Works about ANNULATION

Results: 1316

Base‐Promoted [4 + 3] Annulation Reaction of Indole‐2‐Carboxamides with β‐CF3‐1,3‐Enynes: Access to Fluorine‐Containing Indole‐1,2‐Fused 1,4‐Diazepinones.

Published in:

European Journal of Organic Chemistry, 2025, v. 28, n. 25, p. 1, doi. 10.1002/ejoc.202500323

By:

Guo, Lushuang;
Pi, Chao;
Wu, Yangjie;
Cui, Xiuling

Publication type:

Article

Base‐Promoted Solvent‐Tuned Annulation: A Route to Sulfonylated Isochromenes from Sulfonyl Enynals.

Published in:

European Journal of Organic Chemistry, 2025, v. 28, n. 25, p. 1, doi. 10.1002/ejoc.202500297

By:

Gharpure, Santosh J.;
Somani, Shipra;
Fartade, Dipak J.;
Nanda, Santosh K.

Publication type:

Article

Catalytic asymmetric intermolecular [4 + 2] annulation of benzocyclobutenones with Alkynes and activated carbonyls via C—C activation.

Published in:

Nature Communications, 2025, v. 16, n. 1, p. 1, doi. 10.1038/s41467-025-60109-5

By:

Liu, Huilai;
Qi, Zisong;
Shi, Yue;
Wang, Wei;
Wang, Fen;
Ding, Zhi-Wen;
Jia, Ai-Qun;
Huang, Genping;
Li, Xingwei

Publication type:

Article

Pancreaticoduodenectomy in portal annular pancreas: report of a case.

Published in:

Surgery Today, 2013, v. 43, n. 8, p. 926, doi. 10.1007/s00595-012-0280-z

By:

Kobayashi, Shin;
Honda, Goro;
Kurata, Masanao;
Okuda, Yukihiro;
Tsuruta, Koji

Publication type:

Article

Organocatalytic Enantioselective Synthesis of Chiral Spiro‐indoline‐pyrazolones through a formal [4+1] Annulation Reaction of 4‐Bromopyrazolones and aza‐ortho‐Quinone Methides.

Published in:

Helvetica Chimica Acta, 2024, v. 107, n. 4, p. 1, doi. 10.1002/hlca.202400029

By:

Carceller‐Ferrer, Laura;
Rodríguez‐Arias, Carlos;
Montesinos‐Magraner, Marc;
Sanz‐Marco, Amparo;
Hostalet‐Romero, Judit;
Blay, Gonzalo;
Pedro, José R.;
Vila, Carlos

Publication type:

Article

Radical Mediated Aza‐Pauson‐Khand Reaction of Acetylenes, Imines, and CO Leading to Five‐Membered Unsaturated Lactams.

Published in:

Helvetica Chimica Acta, 2019, v. 102, n. 10, p. N.PAG, doi. 10.1002/hlca.201900186

By:

Fukuyama, Takahide;
Okada, Takuma;
Nakashima, Nao;
Ryu, Ilhyong

Publication type:

Article

Nickel‐Catalyzed Cascade Annulation for the Rapid Synthesis of Carbocyclic Nitriles.

Published in:

Helvetica Chimica Acta, 2019, v. 102, n. 5, p. N.PAG, doi. 10.1002/hlca.201900059

By:

Fang, Xianjie;
Yu, Peng;
Willems, Suzanne;
Morandi, Bill

Publication type:

Article

Fast Efficient and General PASE Approach to Medicinally Relevant 4 H,5 H-Pyrano-[4,3- b]pyran-5-one and 4,6-Dihydro-5 H-pyrano-[3,2- c]pyridine-5-one Scaffolds.

Published in:

Helvetica Chimica Acta, 2016, v. 99, n. 9, p. 724, doi. 10.1002/hlca.201600150

By:

Elinson, Michail N.;
Ryzhkov, Fedor V.;
Nasybullin, Ruslan F.;
Vereshchagin, Anatoly N.;
Egorov, Mikhail P.

Publication type:

Article

Dimerization of Dimethyl 2-(Naphthalen-1-yl)cyclopropane-1,1-dicarboxylate in the Presence of GaCl3 to [3+2], [3+3], [3+4], and Spiroannulation Products.

Published in:

Helvetica Chimica Acta, 2013, v. 96, n. 11, p. 2068, doi. 10.1002/hlca.201200636

By:

Novikov, Roman A.;
Tomilov, Yury V.

