1
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Shambhavi CN, Jeganmohan M. Ru(II)-Catalyzed C-H Alkenylation of Benzimidates with Unactivated Olefins: A Route to ortho-Alkenylated Benzonitriles. Org Lett 2023; 25:358-363. [PMID: 36606744 DOI: 10.1021/acs.orglett.2c04036] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
A Ru(II)-catalyzed C-H alkenylation of benzimidates with unactivated alkenes providing ortho-alkenylated benzonitriles in good to excellent yields in a highly regio- and stereoselective manner is described. In the reaction, an imidate group converted into a nitrile under the reaction conditions. The alkenylation reaction was compatible with various substituted benzimidates as well as functionalized unactivated olefins, including ibuprofen-, neproxen-, coumarin-, and cholesterol-substituted alkenes. A feasible reaction mechanism was proposed to account for the present alkenylation reaction.
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Affiliation(s)
| | - Masilamani Jeganmohan
- Department of Chemistry, Indian Institute of Technology Madras, Chennai, Tamil Nadu 600036, India
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2
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Rakshit A, Dhara HN, Sahoo AK, Patel BK. The Renaissance of Organo Nitriles in Organic Synthesis. Chem Asian J 2022; 17:e202200792. [PMID: 36047749 DOI: 10.1002/asia.202200792] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 08/31/2022] [Indexed: 11/11/2022]
Abstract
In the arena of functional group-oriented organic synthesis, the nitrile or cyano functionality is of immense importance. The presence of nucleophilic N -atom, π-coordinating ability of the triple bond, and electrophilic C-center imparts unique and interesting reactivity. Owing to the ability of the nitrile to transform into various other functional groups or intermediates, the chemistry is very rich and diverse. In particular, the involvement of nitrile in numerous organic reactions such as inter- or intramolecular alkyne insertion, [2 + 2 + 2] cycloaddition with alkynes, [3 + 2] cycloaddition with azides, [4 + 2] cycloaddition with diene allow the synthesis of many important carbocycles and heterocycles. Furthermore, the nitrile serves as a directing group in many C-H bond functionalization reactions to introduce diverse functionality and participate as a radical acceptor in radical cascade strategies to obtain a large variety of functional molecules. This review mainly focuses on the reactivity and diverse synthetic application of the nitrile including C-H bond functionalization, alkyne insertion, cycloaddition, and thermal or photochemical cascade strategy. The objective of the current review aims at bringing out the striking collection of various nitrile-triggered organic transformations.
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Affiliation(s)
- Amitava Rakshit
- IIT Guwahati: Indian Institute of Technology Guwahati, Chemistry, INDIA
| | | | | | - Bhisma K Patel
- Indian Institute of Technology Guwahati, Chemistry, North Guwahati-781 039, 781 039, Guwahati, INDIA
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3
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Pan S, Sarkar S, Ghosh B, Samanta R. Transition metal catalysed direct construction of 2-pyridone scaffolds through C-H bond functionalizations. Org Biomol Chem 2021; 19:10516-10529. [PMID: 34816862 DOI: 10.1039/d1ob01856f] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Substituted 2-pyridone is one of the most frequent scaffolds among nitrogen-containing bioactive natural products, pharmaceuticals and organic materials. Besides the classical syntheses to construct this class of molecules, retrosynthetically more straightforward approaches based on transition metal catalysed C-H bond functionalizations have been explored recently. In this review, we have summarized the recent progress in the direct transition metal catalysed construction of substituted 2-pyridone scaffolds via site-selective C-H bond functionalizations.
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Affiliation(s)
- Subarna Pan
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India.
| | - Souradip Sarkar
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India.
| | - Bidhan Ghosh
- 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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4
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Zhou Y, Hua R. Synthesis of 1-Benzyl-, 1-Alkoxyl-, and 1-Aminoisoquinolines via Rhodium(III)-Catalyzed Aryl C-H Activation and Alkyne Annulation. J Org Chem 2021; 86:8862-8872. [PMID: 34164989 DOI: 10.1021/acs.joc.1c00786] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
One-pot syntheses of 1-benzyl-, 1-alkoxyl-, and 1-alkylamino- isoquinolines through automatic directing group (DGauto)-assisted, rhodium(III)-catalyzed aryl C-H activation and annulation with internal alkynes were developed. The reactions affording 1-benzylisoquinolines involve a cascade oximation of diarylacetylenes with hydroxylamine, forming aryl benzyl ketone oxime, and oxime-assisted rhodium(III)-catalyzed aryl C-H activation and followed annulation with another molecule of diarylacetylene in a one-pot manner. The formation of 1-alkoxyl/amino isoquinolines includes the addition of nucleophilic alcohols or amines to aryl nitriles, imine-assisted rhodium-catalyzed aryl C-H activation, and subsequent alkyne annulation.
