1
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Khan S, Zhang J, Khan A. Molybdenum-Catalyzed Regio- and Enantioselective Amination of Allylic Carbonates: Total Synthesis of ( S)-Clopidogrel. Org Lett 2024; 26:2758-2762. [PMID: 37515783 DOI: 10.1021/acs.orglett.3c01641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/31/2023]
Abstract
The first molybdenum-catalyzed highly regio- and enantioselective allylic amination of both aryl- and alkyl-substituted branched allylic carbonates has been developed. A wide variety of amines, including drugs and complex bioactive molecules, underwent successful amination with excellent reaction outcomes (up to 96% yield, >99% ee, and >20:1 b/l). The reaction could be scaled up and has been applied to the total synthesis of chiral drug molecule (S)-clopidogrel (Plavix).
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Affiliation(s)
- Shahid Khan
- Department of Chemistry, School of Chemistry, and Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, Xi'an Jiao Tong University, Xi'an, Shaanxi 710049, P. R. China
| | - Junjie Zhang
- Department of Chemistry, School of Chemistry, and Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, Xi'an Jiao Tong University, Xi'an, Shaanxi 710049, P. R. China
| | - Ajmal Khan
- Department of Chemistry, School of Chemistry, and Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, Xi'an Jiao Tong University, Xi'an, Shaanxi 710049, P. R. China
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2
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Pan B, Qian X, Zhang Y, Jiang L, Cao R, Qiu L. Iridium-Catalyzed Intramolecular Asymmetric Allylic Etherification of Pyrimidinemethanols: Enantioselective Construction of Multifunctionalized Pyrimidine-Fused Oxazepines. Org Lett 2023. [PMID: 37450016 DOI: 10.1021/acs.orglett.3c01962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/18/2023]
Abstract
An iridium-catalyzed intramolecular asymmetric allylic etherification of pyrimidinemethanols is described. In the presence of chiral-bridged biphenyl phosphoramidite ligand L3 and triethylborane, this process provided a class of novel pyrimidine-fused oxazepanes in up to 99% yield with 99.5% enantiomeric excess. The work addresses the challenge of insufficient nucleophilicity of aliphatic alcohols for allyl substitution and indicates the vital value of chiral-bridged biphenyl phosphoramidites. Various multifunctionalized transformations of the products further demonstrate the robust synthetic utility of this methodology.
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Affiliation(s)
- Bendu Pan
- School of Chemistry, IGCME, Guangdong Key Lab of Chiral Molecules and Drug Discovery, Sun Yat-sen University, Guangzhou 510006, China
| | - Xu Qian
- School of Chemistry, IGCME, Guangdong Key Lab of Chiral Molecules and Drug Discovery, Sun Yat-sen University, Guangzhou 510006, China
| | - Yaqi Zhang
- School of Chemistry, IGCME, Guangdong Key Lab of Chiral Molecules and Drug Discovery, Sun Yat-sen University, Guangzhou 510006, China
| | - Long Jiang
- Instrumental Analysis and Research Centre, Sun Yat-sen University, Guangzhou 510275, China
| | - Rihui Cao
- School of Chemistry, IGCME, Guangdong Key Lab of Chiral Molecules and Drug Discovery, Sun Yat-sen University, Guangzhou 510006, China
| | - Liqin Qiu
- School of Chemistry, IGCME, Guangdong Key Lab of Chiral Molecules and Drug Discovery, Sun Yat-sen University, Guangzhou 510006, China
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3
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Albat D, Köcher A, Witt J, Schmalz HG. On the Asymmetric Ir‐catalyzed N‐Allylation of Amino Acid Esters: Improved Selectivities through Structural Variation of the Chiral Phosphoramidite Ligand. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200188] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Dominik Albat
- University of Cologne: Universitat zu Koln Department of Chemistry Koeln GERMANY
| | - Alicia Köcher
- University of Cologne: Universitat zu Koln Department of Chemistry Koel GERMANY
| | - Julia Witt
- University of Cologne: Universitat zu Koln Department of Chemistry Koeln GERMANY
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4
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Nie YH, Komatsuda M, Yang P, Zheng C, Yamaguchi J, You SL. Pd-Catalyzed Asymmetric Dearomative Arylation of Indoles via a Desymmetrization Strategy. Org Lett 2022; 24:1481-1485. [DOI: 10.1021/acs.orglett.2c00129] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Yu-Han Nie
- Chang-Kung Chuang Institute, East China Normal University, Shanghai 200062, China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Masaaki Komatsuda
- Department of Applied Chemistry, Waseda University, 513 Wasedatsurumakicho, Shinjuku, Tokyo 162-0041, Japan
| | - Ping Yang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Chao Zheng
