1
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Sun Z, He F, Xu Y, Lu M, Xiong H, Jiang Z, Wu C. Intramolecular Palladium(II)-Catalyzed Regioselective 6- endo or 6- exo C-H Benzannulation: An Approach for the Diversity-Oriented Synthesis of Quinolinone Derivatives from Pyridones. J Org Chem 2024; 89:7058-7064. [PMID: 38682741 DOI: 10.1021/acs.joc.4c00449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2024]
Abstract
Herein, a new intramolecular palladium(II)-catalyzed regioselective 6-endo-trig or 6-exo-trig annulation through direct C-H activation is presented as a method for the diversity-oriented synthesis of highly substituted quinolinones from pyridones. The reaction occurs under mild conditions and exhibits excellent regioselectivity, good functional group tolerance, and broad applications. This innovative approach has been successfully utilized in the synthesis of Glycopentanolone A and an intermediate of (R)-(+)-Tipifarnib.
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Affiliation(s)
- Ziyi Sun
- Key Laboratory of Xin'an Medicine, Ministry of Education, Anhui University of Chinese Medicine, Hefei, Anhui 230038, P. R. China
| | - Fengya He
- Key Laboratory of Xin'an Medicine, Ministry of Education, Anhui University of Chinese Medicine, Hefei, Anhui 230038, P. R. China
| | - Yiwei Xu
- Key Laboratory of Xin'an Medicine, Ministry of Education, Anhui University of Chinese Medicine, Hefei, Anhui 230038, P. R. China
| | - Mingxiang Lu
- Key Laboratory of Xin'an Medicine, Ministry of Education, Anhui University of Chinese Medicine, Hefei, Anhui 230038, P. R. China
| | - Hujie Xiong
- Key Laboratory of Xin'an Medicine, Ministry of Education, Anhui University of Chinese Medicine, Hefei, Anhui 230038, P. R. China
| | - Zibin Jiang
- Key Laboratory of Xin'an Medicine, Ministry of Education, Anhui University of Chinese Medicine, Hefei, Anhui 230038, P. R. China
| | - Chenggui Wu
- Key Laboratory of Xin'an Medicine, Ministry of Education, Anhui University of Chinese Medicine, Hefei, Anhui 230038, P. R. China
- Anhui Province Key Laboratory of Environmental Hormone and Reproduction, School of Biological and Food Engineering, Fuyang Normal University, Fuyang, Anhui 236037, P. R. China
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2
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Biswas S, Hughes WB, De Angelis L, Haug GC, Trevino R, Fremin SO, Arman HD, Larionov OV, Doyle MP. The "cesium effect" magnified: exceptional chemoselectivity in cesium ion mediated nucleophilic reactions. Chem Sci 2024; 15:5277-5283. [PMID: 38577370 PMCID: PMC10988617 DOI: 10.1039/d4sc00316k] [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: 01/14/2024] [Accepted: 03/01/2024] [Indexed: 04/06/2024] Open
Abstract
Chemodivergent construction of structurally distinct heterocycles from the same precursors by adjusting specific reaction parameters is an emergent area of organic synthesis; yet, understanding of the processes that underpin the reaction divergence is lacking, preventing the development of new synthetic methods by systematically harnessing key mechanistic effects. We describe herein cesium carbonate-promoted oxadiaza excision cross-coupling reactions of β-ketoesters with 1,2,3-triazine 1-oxides that form pyridones in good to high yields, instead of the sole formation of pyridines when the same reaction is performed in the presence of other alkali metal carbonates or organic bases. The reaction can be further extended to the construction of synthetically challenging pyridylpyridones. A computational study comparing the effect of cesium and sodium ions in the oxadiaza excision cross-coupling reactions reveals that the cesium-coordinated species changes the reaction preference from attack at the ketone carbonyl to attack at the ester carbon due to metal ion-specific transition state conformational accommodation, revealing a previously unexplored role of cesium ions that may facilitate the development of chemodivergent approaches to other heterocyclic systems.