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Affiliation(s)
- Yiming Zhou
- Key Laboratory of Organic Optoelectronics & Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Ruimao Hua
- Key Laboratory of Organic Optoelectronics & Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China
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5
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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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6
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7
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Banik T, Kaliappan KP. A Serendipitous One-Pot Cyanation/Hydrolysis/Enamide Formation: Direct Access to 3-Methyleneisoindolin-1-ones. Chemistry 2021; 27:628-633. [PMID: 32812249 DOI: 10.1002/chem.202003209] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 08/14/2020] [Indexed: 11/07/2022]
Abstract
A direct, one-pot conversion of 2'-haloacetophenones to 3-methyleneisoindolin-1-one scaffolds using CuCN as the sole reagent without the need for moisture-free or anaerobic conditions is reported. This serendipitously discovered transformation with a broad substrate scope provides a significantly different route towards these important scaffolds. The scope of the method has also been further extended towards the synthesis of three special scaffolds, which are analogous to various bio-active drugs.
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Affiliation(s)
- Trisha Banik
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai, 400076, India
| | - Krishna P Kaliappan
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai, 400076, India
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8
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Rh(III)-catalyzed direct cross-dehydrogenative coupling of aromatic nitriles with heteroarenes: Rapid access to biheteroaryl-2-carbonitriles. GREEN SYNTHESIS AND CATALYSIS 2020. [DOI: 10.1016/j.gresc.2020.09.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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9
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Xu F, Zhu WJ, Wang J, Ma Q, Shen LJ. Rhodium-catalyzed synthesis of substituted isoquinolones via a selective decarbonylation/alkyne insertion cascade of phthalimides. Org Biomol Chem 2020; 18:8219-8223. [PMID: 33043915 DOI: 10.1039/d0ob01793k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
A rhodium-catalyzed decarbonylation/alkyne insertion cascade of phthalimides has been established. The reaction can be carried out in an operationally simple manner and provides expedient access to a series of isoquinolones in moderate to good yields. This reaction proceeded through a sequential decarbonylation/alkyne insertion/intramolecular annulation procedure and featured good functional group tolerance, ample substrate scope, and the construction of C-C and C-N bonds in one pot.
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Affiliation(s)
- Fen Xu
- Department of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, P. R. China
| | - Wen-Jing Zhu
- Department of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, P. R. China
| | - Juan Wang
- Henan Ecological and Environmental Monitoring Center, Zhengzhou 450002, P. R. China
| | - Qi Ma
- Department of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, P. R. China
| | - Li-Jing Shen
- Department of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, P. R. China
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10
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Gore BS, Kuo CY, Garkhedkar AM, Chang YL, Wang JJ. Metal-Free Solvent/Base-Switchable Divergent Synthesis of Multisubstituted Dihydrofurans. Org Lett 2020; 22:6160-6165. [DOI: 10.1021/acs.orglett.0c02240] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Babasaheb Sopan Gore
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, No. 100, Shiquan First Road, Sanmin District, Kaohsiung City, 807, Taiwan
| | - Chiao-Ying Kuo
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, No. 100, Shiquan First Road, Sanmin District, Kaohsiung City, 807, Taiwan
| | - Amol Milind Garkhedkar
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, No. 100, Shiquan First Road, Sanmin District, Kaohsiung City, 807, Taiwan
| | - Yu-Lun Chang
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, No. 100, Shiquan First Road, Sanmin District, Kaohsiung City, 807, Taiwan
| | - Jeh-Jeng Wang
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, No. 100, Shiquan First Road, Sanmin District, Kaohsiung City, 807, Taiwan
- Department of Medical Research, Kaohsiung Medical University Hospital, No. 100, Tzyou First Road, Sanmin District, Kaohsiung City, 807, Taiwan
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11
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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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12
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Chen J, Zhang L, Zheng X, Zhou J, Zhong T, Yu C. Synthesis of isoquinolinone derivatives by Rh (III)-catalyzed C–H functionalization of N-ethoxybenzamides. SYNTHETIC COMMUN 2020. [DOI: 10.1080/00397911.2020.1755984] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Junyu Chen
- College of pharmaceutical sciences, Zhejiang University of Technology, Hangzhou, Zhejiang, P. R. of China
| | - Lei Zhang
- College of pharmaceutical sciences, Zhejiang University of Technology, Hangzhou, Zhejiang, P. R. of China
| | - Xiangyun Zheng
- College of pharmaceutical sciences, Zhejiang University of Technology, Hangzhou, Zhejiang, P. R. of China
| | - Jian Zhou
- College of pharmaceutical sciences, Zhejiang University of Technology, Hangzhou, Zhejiang, P. R. of China
| | - Tianshuo Zhong
- College of pharmaceutical sciences, Zhejiang University of Technology, Hangzhou, Zhejiang, P. R. of China
| | - Chuanming Yu
- College of pharmaceutical sciences, Zhejiang University of Technology, Hangzhou, Zhejiang, P. R. of China
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13
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Biswas A, Bera S, Poddar P, Dhara D, Samanta R. Rh(iii)-Catalyzed tandem indole C4-arylamination/annulation with anthranils: access to indoloquinolines and their application in photophysical studies. Chem Commun (Camb) 2020; 56:1440-1443. [DOI: 10.1039/c9cc08372c] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
An efficient Rh(iii)-catalyzed straightforward strategy was developed for the site-selective tandem C4 arylamination/annulation of indole derivatives with anthranil to provide indoloquinoline moieties.
