1
|
Lessi M, Lucci A, Cuzzola A, Bellina F. Imidazo-Fused Isoindoles by Pd(II)/Ag(I)-Promoted Intramolecular Dehydrogenative Coupling. European J Org Chem 2020. [DOI: 10.1002/ejoc.201901618] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Marco Lessi
- Dipartimento di Chimica e Chimica Industriale; Università di Pisa; Via Moruzzi 13 56124 Pisa Italy
| | - Antonio Lucci
- Dipartimento di Chimica e Chimica Industriale; Università di Pisa; Via Moruzzi 13 56124 Pisa Italy
| | - Angela Cuzzola
- Dipartimento di Chimica e Chimica Industriale; Università di Pisa; Via Moruzzi 13 56124 Pisa Italy
| | - Fabio Bellina
- Dipartimento di Chimica e Chimica Industriale; Università di Pisa; Via Moruzzi 13 56124 Pisa Italy
| |
Collapse
|
2
|
Schwärzer K, Tüllmann CP, Graßl S, Górski B, Brocklehurst CE, Knochel P. Functionalization of 1,3,4-Oxadiazoles and 1,2,4-Triazoles via Selective Zincation or Magnesiation Using 2,2,6,6-Tetramethylpiperidyl Bases. Org Lett 2020; 22:1899-1902. [PMID: 32048510 DOI: 10.1021/acs.orglett.0c00238] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
We report the metalation of the 1,3,4-oxadiazole and 1,2,4-triazole scaffolds via regioselective zincation or magnesiation using the TMP bases (TMP = 2,2,6,6-tetramethylpiperidyl) TMP2Zn·2LiCl, TMP2Zn·2MgCl2·2LiCl, TMPMgCl·LiCl, and TMPZnCl·LiCl under mild conditions in THF. Subsequent trapping with various electrophiles including hydroxylamino benzoates gives access to functionalized heterocycles while tolerating many functional groups.
Collapse
Affiliation(s)
- Kuno Schwärzer
- Department Chemie, Ludwig-Maximilians-Universität München, Butenandtstraße 5-13, Haus F, 81377 München, Germany
| | - Carl Phillip Tüllmann
- Department Chemie, Ludwig-Maximilians-Universität München, Butenandtstraße 5-13, Haus F, 81377 München, Germany
| | - Simon Graßl
- Department Chemie, Ludwig-Maximilians-Universität München, Butenandtstraße 5-13, Haus F, 81377 München, Germany
| | - Bartosz Górski
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
| | - Cara E Brocklehurst
- Global Discovery Chemistry, Novartis Institutes for BioMedical Research, 141 Klybeckstrasse, 4057 Basel, Switzerland
| | - Paul Knochel
- Department Chemie, Ludwig-Maximilians-Universität München, Butenandtstraße 5-13, Haus F, 81377 München, Germany
| |
Collapse
|
3
|
Guo Z, Shi L, Wang B, He G, Wang Y, Chen G. Synthesis of reversible PAD4 inhibitors via copper-catalyzed C−H arylation of benzimidazole. Sci China Chem 2019. [DOI: 10.1007/s11426-018-9409-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
|
4
|
Shan XH, Yang B, Zheng HX, Qu JP, Kang YB. Phenanthroline-tBuOK Promoted Intramolecular C–H Arylation of Indoles with ArI under Transition-Metal-Free Conditions. Org Lett 2018; 20:7898-7901. [DOI: 10.1021/acs.orglett.8b03449] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Xiang-Huan Shan
- Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Bo Yang
- Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Hong-Xing Zheng
- Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Jian-Ping Qu
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
| | - Yan-Biao Kang
- Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
| |
Collapse
|
5
|
Gandeepan P, Müller T, Zell D, Cera G, Warratz S, Ackermann L. 3d Transition Metals for C-H Activation. Chem Rev 2018; 119:2192-2452. [PMID: 30480438 DOI: 10.1021/acs.chemrev.8b00507] [Citation(s) in RCA: 1425] [Impact Index Per Article: 237.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
C-H activation has surfaced as an increasingly powerful tool for molecular sciences, with notable applications to material sciences, crop protection, drug discovery, and pharmaceutical industries, among others. Despite major advances, the vast majority of these C-H functionalizations required precious 4d or 5d transition metal catalysts. Given the cost-effective and sustainable nature of earth-abundant first row transition metals, the development of less toxic, inexpensive 3d metal catalysts for C-H activation has gained considerable recent momentum as a significantly more environmentally-benign and economically-attractive alternative. Herein, we provide a comprehensive overview on first row transition metal catalysts for C-H activation until summer 2018.
