Works matching DE "UMPOLUNG"

Results: 241

Galvanic corrosion in marine environments: Effects associated with the inversion of polarity of Zn/carbon steel couples.

Published in:

Materials & Corrosion / Werkstoffe und Korrosion, 2019, v. 70, n. 6, p. 950, doi. 10.1002/maco.201810568

By:

Refait, Philippe;
Jeannin, Marc;
François, Emilie;
Sabot, René;
Grolleau, Anne‐Marie

Publication type:

Article

Electrochemical Umpolung of Bromide: Transition-Metal-Free Bromination of Indole C–H Bond.

Published in:

Molecules, 2019, v. 24, n. 4, p. 696, doi. 10.3390/molecules24040696

By:

Zhang, Pan;
Chen, Jianbin;
Gao, Wei;
Xiao, Yiting;
Liu, Changwei;
Xu, Shanghui;
Yan, Xiaoli;
Qin, Dawei

Publication type:

Article

Polarity assessment of reflection seismic data: a Deep Learning approach.

Published in:

Bulletin of Geophysics & Oceanography (BGO), 2022, v. 63, n. 4, p. 693, doi. 10.4430/bgo00409

By:

RONCORONI, G.;
FORTE, E.;
BORTOLUSSI, L.;
GASPERINI, L.;
PIPAN, M.

Publication type:

Article

Determination and identification of focal mechanism solutions for Himalayan earthquakes from waveform inversion employing ISOLA software.

Published in:

Natural Hazards, 2015, v. 76, n. 1, p. 1163, doi. 10.1007/s11069-014-1540-6

By:

Kumar, Rohtash;
Gupta, S.;
Kumar, Arjun

Publication type:

Article

Method for the determination of the height of a solar filament.

Published in:

Geomagnetism & Aeronomy, 2016, v. 56, n. 1, p. 1, doi. 10.1134/S0016793216010059

By:

Filippov, B.

Publication type:

Article

Effects of electrostatic correlations and ion–solvent interactions of finite-sized ions on the electrophoresis of a soft particle.

Published in:

Journal of Fluid Mechanics, 2025, v. 1006, p. 1, doi. 10.1017/jfm.2025.17

By:

Mondal, Bapan;
Bhattacharyya, Somnath

Publication type:

Article

一种新型低开销抗三节点翻转的锁存器设计.

Published in:

Computer Engineering & Science / Jisuanji Gongcheng yu Kexue, 2025, v. 47, n. 5, p. 811, doi. 10.3969/j.issn.1007-130X.2025.05.005

By:

徐辉;
唐琳;
马瑞君;
梁华国;
黄正峰

Publication type:

Article

Swimming polarity inversion in uncultured magnetotactic cocci.

Published in:

European Biophysics Journal, 2024, v. 53, n. 1/2, p. 69, doi. 10.1007/s00249-023-01698-1

By:

Angiolillo, Giovanny;
Abreu, Fernanda;
Acosta-Avalos, Daniel

Publication type:

Article

Effect of the Twist Crystallinity of N‐Polar AlN Underlayer on the Electrical Properties of GaN/AlN Structures.

Published in:

Physica Status Solidi. A: Applications & Materials Science, 2024, v. 221, n. 21, p. 1, doi. 10.1002/pssa.202400053

By:

Kowaki, Taketo;
Hanasaku, Koki;
Miyamoto, Minagi;
Zazuli, Aina Hiyama;
Inahara, Daisuke;
Fujii, Kai;
Kimoto, Taisei;
Ninoki, Ryosuke;
Kurai, Satoshi;
Okada, Narihito;
Yamada, Yoichi

Publication type:

Article

Umpolung reactivity of strained C–C σ-bonds without transition-metal catalysis.

Published in:

Nature Communications, 2024, v. 15, n. 1, p. 1, doi. 10.1038/s41467-024-47169-9

By:

Bai, Dachang;
Guo, Xiuli;
Wang, Xinghua;
Xu, Wenjie;
Cheng, Ruoshi;
Wei, Donghui;
Lan, Yu;
Chang, Junbiao

Publication type:

Article

Thiophane‐Catalyzed Umpolung of N‐Bromoimides for Dibromination of Olefins.