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Affiliation(s)
- Aniruddha Biswas
- Department of Chemistry
- Indian Institute of Technology Kharagpur
- Kharagpur 721302
- India
| | - Satabdi Bera
- Department of Chemistry
- Indian Institute of Technology Kharagpur
- Kharagpur 721302
- India
| | - Puja Poddar
- Department of Chemistry
- Indian Institute of Technology Kharagpur
- Kharagpur 721302
- India
| | - Dibakar Dhara
- 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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14
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Ten years of progress in the synthesis of six-membered N-heterocycles from alkynes and nitrogen sources. Tetrahedron 2020. [DOI: 10.1016/j.tet.2019.130876] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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15
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Liu C, Yang F. Au-Catalyzed Stereoselective Ritter Reaction of Haloalkynes with Nitriles for (Z
)-β
-Halogenated Enamides. European J Org Chem 2019. [DOI: 10.1002/ejoc.201901318] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Congrong Liu
- School of Environment Engineering; Nanjing Institute of Technology; 1 Hongjingdadao 211167 Nanjing Jiangsu China
| | - Fulai Yang
- Department State Key Laboratory of Natural Medicines; Department of Organic Chemistry; China Pharmaceutical University; 210009 Nanjing P. R. China
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16
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Sagara PS, Siril PF, Ravikumar PC. N-Amino-7-azaindole as the N,N′-Bidentate Directing Group: Ruthenium-Catalyzed Oxidative Annulation of N-(7-Azaindole)benzamides with Alkynes via C–H Bond Activation. J Org Chem 2019; 84:12314-12323. [DOI: 10.1021/acs.joc.9b01598] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Prateep Singh Sagara
- School of Basic Sciences, Indian Institute of Technology Mandi, Mandi, Himachal Pradesh 175005, India
| | - Prem Felix Siril
- School of Basic Sciences, Indian Institute of Technology Mandi, Mandi, Himachal Pradesh 175005, India
| | - Ponneri Chandrababu Ravikumar
- School of Chemical Sciences, National Institute of Science Education and Research (NISER) Bhubaneswar, Jatani Campus, Odisha 752050, India
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17
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Guntreddi T, Shankar M, Kommu N, Sahoo AK. Construction of Pyranoisoquinolines via Ru(II)-Catalyzed Unsymmetrical Double Annulation of N-Methoxybenzamides with Unactivated Alkynes. J Org Chem 2019; 84:13033-13044. [PMID: 31411030 DOI: 10.1021/acs.joc.9b01878] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A ruthenium (Ru)-catalyzed double annulation of easily accessible N-methoxybenzamide derivatives with unactivated alkynes for the synthesis of unusual 6,6-fused pyranoisoquinolines is described. Both ortho-C-H bonds of arenes and the N- and O-moieties of N-methoxybenzamides are involved in the construction of four [(C-C)-(C-N) and (C-C)-(C-O)] bonds in one step under single catalytic conditions. The unsymmetrical annulation of N-methoxybenzamides with two distinct alkynes is also demonstrated. The oxidizable directing group N-methoxyamine (NHOMe) assists the unsymmetrical double annulations of arenes [that use both N- and O-heteroatoms] in a single operation. This synthetic method features excellent substrate scope and tolerates a wide range of functional groups. Peripheral modification of pyranoisoquinolines for the construction of complex heterocyclic compounds is also demonstrated.