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Junichiro Yamaguchi
- Department of Applied Chemistry, Waseda University, 513 Wasedatsurumakicho, Shinjuku, Tokyo 162-0041, Japan
| | - Shu-Li You
- Chang-Kung Chuang Institute, East China Normal University, Shanghai 200062, China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
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5
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Saranya PV, Neetha M, Philip RM, Anilkumar G. Recent advances and prospects in the cobalt-catalyzed amination reactions. Tetrahedron 2022. [DOI: 10.1016/j.tet.2021.132582] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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6
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Biya E, Neetha M, Anilkumar G. An Overview of Iridium‐Catalyzed Allylic Amination Reactions. ChemistrySelect 2021. [DOI: 10.1002/slct.202102370] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Elsa Biya
- School of Chemical Sciences Mahatma Gandhi University Priyadarsini Hills P O Kottayam Kerala INDIA 686560Fax: +91-481-2731036
| | - Mohan Neetha
- School of Chemical Sciences Mahatma Gandhi University Priyadarsini Hills P O Kottayam Kerala INDIA 686560Fax: +91-481-2731036
| | - Gopinathan Anilkumar
- School of Chemical Sciences Mahatma Gandhi University Priyadarsini Hills P O Kottayam Kerala INDIA 686560Fax: +91-481-2731036
- Advanced Molecular Materials Research Centre (AMMRC) Mahatma Gandhi University Priyadarsini Hills P O Kottayam Kerala INDIA 686560
- Institute for Integrated programmes and Research in Basic Sciences (IIRBS) Mahatma Gandhi University Priyadarsini Hills P O Kottayam Kerala INDIA 686560
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7
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Arachchi MK, Nguyen HM. Iridium‐Catalyzed Enantioselective Allylic Substitutions of Racemic, Branched Trichloroacetimidates with Heteroatom Nucleophiles: Formation of Allylic C−O, C−N, and C−S Bonds. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100575] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Madhawee K. Arachchi
- Department of Chemistry Wayne State University Detroit Michigan 48202 United States
| | - Hien M. Nguyen
- Department of Chemistry Wayne State University Detroit Michigan 48202 United States
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8
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Jiang X, Pan B, Qian X, Liang H, Zhang Y, Chen B, He X, Chan HS, Chan ASC, Qiu L. Enantioselective Construction of Pyrimidine‐Fused Diazepinone Derivatives Bearing a Tertiary Stereogenic Center Enabled by Iridium‐Catalysed Intramolecular Allylic Substitution. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100444] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Xiaoding Jiang
- School of Chemistry, Guangdong Key Lab of Chiral Molecules and Drug Discovery Sun Yat-Sen University Guangzhou 510275 People's Republic of China
| | - Bendu Pan
- School of Chemistry, Guangdong Key Lab of Chiral Molecules and Drug Discovery Sun Yat-Sen University Guangzhou 510275 People's Republic of China
| | - Xu Qian
- School of Chemistry, Guangdong Key Lab of Chiral Molecules and Drug Discovery Sun Yat-Sen University Guangzhou 510275 People's Republic of China
| | - Hao Liang
- School of Chemistry, Guangdong Key Lab of Chiral Molecules and Drug Discovery Sun Yat-Sen University Guangzhou 510275 People's Republic of China
| | - Yaqi Zhang
- School of Chemistry, Guangdong Key Lab of Chiral Molecules and Drug Discovery Sun Yat-Sen University Guangzhou 510275 People's Republic of China
| | - Bin Chen
- School of Chemistry, Guangdong Key Lab of Chiral Molecules and Drug Discovery Sun Yat-Sen University Guangzhou 510275 People's Republic of China
| | - Xiaobo He
- School of Chemistry, Guangdong Key Lab of Chiral Molecules and Drug Discovery Sun Yat-Sen University Guangzhou 510275 People's Republic of China
| | - Hoi Shan Chan
- Department of Chemistry The Chinese University of Hong Kong Hong Kong People's Republic of China
| | - Albert S. C. Chan
- School of Chemistry, Guangdong Key Lab of Chiral Molecules and Drug Discovery Sun Yat-Sen University Guangzhou 510275 People's Republic of China
| | - Liqin Qiu
- School of Chemistry, Guangdong Key Lab of Chiral Molecules and Drug Discovery Sun Yat-Sen University Guangzhou 510275 People's Republic of China
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9
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Pan B, Ouyang JS, Zhang Y, Liang H, Ni Q, Chen B, Pu X, Jiang L, Cao R, Qiu L. Iridium-catalyzed intramolecular asymmetric allylic etherification of salicylic acid derivatives with chiral-bridged biphenyl phosphoramidite ligands. Org Chem Front 2021. [DOI: 10.1039/d1qo00566a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Iridium-catalyzed intramolecular asymmetric allylic etherification of salicylic acid derivatives was successfully realized for the first time.