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Affiliation(s)
- Soumen Biswas
- Department of Chemistry, The University of Texas at San Antonio One UTSA Circle San Antonio TX 78249 USA
| | - William B Hughes
- Department of Chemistry, The University of Texas at San Antonio One UTSA Circle San Antonio TX 78249 USA
| | - Luca De Angelis
- Department of Chemistry, The University of Texas at San Antonio One UTSA Circle San Antonio TX 78249 USA
| | - Graham C Haug
- Department of Chemistry, The University of Texas at San Antonio One UTSA Circle San Antonio TX 78249 USA
| | - Ramon Trevino
- Department of Chemistry, The University of Texas at San Antonio One UTSA Circle San Antonio TX 78249 USA
| | - Seth O Fremin
- Department of Chemistry, The University of Texas at San Antonio One UTSA Circle San Antonio TX 78249 USA
| | - Hadi D Arman
- Department of Chemistry, The University of Texas at San Antonio One UTSA Circle San Antonio TX 78249 USA
| | - Oleg V Larionov
- Department of Chemistry, The University of Texas at San Antonio One UTSA Circle San Antonio TX 78249 USA
| | - Michael P Doyle
- Department of Chemistry, The University of Texas at San Antonio One UTSA Circle San Antonio TX 78249 USA
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3
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Xu Y, Xiao Y, Zhang X, Fan X. Synthesis of Naphtho[1',2':4,5]furo[3,2- b]pyridinones via Ir(III)-Catalyzed C6/C5 Dual C-H Functionalization of N-Pyridyl-2-pyridones with Diazonaphthalen-2(1 H)-ones. Org Lett 2024; 26:786-791. [PMID: 38251835 DOI: 10.1021/acs.orglett.3c03849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2024]
Abstract
Presented herein is an unprecedented synthesis of naphtho[1',2':4,5]furo[3,2-b]pyridinones via Ir(III)-catalyzed C6/C5 dual C-H functionalization of N-pyridyl-2-pyridones with diazonaphthalen-2(1H)-ones. This protocol forms C-C and C-O bonds in one pot in which diazonaphthalen-2(1H)-ones serve as bifunctional reagents, providing both alkyl and aryloxy sources. To the best of our knowledge, this is the first example of an Ir(III)-catalyzed synthesis of the title compounds by using diazonaphthalen-2(1H)-ones as bifunctional substrates. Notably, this method features operational simplicity, good functional group tolerance, high efficiency, and high atom economy.
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Affiliation(s)
- Yuanshuang Xu
- State Key Laboratory of Antiviral Drugs, Pingyuan Laboratory, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Yujing Xiao
- State Key Laboratory of Antiviral Drugs, Pingyuan Laboratory, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Xinying Zhang
- State Key Laboratory of Antiviral Drugs, Pingyuan Laboratory, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Xuesen Fan
- State Key Laboratory of Antiviral Drugs, Pingyuan Laboratory, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
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4
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Yadav SK, Jeganmohan M. Nickel-Catalyzed Tandem Cyclization of 1,6-Diynes with Indolines/Indoles through Dual C-H Bond Activation. J Org Chem 2023; 88:14454-14469. [PMID: 37791905 DOI: 10.1021/acs.joc.3c01463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/05/2023]
Abstract
A nickel-catalyzed site-selective tandem cyclization of 1,6-diynes with substituted indolines or indoles through consecutive dual C-H bond activation is described. In the reaction, substituted fused indole and carbazole derivatives were observed in good to excellent yields, in which three consecutive C-C bonds formed in one pot. Later, in the presence of DDQ, the aromatization of the indoline derivative was converted to the indole derivative. A possible reaction mechanism involving dual C-H bond activation as a key step was proposed to account for the present reaction.
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Affiliation(s)
- Suresh Kumar Yadav
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, Tamil Nadu India
| | - Masilamani Jeganmohan
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, Tamil Nadu India
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5
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Kumar MN, Suresh V, Nagireddy A, Nanubolu JB, Reddy MS. Pd-catalyzed regioselective rollover dual C-H annulation cascade: facile approach to phenanthrene derivatives. Chem Commun (Camb) 2023. [PMID: 37475606 DOI: 10.1039/d3cc02523c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/22/2023]
Abstract
Annulations of unsaturated systems through C-H activation represent a powerful tool for producing multicyclic scaffolds. Having coordinating centers in both annulation partners (a dual coordination strategy) would afford remarkable selectivities in the outcomes. Along this concept, we report herein a Pd-catalyzed regioselective rollover cascade dual C-H annulation of o-arylphenols with alkynols for constructing phenanthrene scaffolds. Control, KIE and deuteration studies were conducted to determine the reaction mechanism, and downstream transformations and scaled-up reactions were carried out to assess the robustness of the transformation.