Published in:

European Journal of Organic Chemistry, 2024, v. 27, n. 13, p. 1, doi. 10.1002/ejoc.202400055

By:

Wang, Miao;
Niu, Teng;
Xu, Changming

Publication type:

Article

Reactivity of Hypervalent Iodine(III) Reagents Bearing Transferable N‐Based Groups.

Published in:

European Journal of Organic Chemistry, 2023, v. 26, n. 25, p. 1, doi. 10.1002/ejoc.202300109

By:

Macara, João;
Caldeira, Catarina;
Poeira, Diogo L.;
Marques, M. Manuel B.

Publication type:

Article

Organophosphites: An Addition to the Arsenal of Organocatalysts.

Published in:

European Journal of Organic Chemistry, 2023, v. 26, n. 4, p. 1, doi. 10.1002/ejoc.202201238

By:

Baral, Nilofar;
Rani, Soniya;
Saikia, Pinku;
Maity, Pradip

Publication type:

Article

Recent Advances in Organic Synthesis Using Light‐Mediated N‐Heterocyclic Carbene Catalysis.

Published in:: European Journal of Organic Chemistry, 2021, v. 2021, n. 33, p. 4603, doi. 10.1002/ejoc.202100261
Publication type:: Article

Mechanistic Insights into the Formation of δ‐Lactones by Cerium‐Catalyzed Aerobic Coupling of β‐Oxoesters with Enol Acetates.

Published in:

European Journal of Organic Chemistry, 2021, v. 2021, n. 6, p. 907, doi. 10.1002/ejoc.202001532

By:

Speldrich, Jean‐Marico;
Christoffers, Jens

Publication type:

Article

Pd‐Catalyzed Allylation of Imines to Access α‐CF<sub>3</sub>‐Substituted α‐Amino Acid Derivatives.

Published in:

European Journal of Organic Chemistry, 2019, v. 2019, n. 42, p. 7122, doi. 10.1002/ejoc.201901272

By:

Winter, Michael;
Kim, Hyunwoo;
Waser, Mario

Publication type:

Article

Hypervalent Iodine Mediated Sulfonamide Synthesis.

Published in:

European Journal of Organic Chemistry, 2019, v. 2019, n. 15, p. 2695, doi. 10.1002/ejoc.201900259

By:

Poeira, Diogo L.;
Macara, João;
Faustino, Hélio;
Coelho, Jaime A. S.;
Gois, Pedro M. P.;
Marques, M. Manuel B.

Publication type:

Article

Observations and Modeling of a High-Latitude Extended Filament Channel Eruption.

Published in:

Geophysical Research Abstracts, 2019, v. 21, p. 1

By:

Lynch, Benjamin;
Palmerio, Erika;
Pomoell, Jens;
DeVore, C. Richard;
Kazachenko, Maria;
Kilpua, Emilia

Publication type:

Article

Study on the predictability of imminent giant solar flares based on the analysis of triggered instability.

Published in:

Geophysical Research Abstracts, 2019, v. 21, p. 1

By:

Kusano, Kanya;
Iju, Tomoya;
Bamba, Yumi

Publication type:

Article

Conjoined Flux Ropes: A New Mechanism for Filament-Channel Formation at External Polarity Inversion Lines.

Published in:

Geophysical Research Abstracts, 2019, v. 21, p. 1

By:

Torok, Tibor

Publication type:

Article

Late‐Stage Cross‐Electrophile Coupling of Arylthianthrenium Salts with (Hetero)aryl (Pseudo)halides via Palladium Catalysis.

Published in:

Angewandte Chemie, 2025, v. 137, n. 24, p. 1, doi. 10.1002/ange.202502441

By:

Xie, Yuanhao;
Zhang, Li;
Ritter, Tobias

Publication type:

Article

Nickel‐Catalyzed Umpolung Difluoroalkylation of Imines Enables General Access to β‐Difluoroalkylated Amines.

