1
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Ye Y, Berry M, Bock WJ, Cheng K, Nair SK, Park CS, Patman RL, Sakata S, Tran-Dubé M, Donaldson JS, Yang G, Liu G. Construction of Isoquinolone Scaffolds on DNA via Rhodium(III)-Catalyzed C-H Activation. Org Lett 2024; 26:3338-3342. [PMID: 38608176 DOI: 10.1021/acs.orglett.4c00604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/14/2024]
Abstract
Isoquinolone is one of the most common heterocyclic core structures in countless natural products and many bioactive compounds. Here, a highly efficient approach to synthesize isoquinolone scaffolds on DNA via rhodium(III)-catalyzed C-H activation has been described. This chemistry transformation is robust and has shown good compatibility with DNA, which is suitable for DNA-encoded library synthesis.
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Affiliation(s)
- Yusong Ye
- HitGen Inc., Building 6, No. 8 Huigu first East Road, Tianfu International Bio-Town, Shuangliu District, Chengdu 610200, Sichuan P. R. China
| | - Madeline Berry
- Pfizer Oncology Medicinal Chemistry, 10770 Science Center Drive, San Diego, California 92121, United States
| | - William J Bock
- Pfizer Oncology Medicinal Chemistry, 10770 Science Center Drive, San Diego, California 92121, United States
| | - Kunpeng Cheng
- HitGen Inc., Building 6, No. 8 Huigu first East Road, Tianfu International Bio-Town, Shuangliu District, Chengdu 610200, Sichuan P. R. China
| | - Sajiv K Nair
- Pfizer Oncology Medicinal Chemistry, 10770 Science Center Drive, San Diego, California 92121, United States
| | - Christiana S Park
- Pfizer Oncology Medicinal Chemistry, 10770 Science Center Drive, San Diego, California 92121, United States
| | - Ryan L Patman
- Pfizer Oncology Medicinal Chemistry, 10770 Science Center Drive, San Diego, California 92121, United States
| | - Sylvie Sakata
- Pfizer Oncology Medicinal Chemistry, 10770 Science Center Drive, San Diego, California 92121, United States
| | - Michelle Tran-Dubé
- Pfizer Oncology Medicinal Chemistry, 10770 Science Center Drive, San Diego, California 92121, United States
| | - Joyann S Donaldson
- Pfizer Oncology Medicinal Chemistry, 10770 Science Center Drive, San Diego, California 92121, United States
| | - Guanyu Yang
- HitGen Inc., Building 6, No. 8 Huigu first East Road, Tianfu International Bio-Town, Shuangliu District, Chengdu 610200, Sichuan P. R. China
| | - Guansai Liu
- HitGen Inc., Building 6, No. 8 Huigu first East Road, Tianfu International Bio-Town, Shuangliu District, Chengdu 610200, Sichuan P. R. China
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2
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Hirako N, Yasui T, Yamamoto Y. Rh(iii)-catalyzed highly site- and regio-selective alkenyl C-H activation/annulation of 4-amino-2-quinolones with alkynes via reversible alkyne insertion. Chem Sci 2023; 14:10971-10978. [PMID: 37829027 PMCID: PMC10566469 DOI: 10.1039/d3sc03987k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 09/12/2023] [Indexed: 10/14/2023] Open
Abstract
3,4-Fused 2-quinolone frameworks are important structural motifs found in natural products and biologically active compounds. Intermolecular alkenyl C-H activation/annulation of 4-amino-2-quinolone substrates with alkynes is one of the most efficient methods for accessing such structural motifs. However, this is a formidable challenge because 4-amino-2-quinolones have two cleavable C-H bonds: an alkenyl C-H bond at the C3-position and an aromatic C-H bond at the C5-position. Herein, we report the Rh(iii)-catalyzed highly site-selective alkenyl C-H functionalization of 4-amino-2-quinolones to afford 3,4-fused 2-quinolones. This method has a wide substrate scope, including unsymmetrical internal alkynes, with complete regioselectivity. Several control experiments using an isolated key intermediate analog suggested that the annulation reaction proceeds via reversible alkyne insertion involving a binuclear Rh complex although alkyne insertion is generally recognized as an irreversible process due to the high activation barrier of the reverse process.
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Affiliation(s)
- Naohiro Hirako
- Department of Basic Medicinal Sciences, Graduate School of Pharmaceutical Sciences, Nagoya University Furo-cho Chikusa Nagoya 464-8603 Japan
| | - Takeshi Yasui
- Department of Basic Medicinal Sciences, Graduate School of Pharmaceutical Sciences, Nagoya University Furo-cho Chikusa Nagoya 464-8603 Japan
| | - Yoshihiko Yamamoto
- Department of Basic Medicinal Sciences, Graduate School of Pharmaceutical Sciences, Nagoya University Furo-cho Chikusa Nagoya 464-8603 Japan
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3
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Karak P, Sreelakshmi PA, Chakraborty B, Pal M, Khatua B, Lal Koner A, Choudhury J. Annulation-Induced Hidden Reactivity of the 1,2,4-Triazole Backbone. Angew Chem Int Ed Engl 2023; 62:e202310603. [PMID: 37610555 DOI: 10.1002/anie.202310603] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 08/18/2023] [Accepted: 08/23/2023] [Indexed: 08/24/2023]
Abstract
Triazoles are an important class of compounds with widespread applications. Functionalization of the triazole backbone is thus of significant interest. In comparison to 1,2,3-triazoles, C-H activation-functionalization of the congeners 1,2,4-triazoles is surprisingly underdeveloped. Indeed, no such C-H activation-functionalization has been reported for 4-substituted 1,2,4-triazole cores. Furthermore, although denitrogenative ring-opening of 1,2,3-triazoles is well-explored, 1,2,4-triazole/triazolium substrates have not been known to exhibit N-N bond-cleaving ring-opening reactivity so far. In this work, we unveiled an unusual hidden reactivity of the 1,2,4-triazole backbone involving the elusive N-N bond-cleaving ring-opening reaction. This new reactivity was induced by a Satoh-Miura-type C-H activation-annulation at the 1,2,4-triazole motif appended with a pyridine directing group. This unique reaction allowed ready access to a novel class of unsymmetrically substituted 2,2'-dipyridylamines, with one pyridine ring fully-substituted with alkyl groups. The unsymmetrical 2,2'-dipyridylamines were utilized to access unsymmetrical boron-aza-dipyridylmethene fluorescent dyes. Empowered with desirable optical/physical properties such as large Stokes shifts and suitable hydrophobicity arising from optimal alkyl chain length at the fully-substituted pyridine-ring, these dyes were used for intracellular lipid droplet-selective imaging studies, which provided useful information toward designing suitable lipid droplet-selective imaging probes for biomedical applications.
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Affiliation(s)
- Pirudhan Karak
- Organometallics & Smart Materials Laboratory, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal, 462 066, India
| | - P A Sreelakshmi
- Organometallics & Smart Materials Laboratory, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal, 462 066, India
| | - Barsha Chakraborty
- Bionanotechnology Laboratory, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal, 462 066, India
| | - Manisha Pal
- Organometallics & Smart Materials Laboratory, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal, 462 066, India
| | - Bitasik Khatua
- Organometallics & Smart Materials Laboratory, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal, 462 066, India
| | - Apurba Lal Koner
- Bionanotechnology Laboratory, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal, 462 066, India
| | - Joyanta Choudhury
- Organometallics & Smart Materials Laboratory, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal, 462 066, India
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4
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Murray JC, Rose CR, Curto JM. A General Synthesis of Dihydronaphthyridinones with Aryl-Substituted Quaternary Benzylic Centers. J Org Chem 2023. [PMID: 36791410 DOI: 10.1021/acs.joc.2c02956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
A variety of 7,8-dihydro-1,6-naphthyridin-5(6H)-ones and 3,4-dihydro-2,7-naphthyridin-1(2H)-ones with quaternary centers and aryl substitutions at the benzylic carbon were synthesized with a new 3-step, 2-pot method. The first step is an SNAr using widely available 2- and 4-chloronicotinate esters and tertiary benzylic nitriles. The last two steps are a one-pot selective nitrile reduction in the presence of various heterocycles followed by a lactam ring closure of the free amine on the ester.