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Affiliation(s)
| | - Majji Shankar
- School of Chemistry , University of Hyderabad , Hyderabad , Telangana 500046 , India
| | - Nagarjuna Kommu
- Advanced Center of Research in High Energy Materials (ACRHEM) , University of Hyderabad , Hyderabad , Telangana 500046 , India
| | - Akhila K Sahoo
- School of Chemistry , University of Hyderabad , Hyderabad , Telangana 500046 , India.,Advanced Center of Research in High Energy Materials (ACRHEM) , University of Hyderabad , Hyderabad , Telangana 500046 , India
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18
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Gore BS, Lee CC, Lee J, Wang J. Copper‐Catalyzed Synthesis of Substituted 4‐Quinolones using Water as a Benign Reaction Media: Application for the Construction of Oxolinic Acid and BQCA. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900286] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Babasaheb Sopan Gore
- Department of Medicinal and Applied ChemistryKaohsiung Medical University No. 100, Shih-Chuan 1st Rd, Sanmin district Kaohsiung City 807 Taiwan
| | - Chein Chung Lee
- Department of Medicinal and Applied ChemistryKaohsiung Medical University No. 100, Shih-Chuan 1st Rd, Sanmin district Kaohsiung City 807 Taiwan
| | - Jessica Lee
- Department of Medicinal and Applied ChemistryKaohsiung Medical University No. 100, Shih-Chuan 1st Rd, Sanmin district Kaohsiung City 807 Taiwan
| | - Jeh‐Jeng Wang
- Department of Medicinal and Applied ChemistryKaohsiung Medical University No. 100, Shih-Chuan 1st Rd, Sanmin district Kaohsiung City 807 Taiwan
- Department of Medical ResearchKaohsiung Medical University Hospital No. 100, Tzyou 1st Rd, Sanmin District Kaohsiung City 807 Taiwan
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19
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Deshmukh DS, Gangwar N, Bhanage BM. Rapid and Atom Economic Synthesis of Isoquinolines and Isoquinolinones by C-H/N-N Activation Using a Homogeneous Recyclable Ruthenium Catalyst in PEG Media. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900366] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Dewal S. Deshmukh
- Department of Chemistry; Institute of Chemical Technology; -400019 Mumbai India
| | - Neha Gangwar
- Department of Chemistry; Institute of Chemical Technology; -400019 Mumbai India
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20
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Abstract
The past decades have witnessed rapid development in organic synthesis via catalysis, particularly the reactions through C–H bond functionalization. Transition metals such as Pd, Rh and Ru constitute a crucial catalyst in these C–H bond functionalization reactions. This process is highly attractive not only because it saves reaction time and reduces waste,but also, more importantly, it allows the reaction to be performed in a highly region specific manner. Indeed, several organic compounds could be readily accessed via C–H bond functionalization with transition metals. In the recent past, tremendous progress has been made on C–H bond functionalization via ruthenium catalysis, including less expensive but more stable ruthenium(II) catalysts. The ruthenium-catalysed C–H bond functionalization, viz. arylation, alkenylation, annulation, oxygenation, and halogenation involving C–C, C–O, C–N, and C–X bond forming reactions, has been described and presented in numerous reviews. This review discusses the recent development of C–H bond functionalization with various ruthenium-based catalysts. The first section of the review presents arylation reactions covering arylation directed by N–Heteroaryl groups, oxidative arylation, dehydrative arylation and arylation involving decarboxylative and sp3-C–H bond functionalization. Subsequently, the ruthenium-catalysed alkenylation, alkylation, allylation including oxidative alkenylation and meta-selective C–H bond alkylation has been presented. Finally, the oxidative annulation of various arenes with alkynes involving C–H/O–H or C–H/N–H bond cleavage reactions has been discussed.
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Xu HB, Zhu YY, Yang JH, Chai XY, Dong L. Rhodium-catalyzed biheteroaryl-2-carbonitrile synthesis via double C–H activation. Org Chem Front 2019. [DOI: 10.1039/c9qo01114e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Rhodium(iii)-catalyzed double C–H activation and in situ dealcoholization to generate biheteroaryl-2-carbonitriles have been developed via a CDC mechanism, in which benzimidates act as both directing groups and the precursors of nitrile groups.
