1
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Gupta A, Rahaman A, Bhadra S. Bioinspired Functionalization of Carbonyl Compounds Enabled by Metal Chelated Bifunctional Ligands. Chemistry 2024; 30:e202302812. [PMID: 37807759 DOI: 10.1002/chem.202302812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 09/29/2023] [Accepted: 10/04/2023] [Indexed: 10/10/2023]
Abstract
In Nature, enzymatic reactions proceed through exceptionally ordered transition states giving rise to extraordinary levels of stereoselection. In those reactions, the active site of the enzyme plays crucial roles - through one position, it holds the substrate in the proximity to the reaction epicentre that facilitates both the reactivity and stereoselectivity of the chemical process. Inspired by this natural phenomenon, synthetic chemists have designed bifunctional ligands that not only coordinate to a metal centre but also preassociate with an organic substrate, for example aldehyde and ketone, and exerts stereodirecting influence to accelerate the attack of the incoming reacting partner from a particular enantiotopic face. The chief goal of the current review is to give an overview of the recently developed approaches enabled by privileged bio-inspired bifunctional ligands that not only bind to the metal catalyst but also activates carbonyl substrates via organocatalysis, thereby easing in the new bond forming step. As carbonyl α-functionalizations are dominated by enamine and enolate chemistry, the current review primarily focusses on enamine- and enolate-metal catalysis by bifunctional ligands. Thus, developments based on traditional cooperative catalysis occurring through two directly coupled but independent catalytic cycles of an organocatalyst and a metal catalyst are not covered.
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Affiliation(s)
- Aniket Gupta
- Inorganic Materials and Catalysis Division, CSIR-Central Salt and Marine Chemicals Research Institute, GB Marg, 364002, Bhavnagar, India
- Academy of Scientific and Innovative Research (AcSIR), 201002, Ghaziabad, India
- Current address: School of Chemistry, The University of Birmingham, B15 2TT, Birmingham, UK
| | - Ajijur Rahaman
- Inorganic Materials and Catalysis Division, CSIR-Central Salt and Marine Chemicals Research Institute, GB Marg, 364002, Bhavnagar, India
- Academy of Scientific and Innovative Research (AcSIR), 201002, Ghaziabad, India
| | - Sukalyan Bhadra
- Inorganic Materials and Catalysis Division, CSIR-Central Salt and Marine Chemicals Research Institute, GB Marg, 364002, Bhavnagar, India
- Academy of Scientific and Innovative Research (AcSIR), 201002, Ghaziabad, India
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2
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Underwood SJ, Douglas CJ. N-Pyridylimidates as Traceless Acyl Equivalents for Directed C-O Bond Functionalization. Org Lett 2023; 25:146-151. [PMID: 36583549 DOI: 10.1021/acs.orglett.2c03961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Directing groups are a common strategy to target traditionally inert bonds, with an easily removable directing group being ideal. Herein we disclose our method for rhodium-catalyzed C-O bond functionalization of N-pyridylimidates using a recyclable and traceless amine directing group. In addition to the substrate scope, we discuss the behavior of this class of compounds and how that behavior affects their reactivity.
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Affiliation(s)
- Steven J Underwood
- Department of Chemistry, University of Minnesota-Twin Cities, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, United States
| | - Christopher J Douglas
- Department of Chemistry, University of Minnesota-Twin Cities, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, United States
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3
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Niu J, Wu H, Niu C, Huang G, Zhang C. Palladium and Amino Acid Co-Catalyzed Highly Regio- and Enantioselective Hydroarylation of Unbiased Alkenes. ACS Catal 2022. [DOI: 10.1021/acscatal.2c01526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jiapan Niu
- Institute of Molecular Plus, Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, School of Science, Tianjin University, Weijin Road 92, Tianjin 300072, China
| | - Hongli Wu
- Institute of Molecular Plus, Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, School of Science, Tianjin University, Weijin Road 92, Tianjin 300072, China
| | - Changhao Niu
- Institute of Molecular Plus, Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, School of Science, Tianjin University, Weijin Road 92, Tianjin 300072, China
| | - Genping Huang
- Institute of Molecular Plus, Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, School of Science, Tianjin University, Weijin Road 92, Tianjin 300072, China
| | - Chun Zhang
- Institute of Molecular Plus, Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, School of Science, Tianjin University, Weijin Road 92, Tianjin 300072, China
- State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
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4
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Trometer N, Roignant M, Davioud-Charvet E. Efficient Multigram-Scale Synthesis of 7-Substituted 3-Methyltetral-1-ones and 6-Fluoromenadione. Org Process Res Dev 2022. [DOI: 10.1021/acs.oprd.1c00421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Nathan Trometer
- Laboratoire dʼInnovation Moléculaire et Applications (LIMA), Team Bio(IN)organic and Medicinal Chemistry, European School of Chemistry, Polymers and Materials (ECPM), UMR7042 Université de Strasbourg−CNRS−UHA, 25 Rue Becquerel, Strasbourg 67087, France
| | - Matthieu Roignant
- Laboratoire dʼInnovation Moléculaire et Applications (LIMA), Team Bio(IN)organic and Medicinal Chemistry, European School of Chemistry, Polymers and Materials (ECPM), UMR7042 Université de Strasbourg−CNRS−UHA, 25 Rue Becquerel, Strasbourg 67087, France
| | - Elisabeth Davioud-Charvet
- Laboratoire dʼInnovation Moléculaire et Applications (LIMA), Team Bio(IN)organic and Medicinal Chemistry, European School of Chemistry, Polymers and Materials (ECPM), UMR7042 Université de Strasbourg−CNRS−UHA, 25 Rue Becquerel, Strasbourg 67087, France
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5
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Zhong J, Zhou W, Yan X, Xia Y, Xiang H, Zhou X. Selective Activation of Unstrained C(O)-C Bond in Ketone Suzuki-Miyaura Coupling Reaction Enabled by Hydride-Transfer Strategy. Org Lett 2022; 24:1372-1377. [PMID: 35129355 DOI: 10.1021/acs.orglett.2c00110] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A Rh(I)-catalyzed ketone Suzuki-Miyaura coupling reaction of benzylacetone with arylboronic acid is developed. Selective C(O)-C bond activation, which employs aminopyridine as a temporary directing group and ethyl vinyl ketone as a hydride acceptor, occurs on the alkyl chain containing a β-position hydrogen. A series of acetophenone products were obtained in yields up to 75%.