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Affiliation(s)
- John C Murray
- Pfizer Worldwide Research, Development & Medicine, Groton, Connecticut 06340, United States
| | - Colin R Rose
- Pfizer Worldwide Research, Development & Medicine, Groton, Connecticut 06340, United States
| | - John M Curto
- Pfizer Worldwide Research, Development & Medicine, Groton, Connecticut 06340, United States
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5
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Tang X, Ding S, Song L, Van der Eycken EV. Transition Metal-Catalyzed C-H Activation/Annulation Approaches to Isoindolo[2,1-b]isoquinolin-5(7H)-ones. CHEM REC 2023; 23:e202200255. [PMID: 36646518 DOI: 10.1002/tcr.202200255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/12/2022] [Indexed: 01/18/2023]
Abstract
The isoindolo[2,1-b]isoquinolin-5(7H)-one scaffold is widely present in lots of bioactive natural products. Diverse types of strategies have been developed to construct this scaffold. Recently, transition metal-catalyzed C-H activation/annulation is emerging as a powerful and straightforward method to construct diverse polyheterocycles with high atom- and step-economy. It also has been employed for the synthesis of the isoindolo[2,1-b]isoquinolin-5(7H)-one scaffold. This review provides an introduction to recent advances for the preparation of isoindolo[2,1-b]isoquinolin-5(7H)-ones by using transition metal-catalyzed C-H activation/annulation. It will help researchers to find hidden opportunities and accelerate the discovery of novel transformations based on C-H activation/annulation.
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Affiliation(s)
- Xiao Tang
- College of Science, Nanjing Forestry University, Nanjing, 210037, China
| | - Songtao Ding
- College of Science, Nanjing Forestry University, Nanjing, 210037, China
| | - Liangliang Song
- Jiangsu Provincial Key Lab for the Chemistry and Utilization of Agro-Forest Biomass, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Jiangsu Key Lab of Biomass-Based Green Fuels and Chemicals, International Innovation Center for Forest Chemicals and Materials, College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, Jiangsu, China
| | - Erik V Van der Eycken
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, University of Leuven (KU Leuven), Celestijnenlaan 200F, B-3001, Leuven, Belgium.,Peoples' Friendship University of Russia (RUDN University), Miklukho-Maklaya Street 6, 117198, Moscow, Russia
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6
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Vorobyeva DV, Petropavlovskikh DA, Godovikov IA, Dolgushin FM, Osipov SN. Synthesis of Functionalized Isoquinolone Derivatives via Rh(III)-Catalyzed [4+2]-Annulation of Benzamides with Internal Acetylene-Containing α-CF 3-α-Amino Carboxylates. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27238488. [PMID: 36500580 PMCID: PMC9736582 DOI: 10.3390/molecules27238488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 11/22/2022] [Accepted: 11/24/2022] [Indexed: 12/12/2022]
Abstract
A convenient pathway to a new series of α-CF3-substituted α-amino acid derivatives bearing pharmacophore isoquinolone core in their backbone has been developed. The method is based on [4+2]-annulation of N-(pivaloyloxy) aryl amides with orthogonally protected internal acetylene-containing α-amino carboxylates under Rh(III)-catalysis. The target annulation products can be easily transformed into valuable isoquinoline derivatives via a successive aromatization/cross-coupling operation.
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Affiliation(s)
- Daria V. Vorobyeva
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28/1 Vavilova Str., 119334 Moscow, Russia
| | - Dmitry A. Petropavlovskikh
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28/1 Vavilova Str., 119334 Moscow, Russia
| | - Ivan A. Godovikov
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28/1 Vavilova Str., 119334 Moscow, Russia
| | - Fedor M. Dolgushin
- N. S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninsky pr. 31, 119071 Moscow, Russia
- Plekhanov Russian University of Economics, 36, Stremyanny Per., 117997 Moscow, Russia
| | - Sergey N. Osipov
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28/1 Vavilova Str., 119334 Moscow, Russia
- Correspondence: ; Tel.: +7-499-135-1873
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7
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Mondal A, van Gemmeren M. Silver-Free C-H Activation: Strategic Approaches towards Realizing the Full Potential of C-H Activation in Sustainable Organic Synthesis. Angew Chem Int Ed Engl 2022; 61:e202210825. [PMID: 36062882 PMCID: PMC9828228 DOI: 10.1002/anie.202210825] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Indexed: 01/12/2023]
Abstract
The activation of carbon-hydrogen bonds is considered as one of the most attractive techniques in synthetic organic chemistry because it bears the potential to shorten synthetic routes as well as to produce complementary product scopes compared to traditional synthetic strategies. However, many current methods employ silver salts as additives, leading to stoichiometric metal waste and thereby preventing the full potential of C-H activation to be exploited. Therefore, the development of silver-free protocols has recently received increasing attention. Mechanistically, silver can serve various roles in C-H activation and thus, avoiding the use of silver requires different approaches based on the role it serves in a given process. In this Review, we present the comparison of silver-based and silver-free methods. Focusing on the strategic approaches to develop silver-free C-H activation, we provide the reader with the means to develop sustainable methods for C-H activation.
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Affiliation(s)
- Arup Mondal
- Organisch-Chemisches InstitutWestfälische Wilhelms-Universität MünsterCorrensstraße 3648149MünsterGermany
| | - Manuel van Gemmeren
- Otto-Diels-Institut für Organische ChemieChristian-Albrechts-Universität zu KielOtto-Hahn-Platz 424118KielGermany
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8
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Yang C, Shi L, Wang F, Su Y, Xia JB, Li F. Rhodium-Catalyzed Asymmetric (3 + 2 + 2) Annulation via N–H/C–H Dual Activation and Internal Alkyne Insertion toward N-Fused 5/7 Bicycles. ACS Catal 2022. [DOI: 10.1021/acscatal.2c04373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Chao Yang
- School of Materials Science and Engineering, Dongguan University of Technology, Dongguan 523808, China
- Department of Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Lijun Shi
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Fang Wang
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Yijin Su
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Ji-Bao Xia
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Fuwei Li
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
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9
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Das Adhikari GK, Pati BV, Mohanty SR, Prusty N, Ravikumar PC. Co(II) Catalysed C‐H/N‐H Annulation of Cyclic Alkenes with Benzamides at Room Temperature; An Easy Access to the Core Skeleton of Hexahydrobenzo[c]phenanthridine type‐Alkaloids. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
| | | | | | - Namrata Prusty
- National Institute of Science Education and Research Chemical Science INDIA
| | - Ponneri C. Ravikumar
- National Institute of Science Education and Research School of Chemical Sciences NISER Jatni Campus 752050 Bhubaneswar INDIA
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10
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Saiegh T, Meyer C, Cossy J. Rhodium(III)‐Catalyzed Heteroannulations of 3‐Sulfolene Derivatives via C(sp2)–H Activation. Access to Pyridine ortho‑Quinodimethane Precursors. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Tomas Saiegh
- ESPCI Paris Molecular, Macromolecular Chemistry, and Materials FRANCE
| | - Christophe Meyer
- ESPCI Paris, CNRS, PSL Research University Laboratory of Organic Chemsitry 10 rue Vauquelin 75005 PARIS FRANCE
| | - Janine Cossy
- ESPCI: ESPCI Paris Molecular, Macromolecular Chemistry, and Materials PARIS FRANCE
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11
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Cheng X, Taylor AP, Zhu K. Synthesis of Substituted 2-Pyridones via 6π-Electrocyclization of Dienyl Isocyanates. J Org Chem 2022; 87:6403-6409. [PMID: 35476425 DOI: 10.1021/acs.joc.2c00258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A one-pot Curtius rearrangement of dienyl carboxylic acids followed by a 6π-electrocyclization process to form substituted 2-pyridone products has been developed. Dienyl isocyanates generated from aliphatic acids were more reactive than their aromatic counterparts. Additionally, substitution patterns of the carboxylic acids had an impact on the efficiency of the cyclization.