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Affiliation(s)
- Hui-Bei Xu
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry
- Sichuan Research Center for Drug Precision Industrial Technology
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
| | - Yan-Ying Zhu
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry
- Sichuan Research Center for Drug Precision Industrial Technology
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
| | - Jia-Hui Yang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry
- Sichuan Research Center for Drug Precision Industrial Technology
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
| | - Xin-Yue Chai
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry
- Sichuan Research Center for Drug Precision Industrial Technology
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
| | - Lin Dong
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry
- Sichuan Research Center for Drug Precision Industrial Technology
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
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22
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Li JS, Yang Q, Chen GQ, Li ZW, Huang PM. Facile Reagent-Free Synthesis of Furo[3,2-c
]pyridinones and Their Polynuclear Analogues with DDQ as Precursor. ChemistrySelect 2018. [DOI: 10.1002/slct.201802686] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Jiang-Sheng Li
- Hunan Provincial Key Laboratory of Materials; Protection for Electric Power and Transportation; School of Chemistry and Biological Engineering; Changsha University of Science & Technology; Changsha 410114 People's Republic of China
| | - Qian Yang
- Hunan Provincial Key Laboratory of Materials; Protection for Electric Power and Transportation; School of Chemistry and Biological Engineering; Changsha University of Science & Technology; Changsha 410114 People's Republic of China
| | - Guo-Qin Chen
- Hunan Provincial Key Laboratory of Materials; Protection for Electric Power and Transportation; School of Chemistry and Biological Engineering; Changsha University of Science & Technology; Changsha 410114 People's Republic of China
| | - Zhi-Wei Li
- Hunan Provincial Key Laboratory of Materials; Protection for Electric Power and Transportation; School of Chemistry and Biological Engineering; Changsha University of Science & Technology; Changsha 410114 People's Republic of China
| | - Peng-Mian Huang
- Hunan Provincial Key Laboratory of Materials; Protection for Electric Power and Transportation; School of Chemistry and Biological Engineering; Changsha University of Science & Technology; Changsha 410114 People's Republic of China
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23
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Alyabyev SB, Beletskaya IP. Gold as a catalyst. Part II. Alkynes in the reactions of carbon–carbon bond formation. RUSSIAN CHEMICAL REVIEWS 2018. [DOI: 10.1070/rcr4815] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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24
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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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25
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Yin J, Zhou F, Zhu L, Yang M, Lan Y, You J. Annulation cascade of arylnitriles with alkynes to stable delocalized PAH carbocations via intramolecular rhodium migration. Chem Sci 2018; 9:5488-5493. [PMID: 30009016 PMCID: PMC6009538 DOI: 10.1039/c8sc01963k] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Accepted: 05/28/2018] [Indexed: 01/24/2023] Open
Abstract
Herein, we propose the conception of heteroatom-promoted delocalization of the positive charge of an oxonium ion and thus develop a highly efficient rhodium(iii)-catalyzed hydration and three fold C-H activation/annulation cascade of arylnitriles with alkynes, affording a structurally diverse family of delocalized polycyclic aromatic hydrocarbon (PAH) carbocations. DFT calculations demonstrate that the positive charge mostly locates around the C1 atom and is partly delocalized by ambient N, O1 and C5 atoms. A mechanistic study indicates that the hydration of the arylnitrile and three fold insertion of the alkyne is a successive process rather than a step by step process, wherein a unique intramolecular rhodium migration is probably involved. These novel carbeniums show tunable fluorescence emission, low cytotoxicity and the ability to specifically target lysosomes.
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Affiliation(s)
- Jiangliang Yin
- Key Laboratory of Green Chemistry and Technology of Ministry of Education , College of Chemistry , Sichuan University , 29 Wangjiang Road , Chengdu 610064 , PR China .
| | - Fulin Zhou
- Key Laboratory of Green Chemistry and Technology of Ministry of Education , College of Chemistry , Sichuan University , 29 Wangjiang Road , Chengdu 610064 , PR China .
| | - Lei Zhu
- School of Chemistry and Chemical Engineering , Chongqing University , Chongqing 400030 , PR China
| | - Mufan Yang
- Key Laboratory of Green Chemistry and Technology of Ministry of Education , College of Chemistry , Sichuan University , 29 Wangjiang Road , Chengdu 610064 , PR China .
| | - Yu Lan
- School of Chemistry and Chemical Engineering , Chongqing University , Chongqing 400030 , PR China
| | - Jingsong You
- Key Laboratory of Green Chemistry and Technology of Ministry of Education , College of Chemistry , Sichuan University , 29 Wangjiang Road , Chengdu 610064 , PR China .
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26
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Anukumar A, Tamizmani M, Jeganmohan M. Ruthenium(II)-Catalyzed Regioselective-Controlled Allenylation/Cyclization of Benzimides with Propargyl Alcohols. J Org Chem 2018; 83:8567-8580. [DOI: 10.1021/acs.joc.8b01123] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Adapa Anukumar
- Department of Chemistry, Indian Institute of Technology Madras, Chennai, Tamil Nadu 600036, India
| | - Masilamani Tamizmani
- Department of Chemistry, Indian Institute of Technology Madras, Chennai, Tamil Nadu 600036, India
| | - Masilamani Jeganmohan
- Department of Chemistry, Indian Institute of Technology Madras, Chennai, Tamil Nadu 600036, India
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27
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Zhang GT, Dong L. Synthesis of Polycyclic Amides via Tandem RhIII
-Catalyzed C−H Activation and Annulation from Dioxazolones and Alkynes. ASIAN J ORG CHEM 2017. [DOI: 10.1002/ajoc.201700140] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Guo-Tai Zhang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry; West China School of Pharmacy; Sichuan University; Chengdu 610041 China
| | - Lin Dong
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry; West China School of Pharmacy; Sichuan University; Chengdu 610041 China
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28
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Ruiz S, Carrera C, Villuendas P, Urriolabeitia EP. Ru-Catalysed synthesis of fused heterocycle-pyridinones and -pyrones. Org Biomol Chem 2017; 15:8904-8913. [DOI: 10.1039/c7ob01497j] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Heterocycle-pyridinones and heterocycle-pyranones have been prepared by Ru-catalysed oxidative coupling of N-unprotected primary heterocycle-amides and heterocycle-carboxylic acids with internal alkynes.