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Affiliation(s)
- Jing Zhong
- College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China
| | - Wuxin Zhou
- College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China
| | - Xufei Yan
- West China School of Public Health and West China Fourth Hospital and State Key Laboratory of Biotherapy, Sichuan University, Chengdu 610041, P. R. China
| | - Ying Xia
- West China School of Public Health and West China Fourth Hospital and State Key Laboratory of Biotherapy, Sichuan University, Chengdu 610041, P. R. China
| | | | - Xiangge Zhou
- College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China
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6
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Zhang M, Zhong Z, Liao L, Zhang AQ. Application of a transient directing strategy in cyclization reactions via C–H activation. Org Chem Front 2022. [DOI: 10.1039/d2qo00765g] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
This review introduces seven types of cyclization reactions via C–H activation using a transient directing strategy.
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Affiliation(s)
- Ming Zhang
- Key Laboratory of Functional Small Organic Molecules, Ministry of Education, China
- College of Chemistry and Chemical Engineering, Jiangxi Normal University (Yaohu campus), 99 Ziyangdadao Avenue, Nanchang, Jiangxi 330022, China
| | - Zukang Zhong
- Key Laboratory of Functional Small Organic Molecules, Ministry of Education, China
- College of Chemistry and Chemical Engineering, Jiangxi Normal University (Yaohu campus), 99 Ziyangdadao Avenue, Nanchang, Jiangxi 330022, China
| | - Lihua Liao
- Key Laboratory of Functional Small Organic Molecules, Ministry of Education, China
- College of Chemistry and Chemical Engineering, Jiangxi Normal University (Yaohu campus), 99 Ziyangdadao Avenue, Nanchang, Jiangxi 330022, China
| | - Ai Qin Zhang
- Department of Environmental and Chemical Engineering, Nanchang Hangkong University, Nanchang, Jiangxi, 330063, China
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7
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Wang H, Ye M. Research Advance on Enantioselective Transition Metal-Catalyzed Hydroacylation Reactions. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202207036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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8
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Jacob C, Maes BUW, Evano G. Transient Directing Groups in Metal-Organic Cooperative Catalysis. Chemistry 2021; 27:13899-13952. [PMID: 34286873 DOI: 10.1002/chem.202101598] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Indexed: 12/13/2022]
Abstract
The direct functionalization of C-H bonds is among the most fundamental chemical transformations in organic synthesis. However, when the innate reactivity of the substrate cannot be utilized for the functionalization of a given single C-H bond, this selective C-H bond functionalization mostly relies on the use of directing groups that allow bringing the catalyst in close proximity to the C-H bond to be activated and these directing groups need to be installed before and cleaved after the transformation, which involves two additional undesired synthetic operations. These additional steps dramatically reduce the overall impact and the attractiveness of C-H bond functionalization techniques since classical approaches based on substrate pre-functionalization are sometimes still more straightforward and appealing. During the past decade, a different approach involving both the in situ installation and removal of the directing group, which can then often be used in a catalytic manner, has emerged: the transient directing group strategy. In addition to its innovative character, this strategy has brought C-H bond functionalization to an unprecedented level of usefulness and has enabled the development of remarkably efficient processes for the direct and selective introduction of functional groups onto both aromatic and aliphatic substrates. The processes unlocked by the development of these transient directing groups will be comprehensively overviewed in this review article.
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Affiliation(s)
- Clément Jacob
- Laboratoire de Chimie Organique, Service de Chimie et Physico-Chimie Organiques, Université libre de Bruxelles (ULB), Avenue F.D. Roosevelt 50, CP160/06, 1050, Brussels, Belgium.,Organic Synthesis Division, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Bert U W Maes
- Organic Synthesis Division, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Gwilherm Evano
- Laboratoire de Chimie Organique, Service de Chimie et Physico-Chimie Organiques, Université libre de Bruxelles (ULB), Avenue F.D. Roosevelt 50, CP160/06, 1050, Brussels, Belgium
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9
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Transient directing ligands for selective metal-catalysed C–H activation. Nat Rev Chem 2021; 5:646-659. [PMID: 37118417 DOI: 10.1038/s41570-021-00311-3] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/18/2021] [Indexed: 02/08/2023]
Abstract
C-H activation is a 'simple-to-complex' transformation that nature has perfected over millions of years of evolution. Transition-metal-catalysed C-H activation has emerged as an expeditious means to expand the chemical space by introducing diverse functionalities. Notably, among the strategies to selectively cleave a particular C-H bond, the catalytic use of a small molecule as co-catalyst to generate a transient directing group, which provides a balance between step economy and chemical productivity, has gained immense attention in recent years. This allows one to convert a desired C-H bond irrespective of its geometrical or stereochemical configuration. This Review describes the various transient directing groups used in C-H activation and explains their mechanistic significance.
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10
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Li JF, Xu WW, Wang RH, Li Y, Yin G, Ye M. Construction 7-membered ring via Ni-Al bimetal-enabled C-H cyclization for synthesis of tricyclic imidazoles. Nat Commun 2021; 12:3070. [PMID: 34031420 PMCID: PMC8144396 DOI: 10.1038/s41467-021-23371-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 04/22/2021] [Indexed: 11/09/2022] Open
Abstract
The construction of 7-membered ring via direct C7-H cyclization of benzoimidazoles with alkenes would provide a more atom- and step-economical route to tricyclic imidazoles and derivatives that widely exist in a broad range of bioactive molecules. However, transition metal-catalyzed C-H cyclization for medium-ring synthesis has been limited to reactive C-H bonds, instead, the activation of unreactive C-H bonds towards medium synthesis still remains an elusive challenge. Herein, we report a direct construction of 7-membered rings via Ni-Al co-catalyzed unreactive C7-H cyclization of benzoimidazoles with alkenes, providing a series of tricyclic imidazoles in 40-98% yield and with up to 95:5 er.