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Affiliation(s)
- Xiayun Cheng
- Pfizer Medicinal Sciences, Eastern Point Road, Groton, Connecticut 06340, United States
| | - Alexandria P Taylor
- Pfizer Medicinal Sciences, Eastern Point Road, Groton, Connecticut 06340, United States
| | - Kaicheng Zhu
- Pfizer Medicinal Sciences, Eastern Point Road, Groton, Connecticut 06340, United States
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12
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Wang S, Yao L, Wang JS, Ying J, Wu XF. Cobalt-catalyzed C-H annulation of N-aroylpicolinamides with alkynes for (NH)-isoquinolones synthesis. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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13
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Gribanov PS, Vorobyeva DV, Tokarev SD, Petropavlovskikh DA, Loginov DA, Nefedov SE, Dolgushin FM, Osipov SN. Rhodium‐Catalyzed C‐H Activation/Annulation of Aryl Hydroxamates with Benzothiadiazol‐Containing Acetylenes. Access to Isoquinoline‐Bridged Donor‐Acceptor Luminophores. European J Org Chem 2022. [DOI: 10.1002/ejoc.202101572] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Pavel S. Gribanov
- A N Nesmeyanov Institute of Organoelement Compounds RAS: Institut elementoorganiceskih soedinenij imeni A N Nesmeanova RAN Organic Chemistry RUSSIAN FEDERATION
| | - Daria V. Vorobyeva
- A N Nesmeyanov Institute of Organoelement Compounds RAS: Institut elementoorganiceskih soedinenij imeni A N Nesmeanova RAN Organic Chemistry RUSSIAN FEDERATION
| | - Sergey D. Tokarev
- A N Nesmeyanov Institute of Organoelement Compounds RAS: Institut elementoorganiceskih soedinenij imeni A N Nesmeanova RAN Organic Chemistry RUSSIAN FEDERATION
| | - Dmitry A. Petropavlovskikh
- A N Nesmeyanov Institute of Organoelement Compounds RAS: Institut elementoorganiceskih soedinenij imeni A N Nesmeanova RAN Organic Chemistry RUSSIAN FEDERATION
| | - Dmitry A. Loginov
- A N Nesmeyanov Institute of Organoelement Compounds RAS: Institut elementoorganiceskih soedinenij imeni A N Nesmeanova RAN Organometallic Chemistry RUSSIAN FEDERATION
| | - Sergey E. Nefedov
- Kurnakov Institute of General and Inorganic Chemistry RAS: Institut obsej i neorganiceskoj himii imeni N S Kurnakova RAN X-ray RUSSIAN FEDERATION
| | - Fedor M. Dolgushin
- Kurnakov Institute of General and Inorganic Chemistry RAS: Institut obsej i neorganiceskoj himii imeni N S Kurnakova RAN X-ray RUSSIAN FEDERATION
| | - Sergey N. Osipov
- A.N. Nesmeyanov Institute of organoelement compounds, Russian Academy of Sciences Ecological Chemistry Vavilov28 119991 Moscow RUSSIAN FEDERATION
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14
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He Y, Tian L, Chang X, Qu Z, Huang Y, Huang C, Sun Q, Wang H. Rhodium-catalyzed formal [4 + 3] annulation reaction of N-methoxybenzamides with gem-difluorocyclopropenes: A combination of experimental and theoretical studies. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.01.068] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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15
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Singh RP, Tripathi KN, Singh S, Akhtar N, Manna K. Visible-Light-Driven Site-selective Alkylation of Benzo Core of Coumarins. Chem Commun (Camb) 2022; 58:9674-9677. [DOI: 10.1039/d2cc03073j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An unprecedented, straightforward photochemical platform for efficient site-selective C-H alkylation of C7 position of benzocore via the cross coupling between coumarins and NHPI ester, employing Ru(II) as photocatalyst in visible...
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16
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Suleman M, Qi M, Xie J, Lu P, Wang Y. Rh(III)-catalyzed C-H bond activation/annulation reactions of arylacyl ammonium salts with 4-diazoisochroman-3-imines and 4-diazoisoquinolin-3-ones. Org Biomol Chem 2022; 20:1900-1906. [DOI: 10.1039/d1ob02405a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report a C-H bond functionalization strategy for the construction of oxo- and aza-spirocyclic compounds from diazo compounds as coupling partners. Our method comprises ortho sp2 C-H bond activation of...
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17
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Liu J, Xiao X, Lai Y, Zhang Z. Recent advances in transition metal-catalyzed heteroannulative difunctionalization of alkenes via C-H activation for the synthesis of heterocycles. Org Chem Front 2022. [DOI: 10.1039/d2qo00081d] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Heterocyclic compounds are the fundamental structural motifs distributed in natural products, pharmaceuticals and biologically active compounds. Thus, there is increasing interest in the development of novel synthetic strategies for the...
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18
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Wen S, Zhang Y, Tian Q, Chen Y, Cheng G. Ruthenium( ii)-catalyzed synthesis of CF 3-isoquinolinones via C–H activation/annulation of benzoic acids and CF 3-imidoyl sulfoxonium ylides. Org Chem Front 2022. [DOI: 10.1039/d2qo00839d] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The synthesis of 3-trifluoromethylisoquinolinones by a ruthenium(ii)-catalyzed C–H activation/annulation reaction of benzoic acids and CF3-imidoyl sulfoxonium ylides has been achieved.
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Affiliation(s)
- Si Wen
- Xiamen Key Laboratory of Optoelectronic Materials and Advanced Manufacturing, College of Materials Science and Engineering, the Instrumental Analysis Center, Huaqiao University, Xiamen 361021, China
| | - Yuqing Zhang
- Xiamen Key Laboratory of Optoelectronic Materials and Advanced Manufacturing, College of Materials Science and Engineering, the Instrumental Analysis Center, Huaqiao University, Xiamen 361021, China
| | - Qingyu Tian
- Xiamen Key Laboratory of Optoelectronic Materials and Advanced Manufacturing, College of Materials Science and Engineering, the Instrumental Analysis Center, Huaqiao University, Xiamen 361021, China
| | - Yanhui Chen
- Xiamen Key Laboratory of Optoelectronic Materials and Advanced Manufacturing, College of Materials Science and Engineering, the Instrumental Analysis Center, Huaqiao University, Xiamen 361021, China
| | - Guolin Cheng
- Xiamen Key Laboratory of Optoelectronic Materials and Advanced Manufacturing, College of Materials Science and Engineering, the Instrumental Analysis Center, Huaqiao University, Xiamen 361021, China
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19
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Petropavlovskikh DA, Vorobyeva DV, Godovikov IA, Nefedov SE, Filippov OA, Osipov SN. Lossen rearrangement by Rh(III)-catalyzed C-H activation/annulation of aryl hydroxamates with alkynes: access to quinolone-containing amino acid derivatives. Org Biomol Chem 2021; 19:9421-9426. [PMID: 34668894 DOI: 10.1039/d1ob01711j] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
A convenient and robust method for the preparation of new CF3-containing 2-quinolones has been developed via a Rh(III)-catalyzed C-H activation/Lossen rearrangement/annulation cascade of N-pivaloyloxy-arylamides with internal alkynes bearing an α-CF3-α-amino acid moiety on the triple bond. This work expands the scope of valuable products that are available through C-H activation/annulation reactions of arylamides in organic synthesis.