Published in:

Angewandte Chemie, 2025, v. 137, n. 24, p. 1, doi. 10.1002/ange.202500990

By:

Tong, Fei‐Fei;
Feng, Xiao‐Tian;
Han, Yuan‐Zhan;
Huang, Ming‐Chen;
Zhao, Hai‐Yang;
Zhang, Xingang

Publication type:

Article

NHC‐Catalyzed Aldimine Umpolung/6π‐Electrocyclization Cascade to Access Tetracyclic Dihydrochromeno Indoles.

Published in:

Angewandte Chemie, 2025, v. 137, n. 4, p. 1, doi. 10.1002/ange.202416519

By:

Das, Rohan Chandra;
Gupta, Priyanshu;
Chakraborty, Sukriyo;
Jindal, Garima;
Biju, Akkattu T.

Publication type:

Article

An Organometallic Umpolung Approach for Iron‐Mediated Propargylic C−H Etherification.

Published in:

Angewandte Chemie, 2024, v. 136, n. 52, p. 1, doi. 10.1002/ange.202413017

By:

Xia, Yue;
Zhu, Jin;
Durham, Austin C.;
Wang, Yi‐Ming

Publication type:

Article

An Aza‐Prilezhaev‐Based Method for Inversion of Regioselectivity in Stereospecific Alkene 1,2‐Aminohydroxylations.

Published in:

Angewandte Chemie, 2024, v. 136, n. 49, p. 1, doi. 10.1002/ange.202409836

By:

Tu, Wenbin;
Farndon, Joshua J.;
Robertson, Craig M.;
Bower, John F.

Publication type:

Article

Evolution of internal solitary waves on the slope-shelf topography in the northern South China Sea.

Published in:

Ocean Dynamics, 2020, v. 70, n. 6, p. 729, doi. 10.1007/s10236-020-01357-5

By:

Wang, Shuya;
Meng, Jing;
Li, Qun;
Chen, Xu

Publication type:

Article

Mechanistic Pathways in Cyanide-Mediated Benzoin Condensation: A Comprehensive Electron Localisation Function (ELF) and Catastrophe Theory Analysis of the Umpolung Reaction.

Published in:

Molecules, 2025, v. 30, n. 2, p. 378, doi. 10.3390/molecules30020378

By:

Michalski, Michal;
Berski, Slawomir

Publication type:

Article

Synthesis of Tetrasubstituted Phosphorus Analogs of Aspartic Acid as Antiproliferative Agents.

Published in:

Molecules, 2022, v. 27, n. 22, p. 8024, doi. 10.3390/molecules27228024

By:

del Corte, Xabier;
Maestro, Aitor;
López-Francés, Adrián;
Palacios, Francisco;
Vicario, Javier

Publication type:

Article

A Review on Generation and Reactivity of the N -Heterocyclic Carbene-Bound Alkynyl Acyl Azolium Intermediates.

Published in:

Molecules, 2022, v. 27, n. 22, p. 7990, doi. 10.3390/molecules27227990

By:

Dong, Ziyang;
Jiang, Chengming;
Zhao, Changgui

Publication type:

Article

DP-internal Inversion and Negative Polarity: Latin aliquis and its Romance Descendants.

Published in:

Probus: International Journal of Latin & Romance Linguistics, 2020, v. 32, n. 2, p. 271, doi. 10.1515/probus-2020-0005

By:

Gianollo, Chiara

Publication type:

Article

Recent progress in reactivity study and synthetic application of N-heterocyclic phosphorus hydrides.

Published in:

National Science Review, 2021, v. 8, n. 4, p. 1, doi. 10.1093/nsr/nwaa253

By:

Zhang, Jingjing;
Yang, Jin-Dong;
Cheng, Jin-Pei

Publication type:

Article

Molecular basis and design principles of switchable front-rear polarity and directional migration in Myxococcus xanthus.