Collapse
Affiliation(s)
- Parthasarathy Gandeepan
- Institut für Organische und Biomolekulare Chemie , Georg-August-Universität Göttingen , Tammannstraße 2 , 37077 Göttingen , Germany
| | - Thomas Müller
- Institut für Organische und Biomolekulare Chemie , Georg-August-Universität Göttingen , Tammannstraße 2 , 37077 Göttingen , Germany
| | - Daniel Zell
- Institut für Organische und Biomolekulare Chemie , Georg-August-Universität Göttingen , Tammannstraße 2 , 37077 Göttingen , Germany
| | - Gianpiero Cera
- Institut für Organische und Biomolekulare Chemie , Georg-August-Universität Göttingen , Tammannstraße 2 , 37077 Göttingen , Germany
| | - Svenja Warratz
- Institut für Organische und Biomolekulare Chemie , Georg-August-Universität Göttingen , Tammannstraße 2 , 37077 Göttingen , Germany
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie , Georg-August-Universität Göttingen , Tammannstraße 2 , 37077 Göttingen , Germany
| |
Collapse
|
6
|
Ye P, Shao Y, Xie L, Shen K, Cheng T, Chen J. Lanthanide-Catalyzed Tandem Insertion of Secondary Amines with 2-Alkynylbenzonitriles: Synthesis of Aminoisoindoles. Chem Asian J 2018; 13:3681-3690. [PMID: 30209887 DOI: 10.1002/asia.201801252] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2018] [Revised: 09/12/2018] [Indexed: 12/20/2022]
Abstract
A lanthanide-catalyzed intermolecular hydroamination of 2-alkynylbenzonitriles with secondary amines has been disclosed, providing a streamlined access to a range of aminoisoindoles in moderate to excellent yields. The salient features of this reaction include high bond-formation efficiency, mild reaction conditions, 100 % atomic efficiency and good functional group tolerance. This methodology has also been successfully applied to the construction of other nitrogen-containing compounds, such as 5 H-imidazo[2,1-a]isoindoles and isoquinolines. A plausible mechanism for the formation of aminoisoindoles involving initial N-H activation by a lanthanide complex followed by C≡N insertion into a Ln-N bond to form an amidinate lanthanide intermediate, which undergoes the cyclization is proposed.
Collapse
Affiliation(s)
- Pengqing Ye
- College of Chemistry and Materials Engineering, Wenzhou University, Chashan Town, Wenzhou, 325035, China
| | - Yinlin Shao
- College of Chemistry and Materials Engineering, Wenzhou University, Chashan Town, Wenzhou, 325035, China
| | - Leping Xie
- College of Chemistry and Materials Engineering, Wenzhou University, Chashan Town, Wenzhou, 325035, China
| | - Keting Shen
- College of Chemistry and Materials Engineering, Wenzhou University, Chashan Town, Wenzhou, 325035, China
| | - Tianxing Cheng
- College of Chemistry and Materials Engineering, Wenzhou University, Chashan Town, Wenzhou, 325035, China
| | - Jiuxi Chen
- College of Chemistry and Materials Engineering, Wenzhou University, Chashan Town, Wenzhou, 325035, China
| |
Collapse
|
7
|
Funt LD, Tomashenko OA, Mosiagin IP, Novikov MS, Khlebnikov AF. Synthesis of Pyrrolotriazoloisoquinoline Frameworks by Intramolecular Cu-Mediated or Free Radical Arylation of Triazoles. J Org Chem 2017; 82:7583-7594. [DOI: 10.1021/acs.joc.7b01341] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Liya D. Funt
- Institute of Chemistry, Saint Petersburg State University, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia
| | - Olesya A. Tomashenko
- Institute of Chemistry, Saint Petersburg State University, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia
| | - Ivan P. Mosiagin
- Institute of Chemistry, Saint Petersburg State University, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia
| | - Mikhail S. Novikov
- Institute of Chemistry, Saint Petersburg State University, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia
| | - Alexander F. Khlebnikov
- Institute of Chemistry, Saint Petersburg State University, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia