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Affiliation(s)
- Dmitry A Petropavlovskikh
- A.N. Nesmeyanov Institute of Organoelement compounds, Russian Academy of Sciences, Vavilov str. 28, 119991 Moscow, Russia.
| | - Daria V Vorobyeva
- A.N. Nesmeyanov Institute of Organoelement compounds, Russian Academy of Sciences, Vavilov str. 28, 119991 Moscow, Russia.
| | - Ivan A Godovikov
- A.N. Nesmeyanov Institute of Organoelement compounds, Russian Academy of Sciences, Vavilov str. 28, 119991 Moscow, Russia.
| | - Sergey E Nefedov
- N. S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninsky pr. 31, 119991, Moscow, Russia
| | - Oleg A Filippov
- A.N. Nesmeyanov Institute of Organoelement compounds, Russian Academy of Sciences, Vavilov str. 28, 119991 Moscow, Russia.
| | - Sergey N Osipov
- A.N. Nesmeyanov Institute of Organoelement compounds, Russian Academy of Sciences, Vavilov str. 28, 119991 Moscow, Russia.
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20
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Moseley DF, Kalepu J, Willis MC. Azine-N-oxides as effective controlling groups for Rh-catalysed intermolecular alkyne hydroacylation. Chem Sci 2021; 12:13068-13073. [PMID: 34745537 PMCID: PMC8513814 DOI: 10.1039/d1sc03915f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Accepted: 09/07/2021] [Indexed: 12/03/2022] Open
Abstract
Heterocycle-derived aldehydes are challenging substrates in metal-catalysed hydroacylation chemistry. We show that by using azine N-oxide substituted aldehydes, good reactivity can be achieved, and that they are highly effective substrates for the intermolecular hydroacylation of alkynes. Employing a Rh(i)-catalyst, we achieve a mild and scalable aldehyde C-H activation, that permits the coupling with unactivated terminal alkynes, in good yields and with high regioselectivities (up to >20 : 1 l:b). Both substrates can tolerate a broad variety of functional groups. The reaction can also be applied to diazine aldehydes that contain a free N-lone pair. We demonstrate conversion of the hydroacylation products to the corresponding azine, through a one-pot hydroacylation/deoxygenation sequence. A one-pot hydroacylation/cyclisation, using N-Boc propargylamine, additionally leads to the synthesis of a bidentate pyrrolyl ligand.
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Affiliation(s)
- Daniel F Moseley
- Chemistry Research Laboratory, University of Oxford Mansfield Road Oxford OX1 3TA UK
| | - Jagadeesh Kalepu
- Chemistry Research Laboratory, University of Oxford Mansfield Road Oxford OX1 3TA UK
| | - Michael C Willis
- Chemistry Research Laboratory, University of Oxford Mansfield Road Oxford OX1 3TA UK
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21
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Liu S, Mao H, Qiao J, Zhang X, Lu Y, Gong X, Jia A, Gu L, Wu X, Zhao F. Temperature‐Controlled Divergent Synthesis of Tetrasubstituted Alkenes and Pyrrolo[1,2‐
a
]indole Derivatives via Iridium Catalysis. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100476] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Siyu Liu
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University No. 2025, Chengluo Avenue Chengdu 610106 P. R. China
- Jinhua Branch Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University 888 West Hai Tang Road Jinhua 321007 P. R. China
| | - Hui Mao
- College of Pharmacy Jinhua Polytechnic 888 West Hai Tang Road Jinhua 321007 P. R. China
| | - Jin Qiao
- Jinhua Branch Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University 888 West Hai Tang Road Jinhua 321007 P. R. China
| | - Xiaoning Zhang
- Jinhua Branch Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University 888 West Hai Tang Road Jinhua 321007 P. R. China
| | - Yangbin Lu
- Jinhua Branch Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University 888 West Hai Tang Road Jinhua 321007 P. R. China
| | - Xin Gong
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University No. 2025, Chengluo Avenue Chengdu 610106 P. R. China
| | - Aiqiong Jia
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University No. 2025, Chengluo Avenue Chengdu 610106 P. R. China
| | - Linghui Gu
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University No. 2025, Chengluo Avenue Chengdu 610106 P. R. China
| | - Xiaowei Wu
- Shanghai Institute of Materia Medica Chinese Academy of Sciences 555 Zuchongzhi Road Shanghai 201203 P. R. China
- Zhongshan Institute for Drug Discovery Shanghai Institute of Materia Medica Chinese Academy of Sciences Zhongshan 528400 P. R. China
| | - Fei Zhao
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University No. 2025, Chengluo Avenue Chengdu 610106 P. R. China
- Jinhua Branch Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University 888 West Hai Tang Road Jinhua 321007 P. R. China
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22
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Khake SM, Chatani N. Rh(III)-Catalyzed [3 + 2] Annulation of Aniline Derivatives with Vinylsilanes via C–H Activation/Alkene Cyclization: Access to Highly Regioselective Indoline Derivatives. ACS Catal 2021. [DOI: 10.1021/acscatal.1c03603] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Shrikant M. Khake
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Naoto Chatani
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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23
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Zhao F, Qiao J, Lu Y, Zhang X, Dai L, Liu S, Ni H, Jia X, Wu X, Lu S. Redox-Neutral Rhodium(III)-Catalyzed Chemospecific and Regiospecific [4+1] Annulation between Indoles and Alkenes for the Synthesis of Functionalized Imidazo[1,5- a]indoles. J Org Chem 2021; 86:10591-10607. [PMID: 34297561 DOI: 10.1021/acs.joc.1c01256] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Exploiting internal alkenes embedded with an oxidizing function/leaving group as a rare and unconventional one-carbon unit, a redox-neutral rhodium(III)-catalyzed chemo- and regiospecific [4+1] annulation between indoles and alkenes for the synthesis of functionalized imidazo[1,5-a]indoles has been achieved. Internal alkenes employed here can fulfill an unusual [4+1] annulation rather than normal [4+2] annulation/C-H alkenylation. This method is characterized by excellent chemo- and regioselectivity, broad substrate scope, good functional group tolerance, good to high yields, and redox-neutral conditions.