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Affiliation(s)
- Jiang-Fei Li
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, China
| | - Wei-Wei Xu
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, China
| | - Rong-Hua Wang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, China
| | - Yue Li
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, China
| | - Ge Yin
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, China
| | - Mengchun Ye
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, China.
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11
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Regioselection in the synthesis of 4-benzyltetral-1-ones and the new 4-arylbenzosuber-1-ones. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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12
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Iioka R, Yorozu K, Sakai Y, Kawai R, Hatae N, Takashima K, Tanabe G, Wasada H, Yoshimatsu M. Synthesis of Azepino[1,2‐
a
]indole‐10‐amines via [6+1] Annulation of Ynenitriles with Reformatsky Reagent. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100021] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Ryoya Iioka
- Department of Chemistry Faculty of Education Gifu University Yanagido 1–1 501-1193 Gifu Japan
| | - Kohei Yorozu
- Department of Chemistry Faculty of Education Gifu University Yanagido 1–1 501-1193 Gifu Japan
| | - Yoko Sakai
- Department of Chemistry Faculty of Education Gifu University Yanagido 1–1 501-1193 Gifu Japan
| | - Rika Kawai
- Department of Chemistry Faculty of Education Gifu University Yanagido 1–1 501-1193 Gifu Japan
| | - Noriyuki Hatae
- Faculty of Pharmaceutical Sciences Yokohama University of Pharmacy 601 Matano, Totsuka-ku 245-0066 Yokohama Kanagawa Japan
| | - Katsuki Takashima
- Faculty of Pharmacy Kinki University 3-4-1 Kowakae 577-8502 Higashi-osaka Osaka Japan
| | - Genzoh Tanabe
- Faculty of Pharmacy Kinki University 3-4-1 Kowakae 577-8502 Higashi-osaka Osaka Japan
| | - Hiroaki Wasada
- Department of Chemistry Faculty of Regional Study Gifu University Yanagido 1–1 501-1193 Gifu Japan
| | - Mitsuhiro Yoshimatsu
- Department of Chemistry Faculty of Education Gifu University Yanagido 1–1 501-1193 Gifu Japan
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13
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Strategic evolution in transition metal-catalyzed directed C–H bond activation and future directions. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213683] [Citation(s) in RCA: 93] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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14
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Lapuh MI, Mazeh S, Besset T. Chiral Transient Directing Groups in Transition-Metal-Catalyzed Enantioselective C–H Bond Functionalization. ACS Catal 2020. [DOI: 10.1021/acscatal.0c03317] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Maria I. Lapuh
- Normandie Univ, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000 Rouen, France
| | - Sara Mazeh
- Normandie Univ, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000 Rouen, France
| | - Tatiana Besset
- Normandie Univ, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000 Rouen, France
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15
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Bag D, Verma PK, Sawant SD. Chiral Transient Directing Group Strategies in Asymmetric Synthesis. Chem Asian J 2020; 15:3225-3238. [PMID: 32822121 DOI: 10.1002/asia.202000657] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 08/14/2020] [Indexed: 12/13/2022]
Abstract
The development of novel methodologies for catalytic enantioselective functionalization reactions enabled by chiral transient directing groups is accompanying in a paradigm shift in the field of asymmetric synthesis. In particular, these highly atom- and step-economic enantioinduction processes commonly proceed either via enantioselective C-H functionalization, or via enantioselective hydroarylation of the pro-chiral substrates generating point, axial or planar chirality. The use of the transient directing group strategy in C-H functionalizations precludes the stoichiometric installations and removal of directing groups and enables efficient, more compatible and economical chemical routes. This minireview highlights asymmetric transition-metal-catalyzed methodologies involving chiral transient directing groups together with the scope, utility and future perspective of the field.
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Affiliation(s)
- Debojyoti Bag
- Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Jammu Canal Road, Jammu, Jammu & Kashmir, 180001, India
| | - Praveen Kumar Verma
- Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Jammu Canal Road, Jammu, Jammu & Kashmir, 180001, India
| | - Sanghapal D Sawant
- Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Jammu Canal Road, Jammu, Jammu & Kashmir, 180001, India
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16
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Liao G, Zhang T, Lin Z, Shi B. Transition Metal‐Catalyzed Enantioselective C−H Functionalization via Chiral Transient Directing Group Strategies. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202008437] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Gang Liao
- Department of Chemistry Zhejiang University Hangzhou 310027 China
| | - Tao Zhang
- Department of Chemistry National University of Singapore 3 Science Drive 3 Singapore 117543 Singapore
| | - Zhi‐Keng Lin
- Department of Chemistry National University of Singapore 3 Science Drive 3 Singapore 117543 Singapore
| | - Bing‐Feng Shi
- Department of Chemistry Zhejiang University Hangzhou 310027 China
- College of Chemistry and Molecular Engineering Zhengzhou University Zhengzhou 450001 China
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17
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Liao G, Zhang T, Lin ZK, Shi BF. Transition Metal-Catalyzed Enantioselective C-H Functionalization via Chiral Transient Directing Group Strategies. Angew Chem Int Ed Engl 2020; 59:19773-19786. [PMID: 32687690 DOI: 10.1002/anie.202008437] [Citation(s) in RCA: 173] [Impact Index Per Article: 43.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Indexed: 12/31/2022]
Abstract
Transition metal-catalyzed enantioselective functionalization of C-H bond, the most abundant functionality in organic molecules, has emerged as an expedient synthetic approach to streamline the synthesis of complex chiral molecules. Despite significant progress, traditional directing group-enabled strategies require additional steps for the installation and removal of directing groups from the target molecule. The recently developed asymmetric C-H functionalization using chiral transient directing groups (cTDGs) offers a promising alternative that can circumvent this obstacle and therefore simplify the process. In this Minireview, we briefly discuss the advent and recent advances of this emerging concept, with an emphasis on discussing the creation of various stereogenic centers and the developments of cTDGs. Applications in natural product synthesis and ligand derivatizations are also discussed. We hope this Minireview will highlight the great potential of this strategy and help to inspire further endeavors.