| |
Collapse
|
8
|
Baladi T, Granzhan A, Piguel S. Microwave-Assisted C-2 Direct Alkenylation of Imidazo[4,5-b]pyridines: Access to Fluorescent Purine Isosteres with Remarkably Large Stokes Shifts. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600166] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
|
9
|
Allu S, Kumara Swamy KC. Ruthenium-Catalyzed Oxidative Annulation of 6-Anilinopurines with AlkynesviaCH Activation: Synthesis of Indole-Substituted Purines/Purine Nucleosides. Adv Synth Catal 2015. [DOI: 10.1002/adsc.201500314] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
|
10
|
Liang Y, Wnuk SF. Modification of purine and pyrimidine nucleosides by direct C-H bond activation. Molecules 2015; 20:4874-901. [PMID: 25789821 PMCID: PMC6272170 DOI: 10.3390/molecules20034874] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2015] [Revised: 03/11/2015] [Accepted: 03/13/2015] [Indexed: 12/02/2022] Open
Abstract
Transition metal-catalyzed modifications of the activated heterocyclic bases of nucleosides as well as DNA or RNA fragments employing traditional cross-coupling methods have been well-established in nucleic acid chemistry. This review covers advances in the area of cross-coupling reactions in which nucleosides are functionalized via direct activation of the C8-H bond in purine and the C5-H or C6-H bond in uracil bases. The review focuses on Pd/Cu-catalyzed couplings between unactivated nucleoside bases with aryl halides. It also discusses cross-dehydrogenative arylations and alkenylations as well as other reactions used for modification of nucleoside bases that avoid the use of organometallic precursors and involve direct C-H bond activation in at least one substrate. The scope and efficiency of these coupling reactions along with some mechanistic considerations are discussed.
Collapse
Affiliation(s)
- Yong Liang
- Department of Chemistry and Biochemistry, Florida International University, Miami, FL 33199, USA.
| | - Stanislaw F Wnuk
- Department of Chemistry and Biochemistry, Florida International University, Miami, FL 33199, USA.
| |
Collapse
|
11
|
Abdoli M, Mirjafary Z, Saeidian H, Kakanejadifard A. New developments in direct functionalization of C–H and N–H bonds of purine bases via metal catalyzed cross-coupling reactions. RSC Adv 2015. [DOI: 10.1039/c5ra04406e] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
This review provides a concise overview on the cross-coupling reactions in direct functionalization of purine bases in recent years.
Collapse
Affiliation(s)
- Morteza Abdoli
- Department of Chemistry
- Lorestan University
- Khorramabad
- Iran
| | - Zohreh Mirjafary
- Department of Chemistry
- Tehran Science and Research Branch
- Islamic Azad University
- Tehran
- Iran
| | - Hamid Saeidian
- Department of Science
- Payame Noor University (PNU)
- Tehran
- Iran
| | | |
Collapse
|
12
|
Laha JK, Dayal N, Singh S, Bhimpuria R. Dual Catalysis in DominoN-Benzylation/Intramolecular C-H Arylation: Regio- and Chemoselective Synthesis of Annelated Nitrogen Heterocycles. European J Org Chem 2014. [DOI: 10.1002/ejoc.201402395] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
|
13
|
Pereira KC, Porter AL, DeBoef B. Intramolecular arylation of benzimidazoles via Pd(II)/Cu(I) catalyzed cross-dehydrogenative coupling. Tetrahedron Lett 2014; 55:1729-1732. [PMID: 24764603 PMCID: PMC3993984 DOI: 10.1016/j.tetlet.2014.01.103] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Electron poor benzimidazole substrates were arylated via an intramolecular cross-dehydrogenative coupling (CDC) reaction. These CDC reactions were catalyzed by a Pd(II)/Cu(I) catalyst system, capable of producing moderate yields on a large library of substrates. The substrate scope consisted of tethered arene-benzimidazoles that upon coupling, produced a fused polycyclic motif.