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Affiliation(s)
- Fei Zhao
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, P. R. China.,Jinhua Branch, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Jinhua 321007, P. R. China
| | - Jin Qiao
- Jinhua Branch, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Jinhua 321007, P. R. China
| | - Yangbin Lu
- Jinhua Branch, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Jinhua 321007, P. R. China
| | - Xiaoning Zhang
- Jinhua Branch, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Jinhua 321007, P. R. China
| | - Long Dai
- Jinhua Branch, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Jinhua 321007, P. R. China
| | - Siyu Liu
- Jinhua Branch, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Jinhua 321007, P. R. China
| | - Hangcheng Ni
- Jinhua Branch, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Jinhua 321007, P. R. China
| | - Xiuwen Jia
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, P. R. China
| | - Xiaowei Wu
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, P. R. China.,Zhongshan Institute for Drug Discovery, the Institutes of Drug Discovery and Development, Chinese Academy of Sciences, Zhongshan 528400, P. R. China
| | - Shiyao Lu
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, P. R. China.,Jinhua Branch, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Jinhua 321007, P. R. China
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24
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Wang F, Jing J, Zhao Y, Zhu X, Zhang XP, Zhao L, Hu P, Deng WQ, Li X. Rhodium-Catalyzed C-H Activation-Based Construction of Axially and Centrally Chiral Indenes through Two Discrete Insertions. Angew Chem Int Ed Engl 2021; 60:16628-16633. [PMID: 34008279 DOI: 10.1002/anie.202105093] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Indexed: 12/20/2022]
Abstract
Reported herein is asymmetric [3+2] annulation of arylnitrones with different classes of alkynes catalyzed by chiral rhodium(III) complexes, with the nitrone acting as an electrophilic directing group. Three classes of chiral indenes/indenones have been effectively constructed, depending on the nature of the substrates. The coupling system features mild reaction conditions, excellent enantioselectivity, and high atom-economy. In particular, the coupling of N-benzylnitrones and different classes of sterically hindered alkynes afforded C-C or C-N atropochiral pentatomic biaryls with a C-centered point-chirality in excellent enantio- and diastereoselectivity (45 examples, average 95.6 % ee). These chiral center and axis are disposed in a distal fashion and they are constructed via two distinct migratory insertions that are stereo-determining and are under catalyst control.
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Affiliation(s)
- Fen Wang
- School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi'an, 710062, China
| | - Jierui Jing
- School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi'an, 710062, China
| | - Yanliang Zhao
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Sciences, Shandong University, Qingdao, 266237, China
| | - Xiaohan Zhu
- School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi'an, 710062, China
| | - Xue-Peng Zhang
- School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi'an, 710062, China
| | - Liujie Zhao
- School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi'an, 710062, China
| | - Panjie Hu
- School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi'an, 710062, China
| | - Wei-Qiao Deng
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Sciences, Shandong University, Qingdao, 266237, China
| | - Xingwei Li
- School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi'an, 710062, China.,Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Sciences, Shandong University, Qingdao, 266237, China
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25
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Wang F, Jing J, Zhao Y, Zhu X, Zhang X, Zhao L, Hu P, Deng W, Li X. Rhodium‐Catalyzed C−H Activation‐Based Construction of Axially and Centrally Chiral Indenes through Two Discrete Insertions. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202105093] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Fen Wang
- School of Chemistry and Chemical Engineering Shaanxi Normal University (SNNU) Xi'an 710062 China
| | - Jierui Jing
- School of Chemistry and Chemical Engineering Shaanxi Normal University (SNNU) Xi'an 710062 China
| | - Yanliang Zhao
- Institute of Molecular Sciences and Engineering Institute of Frontier and Interdisciplinary Sciences Shandong University Qingdao 266237 China
| | - Xiaohan Zhu
- School of Chemistry and Chemical Engineering Shaanxi Normal University (SNNU) Xi'an 710062 China
| | - Xue‐Peng Zhang
- School of Chemistry and Chemical Engineering Shaanxi Normal University (SNNU) Xi'an 710062 China
| | - Liujie Zhao
- School of Chemistry and Chemical Engineering Shaanxi Normal University (SNNU) Xi'an 710062 China
| | - Panjie Hu
- School of Chemistry and Chemical Engineering Shaanxi Normal University (SNNU) Xi'an 710062 China
| | - Wei‐Qiao Deng
- Institute of Molecular Sciences and Engineering Institute of Frontier and Interdisciplinary Sciences Shandong University Qingdao 266237 China
| | - Xingwei Li
- School of Chemistry and Chemical Engineering Shaanxi Normal University (SNNU) Xi'an 710062 China
- Institute of Molecular Sciences and Engineering Institute of Frontier and Interdisciplinary Sciences Shandong University Qingdao 266237 China
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26
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Hao J, Ge Y, Yang L, Wang J, Luan X. Highly regioselective Ru(II)-catalyzed [3+2] spiroannulation of 1-aryl-2-naphthols with alkynes via a double directing group strategy. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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27
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Chen K, Dong H, Wang J, Lei X. Concise total synthesis of nauclefine: A regioselective Rhodium(III)-catalyzed oxidative C-H activation approach. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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28
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Vorobyeva DV, Petropavlovskikh DA, Godovikov IA, Nefedov SE, Osipov SN. Rh(III)‐Catalyzed C−H Activation/Annulation of Aryl Hydroxamates with CF
3
‐Containing
α
‐Propargyl
α
‐Amino Acid Derivatives. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100040] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Daria V. Vorobyeva
- Institute of Organoelement compounds Russian Academy of Sciences Vavilov str. 28 119991 Moscow Russian Federation
| | - Dmitry A. Petropavlovskikh
- Institute of Organoelement compounds Russian Academy of Sciences Vavilov str. 28 119991 Moscow Russian Federation
| | - Ivan A. Godovikov
- Institute of Organoelement compounds Russian Academy of Sciences Vavilov str. 28 119991 Moscow Russian Federation
| | - Sergey E. Nefedov
- Institute of General and Inorganic Chemistry Russian Academy of Sciences Leninsky pr. 31 119991 Moscow Russian Federation
| | - Sergey N. Osipov
- Institute of Organoelement compounds Russian Academy of Sciences Vavilov str. 28 119991 Moscow Russian Federation
- Peoples' Friendship University of Russia (RUDN University) Miklukho-Maklaya Str. 6 117198 Moscow Russian Federation
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29
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Wang Y, Oliveira JCA, Lin Z, Ackermann L. Electrooxidative Rhodium-Catalyzed [5+2] Annulations via C-H/O-H Activations. Angew Chem Int Ed Engl 2021; 60:6419-6424. [PMID: 33471952 PMCID: PMC7986427 DOI: 10.1002/anie.202016895] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Indexed: 01/28/2023]
Abstract
Electrooxidative annulations involving mild transition metal-catalyzed C-H activation have emerged as a transformative strategy for the rapid construction of five- and six-membered heterocycles. In contrast, we herein describe the first electrochemical metal-catalyzed [5+2] cycloadditions to assemble valuable seven-membered benzoxepine skeletons by C-H/O-H activation. The efficient alkyne annulation featured ample substrate scope, using electricity as the only oxidant. Mechanistic studies provided strong support for a rhodium(III/I) regime, involving a benzoxepine-coordinated rhodium(I) sandwich complex as the catalyst resting state, which was re-oxidized to rhodium(III) by anodic oxidation.
