Works matching DE "ANNULATION"

Results: 1305

Recent Developments in C−H Functionalization and Annulation of 2‐Aryl‐Quinazolinones and 3‐Aryl‐Quinazolinones via Site Selective Transformations.

Published in:

European Journal of Organic Chemistry, 2025, v. 28, n. 19, p. 1, doi. 10.1002/ejoc.202500034

By:

Mahato, Karuna;
Shrestha, Divya;
Roy, Prasanta;
Lee, Seung Woo

Publication type:

Article

High Regio‐ and Chemoselectivity [2 + 4] Tandem Annulations Catalyzed by CsF to the Synthesis of 4‐Quinolones under Continuous‐Flow Reactor.

Published in:

European Journal of Organic Chemistry, 2025, v. 28, n. 19, p. 1, doi. 10.1002/ejoc.202500016

By:

Wang, Zhuoyu;
Li, Junjie;
Li, Weiqiang;
Liu, Rong;
Zhang, Chunyan;
Gao, Sirong;
Liu, Teng;
Huang, Chao

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

Synthesis of Photochromic Phosphines by Pd‐Catalyzed Annulation Reaction of Alkynes Bearing Phosphinyl Substituent with a Silacyclopropene.

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 66, p. 1, doi. 10.1002/chem.202302374

By:

Selvaraj, Akshitha;
Cordier, Marie;
Devillard, Marc;
Alcaraz, Gilles

Publication type:

Article

Switchable Selectivity in the Annulation of o‐Trifluoroacetylanilines and Activated Terminal Alkynes Based on Transition Metal and Phosphine Catalysis.

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 64, p. 1, doi. 10.1002/chem.202302357

By:

Mitrofanov, Alexander Yu.;
Murashkina, Arina V.;
Lyssenko, Konstantin A.;
Beletskaya, Irina P.

Publication type:

Article

Construction of Diversified Penta‐Spiro‐Heterocyclic and Fused‐Heterocyclic Frameworks with Potent Antitumor Activity.

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 54, p. 1, doi. 10.1002/chem.202301553

By:

Liu, Qi;
Liu, Xuyi;
Li, Yazhou;
Zhou, Yu;
Zhao, Linxiang;
Liang, Xuewu;
Liu, Hong

Publication type:

Article

Front Cover: Construction of Diversified Penta‐Spiro‐Heterocyclic and Fused‐Heterocyclic Frameworks with Potent Antitumor Activity (Chem. Eur. J. 54/2023).

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 54, p. 1, doi. 10.1002/chem.202302676

By:

Liu, Qi;
Liu, Xuyi;
Li, Yazhou;
Zhou, Yu;
Zhao, Linxiang;
Liang, Xuewu;
Liu, Hong

Publication type:

Article

Construction of Diversified Penta‐Spiro‐Heterocyclic and Fused‐Heterocyclic Frameworks with Potent Antitumor Activity.

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 54, p. 1, doi. 10.1002/chem.202301553

By:

Liu, Qi;
Liu, Xuyi;
Li, Yazhou;
Zhou, Yu;
Zhao, Linxiang;
Liang, Xuewu;
Liu, Hong

Publication type:

Article

TBAI‐Catalysed Formal [4+4]‐Cycloaddition: Easy Access to Oxa‐Bridged Eight‐Membered Heterocycles.

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 25, p. 1, doi. 10.1002/chem.202300301

By:

Wang, Wenxiang;
Pi, Chao;
Cui, Xiuling;
Wu, Yangjie

Publication type:

Article

Facile One‐Pot Synthesis of Polysubstituted Pyridinium Salts by Annulation of Enamines with Alkynes.

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 22, p. 1, doi. 10.1002/chem.202300059

By:

Lee, Seokwoo;
Yoo, Hanbin;
Park, Soojun;
Yoon, Ran;
Kim, Sanghee

Publication type:

Article

Enantioselective Desymmetrization Triggered by Iminium‐Enamine Activation: Access to Complex Cyclohepta[b]indoles.