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10
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Sun XS, Wang XH, Tao HY, Wei L, Wang CJ. Catalytic asymmetric synthesis of quaternary trifluoromethyl α- to ε-amino acid derivatives via umpolung allylation/2-aza-Cope rearrangement. Chem Sci 2020; 11:10984-10990. [PMID: 34094346 PMCID: PMC8162408 DOI: 10.1039/d0sc04685j] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 09/17/2020] [Indexed: 11/21/2022] Open
Abstract
In this study, we developed an efficient Ir-catalyzed cascade umpolung allylation/2-aza-Cope rearrangement of tertiary α-trifluoromethyl α-amino acid derivatives for the preparation of a variety of quaternary α-trifluoromethyl α-amino acids in high yields with excellent enantioselectivities. The umpolung reactivity empowered by the activation of the key isatin-ketoimine moiety obviates the intractable enantioselectivity control in Pd-catalyzed asymmetric linear α-allylation. In combination with quasi parallel kinetic resolution or kinetic resolution, the generality of this method is further demonstrated by the first preparation of enantioenriched quaternary trifluoromethyl β-, γ-, δ- and ε-amino acid derivatives.
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Affiliation(s)
- Xi-Shang Sun
- Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences, Wuhan University Wuhan 430072 China
| | - Xing-Heng Wang
- Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences, Wuhan University Wuhan 430072 China
| | - Hai-Yan Tao
- Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences, Wuhan University Wuhan 430072 China
| | - Liang Wei
- Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences, Wuhan University Wuhan 430072 China
| | - Chun-Jiang Wang
- Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences, Wuhan University Wuhan 430072 China
- State Key Laboratory of Elemento-organic Chemistry, Nankai University Tianjin 300071 China
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11
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Kim SW, Schempp TT, Zbieg JR, Stivala CE, Krische MJ. Regio- and Enantioselective Iridium-Catalyzed N-Allylation of Indoles and Related Azoles with Racemic Branched Alkyl-Substituted Allylic Acetates. Angew Chem Int Ed Engl 2019; 58:7762-7766. [PMID: 30964961 DOI: 10.1002/anie.201902799] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Indexed: 12/16/2022]
Abstract
Cyclometallated π-allyliridium C,O-benzoates modified with (S)-tol-BINAP, which are stable to air, water, and SiO2 , catalyze highly enantioselective N-allylations of indoles and related azoles. This reaction complements previously reported metal-catalyzed indole allylations in that complete levels of N versus C3 and branched versus linear regioselectivity are observed.