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Affiliation(s)
- Yulei Wang
- Institut für Organische und Biomolekulare Chemie, and Wöhler Research Institute for Sustainable ChemistryGeorg-August-Universität GöttingenTammannstrasse 237077GöttingenGermany
| | - João C. A. Oliveira
- Institut für Organische und Biomolekulare Chemie, and Wöhler Research Institute for Sustainable ChemistryGeorg-August-Universität GöttingenTammannstrasse 237077GöttingenGermany
| | - Zhipeng Lin
- Institut für Organische und Biomolekulare Chemie, and Wöhler Research Institute for Sustainable ChemistryGeorg-August-Universität GöttingenTammannstrasse 237077GöttingenGermany
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie, and Wöhler Research Institute for Sustainable ChemistryGeorg-August-Universität GöttingenTammannstrasse 237077GöttingenGermany
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30
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Wang Y, Oliveira JCA, Lin Z, Ackermann L. Elektrooxidative Rhodium‐katalysierte [5+2]‐Anellierung durch C‐H/O‐H‐Aktivierung. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202016895] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Yulei Wang
- Institut für Organische und Biomolekulare Chemie, und Wöhler Research Institute for Sustainable Chemistry Georg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
| | - João C. A. Oliveira
- Institut für Organische und Biomolekulare Chemie, und Wöhler Research Institute for Sustainable Chemistry Georg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
| | - Zhipeng Lin
- Institut für Organische und Biomolekulare Chemie, und Wöhler Research Institute for Sustainable Chemistry Georg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie, und Wöhler Research Institute for Sustainable Chemistry Georg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
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31
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Zhao F, Gong X, Lu Y, Qiao J, Jia X, Ni H, Wu X, Zhang X. Additive-Controlled Divergent Synthesis of Tetrasubstituted 1,3-Enynes and Alkynylated 3H-Pyrrolo[1,2-a]indol-3-ones via Rhodium Catalysis. Org Lett 2021; 23:727-733. [DOI: 10.1021/acs.orglett.0c03950] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Fei Zhao
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, P. R. China
| | - Xin Gong
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, P. R. China
| | - Yangbin Lu
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, P. R. China
| | - Jin Qiao
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, P. R. China
| | - Xiuwen Jia
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, P. R. China
| | - Hangcheng Ni
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, P. R. China
| | - Xiaowei Wu
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, P. R. China
| | - Xiaoning Zhang
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, P. R. China
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32
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Song L, Van der Eycken EV. Transition Metal-Catalyzed Intermolecular Cascade C-H Activation/Annulation Processes for the Synthesis of Polycycles. Chemistry 2020; 27:121-144. [PMID: 32530508 DOI: 10.1002/chem.202002110] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Indexed: 12/16/2022]
Abstract
Polycycles are abundantly present in numerous advanced chemicals, functional materials, bioactive molecules and natural products. However, the strategies for the synthesis of polycycles are limited to classical reactions and transition metal-catalyzed cross-coupling reactions, requiring pre-functionalized starting materials and lengthy synthetic operations. The emergence of novel approaches shows great promise for the fields of organic/medicinal/materials chemistry. Among them, transition metal-catalyzed C-H activation followed by intermolecular annulation reactions prevail, due to their straightforward manner with high atom- and step-economy, providing rapid, concise and efficient methods for the construction of diverse polycycles. Several strategies have been developed for the synthesis of polycycles, relying on sequential multiple C-H activation/annulation, or combination of C-H activation/annulation and further interaction with a proximal group, or merger of C-H activation with a cycloaddition reaction, or in situ formation of the directing group. These are attractive, efficient, step- and atom-economic methods starting from commercially available materials. This Minireview will provide an introduction to transition metal-catalyzed C-H activation for the synthesis of polycycles, helping researchers to discover indirect connections and reveal hidden opportunities. It will also promote the discovery of novel synthetic strategies relying on C-H activation.
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Affiliation(s)
- Liangliang Song
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, KU Leuven, Celestijnenlaan 200F, 3001, Leuven, Belgium
| | - Erik V Van der Eycken
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, KU Leuven, Celestijnenlaan 200F, 3001, Leuven, Belgium.,Peoples' Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya street, Moscow, 117198, Russia
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33
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Aneeja T, Neetha M, Afsina CMA, Anilkumar G. Progress and prospects in copper-catalyzed C-H functionalization. RSC Adv 2020; 10:34429-34458. [PMID: 35514395 PMCID: PMC9056871 DOI: 10.1039/d0ra06518h] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 09/02/2020] [Indexed: 01/21/2023] Open
Abstract
Copper-catalyzed C-H functionalization is becoming a significant area in organic chemistry. Copper is now widely used as a catalyst in organic synthesis as it is inexpensive and not very toxic. Functionalization of C-H bonds to construct wide varieties of organic compounds has received much attention in recent times. This review focuses on the recent advances in Cu-catalyzed C-H functionalization and covers literature from 2018-2020.
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Affiliation(s)
- Thaipparambil Aneeja
- School of Chemical Sciences, Mahatma Gandhi University Priyadarsini Hills P.O. Kottayam Kerala 686560 India (+91) 481-2731036
| | - Mohan Neetha
- School of Chemical Sciences, Mahatma Gandhi University Priyadarsini Hills P.O. Kottayam Kerala 686560 India (+91) 481-2731036
| | - C M A Afsina
- School of Chemical Sciences, Mahatma Gandhi University Priyadarsini Hills P.O. Kottayam Kerala 686560 India (+91) 481-2731036
| | - Gopinathan Anilkumar
- School of Chemical Sciences, Mahatma Gandhi University Priyadarsini Hills P.O. Kottayam Kerala 686560 India (+91) 481-2731036
- Advanced Molecular Materials Research Centre (AMMRC), Mahatma Gandhi University Priyadarsini Hills P.O. Kottayam Kerala 686560 India
- Institute for Integrated Programmes and Research in Basic Sciences (IIRBS), Mahatma Gandhi University Priyadarsini Hills P.O. Kottayam Kerala 686560 India
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34
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Kanchupalli V, Shukla RK, Singh A, Volla CMR. Rh(III)-Catalyzed Redox-Neutral Cascade Annulation of Benzamides with p
-Quinone Methides. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000863] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Vinaykumar Kanchupalli
- Department of Chemistry; Indian Institute of Technology Bombay; 400076 Mumbai Powai India
| | - Rahul K. Shukla
- Department of Chemistry; Indian Institute of Technology Bombay; 400076 Mumbai Powai India
| | - Anurag Singh
- Department of Chemistry; Indian Institute of Technology Bombay; 400076 Mumbai Powai India
| | - Chandra M. R. Volla
- Department of Chemistry; Indian Institute of Technology Bombay; 400076 Mumbai Powai India
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35
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Hua Y, Chen ZY, Diao H, Zhang L, Qiu G, Gao X, Zhou H. Copper-Catalyzed Preparation of Benzo[3,4]indolo[1,2- b]isoquinoline-8-ones and Photoluminescence Exploration. J Org Chem 2020; 85:9614-9621. [PMID: 32657128 DOI: 10.1021/acs.joc.0c00936] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
A facile synthesis of benzo[3,4]indolo[1,2-b]isoquinolin-8-ones is described. Under copper catalysis, the reaction proceeds with a high efficiency and a broad reaction scope. A deuteration experiment shows that the KIE value is 2.85. From the results on mechanism studies, copper-catalyzed C-H activation, intramolecular cis-addition of alkynes, and reductive elimination are involved. Moreover, this skeleton is indeed a new fluorophore, and its photophysical properties are also investigated.