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Affiliation(s)
- Gang Liao
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, China
| | - Tao Zhang
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Singapore
| | - Zhi-Keng Lin
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Singapore
| | - Bing-Feng Shi
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, China.,College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou, 450001, China
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18
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Oxtoby LJ, Li Z, Tran VT, Erbay TG, Deng R, Liu P, Engle KM. A Transient‐Directing‐Group Strategy Enables Enantioselective Reductive Heck Hydroarylation of Alkenes. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202001069] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Lucas J. Oxtoby
- Department of Chemistry The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - Zi‐Qi Li
- Department of Chemistry The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - Van T. Tran
- Department of Chemistry The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - Tuğçe G. Erbay
- Department of Chemistry University of Pittsburgh Pittsburgh PA 15260 USA
| | - Ruohan Deng
- Department of Chemistry The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - Peng Liu
- Department of Chemistry University of Pittsburgh Pittsburgh PA 15260 USA
| | - Keary M. Engle
- Department of Chemistry The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA
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19
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Oxtoby LJ, Li ZQ, Tran VT, Erbay TG, Deng R, Liu P, Engle KM. A Transient-Directing-Group Strategy Enables Enantioselective Reductive Heck Hydroarylation of Alkenes. Angew Chem Int Ed Engl 2020; 59:8885-8890. [PMID: 32196876 DOI: 10.1002/anie.202001069] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 03/20/2020] [Indexed: 01/28/2023]
Abstract
Metal-coordinating directing groups have seen extensive use in the field of transition-metal-catalyzed alkene functionalization; however, their waste-generating installation and removal steps limit the efficiency and practicality of reactions that rely on their use. Inspired by developments in asymmetric organocatalysis, where reactions rely on reversible covalent interactions between an organic substrate and a chiral mediator, we have developed a transient-directing-group approach to reductive Heck hydroarylation of alkenyl benzaldehyde substrates that proceeds under mild conditions. Highly stereoselective migratory insertion is facilitated by in situ formation of an imine from catalytic amounts of a commercially available amino acid additive. Computational studies reveal an unusual mode of enantioinduction by the remote chiral center in the transient directing group.
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Affiliation(s)
- Lucas J Oxtoby
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Zi-Qi Li
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Van T Tran
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Tuğçe G Erbay
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA, 15260, USA
| | - Ruohan Deng
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Peng Liu
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA, 15260, USA
| | - Keary M Engle
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA, 92037, USA
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20
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Chang MY, Lai KX, Chang YL. In(OTf)3-catalyzed intramolecular hydroarylation of α-phenylallyl β-ketosulfones – synthesis of sulfonyl 1-benzosuberones and 1-tetralones. RSC Adv 2020; 10:18231-18244. [PMID: 35517185 PMCID: PMC9053753 DOI: 10.1039/d0ra01962c] [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] [Received: 03/01/2020] [Accepted: 05/05/2020] [Indexed: 11/21/2022] Open
Abstract
In(OTf)3-catalyzed intramolecular hydroarylation of α-phenylallyl β-ketosulfones provides sulfonyl 1-benzosuberones and 1-tetralones in moderate to good yields in refluxing (CH2Cl)2 under open-vessel and easy-operation reaction conditions. A plausible mechanism is proposed and discussed. This highly regioselective protocol provides an atom-economic ring-closure route. In(OTf)3-catalyzed intramolecular hydroarylation of α-phenylallyl β-ketosulfones provides sulfonyl 1-benzosuberones and 1-tetralones in moderate to good yields in refluxing (CH2Cl)2 under open-vessel and easy-operation reaction conditions.![]()
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Affiliation(s)
- Meng-Yang Chang
- Department of Medicinal and Applied Chemistry
- Kaohsiung Medical University Hospital
- Kaohsiung Medical University
- Kaohsiung 80708
- Taiwan
| | - Kai-Xiang Lai
- Department of Medicinal and Applied Chemistry
- Kaohsiung Medical University Hospital
- Kaohsiung Medical University
- Kaohsiung 80708
- Taiwan
| | - Yu-Lun Chang
- Department of Medicinal and Applied Chemistry
- Kaohsiung Medical University Hospital
- Kaohsiung Medical University
- Kaohsiung 80708
- Taiwan
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21
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Niu B, Yang K, Lawrence B, Ge H. Transient Ligand-Enabled Transition Metal-Catalyzed C-H Functionalization. CHEMSUSCHEM 2019; 12:2955-2969. [PMID: 30958921 DOI: 10.1002/cssc.201900151] [Citation(s) in RCA: 84] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 04/03/2019] [Indexed: 05/20/2023]
Abstract
Transition metal-catalyzed C-H bond functionalization is among the most efficient and powerful strategies in synthetic organic chemistry to derivatize otherwise inert sites of organic molecules for the construction of C-C and C-heteroatom bonds. However, additional steps are often required to install the directing groups to realize selective C-H bond functionalization of the substrates. These tedious steps run counter to the step-economical nature of the C-H activation. In contrast, direct functionalization of the substrate by using transient ligands avoids the unnecessary steps for the pre-functionalization of the substrates. This Minireview provides a short overview of the major progress made in this field for C-H functionalization at sp2 and sp3 carbon centers with different transient working modes, including covalent, hydrogen, and ionic bonds.