Collapse
Affiliation(s)
- Kyle C. Pereira
- Department of Chemistry, University of Rhode Island, Kingston, RI 02881, USA
| | - Ashley L. Porter
- Department of Chemistry, University of Rhode Island, Kingston, RI 02881, USA
| | - Brenton DeBoef
- Department of Chemistry, University of Rhode Island, Kingston, RI 02881, USA
| |
Collapse
|
14
|
Huang Y, Chen W, Zhao D, Chen C, Yin H, Zheng L, Jin M, Han S. Copper(I)-Catalyzed Intramolecular Direct C-Arylation of Azoles with Aryl Bromides. CHINESE J CHEM 2013. [DOI: 10.1002/cjoc.201300399] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
|
15
|
Macdonald J, Oldfield V, Bavetsias V, Blagg J. Regioselective C2-arylation of imidazo[4,5-b]pyridines. Org Biomol Chem 2013; 11:2335-47. [PMID: 23429655 DOI: 10.1039/c3ob27477b] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We show that N3-MEM-protected imidazo[4,5-b]pyridines undergo efficient C2-functionalisation via direct C-H arylation. Twenty-two substituted imidazo[4,5-b]pyridines are prepared and iterative, selective elaboration of functionalised imidazo[4,5-b]pyridines gives 2,7- and 2,6-disubstituted derivatives in good yields from common intermediates. Mechanistic observations are consistent with a concerted-metallation-deprotonation mechanism facilitated by coordination of copper(I)iodide to the imidazo[4,5-b]pyridine.
Collapse
Affiliation(s)
- Jonathan Macdonald
- Cancer Research UK Cancer Therapeutics Unit, Division of Cancer Therapeutics, The Institute of Cancer Research, Haddow Laboratories, Sutton, Surrey SM2 5NG, UK
| | | | | | | |
Collapse
|
16
|
Metal-free construction of tricyclic or tetracyclic compounds—acid-promoted synthesis of benzo[4,5]imidazo[2,1-a]isoindole and 1,2-dialkyl-2,3-dihydrobenzimidazoles. Tetrahedron 2013. [DOI: 10.1016/j.tet.2012.10.030] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
|
17
|
Jeyachandran R, Potukuchi HK, Ackermann L. Copper-catalyzed CuAAC/intramolecular C-H arylation sequence: Synthesis of annulated 1,2,3-triazoles. Beilstein J Org Chem 2012; 8:1771-7. [PMID: 23209511 PMCID: PMC3511011 DOI: 10.3762/bjoc.8.202] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2012] [Accepted: 09/19/2012] [Indexed: 01/31/2023] Open
Abstract
Step-economical syntheses of annulated 1,2,3-triazoles were accomplished through copper-catalyzed intramolecular direct arylations in sustainable one-pot reactions. Thus, catalyzed cascade reactions involving [3 + 2]-azide-alkyne cycloadditions (CuAAC) and C-H bond functionalizations provided direct access to fully substituted 1,2,3-triazoles with excellent chemo- and regioselectivities. Likewise, the optimized catalytic system proved applicable to the direct preparation of 1,2-diarylated azoles through a one-pot C-H/N-H arylation reaction.