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Affiliation(s)
- Yiwen Hua
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing, Zhejiang 314001, China
| | - Zi-Yan Chen
- School of Medicine, Jiaxing University, Jiaxing 314001, China
| | - Hanying Diao
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing, Zhejiang 314001, China
| | - Lianpeng Zhang
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing, Zhejiang 314001, China.,School of Materials Science and Engineering, Southwest Forestry University, Kunming 650224, China
| | - Guanyinsheng Qiu
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing, Zhejiang 314001, China
| | - Xiaoxing Gao
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing, Zhejiang 314001, China
| | - Hongwei Zhou
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing, Zhejiang 314001, China
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36
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Tan H, Laishram RD, Zhang X, Shi G, Li K, Chen J. Rhodium-Catalyzed Spiro Indenyl Benzoxazine Synthesis via C-H Activation/Annulation of 3-Aryl-2 H
-Benzo[ b
][1,4]oxazines and Alkynes. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000668] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Heng Tan
- Key Laboratory of Chemistry in Ethnic Medicinal Resources; Yunnan Minzu University; 650500 Kunming Yunnan China
| | - Ronibala Devi Laishram
- Key Laboratory of Chemistry in Ethnic Medicinal Resources; Yunnan Minzu University; 650500 Kunming Yunnan China
| | - Xuexin Zhang
- Key Laboratory of Chemistry in Ethnic Medicinal Resources; Yunnan Minzu University; 650500 Kunming Yunnan China
| | - Guangrui Shi
- Key Laboratory of Chemistry in Ethnic Medicinal Resources; Yunnan Minzu University; 650500 Kunming Yunnan China
| | - Kangkui Li
- Key Laboratory of Chemistry in Ethnic Medicinal Resources; Yunnan Minzu University; 650500 Kunming Yunnan China
| | - Jingchao Chen
- Key Laboratory of Chemistry in Ethnic Medicinal Resources; Yunnan Minzu University; 650500 Kunming Yunnan China
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37
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Murakami K, Nagamoto M, Nishimura T. Iridium-catalyzed Annulation of α,β-Unsaturated Amides with Electron-deficient Conjugated Dienes. CHEM LETT 2020. [DOI: 10.1246/cl.200193] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Kotone Murakami
- Department of Chemistry, Graduate School of Science, Osaka City University, Sumiyoshi, Osaka 558-8585, Japan
| | - Midori Nagamoto
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
| | - Takahiro Nishimura
- Department of Chemistry, Graduate School of Science, Osaka City University, Sumiyoshi, Osaka 558-8585, Japan
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38
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Meesa SR, Naikawadi PK, Gugulothu K, Shiva Kumar K. Catalyst and solvent switched divergent C-H functionalization: oxidative annulation of N-aryl substituted quinazolin-4-amine with alkynes. Org Biomol Chem 2020; 18:3032-3037. [PMID: 32242597 DOI: 10.1039/d0ob00318b] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The development of site-selective C-H functionalizations/annulations is one of the most challenging practices in synthetic organic chemistry particularly for substrates bearing several similarly reactive C-H bonds. Herein, we describe catalyst and solvent controlled ortho/peri site-selective oxidative annulation of C-H bonds of N-aryl substituted quinazolin-4-amines with internal alkynes. The ortho C-H selective annulation was observed using Pd-catalyst in DMF to give indole-quinazoline derivatives, while, Ru-catalyst in PEG-400 favoured the peri C-H bond annulation exclusively to furnish pyrido-quinazoline derivatives.
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Affiliation(s)
| | | | - Kishan Gugulothu
- Department of Chemistry, Osmania University, Hyderabad-500 007, India.
| | - K Shiva Kumar
- Department of Chemistry, Osmania University, Hyderabad-500 007, India.
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39
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Borths CJ, Walker SD. Accelerating Pharmaceutical Development via Metal‐Mediated Bond Formation. Isr J Chem 2020. [DOI: 10.1002/ijch.201900176] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
| | - Shawn D. Walker
- Development OperationsJohnson Matthey Inc. 25 Patton Road Devens MA USA 01434
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40
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Han Z, Zhang Z, Li W, Du Z, Tao B, Da C, Jiao Z, Chen H, Li Y. Ruthenium‐Catalyzed Double C(sp
2
)−H Functionalizations of Fumaramides with Alkynes for the Divergent Synthesis of Pyridones and Naphthyridinediones. ChemCatChem 2020. [DOI: 10.1002/cctc.201902160] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Zhi‐Jian Han
- The Key Laboratory of the Digestive System Tumors of Gansu Province Department of Tumor Center Lanzhou University Second Hospital Lanzhou 730030 P.R. China
| | - Ze‐Xuan Zhang
- School of Life Sciences State Key Laboratory of Applied Organic Chemistry and Key Lab of Preclinical Study for New Drugs of Gansu Province Lanzhou University Lanzhou 730000 China
| | - Wei‐Ping Li
- School of Life Sciences State Key Laboratory of Applied Organic Chemistry and Key Lab of Preclinical Study for New Drugs of Gansu Province Lanzhou University Lanzhou 730000 China
- Gansu Chemical Industry Research Institute Co. LTD Lanzhou 730000 P.R. China
| | - Zhi‐Hong Du
- School of Life Sciences State Key Laboratory of Applied Organic Chemistry and Key Lab of Preclinical Study for New Drugs of Gansu Province Lanzhou University Lanzhou 730000 China
| | - Bao‐Xiu Tao
- School of Life Sciences State Key Laboratory of Applied Organic Chemistry and Key Lab of Preclinical Study for New Drugs of Gansu Province Lanzhou University Lanzhou 730000 China
| | - Chao‐Shan Da
- School of Life Sciences State Key Laboratory of Applied Organic Chemistry and Key Lab of Preclinical Study for New Drugs of Gansu Province Lanzhou University Lanzhou 730000 China
| | - Zuo‐Yi Jiao
- The Key Laboratory of the Digestive System Tumors of Gansu Province Department of Tumor Center Lanzhou University Second Hospital Lanzhou 730030 P.R. China
| | - Hao Chen
- The Key Laboratory of the Digestive System Tumors of Gansu Province Department of Tumor Center Lanzhou University Second Hospital Lanzhou 730030 P.R. China
| | - Yumin Li
- The Key Laboratory of the Digestive System Tumors of Gansu Province Department of Tumor Center Lanzhou University Second Hospital Lanzhou 730030 P.R. China
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41
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Wen LR, Ren GY, Geng RS, Zhang LB, Li M. Fast construction of isoquinolin-1(2H)-ones by direct intramolecular C-H/N-H functionalization under metal-free conditions. Org Biomol Chem 2020; 18:225-229. [PMID: 31833525 DOI: 10.1039/c9ob02430a] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The general protocol for the synthesis of isoxazolidine-fused isoquinolin-1(2H)-ones was established with the help of bench stable hypervalent iodine reagent PIDA. Polycyclic six-, seven- and eight-membered N-heterocycles can be rapidly synthesized from available amides under metal-free conditions within 1 min at room temperature through C-H/N-H functionalization. Moreover, the protocol has the merits of broad substrate scope, atom economy and operational simplicity.
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Affiliation(s)
- Li-Rong Wen
- State Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, P. R. China.
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42
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Zhao Y, Shi C, Su X, Xia W. Synthesis of isoquinolones by visible-light-induced deaminative [4+2] annulation reactions. Chem Commun (Camb) 2020; 56:5259-5262. [DOI: 10.1039/d0cc01333a] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A metal-free approach for the synthesis of isoquinolone derivatives by means of photoinitiated deaminative [4+2] annulation of alkynes and N-amidepyridinium salts is presented.
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Affiliation(s)
- Yating Zhao
- College of Chemical and Material Engineering
- Quzhou University
- Quzhou
- China
- State Key Lab of Urban Water Resource and Environment
| | - Chengcheng Shi
- State Key Lab of Urban Water Resource and Environment
- Harbin Institute of Technology (Shenzhen)
- Shenzhen
- China
| | - Xing Su
- College of Chemical and Material Engineering
- Quzhou University
- Quzhou
- China
| | - Wujiong Xia
- State Key Lab of Urban Water Resource and Environment
- Harbin Institute of Technology (Shenzhen)
- Shenzhen
- China
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43
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Ueda M, Yasui M, Takeda N. Synthesis of Heterocycles Utilizing N-Alkoxyimines and Amides. HETEROCYCLES 2020. [DOI: 10.3987/rev-19-918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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44
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Kong GX, Han JN, Yang D, Niu JL, Song MP. Manganese-catalyzed cascade annulations of alkyne-tethered N-alkoxyamides: synthesis of polycyclic isoquinolin-1(2H)-ones. Org Biomol Chem 2019; 17:10167-10171. [PMID: 31782473 DOI: 10.1039/c9ob02364j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A strategy for the synthesis of isoxazolidine/1,2-oxazinane-fused isoquinolin-1(2H)-ones from alkyne-tethered N-alkoxyamides is described, in which cheap Mn(acac)2 is used as a catalyst to facilitate a radical cascade annulation. The method features mild conditions, additive-free reaction and broad substrate scope. It is the first example via manganese/air catalytic systems to construct isoquinolin-1(2H)-one heterocycles.
