Works matching DE "CINCHONA alkaloids"

Results: 216

Synthesis of β‐Hydroxy‐α,α‐Dimethyl Carboxylic Esters via Asymmetric Barbier Reaction.

Published in:

European Journal of Organic Chemistry, 2025, v. 28, n. 19, p. 1, doi. 10.1002/ejoc.202500025

By:

Grammel, Jan;
Amrouch, Jasmina;
Frey, Wolfgang;
Zens, Anna;
Laschat, Sabine

Publication type:

Article

A Synthetic Strategy for Cofacial Porphyrin‐Based Homo‐ and Heterobimetallic Complexes.

Published in:

Chemistry - A European Journal, 2021, v. 27, n. 9, p. 3047, doi. 10.1002/chem.202002394

By:

Schissler, Christoph;
Schneider, Erik K.;
Felker, Benjamin;
Weis, Patrick;
Nieger, Martin;
Kappes, Manfred M.;
Bräse, Stefan

Publication type:

Article

Insights on the Pseudo‐Enantiomeric Properties of Bifunctional Cinchona Alkaloid Squaramide‐Derived Organocatalyst.

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 67, p. 15727, doi. 10.1002/chem.202004117

By:

Ričko, Sebastijan;
Izzo, Joseph A.;
Jørgensen, Karl Anker

Publication type:

Article

Discovery and Application of Doubly Quaternized Cinchona-Alkaloid-Based Phase-Transfer Catalysts.

Published in:

Angewandte Chemie, 2014, v. 126, n. 32, p. 8515, doi. 10.1002/ange.201404084

By:

Xiang, Bangping;
Belyk, Kevin M.;
Reamer, Robert A.;
Yasuda, Nobuyoshi

Publication type:

Article

Direct Asymmetric Mannich-Type Reaction of α-Isocyanoacetates with Ketimines using Cinchona Alkaloid/Copper(II) Catalysts.

Published in:

Angewandte Chemie, 2014, v. 126, n. 32, p. 8551, doi. 10.1002/ange.201404629

By:

Hayashi, Masashi;
Iwanaga, Masaru;
Shiomi, Noriyuki;
Nakane, Daisuke;
Masuda, Hideki;
Nakamura, Shuichi

Publication type:

Article

Highly Diastereodivergent Synthesis of Tetrasubstituted Cyclohexanes Catalyzed by Modularly Designed Organocatalysts.

Published in:

Angewandte Chemie, 2014, v. 126, n. 29, p. 7749, doi. 10.1002/ange.201404072

By:

Rana, Nirmal K.;
Huang, Huicai;
Zhao, John C. ‐ G.

Publication type:

Article

Construction of Enantiomerically Enriched Diazo Compounds Using Diazo Esters as Nucleophiles: Chiral Lewis Base Catalysis.

Published in:

Angewandte Chemie, 2013, v. 125, n. 24, p. 6408, doi. 10.1002/ange.201301509

By:

Mao, Haibin;
Lin, Aijun;
Shi, Yan;
Mao, Zhijie;
Zhu, Xuebin;
Li, Weipeng;
Hu, Hongwen;
Cheng, Yixiang;
Zhu, Chengjian

Publication type:

Article

Intrarectal pharmacokinetics of two formulations of quinine in children with falciparum malaria.

Published in:

European Journal of Clinical Pharmacology, 2003, v. 58, n. 10, p. 649, doi. 10.1007/s00228-002-0546-2

By:

Barennes, H.;
Sterlingot, H.;
Nagot, N.;
Meda, H.;
Kaboré, M.;
Sanou, M.;
Nacro, B.;
Bourée, P.;
Pussard, E.

Publication type:

Article

High-performance liquid chromatographic separation of unusual β-amino acid enantiomers in different chromatographic modes on Cinchona alkaloid-based zwitterionic chiral stationary phases.

Published in:

Amino Acids, 2015, v. 47, n. 11, p. 2279, doi. 10.1007/s00726-015-2006-1

By:

Ilisz, István;
Grecsó, Nóra;
Papoušek, Roman;
Pataj, Zoltán;
Barták, Petr;
Lázár, László;
Fülöp, Ferenc;
Lindner, Wolfgang;
Péter, Antal

Publication type:

Article

New thienofluoroanthenes as building blocks for optoelectronic applications.

Published in:

Doklady Chemistry, 2015, v. 461, n. 1, p. 75, doi. 10.1134/S0012500815030040

By:

Keshtov, M.;
Godovsky, D.;
Kuklin, S.;
Zou, Y.;
Chen, F.;
Khokhlov, A.

