1
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Nishiyama T, Mizuno S, Hieda Y, Choshi T. Progress on the Synthesis of the Aromathecin Family of Compounds: An Overview. Molecules 2024; 29:2380. [PMID: 38792241 PMCID: PMC11124238 DOI: 10.3390/molecules29102380] [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: 04/13/2024] [Revised: 05/14/2024] [Accepted: 05/17/2024] [Indexed: 05/26/2024] Open
Abstract
We present a systematic review of the methods developed for the synthesis of the aromathecin family of compounds (benz[6,7]indolizino[1,2-b]quinolin-11(13H)-ones) and their derivatives. These methods can be broadly classified into four categories based on the construction of pentacyclic structures: Category 1: by constructing a pyridone moiety (D-ring) on the pyrroloquinoline ring (A/B/C-ring), Category 2: by constructing a pyridine moiety (B-ring) on the pyrroloisoquinolone ring (C/D/E-ring), Category 3: by constructing an indolizidinone moiety (C/D-ring) in a tandem reaction, and Category 4: by constructing a pyrrolidine moiety (C-ring) on the isoquinolone ring (D/E-ring).
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Affiliation(s)
| | | | | | - Tominari Choshi
- Faculty of Pharmacy and Pharmaceutical Sciences, Fukuyama University, 1 Sanzo, Gakuen-cho, Fukuyama 729-0292, Japan; (T.N.); (S.M.); (Y.H.)
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2
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Tang X, Jiang Y, Song L, Van der Eycken EV. Recent Advances in the Synthesis of Rosettacin. Molecules 2024; 29:2176. [PMID: 38792039 PMCID: PMC11124376 DOI: 10.3390/molecules29102176] [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: 04/19/2024] [Revised: 05/03/2024] [Accepted: 05/04/2024] [Indexed: 05/26/2024] Open
Abstract
Camptothecin and its analogues show important antitumor activity and have been used in clinical studies. However, hydrolysis of lactone in the E ring seriously attenuates the antitumor activity. To change this situation, aromathecin alkaloids are investigated in order to replace camptothecins. Potential antitumor activity has obtained more and more attention from organic and pharmaceutical chemists. As a member of the aromathecin alkaloids, rosettacin has been synthesized via different methods. This review summarizes recent advances in the synthesis of rosettacin.
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Affiliation(s)
- Xiao Tang
- College of Science, Nanjing Forestry University, Nanjing 210037, China; (X.T.)
| | - Yukang Jiang
- College of Science, Nanjing Forestry University, Nanjing 210037, China; (X.T.)
| | - 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, 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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3
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Liu J, Lu Y, Zhu L, Lei X. Construction of indolizine scaffolds from α,ω-alkynoic acids and α,ω-vinylamines via sequential-relay catalysis in "one pot". Org Biomol Chem 2024; 22:2474-2479. [PMID: 38440950 DOI: 10.1039/d4ob00067f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2024]
Abstract
A simple and efficient method has been developed for the synthesis of a diverse range of aryl-fused indolizin-3-ones through sequential Au(I)-catalyzed hydrocarboxylation, aminolysis, and cyclization, followed by ruthenium-catalyzed ring-closing metathesis. Moderate to good yields were observed with satisfactory substrate scope and functional group tolerance. The developed protocol represents a practical strategy for the construction of bioactive aryl-fused indolizin-3-ones.
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Affiliation(s)
- Jiami Liu
- School of Pharmacy, Fudan University, 826 Zhangheng Road, Pudong Zone, Shanghai 201203, China.
| | - Yi Lu
- School of Pharmacy, Fudan University, 826 Zhangheng Road, Pudong Zone, Shanghai 201203, China.
| | - Lingxuan Zhu
- School of Pharmacy, Fudan University, 826 Zhangheng Road, Pudong Zone, Shanghai 201203, China.
| | - Xinsheng Lei
- School of Pharmacy, Fudan University, 826 Zhangheng Road, Pudong Zone, Shanghai 201203, China.
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4
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Singh Chauhan AN, Mali G, Dua G, Samant P, Kumar A, Erande RD. [RhCp*Cl 2] 2-Catalyzed Indole Functionalization: Synthesis of Bioinspired Indole-Fused Polycycles. ACS OMEGA 2023; 8:27894-27919. [PMID: 37576617 PMCID: PMC10413382 DOI: 10.1021/acsomega.3c02510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 07/11/2023] [Indexed: 08/15/2023]
Abstract
Polycyclic fused indoles are ubiquitous in natural products and pharmaceuticals due to their immense structural diversity and biological inference, making them suitable for charting broader chemical space. Indole-based polycycles continue to be fascinating as well as challenging targets for synthetic fabrication because of their characteristic structural frameworks possessing biologically intriguing compounds of both natural and synthetic origin. As a result, an assortment of new chemical processes and catalytic routes has been established to provide unified access to these skeletons in a very efficient and selective manner. Transition-metal-catalyzed processes, in particular from rhodium(III), are widely used in synthetic endeavors to increase molecular complexity efficiently. In recent years, this has resulted in significant progress in reaching molecular scaffolds with enormous biological activity based on core indole skeletons. Additionally, Rh(III)-catalyzed direct C-H functionalization and benzannulation protocols of indole moieties were one of the most alluring synthetic techniques to generate indole-fused polycyclic molecules efficiently. This review sheds light on recent developments toward synthesizing fused indoles by cascade annulation methods using Rh(III)-[RhCp*Cl2]2-catalyzed pathways, which align with the comprehensive and sophisticated developments in the field of Rh(III)-catalyzed indole functionalization. Here, we looked at a few intriguing cascade-based synthetic designs catalyzed by Rh(III) that produced elaborate frameworks inspired by indole bioactivity. The review also strongly emphasizes mechanistic insights for reaching 1-2, 2-3, and 3-4-fused indole systems, focusing on Rh(III)-catalyzed routes. With an emphasis on synthetic efficiency and product diversity, synthetic methods of chosen polycyclic carbocycles and heterocycles with at least three fused, bridged, or spiro cages are reviewed. The newly created synthesis concepts or toolkits for accessing diazepine, indol-ones, carbazoles, and benzo-indoles, as well as illustrative privileged synthetic techniques, are included in the featured collection.