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Affiliation(s)
- S. Ruiz
- Instituto de Síntesis Química y Catálisis Homogénea
- CSIC-Universidad de Zaragoza
- E-50009 Zaragoza
- Spain
| | - C. Carrera
- Instituto de Síntesis Química y Catálisis Homogénea
- CSIC-Universidad de Zaragoza
- E-50009 Zaragoza
- Spain
| | - P. Villuendas
- Instituto de Síntesis Química y Catálisis Homogénea
- CSIC-Universidad de Zaragoza
- E-50009 Zaragoza
- Spain
| | - E. P. Urriolabeitia
- Instituto de Síntesis Química y Catálisis Homogénea
- CSIC-Universidad de Zaragoza
- E-50009 Zaragoza
- Spain
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29
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Shankar M, Ghosh K, Mukherjee K, Rit RK, Sahoo AK. Ru-Catalyzed One-Pot Diannulation of Heteroaryls: Direct Access to π-Conjugated Polycyclic Amides. Org Lett 2016; 18:6416-6419. [PMID: 27978646 DOI: 10.1021/acs.orglett.6b03314] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
A novel Ru-catalyzed oxidative double annulation of heteroarenes with symmetrical and unsymmetrical alkynes is reported. A general method for the unsymmetrical annulation of heteroarenes with two distinct alkynes is showcased for the first time. Methylphenyl sulfoximine (MPS) plays an important role in the annulations of heteroarenes and allows the construction of structurally complex π-conjugated heteroarene-fused polycyclic amide skeletons via the formation of multiple C-C and C-N bonds in a single operation. The reaction exhibits excellent substrate scope and tolerates a wide range of functional groups.
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Affiliation(s)
- Majji Shankar
- School of Chemistry, University of Hyderabad , Hyderabad-500046, India
| | - Koushik Ghosh
- School of Chemistry, University of Hyderabad , Hyderabad-500046, India
| | - Kallol Mukherjee
- School of Chemistry, University of Hyderabad , Hyderabad-500046, India
| | - Raja K Rit
- School of Chemistry, University of Hyderabad , Hyderabad-500046, India
| | - Akhila K Sahoo
- School of Chemistry, University of Hyderabad , Hyderabad-500046, India
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30
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Muthusamy S, Kumarswamyreddy N, Kesavan V, Chandrasekaran S. Recent advances in aerobic oxidation with ruthenium catalysts. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.11.024] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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31
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Ruiz S, Villuendas P, Urriolabeitia EP. Ru-catalysed C–H functionalisations as a tool for selective organic synthesis. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.06.117] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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32
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Choppakatla S, Dachepally AK, Bollikolla HB. Palladium-catalyzed double C–H functionalization of 2-aryl-1,3-dicarbonyl compounds: a facile access to alkenylated benzopyrans. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.04.089] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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33
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Yang X, Jin X, Wang C. Manganese-Catalyzed ortho
-C−H Alkenylation of Aromatic N−H Imidates with Alkynes: Versatile Access to Mono
-Alkenylated Aromatic Nitriles. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201600128] [Citation(s) in RCA: 99] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Xiaoxu Yang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 People's Republic of China
| | - Xiqing Jin
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 People's Republic of China
| | - Congyang Wang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 People's Republic of China
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34
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Kumar D, Vemula SR, Cook GR. Merging C–H Bond Functionalization with Amide Alcoholysis: En Route to 2-Aminopyridines. ACS Catal 2016. [DOI: 10.1021/acscatal.6b00728] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Dinesh Kumar
- Department
of Chemistry and
Biochemistry, North Dakota State University, Fargo, North Dakota 58108-6050, United States
| | - Sandeep R. Vemula
- Department
of Chemistry and
Biochemistry, North Dakota State University, Fargo, North Dakota 58108-6050, United States
| | - Gregory R. Cook
- Department
of Chemistry and
Biochemistry, North Dakota State University, Fargo, North Dakota 58108-6050, United States
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35