Collapse
Affiliation(s)
- Rajkumar Jeyachandran
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität, Tammannstrasse 2, 37077 Göttingen, Germany
| | - Harish Kumar Potukuchi
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität, Tammannstrasse 2, 37077 Göttingen, Germany
- Lehrstuhl für Organische Chemie I, Lichtenbergstrasse 4, 85747 Garching, Germany
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität, Tammannstrasse 2, 37077 Göttingen, Germany
| |
Collapse
|
18
|
Zhao J, Zhang Q, Liu L, He Y, Li J, Li J, Zhu Q. CuI-Mediated Sequential Iodination/Cycloetherification of o-Arylphenols: Synthesis of 2- or 4-Iododibenzofurans and Mechanistic Studies. Org Lett 2012; 14:5362-5. [PMID: 23025569 DOI: 10.1021/ol302562a] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Jiaji Zhao
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, 190 Kaiyuan Avenue, Guangzhou 510530, P. R. China, and Department of Chemistry, Jinan University, Huangpu Road West 601, Guangzhou 510632, P. R. China
| | - Qi Zhang
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, 190 Kaiyuan Avenue, Guangzhou 510530, P. R. China, and Department of Chemistry, Jinan University, Huangpu Road West 601, Guangzhou 510632, P. R. China
| | - Lanying Liu
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, 190 Kaiyuan Avenue, Guangzhou 510530, P. R. China, and Department of Chemistry, Jinan University, Huangpu Road West 601, Guangzhou 510632, P. R. China
| | - Yimiao He
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, 190 Kaiyuan Avenue, Guangzhou 510530, P. R. China, and Department of Chemistry, Jinan University, Huangpu Road West 601, Guangzhou 510632, P. R. China
| | - Jing Li
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, 190 Kaiyuan Avenue, Guangzhou 510530, P. R. China, and Department of Chemistry, Jinan University, Huangpu Road West 601, Guangzhou 510632, P. R. China
| | - Juan Li
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, 190 Kaiyuan Avenue, Guangzhou 510530, P. R. China, and Department of Chemistry, Jinan University, Huangpu Road West 601, Guangzhou 510632, P. R. China
| | - Qiang Zhu
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, 190 Kaiyuan Avenue, Guangzhou 510530, P. R. China, and Department of Chemistry, Jinan University, Huangpu Road West 601, Guangzhou 510632, P. R. China
| |
Collapse
|
19
|
Berrino R, Cacchi S, Fabrizi G, Goggiamani A. 4-Aryl-2-quinolones from 3,3-Diarylacrylamides through Intramolecular Copper-Catalyzed C–H Functionalization/C–N Bond Formation. J Org Chem 2012; 77:2537-42. [DOI: 10.1021/jo202427m] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Roberta Berrino
- Dipartimento
di Chimica e Tecnologie del Farmaco, La
Sapienza, Università di Roma, P.
le A. Moro 5, 00185 Rome, Italy
| | - Sandro Cacchi
- Dipartimento
di Chimica e Tecnologie del Farmaco, La
Sapienza, Università di Roma, P.
le A. Moro 5, 00185 Rome, Italy
| | - Giancarlo Fabrizi
- Dipartimento
di Chimica e Tecnologie del Farmaco, La
Sapienza, Università di Roma, P.
le A. Moro 5, 00185 Rome, Italy
| | - Antonella Goggiamani
- Dipartimento
di Chimica e Tecnologie del Farmaco, La
Sapienza, Università di Roma, P.
le A. Moro 5, 00185 Rome, Italy
| |
Collapse
|
20
|
Nagarjuna Reddy M, Kumara Swamy KC. Facile Construction of [6,6]-, [6,7]-, [6,8]-, and [6,9]Ring-Fused Triazole Frameworks by Copper-Catalyzed, Tandem, One-Pot, Click and Intramolecular Arylation Reactions: Elaboration to Fused Pentacyclic Derivatives. European J Org Chem 2012. [DOI: 10.1002/ejoc.201101816] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
|
21
|
Wang M, Fan T, Lin Z. DFT Studies on Copper-Catalyzed Arylation of Aromatic C–H Bonds. Organometallics 2012. [DOI: 10.1021/om2007612] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Meiyan Wang
- Department of Chemistry, The Hong Kong University of Science and Technology,
Clear Water Bay, Kowloon, Hong Kong, People’s Republic of
China
| | - Ting Fan
- Department of Chemistry, The Hong Kong University of Science and Technology,
Clear Water Bay, Kowloon, Hong Kong, People’s Republic of
China
| | - Zhenyang Lin
- Department of Chemistry, The Hong Kong University of Science and Technology,
Clear Water Bay, Kowloon, Hong Kong, People’s Republic of
China
| |
Collapse
|
22
|
Meng G, Niu HY, Qu GR, Fossey JS, Li JP, Guo HM. Synthesis of fused N-heterocycles via tandem C–H activation. Chem Commun (Camb) 2012; 48:9601-3. [DOI: 10.1039/c2cc34158a] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