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Affiliation(s)
| | - Ghanshyam Mali
- Department
of Chemistry, Indian Institute of Technology
Jodhpur, Jodhpur 342037, India
| | - Garima Dua
- Department
of Chemistry, Indian Institute of Technology
Jodhpur, Jodhpur 342037, India
| | - Priya Samant
- Department
of Chemistry, Indian Institute of Technology
Jodhpur, Jodhpur 342037, India
| | - Akhilesh Kumar
- Department
of Chemistry and Nano Science, Ewha Womans
University, Seoul 03760, Korea
| | - Rohan D. Erande
- Department
of Chemistry, Indian Institute of Technology
Jodhpur, Jodhpur 342037, India
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5
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Mizuno S, Nishiyama T, Endo M, Sakoguchi K, Yoshiura T, Bessho H, Motoyashiki T, Hatae N, Choshi T. Novel Approach to the Construction of Fused Indolizine Scaffolds: Synthesis of Rosettacin and the Aromathecin Family of Compounds. Molecules 2023; 28:molecules28104059. [PMID: 37241799 DOI: 10.3390/molecules28104059] [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: 04/20/2023] [Revised: 05/09/2023] [Accepted: 05/10/2023] [Indexed: 05/28/2023] Open
Abstract
Camptothecin-like compounds are actively employed as anticancer drugs in clinical treatments. The aromathecin family of compounds, which contains the same indazolidine core structure as the camptothecin family of compounds, is also expected to display promising anticancer activity. Therefore, the development of a suitable and scalable synthetic method of aromathecin synthesis is of great research interest. In this study, we report the development of a new synthetic approach for constructing the pentacyclic scaffold of the aromathecin family by forming the indolizidine moiety after synthesizing the isoquinolone moiety. Thermal cyclization of 2-alkynylbenzaldehyde oxime to the isoquinoline N-oxide, followed by a Reissert-Henze-type reaction, forms the key strategy in this isoquinolone synthesis. Under the optimum reaction conditions for the Reissert-Henze-type reaction step, microwave irradiation-assisted heating of the purified N-oxide in acetic anhydride at 50 °C reduced the formation of the 4-acetoxyisoquinoline byproduct to deliver the desired isoquinolone at a 73% yield after just 3.5 h. The eight-step sequence employed afforded rosettacin (simplest member of the aromathecin family) at a 23.8% overall yield. The synthesis of rosettacin analogs was achieved by applying the developed strategy and may be generally applicable to the production of other fused indolizidine compounds.
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Affiliation(s)
- Shohta Mizuno
- Faculty of Pharmacy and Pharmaceutical Sciences, Fukuyama University, 1 Sanzo, Gakuen-cho, Fukuyama 729-0292, Japan
| | - Takashi Nishiyama
- Faculty of Pharmacy and Pharmaceutical Sciences, Fukuyama University, 1 Sanzo, Gakuen-cho, Fukuyama 729-0292, Japan
| | - Mai Endo
- Faculty of Pharmacy and Pharmaceutical Sciences, Fukuyama University, 1 Sanzo, Gakuen-cho, Fukuyama 729-0292, Japan
| | - Koharu Sakoguchi
- Faculty of Pharmacy and Pharmaceutical Sciences, Fukuyama University, 1 Sanzo, Gakuen-cho, Fukuyama 729-0292, Japan
| | - Takaki Yoshiura
- Faculty of Pharmacy and Pharmaceutical Sciences, Fukuyama University, 1 Sanzo, Gakuen-cho, Fukuyama 729-0292, Japan
| | - Hana Bessho
- Faculty of Pharmacy and Pharmaceutical Sciences, Fukuyama University, 1 Sanzo, Gakuen-cho, Fukuyama 729-0292, Japan
| | - Toshio Motoyashiki
- Faculty of Pharmacy and Pharmaceutical Sciences, Fukuyama University, 1 Sanzo, Gakuen-cho, Fukuyama 729-0292, Japan
| | - Noriyuki Hatae
- Faculty of Pharmaceutical Sciences, Yokohama University of Pharmacy, 601 Matano, Totsuka-ku, Yokohama 245-0066, Japan
| | - Tominari Choshi
- Faculty of Pharmacy and Pharmaceutical Sciences, Fukuyama University, 1 Sanzo, Gakuen-cho, Fukuyama 729-0292, Japan
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6
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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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7
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Raji Reddy C, Nair K, Patil AD, Donthiri RR, Grée R. Domino alkyne insertion/aldol reaction/aromatization of 2-alkynyl indole-3-carbaldehyde with 1,3-diketones: entry to 2-indolyl phenols. Org Biomol Chem 2023; 21:1046-1055. [PMID: 36625740 DOI: 10.1039/d2ob02025d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
A novel one-pot base-promoted insertion of indolyl 2-alkynes into a C-C single bond of 1,3-diketones, followed by intramolecular aldol reaction and dehydrative aromatization is described. This reaction cascade leads to the construction of 2-indolyl phenols involving the formation of the C1-C2 and C3-C4 bonds of phenols resulting from the formal insertion process with a good substrate scope. Further, these bifunctional compounds were used in a novel arylative annulation in the presence of Grignard reagents to provide chromeno-indole frameworks.