Publication type:

Article

Benzo-Annulated Steroids: Synthesis of Octahydro-indeno-phenanthrenes by Formal [3+3] Cyclocondensation Reaction with 1,3-Bis[(trimethylsilyl)oxy]buta-1,3-dienes.

Published in:

Helvetica Chimica Acta, 2013, v. 96, n. 5, p. 924, doi. 10.1002/hlca.201200242

By:

Erben, Friedrich;
Specowius, Verena;
Wölfling, János;
Schneider, Gyula;
Langer, Peter

Publication type:

Article

(2-Bromoethyl)sulfonium Trifluoromethanesulfonates in Stereoselective Annulation Reactions for the Formation of Fused Bicyclic Epoxides and Aziridines.

Published in:

Helvetica Chimica Acta, 2012, v. 95, n. 12, p. 2384, doi. 10.1002/hlca.201200455

By:

Fritz, Sven P.;
Ali, Zulfiquar;
Unthank, Matthew G.;
McGarrigle, Eoghan M.;
Aggarwal, Varinder K.

Publication type:

Article

Synthesis of 4,6-Dimethyldibenzothiophene and 1,2,3,4-Tetrahydro-4,6-dimethyldibenzothiophene via Tilak Annulation.

Published in:

Helvetica Chimica Acta, 2011, v. 94, n. 10, p. 1754, doi. 10.1002/hlca.201100191

By:

Xu, Xiaoying;
Li, Xiang;
Wang, Anjie;
Sun, Yinyong;
Schweizer, W. Bernd;
Prins, Roel

Publication type:

Article

N -Annulated Perylene Diimide Non-Fullerene Acceptors for Organic Photovoltaics.

Published in:

Colorants, 2023, v. 2, n. 1, p. 151, doi. 10.3390/colorants2010011

By:

Farahat, Mahmoud E.;
Welch, Gregory C.

Publication type:

Article

N -Annulation of the BTI Rylene Imide Organic Building Block: Impact on the Optoelectronic Properties of π-Extended Molecular Structures.

Published in:

Colorants, 2023, v. 2, n. 1, p. 22, doi. 10.3390/colorants2010002

By:

Andrés Castán, José María;
Abidi, Sana;
Ghanem, Tatiana;
Touihri, Saad;
Blanchard, Philippe;
Welch, Gregory C.;
Zagranyarski, Yulian;
Boixel, Julien;
Walker, Bright;
Josse, Pierre;
Cabanetos, Clément

Publication type:

Article

Morphological and molecular characterisation of Helicotylenchus zengchengensis n. sp. (Nematoda: Hoplolaimidae) from China, with a review on Helicotylenchus species in China.

Published in:

Phytopathology Research, 2024, v. 6, n. 1, p. 1, doi. 10.1186/s42483-024-00223-2

By:

Chen, Yan;
Lu, Yang;
Xie, Hui;
Xu, Chunling

Publication type:

Article

Dynamic stereoselective annulation via aldol-oxa-cyclization cascade reaction to afford spirooxindole pyran polycycles.

Published in:

Communications Chemistry, 2019, v. 2, n. 1, p. N.PAG, doi. 10.1038/s42004-019-0177-5

By:

Sohail, Muhammad;
Tanaka, Fujie

Publication type:

Article

مدى نجاح التشريع الأردني في معالجة المشاكل العملية عبر حصر النفع بالتقادم المسقط في العقارات المسجلة اصوليا.

Published in:

Journal of Anbar University for Law & Political Sciences, 2020, v. 10, n. 2, p. 494

By:

م. د. محمد عبد الحر&#1

Publication type:

Article

ArCH(OMe)2 - a PtIV-catalyst originator for diverse annulation catalysis.

Published in:

Scientific Reports, 2013, p. 1, doi. 10.1038/srep02987

By:

Ghosh, Subhadeep;
Khamarui, Saikat;
Gayen, Krishnanka S.;
Maiti, Dilip K.

Publication type:

Article

Synthesis of Two‐Dimensional Terbenzodithiophene‐based Derivative by Palladium‐catalyzed C─H Benzannulation and Its Donor–Acceptor Copolymers for Organic Photovoltaics.