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Affiliation(s)
- Seung Wook Kim
- University of Texas at Austin, Department of Chemistry, 105 E 24th St. (A5300), Austin, TX, 78712-1167, USA
| | - Tabitha T Schempp
- University of Texas at Austin, Department of Chemistry, 105 E 24th St. (A5300), Austin, TX, 78712-1167, USA
| | - Jason R Zbieg
- Discovery Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Craig E Stivala
- Discovery Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Michael J Krische
- University of Texas at Austin, Department of Chemistry, 105 E 24th St. (A5300), Austin, TX, 78712-1167, USA
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12
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Kim SW, Schempp TT, Zbieg JR, Stivala CE, Krische MJ. Regio‐ and Enantioselective Iridium‐Catalyzed N‐Allylation of Indoles and Related Azoles with Racemic Branched Alkyl‐Substituted Allylic Acetates. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201902799] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Seung Wook Kim
- University of Texas at AustinDepartment of Chemistry 105 E 24th St. (A5300) Austin TX 78712-1167 USA
| | - Tabitha T. Schempp
- University of Texas at AustinDepartment of Chemistry 105 E 24th St. (A5300) Austin TX 78712-1167 USA
| | - Jason R. Zbieg
- Discovery ChemistryGenentech, Inc. 1 DNA Way South San Francisco CA 94080 USA
| | - Craig E. Stivala
- Discovery ChemistryGenentech, Inc. 1 DNA Way South San Francisco CA 94080 USA
| | - Michael J. Krische
- University of Texas at AustinDepartment of Chemistry 105 E 24th St. (A5300) Austin TX 78712-1167 USA
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13
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Jiang X, Chen X, Li Y, Liang H, Zhang Y, He X, Chen B, Kwok Chan WT, Chan ASC, Qiu L. Enantioselective Syntheses of Tricyclic Benzimidazoles via Intramolecular Allylic Aminations with Chiral-Bridged Biphenyl Phosphoramidite Ligands. Org Lett 2019; 21:608-613. [PMID: 30645135 DOI: 10.1021/acs.orglett.8b03640] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The first iridium-catalyzed enantioselective intramolecular allylic aminations of benzimidazole-tethered allylic carbonates were developed, providing three classes of tricyclic benzimidazoles bearing a tertiary carbon stereogenic center in high yields and excellent enantioselectivities (up to 99% yield, 99% ee). Wide substrate scope, excellent catalytic efficiency and mild conditions rendered this protocol particularly superior and practical. Impressively, the chiral bridge with a tunable structure was shown to provide a very good adjustment space for the chiral environment. The excellent catalytic performance of the ligands manifested their advantages over the bisphenol-based and BINOL-derived counterparts in these transformations. It also highlighted the potential application value of the chiral-bridged ligands.
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Affiliation(s)
- Xiaoding Jiang
- School of Chemistry, The Key Laboratory of Low-Carbon Chemistry & Energy Conservation of Guangdong Province , Sun Yat-Sen University , Guangzhou 510275 , People's Republic of China
| | - Xiangmeng Chen
- School of Chemistry, The Key Laboratory of Low-Carbon Chemistry & Energy Conservation of Guangdong Province , Sun Yat-Sen University , Guangzhou 510275 , People's Republic of China
| | - Yongsu Li
- School of Chemistry, The Key Laboratory of Low-Carbon Chemistry & Energy Conservation of Guangdong Province , Sun Yat-Sen University , Guangzhou 510275 , People's Republic of China
| | - Hao Liang
- School of Chemistry, The Key Laboratory of Low-Carbon Chemistry & Energy Conservation of Guangdong Province , Sun Yat-Sen University , Guangzhou 510275 , People's Republic of China
| | - Yaqi Zhang
- School of Chemistry, The Key Laboratory of Low-Carbon Chemistry & Energy Conservation of Guangdong Province , Sun Yat-Sen University , Guangzhou 510275 , People's Republic of China
| | - Xiaobo He
- School of Chemistry, The Key Laboratory of Low-Carbon Chemistry & Energy Conservation of Guangdong Province , Sun Yat-Sen University , Guangzhou 510275 , People's Republic of China
| | - Bin Chen
- School of Chemistry, The Key Laboratory of Low-Carbon Chemistry & Energy Conservation of Guangdong Province , Sun Yat-Sen University , Guangzhou 510275 , People's Republic of China
| | - Wesley Ting Kwok Chan
- Department of Applied Biology and Chemical Technology , The Hong Kong Polytechnic University , Hong Kong , People's Republic of China
| | - Albert S C Chan
- School of Chemistry, The Key Laboratory of Low-Carbon Chemistry & Energy Conservation of Guangdong Province , Sun Yat-Sen University , Guangzhou 510275 , People's Republic of China
| | - Liqin Qiu
- School of Chemistry, The Key Laboratory of Low-Carbon Chemistry & Energy Conservation of Guangdong Province , Sun Yat-Sen University , Guangzhou 510275 , People's Republic of China
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14
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Cheng Q, Tu HF, Zheng C, Qu JP, Helmchen G, You SL. Iridium-Catalyzed Asymmetric Allylic Substitution Reactions. Chem Rev 2018; 119:1855-1969. [PMID: 30582688 DOI: 10.1021/acs.chemrev.8b00506] [Citation(s) in RCA: 449] [Impact Index Per Article: 74.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
In this review, we summarize the origin and advancements of iridium-catalyzed asymmetric allylic substitution reactions during the past two decades. Since the first report in 1997, Ir-catalyzed asymmetric allylic substitution reactions have attracted intense attention due to their exceptionally high regio- and enantioselectivities. Ir-catalyzed asymmetric allylic substitution reactions have been significantly developed in recent years in many respects, including ligand development, mechanistic understanding, substrate scope, and application in the synthesis of complex functional molecules. In this review, an explicit outline of ligands, mechanism, scope of nucleophiles, and applications is presented.