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 15, p. 1, doi. 10.1002/chem.202203435

By:

Magham, Lakshmi Revati;
Thopate, Satish B.;
Samad, Abdus;
Chegondi, Rambabu

Publication type:

Article

Influence of Triptycene Annulation on the Photochromism of Diphenylnaphthopyrans: Entropic Control of Thermal Reversion.

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 11, p. 1, doi. 10.1002/chem.202202757

By:

Jana, Kanyashree;
Narasimha Moorthy, Jarugu

Publication type:

Article

Studies towards the Synthesis of (+)‐Dictyoxetane.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 71, p. 1, doi. 10.1002/chem.202202429

By:

Benford‐Ward, Joseph;
Ahmadipour, Sanaz;
Sembayeva, Aliya;
Male, Louise;
Grainger, Richard S.

Publication type:

Article

π‐Extended Pleiadienes by [5+2] Annulation of 1‐Boraphenalenes and ortho‐Dihaloarenes.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 61, p. 1, doi. 10.1002/chem.202202053

By:

Schnitzlein, Matthias;
Zhu, Chongwei;
Shoyama, Kazutaka;
Würthner, Frank

Publication type:

Article

Effect of Annulation Mode of Twistarene on the Physical Property and Self‐Assembly Behavior of Functionalized Curved Aromatic Molecules.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 46, p. 1, doi. 10.1002/chem.202201233

By:

Wang, Wei;
Yuan, Ziwei;
Wang, Sujuan;
Li, Xueqing;
Ji, Bingliang;
Xiao, Jinchong

Publication type:

Article

Ligand‐Enabled [3+2] Annulation of Aromatic Acids with Maleimides by C(sp3)−H and C(sp2)−H Bond Activation.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 39, p. 1, doi. 10.1002/chem.202200778

By:

Naskar, Gouranga;
Jeganmohan, Masilamani

Publication type:

Article

Nickel‐Catalyzed Csp2−OMe Functionalization for Chemoselective Aromatic Homologation En Route to Nanographenes.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 29, p. 1, doi. 10.1002/chem.202200625

By:

Capdevila, Lorena;
Sala, Judith;
Ackermann, Lutz;
Ribas, Xavi

Publication type:

Article

Cover Feature: Impact of Heterocycle Annulation on NIR Absorbance in Quinoid Thioacene Derivatives (Chem. Eur. J. 23/2022).

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 23, p. 1, doi. 10.1002/chem.202200982

By:

Hou, Peng;
Peschtrich, Sebastian;
Huber, Nils;
Feuerstein, Wolfram;
Bihlmeier, Angela;
Krummenacher, Ivo;
Schoch, Roland;
Klopper, Wim;
Breher, Frank;
Paradies, Jan

Publication type:

Article

Impact of Heterocycle Annulation on NIR Absorbance in Quinoid Thioacene Derivatives.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 23, p. 1, doi. 10.1002/chem.202200478

By:

Hou, Peng;
Peschtrich, Sebastian;
Huber, Nils;
Feuerstein, Wolfram;
Bihlmeier, Angela;
Krummenacher, Ivo;
Schoch, Roland;
Klopper, Wim;
Breher, Frank;
Paradies, Jan

Publication type:

Article

Copper‐Catalyzed Regioselective [3+3] Annulations of Alkynyl Ketimines with α‐Cyano Ketones: the Synthesis of Polysubstituted 4H‐Pyran Derivatives with a CF3‐Containing Quaternary Center.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 23, p. 1, doi. 10.1002/chem.202200128

By:

Sheng, Cheng;
Ling, Zheng;
Ahmad, Tanveer;
Xie, Fang;
Zhang, Wanbin

Publication type:

Article

Dinuclear Zinc Catalyzed Enantioselective Dearomatization [3+2] Annulation of 2‐Nitrobenzofurans and 2‐Nitrobenzothiophenes.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 2, p. 1, doi. 10.1002/chem.202103688

By:

Zhou, Peng;
Yi, Yang;
Hua, Yuan‐Zhao;
Jia, Shi‐Kun;
Wang, Min‐Can

Publication type:

Article

Diastereoselective [2+2+1] Hydrative Annulation of Phenol‐Linked 1,6‐Enynes with Acetylenes Through Rhodium Catalysis: A Rapid Access to Cyclopenta[b]benzofuranols.