Published in:

Journal of the Chinese Chemical Society, 2018, v. 65, n. 1, p. 133, doi. 10.1002/jccs.201700221

By:

Cao, Fong‐Yi;
Chen, Yung‐Lung;
Lai, Yu‐Ying;
Cheng, Yen‐Ju

Publication type:

Article

Organocatalyzed diastereo- and enantioselective synthesis of N–N atropisomeric isoindolinones bearing central chirality.

Published in:

Nature Communications, 2025, v. 16, n. 1, p. 1, doi. 10.1038/s41467-025-56838-2

By:

Li, Xingguang;
Wang, Xin-Ze;
Shen, Boming;
Chen, Qian-Yu;
Xiang, Huijing;
Yu, Peiyuan;
Liu, Pei-Nian

Publication type:

Article

Enantioselective synthesis of saddle-shaped eight-membered lactones with inherent chirality via organocatalytic high-order annulation.

Published in:

Nature Communications, 2024, v. 15, n. 1, p. 1, doi. 10.1038/s41467-024-52823-3

By:

Shi, Shao-Qing;
Cui, Chen-Chang;
Xu, Lin-Lin;
Zhang, Jin-Peng;
Hao, Wen-Juan;
Wang, Jianyi;
Jiang, Bo

Publication type:

Article

Ligand control of regioselectivity in palladium-catalyzed heteroannulation reactions of 1,3-Dienes.

Published in:

Nature Communications, 2024, v. 15, n. 1, p. 1, doi. 10.1038/s41467-024-49803-y

By:

Rodina, Dasha;
Vaith, Jakub;
Paradine, Shauna M.

Publication type:

Article

Forensic anthropology from a practitioner's view.

Published in:

Anatomy: International Journal of Experimental & Clinical Anatomy, 2022, v. 16, p. S86

By:

Gerretsen, Reza

Publication type:

Article

When is a pyridine not a pyridine? Benzannulated N-heterocyclic ligands in molecular materials chemistry.

Published in:

Canadian Journal of Chemistry, 2023, v. 101, n. 12, p. 892, doi. 10.1139/cjc-2022-0314

By:

Herbert, David E.

Publication type:

Article

Theoretical investigation of the mechanism of DMAP-promoted [4 + 2]-annulation of prop-2-ynylsulfonium with isatoic anhydride.

Published in:

Canadian Journal of Chemistry, 2022, v. 100, n. 4, p. 263, doi. 10.1139/cjc-2021-0174

By:

Lu, Nan;
Liang, Hui;
Miao, Chengxia;
Lan, Xiaozheng;
Qian, Ping

Publication type:

Article

One-pot cis-selective route to sugar-fused thiazines via a masking-unmasking strategy in basic ionic liquid.

Published in:

Canadian Journal of Chemistry, 2016, v. 94, n. 10, p. 827, doi. 10.1139/cjc-2016-0155

By:

Rai, Vijai K.;
Kosta, Rahul K.

Publication type:

Article

A versatile method for the synthesis of γ-pyrones.

Published in:

Canadian Journal of Chemistry, 2012, v. 90, n. 11, p. 954, doi. 10.1139/v2012-067

By:

Beye, Garrison E.;
Karagiannis, Athanasios;
Kazemeini, Alieh;
Ward, Dale E.

Publication type:

Article

ARBITRAJE Y MEDIACIÓN.

Published in:: Actualidad Jurídica (1578-956X), 2015, n. 40, p. 154
Publication type:: Article

Synthesis of π-Conjugated Polymer Thin Films by Electropolymerization of Benzodithiophene Derivatives.

Published in:

Macromolecular Chemistry & Physics, 2017, v. 218, n. 22, p. n/a, doi. 10.1002/macp.201700123

By:

Wakana, Sho;
Nishiyama, Hiroki;
Inagi, Shinsuke;
Tomita, Ikuyoshi

Publication type:

Article

Deciphering Co(III)‐Catalyzed Oxidative C−H/C−H Annulation Towards Maleimide‐Fused Imidazopyridine AEEgens.

Published in:

Chemistry - A European Journal, 2025, v. 31, n. 5, p. 1, doi. 10.1002/chem.202403576

By:

Ghosh, Subhendu;
Khandelia, Tamanna;
Panigrahi, Pritishree;
Mandal, Raju;
Patel, Bhisma K.

Publication type:

Article

Oxidative [4+2] Annulation of Pyrrole‐2‐carbaldehyde Derivatives with o‐Hydroxyphenyl Propargylamines: Syntheses of 5,6,7‐Trisubstituted Indolizines.