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Affiliation(s)
- Chada Raji Reddy
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad - 500007, India. .,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India
| | - Karna Nair
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad - 500007, India. .,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India
| | - Amol D Patil
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad - 500007, India. .,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India
| | - Ramachandra Reddy Donthiri
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad - 500007, India.
| | - René Grée
- University of Rennes, Institut des Sciences Chimiques de Rennes (ISCR), CNRS UMR 6226, F-35000 Rennes, France
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8
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Kharitonov VB, Muratov DV, Loginov DA. Cyclopentadienyl complexes of group 9 metals in the total synthesis of natural products. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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9
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Hubbell GE, Tepe JJ. Rh(III)-Catalyzed C-H Activation/Annulation of Benzohydroxamates and 2-Imidazolones: Access to Urea-Fused-Dihydroisoquinolone Scaffolds Reminiscent of Pyrrole Alkaloid Natural Products. Org Lett 2022; 24:6740-6744. [PMID: 36083605 DOI: 10.1021/acs.orglett.2c02508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A Rh(III)-catalyzed C-H activation/annulation with an imidazolone as alkene partner is reported to access dihydroisoquinolone-fused imidazolin-2-ones. These bicycles are reminiscent of scaffolds belonging to the pyrrole alkaloid family of natural products. This approach facilitates construction of a variety of urea-fused dihydroisoquinolone scaffolds including heterocyclic moieties.
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Affiliation(s)
- Grace E Hubbell
- Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, United States
| | - Jetze J Tepe
- Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, United States
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10
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Capel E, Luis-Barrera J, Sorazu A, Uria U, Prieto L, Reyes E, Carrillo L, Vicario JL. Transannular Approach to 2,3-Dihydropyrrolo[1,2- b]isoquinolin-5(1 H)-ones through Brønsted Acid-Catalyzed Amidohalogenation. J Org Chem 2022; 87:10062-10072. [PMID: 35880953 PMCID: PMC9361296 DOI: 10.1021/acs.joc.2c01045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
![]()
A transannular approach has been developed for the construction
of pyrrolo[1,2-b]isoquinolinones starting from benzo-fused
nine-membered enelactams. This process takes place in the presence
of a halogenating agent and under Brønsted acid catalysis and
proceeds via a transannular amidohalogenation, followed by elimination.
The reaction has been found to be wide in scope, enabling the formation
of a variety of tricyclic products in good overall yield, regardless
of the substitution pattern in the initial lactam substrate. The reaction
has also been applied to the total synthesis of a reported topoisomerase
I inhibitor and to the formal synthesis of rosettacin. Further extension
of this methodology allows the preparation of 10-iodopyrrolo[1,2-b]isoquinolinones by using an excess of halogenating agent
and these compounds can be further manipulated through standard Suzuki
coupling chemistry into a variety of 10-aryl-substituted pyrrolo[1,2-b]isoquinolinones.
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Affiliation(s)
- Estefanía Capel
- Department of Organic and Inorganic Chemistry, University of the Basque Country (UPV/EHU), P.O. Box 644, 48080 Bilbao, Spain
| | - Javier Luis-Barrera
- Department of Organic and Inorganic Chemistry, University of the Basque Country (UPV/EHU), P.O. Box 644, 48080 Bilbao, Spain
| | - Ana Sorazu
- Department of Organic and Inorganic Chemistry, University of the Basque Country (UPV/EHU), P.O. Box 644, 48080 Bilbao, Spain
| | - Uxue Uria
- Department of Organic and Inorganic Chemistry, University of the Basque Country (UPV/EHU), P.O. Box 644, 48080 Bilbao, Spain
| | - Liher Prieto
- Department of Organic and Inorganic Chemistry, University of the Basque Country (UPV/EHU), P.O. Box 644, 48080 Bilbao, Spain
| | - Efraím Reyes
- Department of Organic and Inorganic Chemistry, University of the Basque Country (UPV/EHU), P.O. Box 644, 48080 Bilbao, Spain
| | - Luisa Carrillo
- Department of Organic and Inorganic Chemistry, University of the Basque Country (UPV/EHU), P.O. Box 644, 48080 Bilbao, Spain
| | - Jose L Vicario
- Department of Organic and Inorganic Chemistry, University of the Basque Country (UPV/EHU), P.O. Box 644, 48080 Bilbao, Spain
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11
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Iridium-catalyzed oxidative coupling and cyclization of NH isoquinolones with olefins leading to isoindolo[2,1-b]isoquinolin-5(7H)-one derivatives. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.153779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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12
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Jiang J, Liu J, Yang Z, Zheng J, Tian X, Zheng L, Liu ZQ. Rhodium(III)-catalyzed oxidative annulation of isoquinolones with allyl alcohols: synthesis of isoindolo[2,1- b]isoquinolin-5(7 H)-ones. Org Biomol Chem 2022; 20:339-344. [PMID: 34908095 DOI: 10.1039/d1ob02305e] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient rhodium(III)-catalyzed direct C-H oxidative annulation of isoquinolones with allyl alcohols as C1 synthons has been successfully developed. This protocol enables the straightforward synthesis of structurally diverse isoindolo[2,1-b]isoquinolin-5(7H)-ones with high atom economy, tolerates a broad spectrum of functionalities, and is applicable to one-pot operation from readily available N-methoxybenzamides.