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Boyarskiy VP, Ryabukhin DS, Bokach NA, Vasilyev AV. Alkenylation of Arenes and Heteroarenes with Alkynes. Chem Rev 2016; 116:5894-986. [DOI: 10.1021/acs.chemrev.5b00514] [Citation(s) in RCA: 319] [Impact Index Per Article: 39.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Vadim P. Boyarskiy
- Institute of Chemistry, Saint Petersburg State University, Universitetskaya nab., 7/9, Saint Petersburg 199034, Russia
| | - Dmitry S. Ryabukhin
- Institute of Chemistry, Saint Petersburg State University, Universitetskaya nab., 7/9, Saint Petersburg 199034, Russia
- Department of Chemistry, Saint Petersburg State Forest Technical University, Institutsky per. 5, Saint Petersburg 194021, Russia
| | - Nadezhda A. Bokach
- Institute of Chemistry, Saint Petersburg State University, Universitetskaya nab., 7/9, Saint Petersburg 199034, Russia
| | - Aleksander V. Vasilyev
- Institute of Chemistry, Saint Petersburg State University, Universitetskaya nab., 7/9, Saint Petersburg 199034, Russia
- Department of Chemistry, Saint Petersburg State Forest Technical University, Institutsky per. 5, Saint Petersburg 194021, Russia
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36
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Sivakumar G, Vijeta A, Jeganmohan M. Cobalt-Catalyzed Cyclization of N-Methoxy Benzamides with Alkynes using an Internal Oxidant through C-H/N-O Bond Activation. Chemistry 2016; 22:5899-903. [PMID: 26951887 DOI: 10.1002/chem.201600471] [Citation(s) in RCA: 100] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Indexed: 11/10/2022]
Abstract
The cyclization of substituted N-methoxy benzamides with alkynes in the presence of an easily affordable cobalt complex and NaOAc provides isoquinolone derivatives in good to excellent yields. The cyclization reaction is compatible with a range of functional group-substituted benzamides, as well as ester- and alcohol-substituted alkynes. The cobalt complex [Co(III) Cp*(OR)2 ] (R=Me or Ac) serves as an efficient catalyst for the cyclization reaction. Later, isoquinolone derivatives were converted into 1-chloro and 1-bromo substituted isoquinoline derivatives in excellent yields in the presence of POCl3 or PBr3 .
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Affiliation(s)
- Ganesan Sivakumar
- Department of Chemistry, Indian Institute of Science Education and Research, Pune, 411021, India
| | - Arjun Vijeta
- Department of Chemistry, Indian Institute of Science Education and Research, Pune, 411021, India
| | - Masilamani Jeganmohan
- Department of Chemistry, Indian Institute of Science Education and Research, Pune, 411021, India.
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37
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Shaikh AC, Shinde DR, Patil NT. Gold vs Rhodium Catalysis: Tuning Reactivity through Catalyst Control in the C–H Alkynylation of Isoquinolones. Org Lett 2016; 18:1056-9. [DOI: 10.1021/acs.orglett.6b00175] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Aslam C. Shaikh
- Division
of Organic Chemistry, CSIR-National Chemical Laboratory, Dr. Homi
Bhabha Road, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), New
Delhi 110025, India
| | - Dinesh R. Shinde
- Division
of Organic Chemistry, CSIR-National Chemical Laboratory, Dr. Homi
Bhabha Road, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), New
Delhi 110025, India
| | - Nitin T. Patil
- Division
of Organic Chemistry, CSIR-National Chemical Laboratory, Dr. Homi
Bhabha Road, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), New
Delhi 110025, India
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38
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Li R, Hu Y, Liu R, Hu R, Li B, Wang B. Ruthenium(II)-Catalyzed Oxidative Annulation Reactions of Arylimidazolium SaltsviaN-Heterocyclic Carbene-Directed CH Activation. Adv Synth Catal 2015. [DOI: 10.1002/adsc.201500788] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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39
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Lee S, Mah S, Hong S. Catalyst Controlled Divergent C4/C8 Site-Selective C-H Arylation of Isoquinolones. Org Lett 2015. [PMID: 26218668 DOI: 10.1021/acs.orglett.5b01840] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The catalyst-controlled C4/C8 site-selective C-H arylation of isoquinolones using aryliodonium salts as the coupling partners was developed. The C4-selective arylation was successfully achieved via an electrophilic palladation pathway. A completely different selectivity pattern was observed using an Ir(III) catalytic system, which resulted in C-C bond formation exclusively at the C8 position. The isoquinolone scaffold can be conveniently equipped with various aryl substituents at either the C4 or C8 position.