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Affiliation(s)
- Ben Niu
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, 1 Gehu Road, Changzhou, Jiangsu, 213164, China
- Department of Chemistry and Chemical Biology, Indiana University Purdue University Indianapolis, Indianapolis, Indiana, 46202, USA
| | - Ke Yang
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, 1 Gehu Road, Changzhou, Jiangsu, 213164, China
- Department of Chemistry and Chemical Biology, Indiana University Purdue University Indianapolis, Indianapolis, Indiana, 46202, USA
| | - Brianna Lawrence
- Department of Chemistry and Chemical Biology, Indiana University Purdue University Indianapolis, Indianapolis, Indiana, 46202, USA
| | - Haibo Ge
- Department of Chemistry and Chemical Biology, Indiana University Purdue University Indianapolis, Indianapolis, Indiana, 46202, USA
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22
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Rej S, Chatani N. Rhodiumkatalysierte sp 2‐ und sp 3‐C‐H‐Funktionalisierungen mit entfernbaren dirigierenden Gruppen. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201808159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Supriya Rej
- Department of Applied ChemistryFaculty of EngineeringOsaka University, Suita Osaka 565-0871 Japan
| | - Naoto Chatani
- Department of Applied ChemistryFaculty of EngineeringOsaka University, Suita Osaka 565-0871 Japan
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23
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Rej S, Chatani N. Rhodium-Catalyzed C(sp 2 )- or C(sp 3 )-H Bond Functionalization Assisted by Removable Directing Groups. Angew Chem Int Ed Engl 2019; 58:8304-8329. [PMID: 30311719 DOI: 10.1002/anie.201808159] [Citation(s) in RCA: 263] [Impact Index Per Article: 52.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Revised: 10/12/2018] [Indexed: 12/25/2022]
Abstract
In recent years, transition-metal-catalyzed C-H activation has become a key strategy in the field of organic synthesis. Rhodium complexes are widely used as catalysts in a variety of C-H functionalization reactions because of their high reactivity and selectivity. The availability of a number of rhodium complexes in various oxidation states enables diverse reaction patterns to be obtained. Regioselectivity, an important issue in C-H activation chemistry, can be accomplished by using a directing group to assist the reaction. However, to obtain the target functionalized compounds, it is also necessary to use a directing group that can be easily removed. A wide range of directed C-H functionalization reactions catalyzed by rhodium complexes have been reported to date. In this Review, we discuss Rh-catalyzed C-H functionalization reactions that are aided by the use of a removable directing group such as phenol, amine, aldehyde, ketones, ester, acid, sulfonic acid, and N-heteroaromatic derivatives.
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Affiliation(s)
- Supriya Rej
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Naoto Chatani
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka, 565-0871, Japan
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24
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Li G, Jiang J, Xie H, Wang J. Introducing the Chiral Transient Directing Group Strategy to Rhodium(III)‐Catalyzed Asymmetric C−H Activation. Chemistry 2019; 25:4688-4694. [DOI: 10.1002/chem.201900762] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Indexed: 12/31/2022]
Affiliation(s)
- Guozhu Li
- Key Laboratory of Bioinorganic and Synthetic Chemistry, of Ministry of EducationSchool of ChemistrySun Yat-Sen University Guangzhou 510275 P.R. China
| | - Jijun Jiang
- Key Laboratory of Bioinorganic and Synthetic Chemistry, of Ministry of EducationSchool of ChemistrySun Yat-Sen University Guangzhou 510275 P.R. China
| | - Hui Xie
- Key Laboratory of Bioinorganic and Synthetic Chemistry, of Ministry of EducationSchool of ChemistrySun Yat-Sen University Guangzhou 510275 P.R. China
| | - Jun Wang
- Key Laboratory of Bioinorganic and Synthetic Chemistry, of Ministry of EducationSchool of ChemistrySun Yat-Sen University Guangzhou 510275 P.R. China
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25
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Chen Z, Aota Y, Nguyen HMH, Dong VM. Dynamic Kinetic Resolution of Aldehydes by Hydroacylation. Angew Chem Int Ed Engl 2019; 58:4705-4709. [PMID: 30740841 DOI: 10.1002/anie.201900545] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Indexed: 12/26/2022]
Abstract
We report a dynamic kinetic resolution (DKR) of chiral 4-pentenals by olefin hydroacylation. A primary amine racemizes the aldehyde substrate via enamine formation and hydrolysis. Then, a cationic rhodium catalyst promotes hydroacylation to generate α,γ-disubstituted cyclopentanones with high enantio- and diastereoselectivities.
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Affiliation(s)
- Zhiwei Chen
- Department of Chemistry, University of California, Irvine, Irvine, CA, 92697, USA
| | - Yusuke Aota
- Department of Chemistry, University of California, Irvine, Irvine, CA, 92697, USA.,Department of Chemistry, Graduate School of Sciences, Kyoto University, Sakyo, Kyoto, 606-8502, Japan
| | - Hillary M H Nguyen
- Department of Chemistry, University of California, Irvine, Irvine, CA, 92697, USA
| | - Vy M Dong
- Department of Chemistry, University of California, Irvine, Irvine, CA, 92697, USA
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26
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Chen Z, Aota Y, Nguyen HMH, Dong VM. Dynamic Kinetic Resolution of Aldehydes by Hydroacylation. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201900545] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Zhiwei Chen
- Department of Chemistry University of California, Irvine Irvine CA 92697 USA
| | - Yusuke Aota
- Department of Chemistry University of California, Irvine Irvine CA 92697 USA
- Department of Chemistry Graduate School of Sciences Kyoto University Sakyo Kyoto 606-8502 Japan
| | | | - Vy M. Dong
- Department of Chemistry University of California, Irvine Irvine CA 92697 USA
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27
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Payili N, Rekula SR, Aitha A, Mutha VVSRNAK, Gangu Naidu C, Yennam S. Synthesis of dibenzo[a,d]cycloheptanoids via aryne insertion into 2-arylidene-1,3-indandiones. Org Biomol Chem 2019; 17:9442-9446. [DOI: 10.1039/c9ob01900f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A cascade synthetic strategy for the direct synthesis of dibenzo[a,d]cycloheptanoids and dibenz[a,c]anthracene-9,14-dione derivatives from aryne precursors has been developed.