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Affiliation(s)
- Jinyuan Jiang
- School of Chemistry and Chemical Engineering/Institute of Clean Energy and Materials/Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou, 510006, P. R. China.
| | - Jidan Liu
- School of Chemistry and Chemical Engineering/Institute of Clean Energy and Materials/Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou, 510006, P. R. China.
| | - Zhenke Yang
- School of Chemistry and Chemical Engineering/Institute of Clean Energy and Materials/Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou, 510006, P. R. China.
| | - Jieying Zheng
- School of Chemistry and Chemical Engineering/Institute of Clean Energy and Materials/Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou, 510006, P. R. China.
| | - Xin Tian
- School of Chemistry and Chemical Engineering/Institute of Clean Energy and Materials/Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou, 510006, P. R. China.
| | - Liyao Zheng
- School of Chemistry and Chemical Engineering/Institute of Clean Energy and Materials/Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou, 510006, P. R. China.
| | - Zhao-Qing Liu
- School of Chemistry and Chemical Engineering/Institute of Clean Energy and Materials/Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou, 510006, P. R. China.
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13
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Ganesh PSKP, Muthuraja P, Gopinath P. Hydrazine-Directed Rh(III) Catalyzed (4+2) Annulation with Sulfoxonium Ylides: Synthesis and Photophysical Properties of Dihydrocinnolines. Chem Commun (Camb) 2022; 58:4211-4214. [DOI: 10.1039/d1cc06353g] [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 herein report hydrazine-directed, Rh(III) catalyzed (4+2) annulation of N-alkyl aryl hydrazines with sulfoxonium ylides as a safe carbene precursor. The reaction shows excellent functional group tolerance with broad substrate...
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14
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Nagireddy A, Dattatri, Kotipalli R, Nanubolu JB, Reddy MS. Rhodium-Catalyzed Regioselective Double Annulation of Enaminones with Propargyl Alcohols: Rapid Access to Arylnapthalene Lignan Derivatives. J Org Chem 2021; 87:1240-1248. [PMID: 34965126 DOI: 10.1021/acs.joc.1c02575] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
We present here a rhodium-catalyzed oxidative three-point double annulation of enaminones with propargylic alcohols via a C-H and a C-N bond activation to access arylnaphthalene-based lignan derivatives. The key step in the reaction is the regioselective insertion of propargylic alcohol into the rhoda-cycle, a result of hydroxyl rhodium coordination. Necessary control experiments and KIE studies were conducted to determine the mechanism.
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Affiliation(s)
- Attunuri Nagireddy
- Department of Oraganic Syntheis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India.,Academy of Scientific and Innovative Research, Ghaziabad 201002, India
| | - Dattatri
- Department of Oraganic Syntheis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India.,Academy of Scientific and Innovative Research, Ghaziabad 201002, India
| | - Ramesh Kotipalli
- Department of Oraganic Syntheis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India.,Academy of Scientific and Innovative Research, Ghaziabad 201002, India
| | | | - Maddi Sridhar Reddy
- Department of Oraganic Syntheis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India.,Academy of Scientific and Innovative Research, Ghaziabad 201002, India
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15
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Jadhav SB, Maurya S, Navaneetha N, Chegondi R. Rh(III)-catalyzed diastereoselective cascade annulation of enone-tethered cyclohexadienones via C(sp 2)-H bond activation. Chem Commun (Camb) 2021; 57:13598-13601. [PMID: 34853840 DOI: 10.1039/d1cc05941f] [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
Herein, we report highly diastereoselective arylative cyclization of enone-tethered cyclohexadienones via Rh(III)-catalyzed C-H activation of N-methoxybenzamides. This reaction proceeds through the formation of a five-membered rhodacycle followed by bis-Michael cascade annulation to access functionalized bicyclic scaffolds with four contiguous stereocenters with a broad substrate scope. These products have excellent functional handles, allowing further synthetic transformation to increase the structural complexity. Furthermore, mechanistic studies of arylative cyclization and a gram-scale experiment are also presented.
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Affiliation(s)
- Sandip B Jadhav
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500007, India. .,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Sundaram Maurya
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500007, India. .,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - N Navaneetha
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500007, India. .,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Rambabu Chegondi
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500007, India. .,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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16
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Infante G, Eisler S. Accessing Extended Fused Isoindolinones Via Sequential Anionic Intramolecular Cyclizations. Chemistry 2021; 27:16121-16126. [PMID: 34492137 DOI: 10.1002/chem.202103106] [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: 08/25/2021] [Indexed: 11/05/2022]
Abstract
Sequential anionic intramolecular cyclizations and modelling were used for the first time to access unusual fused heterocyclic frameworks in excellent yields. 5-Exo-dig cyclizations yielded isoindolinone motifs and a subsequent 6-exo- and 7-endo-dig cyclization was directed to provide either fused isoquinoline or azepine frameworks. Regioselectivities were controlled by exploiting stereoelectronic effects via nC- →π*(Ph) interactions, and modelling studies provided reaction scope.
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Affiliation(s)
- Genesis Infante
- Department of Chemistry, University of New Brunswick, 30 Dineen Drive, Fredericton, New Brunswick, E3B 5A3, Canada
| | - Sara Eisler
- Department of Chemistry, University of New Brunswick, 30 Dineen Drive, Fredericton, New Brunswick, E3B 5A3, Canada
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17
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Naikawadi PK, Mucherla L, Dandela R, Sambari M, Kumar KS. One‐Pot Two‐Step Double Annulation of
N
‐Methoxybenzamides with Alkynes and Alkenes: Regioselective Construction of Isoindolo[2,1‐
b
]isoquinolin‐5(7
H
)‐ones. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100414] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
| | | | - Rambabu Dandela
- Department of Industrial and Engineering Chemistry Institute of Chemical Technology IOC-Odisha Campus, Samantpuri Bhubaneswar 751013 India
| | - Madhavi Sambari
- 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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18
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Chithanna S, Yang DY. Construction of 2-pyridones via oxidative cyclization of enamides: access to Pechmann dye derivatives. Org Biomol Chem 2021; 19:1565-1574. [PMID: 33508055 DOI: 10.1039/d0ob02376k] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient protocol for the construction of structurally diverse 2-pyridone derivatives from imines and α,β-unsaturated acid chlorides in a single operation is reported. The target compounds, including coumarin-8-oxoprotoberbine analogues and lamellarin G isomers, were prepared via thermal cyclization of the in situ generated enamides followed by thermal dehydrogenation. The cyclization of enamides was achieved by the introduction of an electron-withdrawing group on the α-carbon of acid chlorides. This methodology allows quick access to polycyclic Pechmann dyes via rare double oxidative cyclizations of dienamides under mild conditions.