Published in:

Chemistry - A European Journal, 2021, v. 27, n. 70, p. 17570, doi. 10.1002/chem.202102930

By:

Nagireddy, Attunuri;
Dattatri;
Babu Nanubolu, Jagadeesh;
Sridhar Reddy, Maddi

Publication type:

Article

Domino Dehydrative π‐Extension: A Facile Path to Extended Perylenes and Terrylenes.

Published in:

Chemistry - A European Journal, 2021, v. 27, n. 69, p. 17322, doi. 10.1002/chem.202103098

By:

Feofanov, Mikhail;
Akhmetov, Vladimir;
Amsharov, Konstantin

Publication type:

Article

Redox Isomerization/(3+2) Allenoate Annulation by Auto‐Tandem Phosphine Catalysis.

Published in:

Chemistry - A European Journal, 2021, v. 27, n. 65, p. 16232, doi. 10.1002/chem.202103224

By:

Maddigan‐Wyatt, Jeremy T.;
Blyth, Mitchell T.;
Ametovski, Jhi;
Coote, Michelle L.;
Hooper, Joel F.;
Lupton, David W.

Publication type:

Article

Thiophene‐Fused 1,4‐Diazapentalene: A Stable C=N‐Containing π‐Conjugated System with Restored Antiaromaticity.

Published in:

Chemistry - A European Journal, 2021, v. 27, n. 65, p. 16127, doi. 10.1002/chem.202103122

By:

Usuba, Junichi;
Fukazawa, Aiko

Publication type:

Article

Facile Synthesis of Alkylidene Phthalides by Rhodium‐Catalyzed Domino C−H Acylation/Annulation of Benzamides with Aliphatic Carboxylic Acids.

Published in:

Chemistry - A European Journal, 2021, v. 27, n. 63, p. 15628, doi. 10.1002/chem.202102734

By:

Liu, Sien;
He, Bangyue;
Li, Hongyi;
Zhang, Xiaofeng;
Shang, Yaping;
Su, Weiping

Publication type:

Article

Rhodium(III)‐Catalyzed C−H Bond Functionalization of 2‐Pyridones with Alkynes: Switchable Alkenylation, Alkenylation/Directing Group Migration and Rollover Annulation.

Published in:

Chemistry - A European Journal, 2021, v. 27, n. 34, p. 8811, doi. 10.1002/chem.202101074

By:

Xu, Xin;
Luo, Chenguang;
Zhao, Haoqiang;
Pan, Yixiao;
Zhang, Xin;
Li, Jiajie;
Xu, Lijin;
Lei, Ming;
Walsh, Patrick J.

Publication type:

Article

Gold‐Catalyzed Annulation of 1,8‐Dialkynylnaphthalenes: Synthesis and Photoelectric Properties of Indenophenalene‐Based Derivatives.

Published in:

Chemistry - A European Journal, 2021, v. 27, n. 10, p. 3552, doi. 10.1002/chem.202004846

By:

Fard, Sara Tavakkoli;
Sekine, Kohei;
Farshadfar, Kaveh;
Rominger, Frank;
Rudolph, Matthias;
Ariafard, Alireza;
Hashmi, A. Stephen K.

Publication type:

Article

Design of a Functional Chromene‐Type Kobayashi Precursor: Gram‐Scale Total Synthesis of Natural Xanthones by Highly Regioselective Aryne Annulation.

Published in:

Chemistry - A European Journal, 2021, v. 27, n. 3, p. 1066, doi. 10.1002/chem.202003805

By:

Xu, Yuan‐Ze;
Sha, Feng;
Wu, Xin‐Yan

Publication type:

Article

Brønsted Base‐Catalyzed Formal Reductive [3+2] Annulation of 4,4,4‐Trifluorocrotonate and α‐Iminoketones.