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Affiliation(s)
- Gui-Xian Kong
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
| | - Jiao-Na Han
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
| | - Dandan Yang
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
| | - Jun-Long Niu
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
| | - Mao-Ping Song
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
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45
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Wang P, Xu Y, Sun J, Li X. Rhodium(III)-Catalyzed Chemo-divergent Couplings of Sulfoxonium Ylides with Oxa/azabicyclic Olefins. Org Lett 2019; 21:8459-8463. [DOI: 10.1021/acs.orglett.9b03226] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Peiyuan Wang
- Key Laboratory of Applied Surface and Colloid Chemistry of MOE & School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi’an 710062, China
| | - Youwei Xu
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116923, China
| | - Jiaqiong Sun
- Key Laboratory of Applied Surface and Colloid Chemistry of MOE & School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi’an 710062, China
| | - Xingwei Li
- Key Laboratory of Applied Surface and Colloid Chemistry of MOE & School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi’an 710062, China
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116923, China
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46
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Sarathkumar S, Kavala V, Yao C. Microwave‐Assisted Ruthenium(II)‐Catalyzed C−H/N−O Activation of
N
‐Methoxybenzamides with Alkynylsulfane. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201900383] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Sundaramoorthi Sarathkumar
- Department of ChemistryNational Taiwan Normal University No, 88, Sec. 4, Ting-chow Rd Taipei- 11677 Taiwan R.O.C
| | - Veerababurao Kavala
- Department of ChemistryNational Taiwan Normal University No, 88, Sec. 4, Ting-chow Rd Taipei- 11677 Taiwan R.O.C
| | - Ching‐Fa Yao
- Department of ChemistryNational Taiwan Normal University No, 88, Sec. 4, Ting-chow Rd Taipei- 11677 Taiwan R.O.C
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47
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Yuan H, Wang M, Xu Z, Gao H. Palladium‐Catalyzed Annulation of Aryltriazoles and Arylisoxazoles with Alkynes. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900435] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Hairui Yuan
- School of Chemistry and Chemical Engineering, Key Laboratory of Colloid and Interface Chemistry, Ministry of EducationShandong University 27 South Shanda Road Ji'nan 250100 People's Republic of China
| | - Min Wang
- School of Chemistry and Chemical Engineering, Key Laboratory of Colloid and Interface Chemistry, Ministry of EducationShandong University 27 South Shanda Road Ji'nan 250100 People's Republic of China
| | - Zhenghu Xu
- School of Chemistry and Chemical Engineering, Key Laboratory of Colloid and Interface Chemistry, Ministry of EducationShandong University 27 South Shanda Road Ji'nan 250100 People's Republic of China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic ChemistryChinese Academy of Sciences Shanghai 200032 People's Republic of China
| | - Hongyin Gao
- School of Chemistry and Chemical Engineering, Key Laboratory of Colloid and Interface Chemistry, Ministry of EducationShandong University 27 South Shanda Road Ji'nan 250100 People's Republic of China
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48
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Barber JS, Scales S, Tran-Dubé M, Wang F, Sach NW, Bernier L, Collins MR, Zhu J, McAlpine IJ, Patman RL. Rhodium(III)-Catalyzed C-H Activation: Ligand-Controlled Regioselective Synthesis of 4-Methyl-Substituted Dihydroisoquinolones. Org Lett 2019; 21:5689-5693. [PMID: 31264873 DOI: 10.1021/acs.orglett.9b02029] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Rh-catalyzed C-H functionalization of O-pivaloyl benzhydroxamic acids with propene gas provides access to 4-methyl-substituted dihydroisoquinolones. Good to excellent levels of regioselectivity are achieved using [CptRhCl2]2 as a precatalyst under optimized conditions. Thorough examination of aryl/heteroaryl O-pivaloyl hydroxamic acid substrates, ligand effects on C-H site selectivity, alkene scope, and demonstration of scale are discussed within.
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Affiliation(s)
- Joyann S Barber
- Pfizer Oncology Medicinal Chemistry , 10770 Science Center Drive , San Diego , California 92121 , United States
| | - Stephanie Scales
- Pfizer Oncology Medicinal Chemistry , 10770 Science Center Drive , San Diego , California 92121 , United States
| | - Michelle Tran-Dubé
- Pfizer Oncology Medicinal Chemistry , 10770 Science Center Drive , San Diego , California 92121 , United States
| | - Fen Wang
- Pfizer Oncology Medicinal Chemistry , 10770 Science Center Drive , San Diego , California 92121 , United States
| | - Neal W Sach
- Pfizer Oncology Medicinal Chemistry , 10770 Science Center Drive , San Diego , California 92121 , United States
| | - Louise Bernier
- Pfizer Oncology Medicinal Chemistry , 10770 Science Center Drive , San Diego , California 92121 , United States
| | - Michael R Collins
- Pfizer Oncology Medicinal Chemistry , 10770 Science Center Drive , San Diego , California 92121 , United States
| | - JinJiang Zhu
- Pfizer Oncology Medicinal Chemistry , 10770 Science Center Drive , San Diego , California 92121 , United States
| | - Indrawan J McAlpine
- Pfizer Oncology Medicinal Chemistry , 10770 Science Center Drive , San Diego , California 92121 , United States
| | - Ryan L Patman
- Pfizer Oncology Medicinal Chemistry , 10770 Science Center Drive , San Diego , California 92121 , United States
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49
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Santhoshkumar R, Cheng CH. Reaching Green: Heterocycle Synthesis by Transition Metal-Catalyzed C-H Functionalization in Sustainable Medium. Chemistry 2019; 25:9366-9384. [PMID: 31116458 DOI: 10.1002/chem.201901026] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Revised: 04/26/2019] [Indexed: 01/18/2023]
Abstract
Catalytic C-H functionalization has emerged as an efficient alternative to traditional coupling reactions. However, some of these reactions depend on environmentally harmful solvents, weakening the overall green nature of these methods. As organic processes consume large amount of solvents, the use of less harmful solvents enhance the sustainability of these reactions. Herein, we present an overview of transition metal-catalyzed C-H functionalization reactions for the synthesis of heterocycles in sustainable solvents based on CHEM21 solvent selection guide.
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Affiliation(s)
| | - Chien-Hong Cheng
- Department of Chemistry, National Tsing Hua University, Hsinchu, 30013, Taiwan
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50
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Ling B, Liu Y, Jiang YY, Liu P, Bi S. Mechanistic Insights into the Ruthenium-Catalyzed [4 + 1] Annulation of Benzamides and Propargyl Alcohols by DFT Studies. Organometallics 2019. [DOI: 10.1021/acs.organomet.8b00769] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Baoping Ling
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, People’s Republic of China
| | - Yuxia Liu
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, People’s Republic of China
| | - Yuan-Ye Jiang
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, People’s Republic of China
| | - Peng Liu
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, People’s Republic of China
| | - Siwei Bi
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, People’s Republic of China
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