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Affiliation(s)
- Sivanna Chithanna
- Department of Chemistry, Tunghai University, No. 1727, Sec. 4, Taiwan Boulevard, Xitun District, Taichung 407224, Taiwan.
| | - Ding-Yah Yang
- Department of Chemistry, Tunghai University, No. 1727, Sec. 4, Taiwan Boulevard, Xitun District, Taichung 407224, Taiwan. and Graduate Program for Biomedical and Materials Science, Tunghai University, No. 1727, Sec. 4, Taiwan Boulevard, Xitun District, Taichung 407224, Taiwan
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19
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Zaib S, Khan I. Synthetic and medicinal chemistry of phthalazines: Recent developments, opportunities and challenges. Bioorg Chem 2020; 105:104425. [PMID: 33157344 DOI: 10.1016/j.bioorg.2020.104425] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 09/22/2020] [Accepted: 10/20/2020] [Indexed: 12/14/2022]
Abstract
Fused diaza-heterocycles constitute the core structure of numerous bioactive natural products and effective therapeutic drugs. Among them, phthalazines have been recognized as remarkable structural leads in medicinal chemistry due to their wide application in pharmaceutical and agrochemical industries. Accessing such challenging pharmaceutical agents/drug candidates with high chemical complexity through synthetically efficient approaches remains an attractive goal in the contemporary medicinal chemistry and drug discovery arena. In this review, we focus on the recent developments in the synthetic routes towards the generation of phthalazine-based active pharmaceutical ingredients and their biological potential against various targets. The general reaction scope of these innovative and easily accessible strategies was emphasized focusing on the functional group tolerance, substrate and coupling partner compatibility/limitation, the choice of catalyst, and product diversification. These processes were also accompanied by the mechanistic insights where deemed appropriate to demonstrate meaningful information. Moreover, the rapid examination of the structure-activity relationship analyses around the phthalazine core enabled by the pharmacophore replacement/integration revealed the generation of robust, efficient, and more selective compounds with pronounced biological effects. A large variety of in silico methods and ADME profiling tools were also employed to provide a global appraisal of the pharmacokinetics profile of diaza-heterocycles. Thus, the discovery of new structural leads offers the promise of improving treatments for various tropical diseases such as tuberculosis, leishmaniasis, malaria, Chagas disease, among many others including various cancers, atherosclerosis, HIV, inflammatory, and cardiovascular diseases. We hope this review would serve as an informative collection of structurally diverse molecules enabling the generation of mature, high-quality, and innovative routes to support the drug discovery endeavors.
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Affiliation(s)
- Sumera Zaib
- Department of Biochemistry, Faculty of Life Sciences, University of Central Punjab, Lahore 54590, Pakistan
| | - Imtiaz Khan
- Department of Chemistry and Manchester Institute of Biotechnology, The University of Manchester, 131 Princess Street, Manchester M1 7DN, United Kingdom.
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20
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Raji Reddy C, Sathish P, Mallesh K, Lakshmi Prapurna Y. Construction of Unique Polycyclic 3, 4‐Fused Indoles
via
Rhodium(III)‐Catalyzed Domino Annulations**. ChemistrySelect 2020. [DOI: 10.1002/slct.202002689] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Chada Raji Reddy
- Department of Organic Synthesis & Process Chemistry CSIR-Indian Institute of Chemical Technology (CSIR-IICT) Hyderabad 500007 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201 002 India
| | - Puppala Sathish
- Department of Organic Synthesis & Process Chemistry CSIR-Indian Institute of Chemical Technology (CSIR-IICT) Hyderabad 500007 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201 002 India
| | - Kathe Mallesh
- Department of Organic Synthesis & Process Chemistry CSIR-Indian Institute of Chemical Technology (CSIR-IICT) Hyderabad 500007 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201 002 India
| | - Y. Lakshmi Prapurna
- Department of Organic Synthesis & Process Chemistry CSIR-Indian Institute of Chemical Technology (CSIR-IICT) Hyderabad 500007 India
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21
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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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22
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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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23
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Raji Reddy C, Mallesh K, Bodasu S, Donthiri RR. Rh(III)-Catalyzed Domino [4 + 2] Annulation/Aza-Michael Addition of N-(Pivaloyloxy)benzamides with 1,5-Enynes via C–H Activation: Synthesis of Functionalized Aromathecins. J Org Chem 2020; 85:7905-7915. [DOI: 10.1021/acs.joc.0c00615] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Chada Raji Reddy
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500007, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India
| | - Kathe Mallesh
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500007, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India
| | - Srinivas Bodasu
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500007, India
| | - Ramachandra Reddy Donthiri
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500007, India
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24
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Shi Z, Wang L, Yang Z, Jie L, Liu X, Cui X. Tandem Construction of Indole-Fused Phthalazines from (2-Alkynylbenzylidene)hydrazines under Metal-Free Conditions. J Org Chem 2020; 85:3029-3040. [PMID: 32031804 DOI: 10.1021/acs.joc.9b02937] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
An efficient approach to invent diversely substituted indole-fused phthalazines from in situ formed (2-alkynylbenzylidene)hydrazines under metal-free conditions via selective radical cyclization has been developed. Notably, this 6-exo-dig addition-cyclization tandem procedure proceeds under air atmosphere and shows a broad substrate suitability, as well as avoids harmful byproducts, which complies with the concept of green synthesis.