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Affiliation(s)
- Nagaraju Payili
- Chemistry Services
- GVK Biosciences Pvt. Ltd
- Hyderabad 500076
- India
- Vignan's Foundation for Science
| | | | - Anjaiah Aitha
- Chemistry Services
- GVK Biosciences Pvt. Ltd
- Hyderabad 500076
- India
| | | | - Challa Gangu Naidu
- Vignan's Foundation for Science
- Technology and Research (Deemed to be University) (VFSTRU)
- Guntur 522213
- India
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28
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Chang MY, Hsiao YT, Lai KH. mCPBA-Mediated Intramolecular Oxidative Annulation of ortho-Crotyl or Cinnamyl Arylaldehydes: Synthesis of Benzofused Five-, Six-, and Seven-Membered Oxacycles. J Org Chem 2018; 83:14110-14119. [PMID: 30351146 DOI: 10.1021/acs.joc.8b02146] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
mCPBA-mediated intramolecular oxidative annulation of ortho-crotyl or cinnamyl arylaldehydes provides chroman, coumaran, isochroman, and tetrahydrobenzo[ c]oxepine under different reaction conditions. This research investigates the reaction conditions for facile and efficient transformation.
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Affiliation(s)
- Meng-Yang Chang
- Department of Medicinal and Applied Chemistry , Kaohsiung Medical University , Kaohsiung 807 , Taiwan.,Department of Medical Research , Kaohsiung Medical University Hospital , Kaohsiung 807 , Taiwan
| | - Yu-Ting Hsiao
- Department of Medicinal and Applied Chemistry , Kaohsiung Medical University , Kaohsiung 807 , Taiwan
| | - Kai-Hsiang Lai
- Department of Medicinal and Applied Chemistry , Kaohsiung Medical University , Kaohsiung 807 , Taiwan
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29
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Gandeepan P, Ackermann L. Transient Directing Groups for Transformative C–H Activation by Synergistic Metal Catalysis. Chem 2018. [DOI: 10.1016/j.chempr.2017.11.002] [Citation(s) in RCA: 335] [Impact Index Per Article: 55.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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30
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Bhattacharya T, Pimparkar S, Maiti D. Combining transition metals and transient directing groups for C–H functionalizations. RSC Adv 2018; 8:19456-19464. [PMID: 35541005 PMCID: PMC9080754 DOI: 10.1039/c8ra03230k] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2018] [Accepted: 05/14/2018] [Indexed: 02/02/2023] Open
Abstract
In the domain of synthetic chemistry, C–H bond activation has always remained in the spotlight for researchers over the last few decades. Although different strategies have been employed to chemically trigger unactivated C–H bonds, transition metal catalyzed directing group (DG) aided C–H bond activation is the most explored pathway of all because of its ability to perform diverse site selective functional metamorphosis. Despite its popularity, tedious synthetic methodology requiring additional steps for the installation and removal of DGs from the target substrate diminishes its efficacy. However, replacement of directing groups by transient directing groups (tDGs) reduces the hurdle to a greater extent without compromising the product yield and selectivity. In this report we have depicted the intense journey of transient directing groups with three (Rh, Ru, and Pd) prevalent second row transition metals. This review is about the momentous evolution of transient directing group assisted C–H functionalizations promoted by three major second row transition metals.![]()
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Affiliation(s)
| | - Sandeep Pimparkar
- Department of Chemistry
- IIT Bombay
- Mumbai-400076
- India
- IITB-Monash Research Academy
| | - Debabrata Maiti
- Department of Chemistry
- IIT Bombay
- Mumbai-400076
- India
- IITB-Monash Research Academy
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31
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St John-Campbell S, Bull JA. Transient imines as ‘next generation’ directing groups for the catalytic functionalisation of C–H bonds in a single operation. Org Biomol Chem 2018; 16:4582-4595. [DOI: 10.1039/c8ob00926k] [Citation(s) in RCA: 101] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
This review describes recent developments in the use of catalytic transient directing groups, through imine linkages, which in combination with transition metal catalysts provide streamlined C–H functionalisation processes.
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Affiliation(s)
| | - James A. Bull
- Department of Chemistry
- Imperial College London
- South Kensington
- London
- UK
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32
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Affiliation(s)
- Kolluru Srinivas
- Division of Organic Chemistry, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India
| | - Chepuri V. Ramana
- Division of Organic Chemistry, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India
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33
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34
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Jacolot M, Moebs-Sanchez S, Popowycz F. Enantioselective rhodium-catalyzed hydroacylation to access the four stereoisomers of anti-rodent difenacoum. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.03.034] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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35
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Affiliation(s)
- Yan Qin
- Key
Laboratory for Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lihui Zhu
- Key
Laboratory for Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Sanzhong Luo
- Key
Laboratory for Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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36
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Yang J, Rérat A, Lim YJ, Gosmini C, Yoshikai N. Cobalt-Catalyzed Enantio- and Diastereoselective Intramolecular Hydroacylation of Trisubstituted Alkenes. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201611518] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Junfeng Yang
- Division of Chemistry and Biological Chemistry; School of Physical and Mathematical Sciences; Nanyang Technological University; Singapore 637371 Singapore
| | - Alice Rérat
- Division of Chemistry and Biological Chemistry; School of Physical and Mathematical Sciences; Nanyang Technological University; Singapore 637371 Singapore
- Laboratoire de Chimie Moléculaire; CNRS; Ecole Polytechnique; Université Paris Saclay; 91128 Palaiseau France
| | - Yang Jie Lim
- Division of Chemistry and Biological Chemistry; School of Physical and Mathematical Sciences; Nanyang Technological University; Singapore 637371 Singapore
| | - Corinne Gosmini
- Laboratoire de Chimie Moléculaire; CNRS; Ecole Polytechnique; Université Paris Saclay; 91128 Palaiseau France
| | - Naohiko Yoshikai
- Division of Chemistry and Biological Chemistry; School of Physical and Mathematical Sciences; Nanyang Technological University; Singapore 637371 Singapore
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37
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Yang J, Rérat A, Lim YJ, Gosmini C, Yoshikai N. Cobalt-Catalyzed Enantio- and Diastereoselective Intramolecular Hydroacylation of Trisubstituted Alkenes. Angew Chem Int Ed Engl 2017; 56:2449-2453. [DOI: 10.1002/anie.201611518] [Citation(s) in RCA: 77] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2016] [Revised: 12/22/2016] [Indexed: 11/07/2022]
Affiliation(s)
- Junfeng Yang
- Division of Chemistry and Biological Chemistry; School of Physical and Mathematical Sciences; Nanyang Technological University; Singapore 637371 Singapore
| | - Alice Rérat
- Division of Chemistry and Biological Chemistry; School of Physical and Mathematical Sciences; Nanyang Technological University; Singapore 637371 Singapore
- Laboratoire de Chimie Moléculaire; CNRS; Ecole Polytechnique; Université Paris Saclay; 91128 Palaiseau France
| | - Yang Jie Lim
- Division of Chemistry and Biological Chemistry; School of Physical and Mathematical Sciences; Nanyang Technological University; Singapore 637371 Singapore
| | - Corinne Gosmini
- Laboratoire de Chimie Moléculaire; CNRS; Ecole Polytechnique; Université Paris Saclay; 91128 Palaiseau France
| | - Naohiko Yoshikai
- Division of Chemistry and Biological Chemistry; School of Physical and Mathematical Sciences; Nanyang Technological University; Singapore 637371 Singapore
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38
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Roy S, Paul B, Mukherjee A, Kundu B, Talukdar A. Copper-catalyzed selective C–N bond formation with 2-amino, 2-hydroxy and 2-bromo-5-halopyridine. RSC Adv 2017. [DOI: 10.1039/c7ra08482j] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Copper catalyzed 1,2-diol promoted amination at electron-rich C-5 position of unprotected 2-amino/2-hydroxy-5-halopyridine and selective amination at C-5 in 2-bromo-5-iodopyridine provided excellent yields.