Publication type:

Article

Development and Validation of an Ion-Pair HPLC-UV Method for the Quantitation of Quinoline and Indoloquinoline Alkaloids in Herbal and Pharmaceutical Antimalarial Formulations.

Published in:

Journal of Chemistry, 2022, p. 1, doi. 10.1155/2022/4625954

By:

Bekoe, Samuel Oppong;
Orman, Emmanuel;
Adjabui, Samuel Awenteka;
Brobbey, Abena Amponsaa;
Oppong-Kyekyeku, James;
Opuni, Kwabena Frimpong-Manso;
Kuntworbe, Noble;
Asare-Nkansah, Samuel

Publication type:

Article

Synthesis and Application of Polystyrene Nanospheres Supported Platinum Catalysts in Enantioselective Hydrogenations.

Published in:

Catalysis Letters, 2011, v. 141, n. 10, p. 1435, doi. 10.1007/s10562-011-0672-5

By:

Török, Béla;
Kulkarni, Aditya;
DeSousa, Ryan;
Satuluri, Kalyani;
Török, Marianna;
Prakash, G.

Publication type:

Article

Construction of Adjacent Quaternary and Tertiary Stereocenters by Conjugate Addition Using Polymer-Supported Cinchona Alkaloids as Catalysts.

Published in:

Catalysis Letters, 2011, v. 141, n. 3, p. 481, doi. 10.1007/s10562-010-0509-7

By:

Qin, Yanyan;
Yang, Gengxu;
Yang, Lili;
Li, Jia;
Cui, Yuanchen

Publication type:

Article

Novel Primary Amine Organocatalysts Derived from Cinchona Alkaloids for Asymmetric Direct Aldol Reactions in Brine.

Published in:

Catalysis Letters, 2011, v. 141, n. 1, p. 191, doi. 10.1007/s10562-010-0478-x

By:

Huang, Wen-Bo;
Liu, Qing-Wen;
Zheng, Liang-Yu;
Zhang, Suo-Qin

Publication type:

Article

Enantioselective Hydrogenation of Trifluoromethylcyclohexyl Ketone on Cinchona Alkaloid Modified Pt-Alumina Catalyst.

Published in:

Catalysis Letters, 2004, v. 97, n. 1/2, p. 65

By:

Felföldi, Károly;
Varga, Tibor;
Forgó, Péter;
Bartók, Mihály

Publication type:

Article

Coadsorption of Cinchona Alkaloids on Supported Palladium: Nonlinear Effects in Asymmetric Hydrogenation and Resistance of Alkaloids Against Hydrogenation.

Published in:

Catalysis Letters, 2003, v. 87, n. 3/4, p. 241, doi. 10.1023/A:1023467928281

By:

Huck, W.-R.;
Mallat, T.;
Baiker, A.

Publication type:

Article

Design and evaluation of selective butyrylcholinesterase inhibitors based on Cinchona alkaloid scaffold.

Published in:

PLoS ONE, 2018, v. 13, n. 10, p. 1, doi. 10.1371/journal.pone.0205193

By:

Bosak, Anita;
Ramić, Alma;
Šmidlehner, Tamara;
Hrenar, Tomica;
Primožič, Ines;
Kovarik, Zrinka

Publication type:

Article

Asymmetric Synthesis of α‐Amino Phosphonates by Using Cinchona Alkaloid‐Based Chiral Phase Transfer Catalyst.

Published in:

European Journal of Organic Chemistry, 2018, v. 2018, n. 39, p. 5422, doi. 10.1002/ejoc.201801013

By:

Li, Weihua;
Wang, Yifeng;
Xu, Danqian

Publication type:

Article

Temperature‐Dependent Cinchona Alkaloid Squaramide‐Catalyzed Asymmetric Formal [3+2] Cycloaddition of Isocyanoacetates with β‐Trifluoromethylated Enones.

Published in:

European Journal of Organic Chemistry, 2018, v. 2018, n. 29, p. 3997, doi. 10.1002/ejoc.201800511

By:

Zhao, Mei‐Xin;
Zhu, Guang‐Yu;
Zhu, Hui‐Kai;
Zhao, Xiao‐Li;
Ji, Ming;
Shi, Min

Publication type:

Article

Enantiomeric Catalytic Formal Thiolation of 2,5-Dimethyl-3-[1-(arylsulfonyl)alkyl]pyrroles in an Oil/Water Biphasic System.