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Affiliation(s)
- Zhaojiang Shi
- Engineering Research Centre of Molecular Medicine, Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Xiamen Marine and Gene Drugs, School of Biomedical Sciences, Huaqiao University, Xiamen 361021, P. R. China
| | - Lianhui Wang
- Engineering Research Centre of Molecular Medicine, Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Xiamen Marine and Gene Drugs, School of Biomedical Sciences, Huaqiao University, Xiamen 361021, P. R. China
| | - Zi Yang
- Engineering Research Centre of Molecular Medicine, Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Xiamen Marine and Gene Drugs, School of Biomedical Sciences, Huaqiao University, Xiamen 361021, P. R. China
| | - Lianghua Jie
- Engineering Research Centre of Molecular Medicine, Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Xiamen Marine and Gene Drugs, School of Biomedical Sciences, Huaqiao University, Xiamen 361021, P. R. China
| | - Xiao Liu
- Engineering Research Centre of Molecular Medicine, Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Xiamen Marine and Gene Drugs, School of Biomedical Sciences, Huaqiao University, Xiamen 361021, P. R. China
| | - Xiuling Cui
- Engineering Research Centre of Molecular Medicine, Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Xiamen Marine and Gene Drugs, School of Biomedical Sciences, Huaqiao University, Xiamen 361021, P. R. China
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25
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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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26
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Bian M, Ma L, Wu M, Wu L, Gao H, Yi W, Zhang C, Zhou Z. Rh(III)-Catalyzed Redox-Neutral [4+2] Annulation for Direct Assembly of 3-Acyl Isoquinolin-1(2H)-ones as Potent Antitumor Agents. Chempluschem 2019; 85:405-410. [PMID: 32118370 DOI: 10.1002/cplu.201900616] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 11/13/2019] [Indexed: 12/20/2022]
Abstract
By virtue of an efficient rhodium(III)-catalyzed redox-neutral C-H activation/ring-opening of a strained ring/[4+2] annulation cascade of N-methoxybenzamides with propargyl cycloalkanols, diverse 3-acyl isoquinolin-1(2H)-ones were directly obtained in good yields and with excellent functional group compatibility. Additionally, their antitumor activities against various human cancer cells including HepG2, A549, MCF-7 and SH-SY5Y were evaluated and the action mechanism of the selected compound was also investigated in vitro. The results revealed that these products possessed a potent efficacy, by inhibiting proliferation and inducing apoptosis in a time-dependent and dose-dependent manner, suggesting that such compounds can serve as promising candidates for anti lung cancer drug discovery.
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Affiliation(s)
- Mengyao Bian
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation & Molecular Target and Clinical Pharmacology State Key Laboratory of Respiratory Disease School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University Guangzhou, Guangdong, 511436, P. R. China
| | - Lei Ma
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation & Molecular Target and Clinical Pharmacology State Key Laboratory of Respiratory Disease School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University Guangzhou, Guangdong, 511436, P. R. China
| | - Min Wu
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation & Molecular Target and Clinical Pharmacology State Key Laboratory of Respiratory Disease School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University Guangzhou, Guangdong, 511436, P. R. China
| | - Liexin Wu
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation & Molecular Target and Clinical Pharmacology State Key Laboratory of Respiratory Disease School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University Guangzhou, Guangdong, 511436, P. R. China
| | - Hui Gao
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation & Molecular Target and Clinical Pharmacology State Key Laboratory of Respiratory Disease School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University Guangzhou, Guangdong, 511436, P. R. China
| | - Wei Yi
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation & Molecular Target and Clinical Pharmacology State Key Laboratory of Respiratory Disease School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University Guangzhou, Guangdong, 511436, P. R. China
| | - Chao Zhang
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation & Molecular Target and Clinical Pharmacology State Key Laboratory of Respiratory Disease School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University Guangzhou, Guangdong, 511436, P. R. China
| | - Zhi Zhou
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation & Molecular Target and Clinical Pharmacology State Key Laboratory of Respiratory Disease School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University Guangzhou, Guangdong, 511436, P. R. China
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27
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Saini HK, Dhiman S, Nandwana NK, Krishnan R, Kumar A. Copper and palladium-catalyzed sequential reactions: one-pot synthesis of isoindolo[2,1-b]isoquinolin-7(5H)-ones. Org Biomol Chem 2019; 17:4281-4290. [PMID: 30969295 DOI: 10.1039/c9ob00440h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
A highly efficient protocol has been developed for the synthesis of diversely substituted isoindolo[2,1-b]isoquinolin-7(5H)-ones through sequential Cu(ii)-catalyzed Sonogashira coupling, intramolecular hydroamidation followed by palladium-catalyzed ligand-free Heck reaction. Good to excellent yields (41-94%) were observed with excellent substrate scope and functional group tolerance. The developed method represents a practical strategy for the construction of bioactive isoindolo[2,1-b]isoquinolin-7(5H)-ones.
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Affiliation(s)
- Hitesh Kumar Saini
- Department of Chemistry, BITS Pilani, Pilani Campus, Pilani, Rajasthan 333031, India.