Published in:

Nature Communications, 2023, v. 14, n. 1, p. 1, doi. 10.1038/s41467-023-39773-y

By:

Carreira, Luís António Menezes;
Szadkowski, Dobromir;
Lometto, Stefano;
Hochberg, Georg. K. A.;
Søgaard-Andersen, Lotte

Publication type:

Article

Transformation of N-Polar Inversion Domains from AlN Buffer Layers during the Growth of AlGaN Layers.

Published in:

Semiconductors, 2022, v. 56, n. 6, p. 352, doi. 10.1134/S1063782622070077

By:

Osinnykh, I. V.;
Malin, T. V.;
Kozhukhov, A. S.;
Ber, B. Ya.;
Kazancev, D. Yu.;
Zhuravlev, K. S.

Publication type:

Article

The elusive abnormal CO<sub>2</sub> insertion enabled by metal-ligand cooperative photochemical selectivity inversion.

Published in:

Nature Communications, 2018, v. 9, n. 1, p. 1, doi. 10.1038/s41467-018-03239-3

By:

Schneck, Felix;
Ahrens, Jennifer;
Finger, Markus;
Stückl, A. Claudia;
Würtele, Christian;
Schwarzer, Dirk;
Schneider, Sven

Publication type:

Article

Formation and dynamics of a solar eruptive flux tube.

Published in:

Nature Communications, 2018, v. 9, n. 1, p. 1, doi. 10.1038/s41467-017-02616-8

By:

Satoshi Inoue;
Kanya Kusano;
Büchner, Jörg;
Skála, Jan

Publication type:

Article

N-Heterocyclic Carbenes Supported on Vinylic Addition Polynorbornene: A Recyclable and Recoverable Organocatalyst.

Published in:

ChemCatChem, 2014, v. 6, n. 12, p. 3547, doi. 10.1002/cctc.201402767

By:

Molina de la Torre, Jesús A.;
Albéniz, Ana C.

Publication type:

Article

A focal mechanism catalogue of earthquakes that occurred in the southeastern Alps and surrounding areas from 1928-2019.

Published in:

Earth System Science Data Discussions, 2021, p. 1, doi. 10.5194/essd-2020-369

By:

Saraò, Angela;
Sugan, Monica;
Bressan, Gianni;
Renner, Gianfranco;
Restivo, Andrea

Publication type:

Article

«Pena y gloria trocadas»: la ciudad en El condenado por desconfiado de Tirso de Molina.

Published in:

Hipogrifo: revista de literatura y cultura del siglo de oro, 2020, v. 8, n. 2, p. 39, doi. 10.13035/H.2020.08.02.04

By:

Bouchiba-Fochesato, Isabelle

Publication type:

Article

Effects of Polarity Inversion Layer on Performances of Lateral-Field-Excitation Piezoelectric Sensors Based on Lithium Niobate Single Crystal.

Published in:

Crystals (2073-4352), 2021, v. 11, n. 4, p. 407, doi. 10.3390/cryst11040407

By:

Zheng, Yuanzhen;
Chen, Dudu;
Sun, Fei;
Xu, Kuanxiang;
Ma, Tingfeng;
Yuan, Lili;
Wu, Rongxing

Publication type:

Article

Emoji, Text, and Sentiment Polarity Detection Using Natural Language Processing.

Published in:

Information (2078-2489), 2023, v. 14, n. 4, p. 222, doi. 10.3390/info14040222

By:

Gupta, Shelley;
Singh, Archana;
Kumar, Vivek

Publication type:

Article

Plasma surface modification of materials and their entrapment of water contaminant: A review.

Published in:

Plasma Processes & Polymers, 2017, v. 14, n. 9, p. n/a, doi. 10.1002/ppap.201600218

By:

Duan, Shengxia;
Liu, Xia;
Wang, Yanan;
Meng, Yuedong;
Alsaedi, Ahmed;
Hayat, Tasawar;
Li, Jiaxing

Publication type:

Article

Solvent- and catalysts-free immobilization of tannic acid and polyvinylpyrrolidone onto PMMA surface by DBD plasma.