Published in:

European Journal of Organic Chemistry, 2016, v. 2016, n. 35, p. 5826, doi. 10.1002/ejoc.201601180

By:

Chen, Ping;
Yang, Qin;
Lu, Shengmei;
Wang, Peng;
Liu, Yan;
Li, Can

Publication type:

Article

A Concise Organocatalytic Synthesis of 3-Deoxy-2-ulosonic Acids through Cinchona-Alkaloid-Promoted Aldol Reactions of Pyruvate.

Published in:

European Journal of Organic Chemistry, 2016, v. 2016, n. 25, p. 4394, doi. 10.1002/ejoc.201600784

By:

Molenda, Marta A.;
Baś, Sebastian;
Mlynarski, Jacek

Publication type:

Article

Quinidine-Catalysed Enantioselective Synthesis of 6- and 4-Trifluoromethyl-Substituted Dihydropyrans.

Published in:

European Journal of Organic Chemistry, 2016, v. 2016, n. 21, p. 3619, doi. 10.1002/ejoc.201600583

By:

Kasten, Kevin;
Cordes, David B.;
Slawin, Alexandra M. Z.;
Smith, Andrew D.

Publication type:

Article

An Acid/Base-Regulated Recyclable Strategy for Homogeneous Cinchona Alkaloid-Derived Primary Amine Organocatalysts in Aldol, Vinylogous Michael and Double-Michael Cascade Reactions.

Published in:

European Journal of Organic Chemistry, 2015, v. 2015, n. 26, p. 5755, doi. 10.1002/ejoc.201500566

By:

Wan, Jingwei;
Zhao, Zhiwei;
Wang, Falu;
Ma, Xuebing

Publication type:

Article

Neocryptolepine (Cryprotackieine), A Unique Bioactive Natural Product: Isolation, Synthesis, and Profile of Its Biological Activity.

Published in:

European Journal of Organic Chemistry, 2014, v. 2014, n. 36, p. 7979, doi. 10.1002/ejoc.201402910

By:

Bracca, Andrea B. J.;
Heredia, Daniel A.;
Larghi, Enrique L.;
Kaufman, Teodoro S.

Publication type:

Article

Organocatalyzed Asymmetric 1,4-Addition of Azlactones to α,β-Unsaturated Trichloromethyl Ketones: Synthesis of α,α-Disubstituted α-Amino Acid Derivatives.

Published in:

European Journal of Organic Chemistry, 2014, v. 2014, n. 32, p. 7104, doi. 10.1002/ejoc.201403158

By:

Zhang, Jinlong;
Liu, Xihong;
Wu, Chongyang;
Zhang, Panpan;
Chen, Jianbo;
Wang, Rui

Publication type:

Article

Asymmetric Organocatalytic Protonation of Silyl Enolates Catalyzed by Simple and Original Betaines Derived from Cinchona Alkaloids.

Published in:

European Journal of Organic Chemistry, 2013, v. 2013, n. 34, p. 7693, doi. 10.1002/ejoc.201301345

By:

Claraz, Aurélie;
Landelle, Grégory;
Oudeyer, Sylvain;
Levacher, Vincent

Publication type:

Article

Organocatalytic Asymmetric Allylic Alkylation of Morita-Baylis-Hillman Carbonates with Phosphorus Ylides: Synthesis of Chiral 3-Substituted 2,4-Functionalized 1,4-Pentadienes.

Published in:

European Journal of Organic Chemistry, 2013, v. 2013, n. 28, p. 6241, doi. 10.1002/ejoc.201300738

By:

Lin, Aijun;
Wang, Junying;
Mao, Haibin;
Shi, Yan;
Mao, Zhijie;
Zhu, Chengjian

Publication type:

Article

N, N-dimethyltryptamine forms oxygenated metabolites via CYP2D6 - an in vitro investigation.

Published in:

Xenobiotica, 2023, v. 53, n. 8/9, p. 515, doi. 10.1080/00498254.2023.2278488

By:

Eckernäs, Emma;
Macan-Schönleben, Alicia;
Andresen-Bergström, Moa;
Birgersson, Sofia;
Hoffmann, Kurt-Jürgen;
Ashton, Michael

Publication type:

Article

Pirfenidone 5-hydroxylation is mainly catalysed by CYP1A2 and partly catalysed by CYP2C19 and CYP2D6 in the human liver.