Published in:

Chemistry - A European Journal, 2024, v. 30, n. 63, p. 1, doi. 10.1002/chem.202402487

By:

Wang, Yu‐Qing;
Chen, Li‐Jia;
Yang, Rui‐Lin;
Lang, Ming;
Peng, Jin‐Bao

Publication type:

Article

Photoelectrocatalytic [4+2] Annulation for S‐Heterocycle Assembly Enabled by Proton‐Coupled Electron Transfer (PCET).

Published in:

Chemistry - A European Journal, 2024, v. 30, n. 59, p. 1, doi. 10.1002/chem.202402333

By:

Cheng, Yuan‐Yuan;
Xu, Jiawei;
Lin, Zhipeng;
Li, Yanjun;
Ackermann, Lutz

Publication type:

Article

Chiral Sulfoximine Mediated Cobalt‐Catalyzed Atropselective C−H Annulation of Ynamides.

Published in:

Chemistry - A European Journal, 2024, v. 30, n. 55, p. 1, doi. 10.1002/chem.202401639

By:

Sau, Somratan;
Kanikarapu, Suresh;
Gandon, Vincent;
Sahoo, Akhila K.

Publication type:

Article

Synthesis of a Library of Terpenoid Alkaloid–Like Compounds Containing Medium‐Sized Rings via Reconstruction of the Humulene Skeleton.

Published in:

Chemistry - A European Journal, 2024, v. 30, n. 48, p. 1, doi. 10.1002/chem.202402082

By:

Nishimura, Takehiro;
Shiga, Kosuke;
Sekiya, Mizuki;
Sugawara, Akihiro;
Yonezawa, Takayuki;
Kikuchi, Haruhisa

Publication type:

Article

Mechanochemical Regioselective [3+3] Annulation of 6‐Amino Uracil with Propargyl Alcohols Catalyzed by a Brønsted Acid/Hexafluoroisopropanol.

Published in:

Chemistry - A European Journal, 2024, v. 30, n. 48, p. 1, doi. 10.1002/chem.202401480

By:

Yaragorla, Srinivasarao;
Sneha Latha, Dandugula;
Kumar, Rituraj

Publication type:

Article

Overcrowded 14,14′‐Bidibenzo[a,j]anthracenes: Challenges in Syntheses and Atypical Property of Lacking Symmetry‐Breaking Charge Transfer (SBCT).

Published in:

Chemistry - A European Journal, 2024, v. 30, n. 36, p. 1, doi. 10.1002/chem.202401063

By:

Pan, Ming‐Lun;
Hsu, Chao‐Hsien;
Lin, Yan‐Ding;
Chen, Bo‐Han;
Lu, Chih‐Hsuan;
Yang, Shang‐Da;
Chou, Pi‐Tai;
Wu, Yao‐Ting

Publication type:

Article

Ruthenium(II)‐Catalyzed Oxidative Annulation of Imidazo[1,5‐a]quinolin‐2‐iums Salts and Internal Alkynes via C−H Bond Activation.

Published in:

Chemistry - A European Journal, 2024, v. 30, n. 33, p. 1, doi. 10.1002/chem.202401133

By:

Konwar, Monuranjan;
Hazarika, Nitumoni;
Sarmah, Bikash Kumar;
Das, Animesh

Publication type:

Article

Masters of Mediation: MN(SiMe3)2 in Functionalization of C(sp3)−H Latent Nucleophiles.

Published in:

Chemistry - A European Journal, 2024, v. 30, n. 29, p. 1, doi. 10.1002/chem.202400435

By:

Sreedharan, Ramdas;
Gandhi, Thirumanavelan

Publication type:

Article

Synthesis of Pyridazino[4,5‐b]indoles by [3+3] Annulation of 2‐Alkenylindoles and Hydrazonyl Chlorides.

Published in:

Chemistry - A European Journal, 2024, v. 30, n. 26, p. 1, doi. 10.1002/chem.202400278

By:

Zhang, Shuting;
Zhang, Xinyu;
Li, Lesong;
Shi, Zhenyu;
Wang, Yang

Publication type:

Article

A Pd‐Catalyzed Annulation Strategy to Linearly Fused Functionalized N‐Heterocycles.

Published in:

Chemistry - A European Journal, 2024, v. 30, n. 21, p. 1, doi. 10.1002/chem.202400116

By:

Hoteite, Larry;
Allen, Benjamin D. W.;
Elhajj, Ms. Ergaiya A.;
Meijer, Anthony J. H. M.;
Harrity, Joseph P. A.