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28
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Kumar GR, Kumar R, Rajesh M, Sridhar B, Reddy MS. Rh(III)‐Catalyzed Intramolecular Oxidative Annulation of Propargyl Amino Phenyl Benzamides to Access Pyrido/ Isoquinolino Quinoxalinones. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900772] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Gurram Ravi Kumar
- OSPC DivisionCSIR-Indian Institute of Chemical Technology, Habsiguda Hyderabad 500007 India
- Academy of Scientific and Innovative Research New Delhi 110001 India
| | - Ravi Kumar
- Academy of Scientific and Innovative Research New Delhi 110001 India
- MPC DivisionCSIR-CDRI Sitapur Road Lucknow- 226031 India
| | - Manda Rajesh
- OSPC DivisionCSIR-Indian Institute of Chemical Technology, Habsiguda Hyderabad 500007 India
- Academy of Scientific and Innovative Research New Delhi 110001 India
| | - B. Sridhar
- Analytical DivisionCSIR-IICT, Habsiguda Hyderabad- 500007 India
| | - Maddi Sridhar Reddy
- OSPC DivisionCSIR-Indian Institute of Chemical Technology, Habsiguda Hyderabad 500007 India
- Academy of Scientific and Innovative Research New Delhi 110001 India
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29
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Raji Reddy C, Burra AG. [4 + 2]-Annulation of MBH-Acetates of Acetylenic Aldehydes with Imidazoles/Benzimidazoles To Access Imidazo[1,2-a]pyridines/Benzimidazo[1,2-a]pyridines. J Org Chem 2019; 84:9169-9178. [DOI: 10.1021/acs.joc.9b01118] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Chada Raji Reddy
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
| | - Amarender Goud Burra
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
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30
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Affiliation(s)
- Longlong Li
- Department of ChemistryLishui University No. 1, Xueyuan Road Lishui City 323000 Zhejiang Province People's Republic of China
| | - Dayun Huang
- Department of ChemistryLishui University No. 1, Xueyuan Road Lishui City 323000 Zhejiang Province People's Republic of China
| | - Chengjin Shi
- Department of ChemistryLishui University No. 1, Xueyuan Road Lishui City 323000 Zhejiang Province People's Republic of China
| | - Guobing Yan
- Department of ChemistryLishui University No. 1, Xueyuan Road Lishui City 323000 Zhejiang Province People's Republic of China
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31
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Song L, Zhang X, Tian G, Robeyns K, Van Meervelt L, Harvey JN, Van der Eycken EV. Intramolecular cascade annulation triggered by C H activation via rhodium hydride intermediate. MOLECULAR CATALYSIS 2019. [DOI: 10.1016/j.mcat.2018.11.016] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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32
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Guo M, Meng X, Zhao Y, Dong Y, Sun X, Tian L, Cao Z. Synthesis of 4-(1 H-isochromen-1-yl)isoquinolines through the silver-catalysed homodimerization of ortho-alkynylarylaldehydes and subsequent condensation of the 1,5-dicarbonyl motif with NH 3. RSC Adv 2019; 9:2703-2707. [PMID: 35520496 PMCID: PMC9059814 DOI: 10.1039/c8ra09269a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Accepted: 01/07/2019] [Indexed: 12/29/2022] Open
Abstract
4-(1H-Isochromen-1-yl)isoquinoline derivatives were synthesized in high yields via the AgBF4-catalyzed self-reaction of ortho-alkynylarylaldehydes to give isochromene intermediates, followed by the dehydration of the 1,5-dicarbonyl motif with NH3. Compared with electron-rich aromatic substituents, this strategy can provide the desired isochromene products with an electron-deficient isoquinoline unit. The reactions feature simple experimental operations, mild reaction conditions and high product yields. We demonstrate a strategy that can provide isochromenes with an electron-deficient isoquinoline unit. The reactions feature simple operations, mild conditions and high yields.![]()
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Affiliation(s)
- Minghui Guo
- School of Chemistry and Chemical Engineering, Qufu Normal University Qufu 273165 P. R. China
| | - Xin Meng
- School of Chemistry and Chemical Engineering, Qufu Normal University Qufu 273165 P. R. China
| | - Yang Zhao
- School of Chemistry and Chemical Engineering, Qufu Normal University Qufu 273165 P. R. China
| | - Yuexia Dong
- School of Chemistry and Chemical Engineering, Qufu Normal University Qufu 273165 P. R. China
| | - Xuejun Sun
- School of Chemistry and Chemical Engineering, Qufu Normal University Qufu 273165 P. R. China
| | - Laijin Tian
- School of Chemistry and Chemical Engineering, Qufu Normal University Qufu 273165 P. R. China .,Shandong Key Laboratory of Life-Organic Analysis, Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine Qufu 273165 P. R. China
| | - Ziping Cao
- School of Chemistry and Chemical Engineering, Qufu Normal University Qufu 273165 P. R. China .,Shandong Key Laboratory of Life-Organic Analysis, Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine Qufu 273165 P. R. China
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33
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Liang G, Rong J, Sun W, Chen G, Jiang Y, Loh TP. Synthesis of Polyaromatic Rings: Rh(III)-Catalyzed [5 + 1] Annulation of Enaminones with Vinyl Esters through C–H Bond Functionalization. Org Lett 2018; 20:7326-7331. [DOI: 10.1021/acs.orglett.8b03284] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Gaohui Liang
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
| | - Jiaxin Rong
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
| | - Wangbin Sun
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
| | - Gengjia Chen
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
| | - Yaojia Jiang
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
| | - Teck-Peng Loh
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637616, Singapore
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34
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Sun R, Yang X, Chen X, Zhang C, Zhao X, Wang X, Zheng X, Yuan M, Fu H, Li R, Chen H. Rh(III)-Catalyzed [4 + 2] Self-Annulation of N-Vinylarylamides. Org Lett 2018; 20:6755-6759. [PMID: 30346794 DOI: 10.1021/acs.orglett.8b02872] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
An efficient rhodium(III)-catalyzed self-annulation of N-vinylarylamide has been developed. This reaction features a simple system and good reactivity with complete regioselectivity. The protocol provides easy access to an aminal incorporated dihydroisoquinolinone, which proved to be a versatile synthetic synthon. The kinetic isotope effect experiments showed that C-H activation is the rate-limiting step, and competition studies revealed the annulation exhibits a strong self-recognition mode. In addition, a seven-membered rhodacycle species was isolated and established as the key reaction intermediate.