Published in:

Xenobiotica, 2021, v. 51, n. 12, p. 1352, doi. 10.1080/00498254.2021.2007553

By:

Zhang, Yongjie;
Sato, Rei;
Fukami, Tatsuki;
Nakano, Masataka;
Nakajima, Miki

Publication type:

Article

Inhibitory effect of ketoconazole, quinidine and 1-aminobenzotriazole on pharmacokinetics of l-tetrahydropalmatine and its metabolite in rats.

Published in:

Xenobiotica, 2021, v. 51, n. 4, p. 447, doi. 10.1080/00498254.2020.1867928

By:

Xiao, Weibin;
Deng, Zhirong;
Lai, Chongfa;
Lu, Haoyang;
Huang, Mutu;
Wen, Yuguan;
Shi, Lei

Publication type:

Article

Adriatic NMR Conference 2020.

Published in:

Croatica Chemica Acta, 2021, v. 93, n. 2, p. 157, doi. 10.5562/adriaticnmr2020

By:

Novak, Predrag

Publication type:

Article

Diastereodivergent Synthesis of Hexahydro‐6H‐benzo[c]chromen‐6‐one Derivatives Catalyzed by Modularly Designed Organocatalysts.

Published in:

Chemistry - A European Journal, 2019, v. 25, n. 31, p. 7515, doi. 10.1002/chem.201806447

By:

Jakkampudi, Satish;
Parella, Ramarao;
Arman, Hadi D.;
Zhao, John C.‐G.

Publication type:

Article

Double Cu‐Catalyzed Direct Csp<sup>3</sup>−H Azidation/CuAAC Reaction: A Direct Approach towards Demanding Triazole Conjugates.

Published in:

Chemistry - A European Journal, 2019, v. 25, n. 16, p. 4077, doi. 10.1002/chem.201806288

By:

Brandhofer, Tobias;
Özdemir, Aysegül;
Gini, Andrea;
Mancheño, Olga García

Publication type:

Article

Cooperative Catalysis with Coupled Chiral Induction in 1,3‐Dipolar Cycloadditions of Azomethine Ylides.

Published in:

Chemistry - A European Journal, 2018, v. 24, n. 32, p. 8092, doi. 10.1002/chem.201801433

By:

Cayuelas, Alberto;
Larrañaga, Olatz;
Selva, Verónica;
Nájera, Carmen;
Akiyama, Takahiko;
Sansano, José M.;
De cózar, Abel;
Miranda, José I.;
Cossío, Fernando P.

Publication type:

Article

Study on the Catalytic Behavior of Bifunctional Hydrogen-Bonding Catalysts Guided by Free Energy Relationship Analysis of Steric Parameters.

Published in:

Chemistry - A European Journal, 2017, v. 23, n. 23, p. 5488, doi. 10.1002/chem.201605666

By:

Yang, Chen;
Wang, Jie;
Liu, Yang;
Ni, Xiang;
Li, Xin;
Cheng, Jin ‐ Pei

Publication type:

Article

Monomeric Cinchona Alkaloid-Based Catalysts for Highly Enantioselective Bromolactonisation of Alkynes.

Published in:

Chemistry - A European Journal, 2016, v. 22, n. 51, p. 18601, doi. 10.1002/chem.201604003

By:

Wilking, Michael;
Daniliuc, Constantin G.;
Hennecke, Ulrich

Publication type:

Article

Construction of Spirocyclic Oxindoles through Regio- and Stereoselective [3+2] or [3+2]/[4+2] Cascade Reaction of α,β-Unsaturated Imines with 3-Isothiocyanato Oxindole.

Published in:

Chemistry - A European Journal, 2016, v. 22, n. 14, p. 4733, doi. 10.1002/chem.201600497

By:

Du, Dan;
Xu, Qin;
Li, Xiao‐Ge;
Shi, Min

Publication type:

Article

Catalytic Asymmetric Bromination of Unfunctionalized Olefins with H<sub>2</sub>O as a Nucleophile.

Published in:

Chemistry - A European Journal, 2015, v. 21, n. 33, p. 11658, doi. 10.1002/chem.201502133

By:

Zhang, Xun;
Li, Jing;
Tian, Hua;
Shi, Yian

Publication type:

Article

Direct Enantioselective Vinylogous Mannich Reaction of Ketimines with γ-Butenolide by Using Cinchona Alkaloid Amide/Zinc(II) Catalysts.

Published in:

Chemistry - A European Journal, 2015, v. 21, n. 27, p. 9615, doi. 10.1002/chem.201500599

By:

Nakamura, Shuichi;
Yamaji, Ryota;
Hayashi, Masashi

Publication type:

Article

Tunable Cinchona-Based Thioureas-Catalysed Asymmetric Epoxidation to Synthetically Important Glycidic Ester Derivatives.