Published in:

Chemistry - A European Journal, 2021, v. 27, n. 2, p. 585, doi. 10.1002/chem.202002943

By:

Kondoh, Azusa;
Terada, Masahiro

Publication type:

Article

Transition Metal‐Catalyzed Intermolecular Cascade C−H Activation/Annulation Processes for the Synthesis of Polycycles.

Published in:

Chemistry - A European Journal, 2021, v. 27, n. 1, p. 121, doi. 10.1002/chem.202002110

By:

Song, Liangliang;
Van der Eycken, Erik V.

Publication type:

Article

Cover Feature: Palladium‐Catalyzed Annulation of Acyl Fluorides with Norbornene via Decarbonylation and CO Reinsertion (Chem. Eur. J. 57/2020).

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 57, p. 12899, doi. 10.1002/chem.202003335

By:

Sakurai, Yuka;
Ogiwara, Yohei;
Sakai, Norio

Publication type:

Article

Palladium‐Catalyzed Annulation of Acyl Fluorides with Norbornene via Decarbonylation and CO Reinsertion.

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 57, p. 12972, doi. 10.1002/chem.202001374

By:

Sakurai, Yuka;
Ogiwara, Yohei;
Sakai, Norio

Publication type:

Article

Total Synthesis of Dictyodendrins A–F by the Gold‐Catalyzed Cascade Cyclization of Conjugated Diyne with Pyrrole.

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 49, p. 11150, doi. 10.1002/chem.202001950

By:

Matsuoka, Junpei;
Inuki, Shinsuke;
Matsuda, Yuka;
Miyamoto, Yoichi;
Otani, Mayumi;
Oka, Masahiro;
Oishi, Shinya;
Ohno, Hiroaki

Publication type:

Article

Ruthenium(II)‐Catalyzed Double Annulation of Quinones: Step‐Economical Access to Valuable Bioactive Compounds.

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 48, p. 10981, doi. 10.1002/chem.202001434

By:

Silva Júnior, Eufrânio N.;
Carvalho, Renato L.;
Almeida, Renata G.;
Rosa, Luisa G.;
Fantuzzi, Felipe;
Rogge, Torben;
Costa, Pedro M. S.;
Pessoa, Claudia;
Jacob, Claus;
Ackermann, Lutz

Publication type:

Article

Cobalt(II)‐Catalyzed [4+2] Annulation of Picolinamides with Alkynes via C−H Bond Activation.

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 25, p. 5607, doi. 10.1002/chem.202000411

By:

Yao, Yongqi;
Lin, Qifu;
Yang, Wen;
Yang, Weitao;
Gu, Fenglong;
Guo, Wei;
Yang, Dingqiao

Publication type:

Article

ZnCl2‐Catalyzed [4+1] Annulation of Alkylthio‐Substituted Enaminones and Enaminothiones with Sulfur Ylides.

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 22, p. 4941, doi. 10.1002/chem.201905483

By:

He, Yuan;
Lou, Jiang;
Zhou, Yong‐Gui;
Yu, Zhengkun

Publication type:

Article

Asymmetric Construction of Alkaloids by Employing a Key ω‐Transaminase Cascade.

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 17, p. 3729, doi. 10.1002/chem.202000067

By:

Taday, Freya;
Ryan, James;
Argent, Stephen P.;
Caprio, Vittorio;
Maciá, Beatriz;
O'Reilly, Elaine

Publication type:

Article

Asymmetric Catalytic [4+5] Annulation of ortho‐Quinone Methides with Vinylethylene Carbonates and its Extension to Stereoselective Tandem Rearrangement.

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 17, p. 3803, doi. 10.1002/chem.201904903

By:

An, Xian‐Tao;
Du, Ji‐Yuan;
Jia, Zhi‐Long;
Zhang, Qing;
Yu, Ke‐Yin;
Zhang, Yi‐Zhou;
Zhao, Xian‐He;
Fang, Ran;
Fan, Chun‐An

Publication type:

Article

Palladium‐Catalyzed [3+2] and [2+2+2] Annulations of 4‐Iodo‐2‐quinolones with Activated Alkynes through Selective C−H Activation.