23
|
Linsenmeier AM, Williams CM, Bräse S. Synthesis of Phenanthridine Derivatives via Photolysis. J Org Chem 2011; 76:9127-32. [DOI: 10.1021/jo201542x] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Anna M. Linsenmeier
- School of Chemistry and Molecular Biosciences, University of Queensland, Brisbane 4072, Queensland, Australia
- Karlsruhe Institute of Technology (KIT), Campus South, Institute of Organic Chemistry, Fritz-Haber-Weg 6, 76131 Karlsruhe, Germany
| | - Craig M. Williams
- School of Chemistry and Molecular Biosciences, University of Queensland, Brisbane 4072, Queensland, Australia
| | - Stefan Bräse
- Karlsruhe Institute of Technology (KIT), Campus South, Institute of Organic Chemistry, Fritz-Haber-Weg 6, 76131 Karlsruhe, Germany
| |
Collapse
|
24
|
Laha JK, Cuny GD. Synthesis of Fused Imidazoles, Pyrroles, and Indoles with a Defined Stereocenter α to Nitrogen Utilizing Mitsunobu Alkylation Followed by Palladium-Catalyzed Cyclization. J Org Chem 2011; 76:8477-82. [DOI: 10.1021/jo201237h] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Joydev K. Laha
- Laboratory for Drug Discovery in Neurodegeneration, Harvard NeuroDiscovery Center, Brigham & Women’s Hospital and Harvard Medical School, 65 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Gregory D. Cuny
- Laboratory for Drug Discovery in Neurodegeneration, Harvard NeuroDiscovery Center, Brigham & Women’s Hospital and Harvard Medical School, 65 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| |
Collapse
|
25
|
Štefane B, Fabris J, Požgan F. C-H Bond Functionalization of Arylpyrimidines Catalyzed by an in situ Generated Ruthenium(II) Carboxylate System and the Construction of Tris(heteroaryl)-Substituted Benzenes. European J Org Chem 2011. [DOI: 10.1002/ejoc.201100238] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
|
26
|
Molander GA, Colombel V, Braz VA. Direct alkylation of heteroaryls using potassium alkyl- and alkoxymethyltrifluoroborates. Org Lett 2011; 13:1852-5. [PMID: 21391555 PMCID: PMC3069859 DOI: 10.1021/ol2003572] [Citation(s) in RCA: 231] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
A direct alkylation of various heteroaryls using stoichiometric potassium alkyl- and alkoxymethyltrifluoroborates has been developed. This method leads to the synthesis of complex substituted heterocycles, which have been obtained with yields up to 89%.
Collapse
Affiliation(s)
- Gary A Molander
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States.
| | | | | |
Collapse
|
27
|
Shibahara F, Yamaguchi E, Murai T. Direct Arylation of Simple Azoles Catalyzed by 1,10-Phenanthroline Containing Palladium Complexes: An Investigation of C4 Arylation of Azoles and the Synthesis of Triarylated Azoles by Sequential Arylation. J Org Chem 2011; 76:2680-93. [DOI: 10.1021/jo200067y] [Citation(s) in RCA: 118] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Fumitoshi Shibahara
- Department of Chemistry, Faculty of Engineering, Gifu University, Yanagido, Gifu 501-1193, Japan
| | - Eiji Yamaguchi
- Department of Chemistry, Faculty of Engineering, Gifu University, Yanagido, Gifu 501-1193, Japan
| | - Toshiaki Murai
- Department of Chemistry, Faculty of Engineering, Gifu University, Yanagido, Gifu 501-1193, Japan
| |
Collapse
|
28
|
Groebke–Blackburn–Bienaymé multicomponent reaction in scaffold-modification of adenine, guanine, and cytosine: synthesis of aminoimidazole-condensed nucleobases. Tetrahedron Lett 2011. [DOI: 10.1016/j.tetlet.2010.10.143] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
|
29
|
Čerňa I, Pohl R, Klepetářová B, Hocek M. Intramolecular Direct C−H Arylation Approach to Fused Purines. Synthesis of Purino[8,9-f]phenanthridines and 5,6-Dihydropurino[8,9-a]isoquinolines§Dedicated to the memory of Keith Fagnou. J Org Chem 2010; 75:2302-8. [DOI: 10.1021/jo100111t] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Igor Čerňa
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, CZ-16610, Prague 6, Czech Republic
| | - Radek Pohl
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, CZ-16610, Prague 6, Czech Republic
| | - Blanka Klepetářová
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, CZ-16610, Prague 6, Czech Republic
| | - Michal Hocek
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, CZ-16610, Prague 6, Czech Republic
| |
Collapse
|