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Affiliation(s)
- Swarnali Roy
- Department of Organic and Medicinal Chemistry
- CSIR-Indian Institute of Chemical Biology
- Kolkata 700032
- India
| | - Barnali Paul
- Department of Organic and Medicinal Chemistry
- CSIR-Indian Institute of Chemical Biology
- Kolkata 700032
- India
- Academy of Scientific and Innovative Research
| | - Ayan Mukherjee
- Department of Organic and Medicinal Chemistry
- CSIR-Indian Institute of Chemical Biology
- Kolkata 700032
- India
- Academy of Scientific and Innovative Research
| | - Biswajit Kundu
- Department of Organic and Medicinal Chemistry
- CSIR-Indian Institute of Chemical Biology
- Kolkata 700032
- India
| | - Arindam Talukdar
- Department of Organic and Medicinal Chemistry
- CSIR-Indian Institute of Chemical Biology
- Kolkata 700032
- India
- Academy of Scientific and Innovative Research
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39
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Rastelli EJ, Truong NT, Coltart DM. Asymmetric Induction in Hydroacylation by Cooperative Iminium Ion–Transition-Metal Catalysis. Org Lett 2016; 18:5588-5591. [DOI: 10.1021/acs.orglett.6b02825] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ettore J. Rastelli
- Department
of Chemistry, University of Houston, Houston, Texas 77204-5003, United States
| | - Ngoc T. Truong
- Department
of Chemistry, University of Houston, Houston, Texas 77204-5003, United States
| | - Don M. Coltart
- Department
of Chemistry, University of Houston, Houston, Texas 77204-5003, United States
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40
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Afewerki S, Córdova A. Combinations of Aminocatalysts and Metal Catalysts: A Powerful Cooperative Approach in Selective Organic Synthesis. Chem Rev 2016; 116:13512-13570. [PMID: 27723291 DOI: 10.1021/acs.chemrev.6b00226] [Citation(s) in RCA: 322] [Impact Index Per Article: 40.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The cooperation and interplay between organic and metal catalyst systems is of utmost importance in nature and chemical synthesis. Here innovative and selective cooperative catalyst systems can be designed by combining two catalysts that complement rather than inhibit one another. This refined strategy can permit chemical transformations unmanageable by either of the catalysts alone. This review summarizes innovations and developments in selective organic synthesis that have used cooperative dual catalysis by combining simple aminocatalysts with metal catalysts. Considerable efforts have been devoted to this fruitful field. This emerging area employs the different activation modes of amine and metal catalysts as a platform to address challenging reactions. Here, aminocatalysis (e.g., enamine activation catalysis, iminium activation catalysis, single occupied molecular orbital (SOMO) activation catalysis, and photoredox activation catalysis) is employed to activate unreactive carbonyl substrates. The transition metal catalyst complements by activating a variety of substrates through a range of interactions (e.g., electrophilic π-allyl complex formation, Lewis acid activation, allenylidene complex formation, photoredox activation, C-H activation, etc.), and thereby novel concepts within catalysis are created. The inclusion of heterogeneous catalysis strategies allows for "green" chemistry development, catalyst recyclability, and the more eco-friendly synthesis of valuable compounds.
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Affiliation(s)
- Samson Afewerki
- Department of Natural Sciences, Mid Sweden University , SE-851 70 Sundsvall, Sweden.,Berzelii Center EXSELENT, The Arrhenius Laboratory, Stockholm University , SE-106 91 Stockholm, Sweden
| | - Armando Córdova
- Department of Natural Sciences, Mid Sweden University , SE-851 70 Sundsvall, Sweden.,Berzelii Center EXSELENT, The Arrhenius Laboratory, Stockholm University , SE-106 91 Stockholm, Sweden
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41
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Johnson KF, Schneider EA, Schumacher BP, Ellern A, Scanlon JD, Stanley LM. Rhodium-Catalyzed Enantioselective Intramolecular Hydroacylation of Trisubstituted Alkenes. Chemistry 2016; 22:15619-15623. [DOI: 10.1002/chem.201603880] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2016] [Indexed: 01/26/2023]
Affiliation(s)
| | | | - Brian P. Schumacher
- Department of Chemistry; Ripon College; Ripon WI 54971 USA
- Department of Chemistry; Iowa State University; Ames IA 50010 USA
| | - Arkady Ellern
- Department of Chemistry; Iowa State University; Ames IA 50010 USA
| | | | - Levi M. Stanley
- Department of Chemistry; Iowa State University; Ames IA 50010 USA
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42
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Han B, Zhang X, Feng ZM, Jiang JS, Li L, Yang YN, Zhang PC. Ligubenzocycloheptanone A, a Novel Tricyclic Butenolide with a 6/7/5 Skeleton from Ligusticum chuanxiong. Sci Rep 2016; 6:28783. [PMID: 27461841 PMCID: PMC4962078 DOI: 10.1038/srep28783] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2016] [Accepted: 06/08/2016] [Indexed: 11/09/2022] Open
Abstract
Ligubenzocycloheptanone A (1), a novel tricyclic butenolide with a 6/7/5-membered ring skeleton, was isolated from the rhizome of Ligusticum chuanxiong. Its unusual structure was determined using UV, IR, HRESIMS, 1D and 2D NMR data, X-ray diffraction crystallography and by the comparison of experimental and calculated electronic circular dichroism (ECD) spectra. 1 possessed a benzocycloheptanone core featuring butyrolactone, which is rarely observed in nature. A possible biosynthetic pathway was proposed. Ligubenzocycloheptanone A showed strong radical scavenging activity with an IC50 value of 2.3 μM.