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Affiliation(s)
- Rui Sun
- Key Laboratory of Green Chemistry & Technology, Ministry of Education College of Chemistry , Sichuan University Chengdu 610064 , P. R. China
| | - Xiao Yang
- Key Laboratory of Green Chemistry & Technology, Ministry of Education College of Chemistry , Sichuan University Chengdu 610064 , P. R. China
| | - Xue Chen
- Key Laboratory of Green Chemistry & Technology, Ministry of Education College of Chemistry , Sichuan University Chengdu 610064 , P. R. China
| | - Chunchun Zhang
- Analytical & Testing Center , Sichuan University , Chengdu , Sichuan 610064 , P. R. China
| | - Xiaoyu Zhao
- Key Laboratory of Green Chemistry & Technology, Ministry of Education College of Chemistry , Sichuan University Chengdu 610064 , P. R. China
| | - Xin Wang
- Key Laboratory of Green Chemistry & Technology, Ministry of Education College of Chemistry , Sichuan University Chengdu 610064 , P. R. China
| | - Xueli Zheng
- Key Laboratory of Green Chemistry & Technology, Ministry of Education College of Chemistry , Sichuan University Chengdu 610064 , P. R. China
| | - Maolin Yuan
- Key Laboratory of Green Chemistry & Technology, Ministry of Education College of Chemistry , Sichuan University Chengdu 610064 , P. R. China
| | - Haiyan Fu
- Key Laboratory of Green Chemistry & Technology, Ministry of Education College of Chemistry , Sichuan University Chengdu 610064 , P. R. China
| | - Ruixiang Li
- Key Laboratory of Green Chemistry & Technology, Ministry of Education College of Chemistry , Sichuan University Chengdu 610064 , P. R. China
| | - Hua Chen
- Key Laboratory of Green Chemistry & Technology, Ministry of Education College of Chemistry , Sichuan University Chengdu 610064 , P. R. China
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Rhodium(III)-catalyzed intermolecular cascade annulation through C-H activation: Concise synthesis of rosettacin. MOLECULAR CATALYSIS 2018. [DOI: 10.1016/j.mcat.2018.09.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Xiao X, Jia G, Liu F, Ou G, Xie Y. RuHCl(CO)(PPh3)3-Catalyzed Direct Amidation of Arene C–H Bond with Azides. J Org Chem 2018; 83:13811-13820. [DOI: 10.1021/acs.joc.8b02123] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Xinsheng Xiao
- Key Laboratory of Comprehensive Utilization of Advantage Plants Resources in Hunan South, College of Chemistry and Bioengineering, Hunan University of Science and Engineering, Yongzhou 425100, China
| | - Guokai Jia
- Key Laboratory of Comprehensive Utilization of Advantage Plants Resources in Hunan South, College of Chemistry and Bioengineering, Hunan University of Science and Engineering, Yongzhou 425100, China
| | - Fang Liu
- Key Laboratory of Comprehensive Utilization of Advantage Plants Resources in Hunan South, College of Chemistry and Bioengineering, Hunan University of Science and Engineering, Yongzhou 425100, China
| | - Guangchuan Ou
- Key Laboratory of Comprehensive Utilization of Advantage Plants Resources in Hunan South, College of Chemistry and Bioengineering, Hunan University of Science and Engineering, Yongzhou 425100, China
| | - Ying Xie
- College of Chemistry and Environment Engineering, Sichuan University of Scinece & Engineering,180 Hui Xing Road, Zigong 643000, China
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Guo S, Sun L, Wang F, Zhang X, Fan X. Rh(III)-Catalyzed Oxidative Annulation of Isoquinolones with Diazoketoesters Featuring an in Situ Deacylation: Synthesis of Isoindoloisoquinolones and Their Transformation to Rosettacin Analogues. J Org Chem 2018; 83:12034-12043. [PMID: 30156100 DOI: 10.1021/acs.joc.8b01982] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A novel and practical procedure for the preparation of isoindolo[2,1- b]isoquinoline-7-carboxylate derivatives through a Rh(III)-catalyzed oxidative [4 + 1] cycloaddition of isoquinolones with diazoketoesters followed by an in situ deacylation reaction is disclosed. Intriguingly, the title compounds could be easily converted into isoindolo[2,1- b]isoquinolin-5(7 H)-ones via de-esterification, which are rosettacin analogues and frequently found in various natural alkaloids and synthetic drug molecules.
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Affiliation(s)
- Shenghai Guo
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, 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 , P. R. China
| | - Lincong Sun
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, 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 , P. R. China
| | - Fang Wang
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, 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 , P. R. China
| | - Xinying Zhang
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, 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 , P. R. China
| | - Xuesen Fan
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, 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 , P. R. China
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Wu H, Li X, Tang X, Feng C, Huang G. Mechanisms of Rhodium(III)-Catalyzed C–H Functionalizations of Benzamides with α,α-Difluoromethylene Alkynes. J Org Chem 2018; 83:9220-9230. [DOI: 10.1021/acs.joc.8b01229] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Hongli Wu
- Department of Chemistry, School of Science and Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin University, Tianjin 300072, P. R. China
| | - Xiaojie Li
- Department of Chemistry, School of Science and Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin University, Tianjin 300072, P. R. China
| | - Xiangyang Tang
- Department of Chemistry, School of Science and Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin University, Tianjin 300072, P. R. China
| | - Chao Feng
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, P. R. China
| | - Genping Huang
- Department of Chemistry, School of Science and Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin University, Tianjin 300072, P. R. China
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