;
Zhao, Yu

Publication type:

Article

Asymmetric Hydrogenation of Maleic Acid Diesters and Anhydrides.

Published in:

Angewandte Chemie, 2014, v. 126, n. 21, p. 5489, doi. 10.1002/ange.201402034

By:

Bernasconi, Maurizio;
Müller, Marc ‐ André;
Pfaltz, Andreas

Publication type:

Article

Catalytic Asymmetric Tamura Cycloadditions.

Published in:

Angewandte Chemie, 2014, v. 126, n. 10, p. 2666, doi. 10.1002/ange.201309297

By:

Manoni, Francesco;
Connon, Stephen J.

Publication type:

Article

Stereochemical aspects in the synthesis of novel N-(purin-6-yl)dipeptides as potential antimycobacterial agents.

Published in:

Amino Acids, 2021, v. 53, n. 3, p. 407, doi. 10.1007/s00726-021-02958-0

By:

Musiyak, Vera V.;
Nizova, Irina A.;
Chulakov, Evgeny N.;
Sadretdinova, Liliya Sh.;
Tumashov, Andrey A.;
Levit, Galina L.;
Krasnov, Victor P.

Publication type:

Article

In search for structural targets for engineering D-amino acid transaminase: modulation of pH optimum and substrate specificity.

Published in:

Biochemical Journal, 2023, v. 480, n. 16, p. 1267, doi. 10.1042/BCJ20230233

By:

Shilova, Sofia A.;
Matyuta, Ilya O.;
Khrenova, Maria G.;
Nikolaeva, Alena Y.;
Klyachko, Natalia L.;
Minyaev, Mikhail E.;
Khomutov, Alex R.;
Boyko, Konstantin M.;
Popov, Vladimir O.;
Bezsudnova, Ekaterina Yu.

Publication type:

Article

Improving the Current European Pharmacopoeia Enantio-Selective HPLC Method for the Determination of Enantiomeric Purity in Atorvastatin Calcium Salt Drug Substance.

Published in:

Separations (2297-8739), 2024, v. 11, n. 5, p. 154, doi. 10.3390/separations11050154

By:

Mammone, Francesca Romana;
Sadutto, Daniele;
D'Ettorre, Giulia;
Mosca, Antonina;
Cirilli, Roberto

Publication type:

Article

The Essential Oil from the Roots of Valeriana rigida Ruiz & Pav. Growing in the Paramos of Chimborazo (Ecuador): Chemical Analysis, Enantioselective Profile, and Preliminary Biological Activity.

Published in:

Plants (2223-7747), 2025, v. 14, n. 7, p. 1062, doi. 10.3390/plants14071062

By:

Flores, Linda M.;
Vinueza, Diego R.;
Gilardoni, Gianluca;
Mota, Antonio J.;
Malagón, Omar

Publication type:

Article

Gynoxys hallii Hieron., Gynoxys calyculisolvens Hieron., and Gynoxys azuayensis Cuatrec. Essential Oils—Chemical and Enantioselective Analyses of Three Unprecedented Volatile Fractions from the Ecuadorian Biodiversity.

Published in:

Plants (2223-7747), 2025, v. 14, n. 5, p. 659, doi. 10.3390/plants14050659

By:

Maldonado, Yessenia E.;
Rodríguez, María del Carmen;
Bustamante, María Emilia;
Cuenca, Stefanny;
Malagón, Omar;
Cumbicus, Nixon;
Gilardoni, Gianluca

Publication type:

Article

Gynoxys reinaldii Cuatrec. and Gynoxys pulchella (Kunth) Cass.: Chemical and Enantioselective Analyses of Two Unprecedented Essential Oils from Ecuador.

Published in:

Plants (2223-7747), 2024, v. 13, n. 24, p. 3543, doi. 10.3390/plants13243543

By:

Maldonado, Yessenia E.;
Rodríguez, María del Carmen;
Calvopiña, Karyna;
Malagón, Omar;
Cumbicus, Nixon;
Gilardoni, Gianluca

Publication type:

Article

Volatile Distribution in Flowers of Lathyrus odoratus L. by HS-SPME-GC Technique and Enantiomeric Separation Data.

Published in:

Plants (2223-7747), 2024, v. 13, n. 23, p. 3272, doi. 10.3390/plants13233272

By:

Calva, James;
Parra, Mayerly;
Benítez, Ángel

Publication type:

Article

A New Essential Oil from the Native Andean Species Nectandra laurel Klotzsch ex Nees of Southern Ecuador: Chemical and Enantioselective Analyses.

Published in:

Plants (2223-7747), 2023, v. 12, n. 18, p. 3331, doi. 10.3390/plants12183331

By:

Gilardoni, Gianluca;
Enríquez, Aníbal A.;
Maldonado, Yessenia E.;
Cumbicus, Nixon;
Malagón, Omar

Publication type:

Article

A New Leaf Essential Oil from Endemic Gynoxys laurifolia (Kunth) Cass. of Southern Ecuador: Chemical and Enantioselective Analyses.

Published in:

Plants (2223-7747), 2023, v. 12, n. 15, p. 2878, doi. 10.3390/plants12152878

By:

Gilardoni, Gianluca;
Lara, Luis Rubén;
Cumbicus, Nixon;
Malagón, Omar

Publication type:

Article

Chemical Constituents, Enantiomer Content, Antioxidant and Anticholinesterase Activities of Valeriana microphylla Kunth Essential Oil.

Published in:

Plants (2223-7747), 2023, v. 12, n. 11, p. 2155, doi. 10.3390/plants12112155

By:

Aguilar, Gabriela;
Calva, James;
Cartuche, Luis;
Salinas, Melissa;
Armijos, Chabaco

Publication type:

Article

The Leaf Essential Oil of Gynoxys buxifolia (Kunth) Cass. (Asteraceae): A Good Source of Furanoeremophilane and Bakkenolide A.

Published in:

Plants (2223-7747), 2023, v. 12, n. 6, p. 1323, doi. 10.3390/plants12061323

By:

Cumbicus, Carolina;
Malagón, Omar;
Cumbicus, Nixon;
Gilardoni, Gianluca

Publication type:

Article

Essential Oil and Non-Volatile Metabolites from Kaunia longipetiolata (Sch.Bip. ex Rusby) R. M. King and H. Rob., an Andean Plant Native to Southern Ecuador.

Published in:

Plants (2223-7747), 2022, v. 11, n. 21, p. 2972, doi. 10.3390/plants11212972

By:

Malagón, Omar;
Bravo, Cinthia;
Vidari, Giovanni;
Cumbicus, Nixon;
Gilardoni, Gianluca

Publication type:

Article

Chemical and Enantioselective Analysis of the Essential Oils from Different Morphological Structures of Ocotea quixos (Lam.) Kosterm.

Published in:

Plants (2223-7747), 2021, v. 10, n. 10, p. 2171, doi. 10.3390/plants10102171

By:

Gilardoni, Gianluca;
Montalván, Mayra;
Vélez, Marjorie;
Malagón, Omar

Publication type:

Article

A New Sesquiterpene Essential Oil from the Native Andean Species Jungia rugosa Less (Asteraceae): Chemical Analysis, Enantiomeric Evaluation, and Cholinergic Activity.

Published in:

Plants (2223-7747), 2021, v. 10, n. 10, p. 2102, doi. 10.3390/plants10102102

By:

Calvopiña, Karyna;
Malagón, Omar;
Capetti, Francesca;
Sgorbini, Barbara;
Verdugo, Verónica;
Gilardoni, Gianluca

Publication type:

Article