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 17, p. 3749, doi. 10.1002/chem.201904558

By:

Yamamoto, Yoshihiko;
Jiang, Jiyue;
Yasui, Takeshi

Publication type:

Article

Cover Feature: Electrochemical‐Induced Ring Transformation of Cyclic α‐(ortho‐Iodophenyl)‐β‐oxoesters (Chem. Eur. J. 15/2020).

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 15, p. 3190, doi. 10.1002/chem.202000281

By:

Strehl, Julia;
Kahrs, Christoph;
Müller, Thomas;
Hilt, Gerhard;
Christoffers, Jens

Publication type:

Article

N‐Heterocyclic Carbene‐Catalyzed Formal [6+2] Annulation Reaction via Cross‐Conjugated Aza‐Trienolate Intermediates.

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 4, p. 818, doi. 10.1002/chem.201905177

By:

Balanna, Kuruva;
Madica, Krishnaprasad;
Mukherjee, Subrata;
Ghosh, Arghya;
Poisson, Thomas;
Besset, Tatiana;
Jindal, Garima;
Biju, Akkattu T.

Publication type:

Article

Annulation of Oxime‐Ether Tethered Donor–Acceptor Cyclopropanes.

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 1, p. 171, doi. 10.1002/chem.201904521

By:

Irwin, Lauren C.;
Allen, Meredith A.;
Vriesen, Matthew R.;
Kerr, Michael A.

Publication type:

Article

Frontispiece: Formal Lossen Rearrangement/Alkenylation or Annulation Cascade of Heterole Carboxamides with Alkynes Catalyzed by CpRhIII Complexes with Pendant Amides.

Published in:

Chemistry - A European Journal, 2019, v. 25, n. 70, p. N.PAG, doi. 10.1002/chem.201904156

By:

Yamada, Takayuki;
Shibata, Yu;
Tanaka, Ken

Publication type:

Article

Formal Lossen Rearrangement/Alkenylation or Annulation Cascade of Heterole Carboxamides with Alkynes Catalyzed by CpRhIII Complexes with Pendant Amides.

Published in:

Chemistry - A European Journal, 2019, v. 25, n. 70, p. 16022, doi. 10.1002/chem.201904156

By:

Yamada, Takayuki;
Shibata, Yu;
Tanaka, Ken

Publication type:

Article

A Scaffold‐Diversity Synthesis of Biologically Intriguing Cyclic Sulfonamides.

Published in:

Chemistry - A European Journal, 2019, v. 25, n. 68, p. 15498, doi. 10.1002/chem.201904175

By:

Zimmermann, Stefan;
Akbarzadeh, Mohammad;
Otte, Felix;
Strohmann, Carsten;
Sankar, Muthukumar Gomathi;
Ziegler, Slava;
Pahl, Axel;
Sievers, Sonja;
Kumar, Kamal

Publication type:

Article

Alkynes as Linchpins for the Additive Annulation of Biphenyls: Convergent Construction of Functionalized Fused Helicenes.

Published in:

Angewandte Chemie, 2016, v. 128, n. 39, p. 12233, doi. 10.1002/ange.201606330

By:

Mohamed, Rana K.;
Mondal, Sayantan;
Guerrera, Joseph V.;
Eaton, Teresa M.;
Albrecht ‐ Schmitt, Thomas E.;
Shatruk, Michael;
Alabugin, Igor V.

Publication type:

Article

[5+2] Cycloaddition of 2-(2-Aminoethyl)oxiranes with Alkynes via Epoxide Ring-Opening: A Facile Access to Azepines.

Published in:

Angewandte Chemie, 2016, v. 128, n. 35, p. 10579, doi. 10.1002/ange.201604679

By:

Hu, Chao;
Song, Ren‐Jie;
Hu, Ming;
Yang, Yuan;
Li, Jin‐Heng;
Luo, Shenglian

Publication type:

Article