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Affiliation(s)
- Bing Han
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, P. R. China
| | - Xu Zhang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, P. R. China
| | - Zi-Ming Feng
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, P. R. China
| | - Jian-Shuang Jiang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, P. R. China
| | - Li Li
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, P. R. China
| | - Ya-Nan Yang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, P. R. China
| | - Pei-Cheng Zhang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, P. R. China
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43
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Samineni R, Srihari P, Mehta G. Versatile Route to Benzoannulated Medium-Ring Carbocycles via Aryne Insertion into Cyclic 1,3-Diketones: Application to a Synthesis of Radermachol. Org Lett 2016; 18:2832-5. [DOI: 10.1021/acs.orglett.6b01078] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Ramesh Samineni
- School
of Chemistry, University of Hyderabad, Hyderabad 500 046, India
- Division
of Natural Products Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India
| | - Pabbaraja Srihari
- Division
of Natural Products Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India
| | - Goverdhan Mehta
- School
of Chemistry, University of Hyderabad, Hyderabad 500 046, India
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44
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Rao B, Tang J, Wei Y, Zeng X. Ring Expansion via Cleavage of Benzylic C−C Bonds Enabling Direct Synthesis of Medium Ring-Fused Benzocarbocycles. Chem Asian J 2016; 11:991-5. [DOI: 10.1002/asia.201600065] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2016] [Indexed: 01/31/2023]
Affiliation(s)
- Bin Rao
- Center for Organic Chemistry; Frontier Institute of Science and Technology; Xi'an Jiaotong University; Xi'an Shaanxi 710054 P. R. China
| | - Jinghua Tang
- Center for Organic Chemistry; Frontier Institute of Science and Technology; Xi'an Jiaotong University; Xi'an Shaanxi 710054 P. R. China
| | - Yu Wei
- Center for Organic Chemistry; Frontier Institute of Science and Technology; Xi'an Jiaotong University; Xi'an Shaanxi 710054 P. R. China
| | - Xiaoming Zeng
- Center for Organic Chemistry; Frontier Institute of Science and Technology; Xi'an Jiaotong University; Xi'an Shaanxi 710054 P. R. China
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45
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Farghaly TA, Gomha SM, Dawood KM, Shaaban MR. Synthetic routes to benzosuberone-based fused- and spiro-heterocyclic ring systems. RSC Adv 2016. [DOI: 10.1039/c5ra26474j] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Benzosuberones are an important class of medicinal and pharmaceutical compounds and have recently attracted considerable attention. The present review highlights the progress in the synthesis of benzosuberones and their fused and spiro ring systems up to 2015.
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Affiliation(s)
| | - Sobhi M. Gomha
- Department of Chemistry
- Faculty of Science
- Cairo University
- Giza
- Egypt
| | - Kamal M. Dawood
- Department of Chemistry
- Faculty of Science
- Cairo University
- Giza
- Egypt
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46
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Walker JA, Stanley LM. N-Heterocyclic carbene-catalysed intramolecular hydroacylation to form basic nitrogen-containing heterocycles. Org Biomol Chem 2016; 14:9981-9984. [DOI: 10.1039/c6ob01956k] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
N-Heterocyclic carbene-catalysed intramolecular hydroacylation of N-allylimidazole-2-carboxaldehydes and N-allylbenzimidazole-2-carboxaldehydes is reported. These exo-selective hydroacylations of unactivated alkenes enable the synthesis of a variety of basic, polycyclic nitrogen heterocycles in good-to-excellent yields.
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47
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Oonishi Y, Hato Y, Sato Y. Rhodium(I)-Catalyzed [2+2+2] Cycloaddition between Allene, Alkyne, and Imineviaa Strained Azarhodacycle Intermediate. Adv Synth Catal 2015. [DOI: 10.1002/adsc.201500417] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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48
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Johnson KF, Schmidt AC, Stanley LM. Rhodium-Catalyzed, Enantioselective Hydroacylation of ortho-Allylbenzaldehydes. Org Lett 2015; 17:4654-7. [DOI: 10.1021/acs.orglett.5b02559] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Kirsten F. Johnson
- Department
of Chemistry, Iowa State University, Ames, Iowa 50011, United States
| | - Adam C. Schmidt
- Department
of Chemistry, Iowa State University, Ames, Iowa 50011, United States
| | - Levi M. Stanley
- Department
of Chemistry, Iowa State University, Ames, Iowa 50011, United States
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49
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Jiang X, Pan Z, Douglas CJ. Cyclization of an alkene-bearing cyclopentanone: The role of rhodium and Brønsted acid. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.07.086] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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50
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Murphy SK, Dong VM. Enantioselective hydroacylation of olefins with rhodium catalysts. Chem Commun (Camb) 2015; 50:13645-9. [PMID: 25277153 DOI: 10.1039/c4cc02276a] [Citation(s) in RCA: 100] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Over thirty years ago, James and Young reported the first enantioselective olefin hydroacylation by using rhodium catalysts. This viewpoint highlights the advances in this area, including 4-pentenal cyclisations, medium-ring syntheses, and intermolecular variants.
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Affiliation(s)
- Stephen K Murphy
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
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