Published in:

Advanced Synthesis & Catalysis, 2017, v. 359, n. 6, p. 913, doi. 10.1002/adsc.201700146

By:

Meninno, Sara;
Zullo, Luca;
Overgaard, Jacob;
Lattanzi, Alessandra

Publication type:

Article

Asymmetric α-Hydroxylation of β-Indanone Esters and β-Indanone Amides Catalyzed by C-2′ Substituted Cinchona Alkaloid Derivatives.

Published in:

Advanced Synthesis & Catalysis, 2016, v. 358, n. 5, p. 737, doi. 10.1002/adsc.201500911

By:

Wang, Yakun;
Yin, Hang;
Qing, Hai;
Zhao, Jingnan;
Wu, Yufeng;
Meng, Qingwei

Publication type:

Article

Asymmetric Synthesis of Dihydrocoumarins Containing Contiguous Quaternary and Tertiary Stereogenic Centers Catalyzed by a Cinchona-Alkaloid-Based Bifunctional Thiourea Derivative.

Published in:

2016

By:

Zhang, Shao ‐ Yun;
Lv, Ming;
Yin, Shao ‐ Jie;
Li, Nai ‐ Kai;
Zhang, Jun ‐ Qi;
Wang, Xing ‐ Wang

Publication type:

Other

Diastereo- and Enantioselective Synthesis of Chiral Pyrrolidine-Fused Spirooxindoles via Organocatalytic [3+2] 1,3-Dipolar Cycloaddition of Azomethine Ylides with Maleimides.

Published in:

Advanced Synthesis & Catalysis, 2015, v. 357, n. 11, p. 2492, doi. 10.1002/adsc.201500162

By:

Zhao, Hong ‐ Wu;
Yang, Zhao;
Meng, Wei;
Tian, Ting;
Li, Bo;
Song, Xiu ‐ Qing;
Chen, Xiao ‐ Qin;
Pang, Hai ‐ Liang

Publication type:

Article

Asymmetric N-Allylic Alkylation of Hydrazones with Morita-Baylis-Hillman Carbonates.

Published in:

Advanced Synthesis & Catalysis, 2015, v. 357, n. 2/3, p. 384, doi. 10.1002/adsc.201400790

By:

Yao, Lu;
Wang, Chun ‐ Jiang

Publication type:

Article

Asymmetric [4+2] Annulations of Isatins with But-3-yn-2-one.

Published in:

Advanced Synthesis & Catalysis, 2013, v. 355, n. 17, p. 3344, doi. 10.1002/adsc.201300583

By:

Wang, Qiang;
Lian, Zhong;
Xu, Qin;
Shi, Min

Publication type:

Article

NMR chiral recognition of lipoic acid by cinchonidine CSA: A stereocenter beyond the organic function.

Published in:

Chirality, 2023, v. 35, n. 1, p. 40, doi. 10.1002/chir.23514

By:

Marta, Talia Behnen;
Argondizzo, Augusto Cardozo;
da Silva Oliboni, Robson;
Silva, Márcio Santos

Publication type:

Article

Congratulations to Benjamin List and David W. C. MacMillan, Nobel Prize winners for Chemistry 2021!

Published in:: Chirality, 2021, v. 33, n. 12, p. 843, doi. 10.1002/chir.23381
Publication type:: Article

Novel chiral stationary phases based on 3,5‐dimethyl phenylcarbamoylated β‐cyclodextrin combining cinchona alkaloid moiety.

Published in:

Chirality, 2020, v. 32, n. 8, p. 1080, doi. 10.1002/chir.23237

By:

Zhu, Lunan;
Zhu, Junchen;
Sun, Xiaotong;
Wu, Yaling;
Wang, Huiying;
Cheng, Lingping;
Shen, Jiawei;
Ke, Yanxiong

Publication type:

Article

Nonclassical ammonium ions as intermediates in cinchona alkaloid rearrangements?

Published in:

Chirality, 2020, v. 32, n. 4, p. 484, doi. 10.1002/chir.23188

By:

Lodewyk, Michael W.;
Tantillo, Dean J.

Publication type:

Article

Enantioselective hydrogenation of α‐ketoesters catalyzed by cinchona alkaloid stabilized Rh nanoparticles in ionic liquid.

Published in:

Chirality, 2019, v. 31, n. 10, p. 818, doi. 10.1002/chir.23107

By:

Jiang, He‐yan;
Xu, Jie;
Sun, Bin

Publication type:

Article