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Affiliation(s)
- Muniganti Naveen Kumar
- Department of OSPC, CSIR-Indian Institute of Chemical Technology, Habsiguda, Hyderabad 500007, India.
- Academy of Scientific and Innovative Research, Ghaziabad, 201 002, India
| | - Vavilapalli Suresh
- Department of OSPC, CSIR-Indian Institute of Chemical Technology, Habsiguda, Hyderabad 500007, India.
- Academy of Scientific and Innovative Research, Ghaziabad, 201 002, India
| | - Attunuri Nagireddy
- Department of OSPC, CSIR-Indian Institute of Chemical Technology, Habsiguda, Hyderabad 500007, India.
- Academy of Scientific and Innovative Research, Ghaziabad, 201 002, India
| | | | - Maddi Sridhar Reddy
- Department of OSPC, CSIR-Indian Institute of Chemical Technology, Habsiguda, Hyderabad 500007, India.
- Academy of Scientific and Innovative Research, Ghaziabad, 201 002, India
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6
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Suresh V, Naveen Kumar M, Nagireddy A, Sridhar Reddy M. Rhodium‐Catalyzed Dual C−H Activation for Regioselective Triple Annulation of Enaminones: Access to Polycyclic Naphthopyran Derivatives. Adv Synth Catal 2023. [DOI: 10.1002/adsc.202300131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2023]
Affiliation(s)
- Vavilapalli Suresh
- OSPC Division CSIR-Indian Institute of Chemical Technology Habsiguda Hyderabad 500007 India
- Academy of Scientific and Innovative Research Ghaziabad 201002 India
| | - Muniganti Naveen Kumar
- OSPC Division CSIR-Indian Institute of Chemical Technology Habsiguda Hyderabad 500007 India
- Academy of Scientific and Innovative Research Ghaziabad 201002 India
| | - Attunuri Nagireddy
- OSPC Division CSIR-Indian Institute of Chemical Technology Habsiguda Hyderabad 500007 India
- Academy of Scientific and Innovative Research Ghaziabad 201002 India
| | - Maddi Sridhar Reddy
- OSPC Division CSIR-Indian Institute of Chemical Technology Habsiguda Hyderabad 500007 India
- Academy of Scientific and Innovative Research Ghaziabad 201002 India
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7
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Bera S, Biswas A, Pal J, Roy L, Mondal S, Samanta R. Pd(II)-Catalyzed Oxidative Naphthylation of 2-Pyridone through N-H/C-H Activation Using Diarylacetylene as an Uncommon Arylating Agent. Org Lett 2023; 25:1952-1957. [PMID: 36896989 DOI: 10.1021/acs.orglett.3c00497] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/11/2023]
Abstract
A Pd(II)-catalyzed straightforward oxidative naphthylation of unmasked 2-pyridone derivatives is described using a twofold internal alkyne as a coupling partner. The reaction proceeds through N-H/C-H activation to provide polyarylated N-naphthyl 2-pyridones. An unusual oxidative annulation at the arene C-H bond of the diarylalkyne leads to the formation of polyarylated N-naphthyl 2-pyridones, where the 2-pyridone-attached phenyl ring of the naphthyl ring is polyaryl-substituted. Mechanistic studies and DFT calculations suggest a plausible mechanism based on N-H/C-H activation. The N-naphthyl 2-pyridone derivatives were studied to explore encouraging photophysical properties.
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Affiliation(s)
- Satabdi Bera
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal 721302, India
| | - Aniruddha Biswas
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal 721302, India
| | - Juthi Pal
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal 721302, India
| | - Lisa Roy
- Institute of Chemical Technology Mumbai, IOC Odisha Campus Bhubaneswar, Odisha 751013, India
| | - Supriya Mondal
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal 721302, India
| | - Rajarshi Samanta
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal 721302, India
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8
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Bera S, Sarkar S, Pal J, Samanta R. Rh(III)-Catalyzed Weakly Coordinating 2-Pyridone-Directed Oxidative Annulation Using Internal Alkynes: A Reversal in Selectivity. Org Lett 2022; 24:8470-8475. [DOI: 10.1021/acs.orglett.2c03187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Satabdi Bera
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Sanhita Sarkar
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Juthi Pal
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Rajarshi Samanta
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
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