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Affiliation(s)
- Qiang Cheng
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry , University of Chinese Academy of Sciences, Chinese Academy of Sciences , 345 Lingling Lu , Shanghai 200032 , China
| | - Hang-Fei Tu
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry , University of Chinese Academy of Sciences, Chinese Academy of Sciences , 345 Lingling Lu , Shanghai 200032 , China
| | - Chao Zheng
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry , University of Chinese Academy of Sciences, Chinese Academy of Sciences , 345 Lingling Lu , Shanghai 200032 , China
| | - Jian-Ping Qu
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials , Nanjing Tech University , Nanjing 211816 , China
| | - Günter Helmchen
- Organisch-Chemisches Institut der Ruprecht-Karls , Universität Heidelberg , Im Neuenheimer Feld 270 , D-69120 Heidelberg , Germany
| | - Shu-Li You
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry , University of Chinese Academy of Sciences, Chinese Academy of Sciences , 345 Lingling Lu , Shanghai 200032 , China
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15
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Kim SW, Schwartz LA, Zbieg JR, Stivala CE, Krische MJ. Regio- and Enantioselective Iridium-Catalyzed Amination of Racemic Branched Alkyl-Substituted Allylic Acetates with Primary and Secondary Aromatic and Heteroaromatic Amines. J Am Chem Soc 2018; 141:671-676. [PMID: 30571092 DOI: 10.1021/jacs.8b12152] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The air- and water-stable π-allyliridium C,O-benzoate modified by ( S)-tol-BINAP, ( S)-Ir-II, catalyzes highly regio- and enantioselective Tsuji-Trost-type aminations of racemic branched alkyl-substituted allylic acetates using primary or secondary (hetero)aromatic amines. Specifically, in the presence of ( S)-Ir-II (5 mol%) in DME solvent at 60-70 °C, α-methyl allyl acetate 1a (100 mol%) reacts with primary (hetero)aromatic amines 2a-2l (200 mol%) or secondary (hetero)aromatic amines 3a-3l (200 mol%) to form the branched products of allylic amination 4a-4l and 5a-5l, respectively, as single regioisomers in good to excellent yield with uniformly high levels of enantioselectivity. As illustrated by the conversion of heteroaromatic amine 3m to adducts 6a-6g, excellent levels of regio- and enantioselectivity are retained across diverse branched allylic acetates bearing normal alkyl or secondary alkyl substituents. For reactants 3n-3p, which incorporate both primary and secondary aryl amine moieties, regio- and enantioselective amination occurs with complete site-selectivity to furnish adducts 7a-7c. Mechanistic studies involving amination of the enantiomerically enriched, deuterium-labeled acetate 1h corroborate C-N bond formation via outer-sphere addition.