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Affiliation(s)
- Soyoung Lee
- †Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 305-701, Korea.,‡Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 305-701, Korea
| | - Shinmee Mah
- †Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 305-701, Korea.,‡Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 305-701, Korea
| | - Sungwoo Hong
- †Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 305-701, Korea.,‡Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 305-701, Korea
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40
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Ghosh M, Naskar A, Mishra S, Hajra A. Palladium-catalyzed dehydrogenative annulation of imidazo[1,2- a ]pyridines with diarylalkynes. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.05.028] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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41
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Tirler C, Ackermann L. Ruthenium(II)-catalyzed cross-dehydrogenative C–H alkenylations by triazole assistance. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.02.033] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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42
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Villuendas P, Urriolabeitia EP. Ru-Catalyzed Regioselective CH-Hydroarylation of Alkynes with Benzylthioethers Using Sulfur as Directing Group. Org Lett 2015; 17:3178-81. [DOI: 10.1021/acs.orglett.5b01552] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Pedro Villuendas
- Instituto de Síntesis
Química y Catálisis Homogénea, ISQCH
CSIC, Universidad de Zaragoza, Pedro Cerbuna 12, 50009 Zaragoza, Spain
| | - Esteban P. Urriolabeitia
- Instituto de Síntesis
Química y Catálisis Homogénea, ISQCH
CSIC, Universidad de Zaragoza, Pedro Cerbuna 12, 50009 Zaragoza, Spain
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43
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Ruiz S, Villuendas P, Ortuño MA, Lledós A, Urriolabeitia EP. Ruthenium-Catalyzed Oxidative Coupling of Primary Amines with Internal Alkynes through CH Bond Activation: Scope and Mechanistic Studies. Chemistry 2015; 21:8626-36. [DOI: 10.1002/chem.201500338] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2015] [Indexed: 12/11/2022]
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44
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Lingayya R, Vellakkaran M, Nagaiah K, Nanubolu JB. Ruthenium as a Single Catalyst for Two Steps: One-Pot Ruthenium(II)-Catalyzed Aerobic Oxidative Dehydrogenation of Dihydroquinazolinones and Cross-Coupling/Annulation to give N-Fused Polycyclic Heteroarenes. ASIAN J ORG CHEM 2015. [DOI: 10.1002/ajoc.201500025] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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45
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Warratz S, Kornhaaß C, Cajaraville A, Niepötter B, Stalke D, Ackermann L. Ruthenium(II)-catalyzed C-H activation/alkyne annulation by weak coordination with O2 as the sole oxidant. Angew Chem Int Ed Engl 2015; 54:5513-7. [PMID: 25737001 DOI: 10.1002/anie.201500600] [Citation(s) in RCA: 215] [Impact Index Per Article: 23.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2015] [Indexed: 01/16/2023]
Abstract
Aerobic oxidative CH functionalizations of weakly coordinating benzoic acids have been accomplished with versatile ruthenium(II) biscarboxylates under ambient oxygen or air. Mechanistic studies identified the key factors controlling the elementary step of the oxidation of the ruthenium(0) complex.
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Affiliation(s)
- Svenja Warratz
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstrasse 2, 37077 Göttingen (Germany) http://www.ackermann.chemie.uni-goettingen.de/
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46
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Warratz S, Kornhaaß C, Cajaraville A, Niepötter B, Stalke D, Ackermann L. Ruthenium(II)-katalysierte C-H-Aktivierung/Alkinanellierung durch schwache Koordination mit O2als einzigem Oxidationsmittel. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201500600] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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47
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Broggini G, Poli G, Beccalli EM, Brusa F, Gazzola S, Oble J. Ruthenium-Catalyzed Hydroamination of Aminoallenes: an Approach to Vinyl Substituted Heterocycles. Adv Synth Catal 2015. [DOI: 10.1002/adsc.201400776] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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48
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49
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Hubrich J, Himmler T, Rodefeld L, Ackermann L. Ruthenium(II)-Catalyzed CH Arylation of Anilides with Boronic Acids, Borinic Acids and Potassium Trifluoroborates. Adv Synth Catal 2015. [DOI: 10.1002/adsc.201400906] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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50
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Ackermann L. Robust Ruthenium(II)-Catalyzed C–H Arylations: Carboxylate Assistance for the Efficient Synthesis of Angiotensin-II-Receptor Blockers. Org Process Res Dev 2015. [DOI: 10.1021/op500330g] [Citation(s) in RCA: 256] [Impact Index Per Article: 28.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Lutz Ackermann
- Institut für Organische
und Biomolekulare Chemie, Georg-August-Universität, Tammannstraße 2, 37077 Göttingen, Germany
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