Publication type:

Article

Accessing Rare α‐Heterocyclic Aziridines via Brønsted Acid‐catalyzed Michael Addition/Annulation: Scope, Limitations, and Mechanism.

Published in:

Chemistry - A European Journal, 2024, v. 30, n. 21, p. 1, doi. 10.1002/chem.202303993

By:

Hilton, Timothy A.;
Leach, Andrew G.;
McKay, Aidan P.;
Watson, Allan J. B.

Publication type:

Article

Cover Feature: Rh‐Catalyzed Chemodivergent [3+3] Annulations of Diazoenals and α‐Aminoketones: Direct Synthesis of Functionalized 1,2‐Dihydropyridines and Fused 1,4‐Oxazines (Chem. Eur. J. 19/2024).

Published in:

Chemistry - A European Journal, 2024, v. 30, n. 19, p. 1, doi. 10.1002/chem.202303862

By:

Mandal, Pratap Kumar;
Katukojvala, Sreenivas

Publication type:

Article

Rh‐Catalyzed Chemodivergent [3+3] Annulations of Diazoenals and α‐Aminoketones: Direct Synthesis of Functionalized 1,2‐Dihydropyridines and Fused 1,4‐Oxazines.

Published in:

Chemistry - A European Journal, 2024, v. 30, n. 19, p. 1, doi. 10.1002/chem.202303862

By:

Mandal, Pratap Kumar;
Katukojvala, Sreenivas

Publication type:

Article

(Benz)imidazo[1,2‐a]quinolinium Salts: Access via Unprecedented Regiospecific non‐AAIPEX Strategy and Study of Their Tunable Properties.

Published in:

Chemistry - A European Journal, 2024, v. 30, n. 17, p. 1, doi. 10.1002/chem.202303744

By:

Bauri, Somnath;
Ramachandran, Arya;
Rit, Arnab

Publication type:

Article

Synthesis of Bench‐stable Polycyclic Organophosphorus Heterocycles via Staudinger‐type Annulations of ortho‐Azidophenols.

Published in:

Chemistry - A European Journal, 2024, v. 30, n. 13, p. 1, doi. 10.1002/chem.202302834

By:

Wang, Zhenguo;
Luo, Wenjun;
Li, Zhi‐Wei;
Yin, Keshu;
Wei, Mingjie;
Li, Le

Publication type:

Article

Annulation of a Methylenecyclopropane with Cyanoalkenes Catalyzed by Lewis Bases.

Published in:

Chemistry - A European Journal, 2024, v. 30, n. 9, p. 1, doi. 10.1002/chem.202302365

By:

Suzuki, Itaru;
Kasahara, Nozomi;
Ogura, Kazuki;
Shibata, Ikuya

Publication type:

Article

Pd‐Catalyzed Vicinal Intermolecular Annulations of Iodoarenes, Indoles, and Carbazoles with Enynes.

Published in:

Chemistry - A European Journal, 2024, v. 30, n. 7, p. 1, doi. 10.1002/chem.202302788

By:

Babu, Undamatla Suri;
Kotipalli, Ramesh;
Nanubolu, Jagadeesh Babu;
Reddy, Maddi Sridhar

Publication type:

Article

Hauser‐Kraus Annulation Initiated Multi‐Cascade Reactions for Facile Access to Functionalized and Fused Oxazepines, Carbazoles and Phenanthridinediones.

Published in:

Chemistry - A European Journal, 2024, v. 30, n. 3, p. 1, doi. 10.1002/chem.202303517

By:

Sankara, Chenikkayala Siva;
Namboothiri, Irishi N. N.

Publication type:

Article

Conjugated Olefin Enabled Rollover Cyclometallation of Distant C‐H Bonds: Regioselective Annulation of o‐Alkenyl Phenols with Alkynes.

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 70, p. 1, doi. 10.1002/chem.202303245

By:

Nagireddy, Attunuri;
Naveen Kumar, Muniganti;
Babu Nanubolu, Jagadeesh;
Sridhar Reddy, Maddi

Publication type:

Article

Recent Progress in the Synthesis of Silaspiranes.

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 70, p. 1, doi. 10.1002/chem.202302371

By:

Chen, Hua;
Hu, Xuejiao;
Wang, Wanshu;
Gao, Lu;
Song, Zhenlei

Publication type:

Article