Published in:

Plasma Processes & Polymers, 2017, v. 14, n. 9, p. n/a, doi. 10.1002/ppap.201600202

By:

Klébert, Szilvia;
Károly, Zoltán;
Késmárki, András;
Domján, Attila;
Mohai, Miklós;
Keresztes, Zsófia;
Kutasi, Kinga

Publication type:

Article

Polarity Inversion Catalysis by the 1,4-Addition of N-Heterocyclic Carbenes.

Published in:

Australian Journal of Chemistry, 2020, v. 73, n. 1, p. 1, doi. 10.1071/CH19550

By:

Nguyen, Xuan B.;
Nakano, Yuji;
Lupton, David W.

Publication type:

Article

Phosphine‐Catalyzed Divergent γ,γ‐ and ε,γ‐Umpolung Domino Additions of Bisoxindoles with Allenoates: Construction of Vicinal All‐Carbon Quaternary Stereocenters and Formal Total Synthesis of Dimeric Cyclotryptamine Alkaloids

Published in:

Chinese Journal of Chemistry, 2025, v. 43, n. 9, p. 995, doi. 10.1002/cjoc.202401240

By:

Zhang, Yufei;
Chen, Jing;
Yao, Hui;
Wang, Yuanbin;
Liu, Hongyu;
Wang, Long;
Huang, Nianyu;
Wang, Nengzhong

Publication type:

Article

Rhodium‐Catalyzed N‐Arylation Addition of Arylboronic Acids to Ketimines.

Published in:

Chinese Journal of Chemistry, 2024, v. 42, n. 18, p. 2243, doi. 10.1002/cjoc.202400208

By:

Qian, Xue‐Wei;
Sun, Xing‐Wen

Publication type:

Article

Studies on Pumiliotoxin A Alkaloids: An Approach to Preparing the Indolizidinic Core by Intramolecular Diastereoselective N-Heterocyclic Carbene Catalyzed Benzoin Reaction.

Published in:

European Journal of Organic Chemistry, 2016, v. 2016, n. 11, p. 1972, doi. 10.1002/ejoc.201600172

By:

Correia, José Tiago M.;
Acconcia, Laís V.;
Coelho, Fernando

Publication type:

Article

Metal-Free Direct Dehydroxytrifluoromethylthiolation of Alcohols via the Umpolung Reactivity of Trifluoromethanesulfenamides.

Published in:

European Journal of Organic Chemistry, 2016, v. 2016, n. 11, p. 1955, doi. 10.1002/ejoc.201600197

By:

Glenadel, Quentin;
Tlili, Anis;
Billard, Thierry

Publication type:

Article

Room-Temperature Alkynylation of Phosphine Oxides with Copper Acetylides: Practical Synthesis of Alkynylphosphine Oxides.

Published in:

European Journal of Organic Chemistry, 2016, v. 2016, n. 4, p. 633, doi. 10.1002/ejoc.201501440

By:

Gérard, Phidéline;
Veillard, Romain;
Alayrac, Carole;
Gaumont, Annie‐Claude;
Evano, Gwilherm

Publication type:

Article

Vicinal Functionalization of N-Alkoxyenamines: Tandem Umpolung Phenylation-Nucleophilic Addition Reaction Sequence.

Published in:

European Journal of Organic Chemistry, 2015, v. 2015, n. 18, p. 3899, doi. 10.1002/ejoc.201500308

By:

Sato, Shohei;
Takeda, Norihiko;
Miyoshi, Tetsuya;
Ueda, Masafumi;
Miyata, Okiko

Publication type:

Article

Synthesis of Multisubstituted Dihydroquinoxaline Derivatives by Tandem N-Alkylation and Addition Reactions of 3-Oxoquinoxaline-2-carboxylates.

Published in:

European Journal of Organic Chemistry, 2015, v. 2015, n. 15, p. 3327, doi. 10.1002/ejoc.201500225

By:

Miyamaru, Satoru;
Umezu, Kazuto;
Ito, Akinori;
Shimizu, Makoto

Publication type:

Article