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Affiliation(s)
- Seung Wook Kim
- Department of Chemistry , University of Texas at Austin , Austin , Texas 78712 , United States
| | - Leyah A Schwartz
- Department of Chemistry , University of Texas at Austin , Austin , Texas 78712 , United States
| | - Jason R Zbieg
- Discovery Chemistry , Genentech, Inc. , 1 DNA Way , South San Francisco , California 94080 , United States
| | - Craig E Stivala
- Discovery Chemistry , Genentech, Inc. , 1 DNA Way , South San Francisco , California 94080 , United States
| | - Michael J Krische
- Department of Chemistry , University of Texas at Austin , Austin , Texas 78712 , United States
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16
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Bao CC, Zheng DS, Zhang X, You SL. Iridium/N-Heterocyclic Carbene Complex-Catalyzed Intermolecular Allylic Alkylation Reaction. Organometallics 2018. [DOI: 10.1021/acs.organomet.8b00762] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Can-Can Bao
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
- School of Physical Science and Technology, ShanghaiTech University, 100 Haike Road, Shanghai 201210, China
| | - Dong-Song Zheng
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Xiao Zhang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Shu-Li You
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
- School of Physical Science and Technology, ShanghaiTech University, 100 Haike Road, Shanghai 201210, China
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17
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18
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Lee Y, Park J, Cho SH. Generation and Application of (Diborylmethyl)zinc(II) Species: Access to Enantioenriched gem
-Diborylalkanes by an Asymmetric Allylic Substitution. Angew Chem Int Ed Engl 2018; 57:12930-12934. [DOI: 10.1002/anie.201805476] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Indexed: 12/17/2022]
Affiliation(s)
- Yeosan Lee
- Department of Chemistry; Pohang University of Science and Technology (POSTECH); Pohang 37673 Rep. of Korea
| | - Jinyoung Park
- Department of Chemistry; Pohang University of Science and Technology (POSTECH); Pohang 37673 Rep. of Korea
| | - Seung Hwan Cho
- Department of Chemistry; Pohang University of Science and Technology (POSTECH); Pohang 37673 Rep. of Korea
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19
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Lee Y, Park J, Cho SH. Generation and Application of (Diborylmethyl)zinc(II) Species: Access to Enantioenriched gem
-Diborylalkanes by an Asymmetric Allylic Substitution. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201805476] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Yeosan Lee
- Department of Chemistry; Pohang University of Science and Technology (POSTECH); Pohang 37673 Rep. of Korea
| | - Jinyoung Park
- Department of Chemistry; Pohang University of Science and Technology (POSTECH); Pohang 37673 Rep. of Korea
| | - Seung Hwan Cho
- Department of Chemistry; Pohang University of Science and Technology (POSTECH); Pohang 37673 Rep. of Korea
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20
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Hoang GL, Zhang S, Takacs JM. Rhodium-catalyzed asymmetric hydroboration of γ,δ-unsaturated amide derivatives: δ-borylated amides. Chem Commun (Camb) 2018; 54:4838-4841. [PMID: 29696267 DOI: 10.1039/c8cc01563e] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
γ,δ-Unsaturated amides in which the alkene moiety bears an aryl or heteroaryl substituent undergo regioselective rhodium-catalyzed δ-borylation by pinacolborane to afford chiral secondary benzylic boronic esters. The results contrast the γ-borylation of γ,δ-unsaturated amides in which the disubstituted alkene moiety bears only alkyl substituents; the reversal in regiochemistry is coupled with a reversal in the sense of π-facial selectivity.
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Affiliation(s)
- G L Hoang
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE 68588-0304, USA.
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21
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Meza AT, Wurm T, Smith L, Kim SW, Zbieg JR, Stivala CE, Krische MJ. Amphiphilic π-Allyliridium C,O-Benzoates Enable Regio- and Enantioselective Amination of Branched Allylic Acetates Bearing Linear Alkyl Groups. J Am Chem Soc 2018; 140:1275-1279. [PMID: 29350523 PMCID: PMC6262838 DOI: 10.1021/jacs.7b13482] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The first examples of amphiphilic reactivity in the context of enantioselective catalysis are described. Commercially available π-allyliridium C,O-benzoates, which are stable to air, water and SiO2 chromatography, and are well-known to catalyze allyl acetate-mediated carbonyl allylation, are now shown to catalyze highly chemo-, regio- and enantioselective substitutions of branched allylic acetates bearing linear alkyl groups with primary amines.
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Affiliation(s)
- Arismel Tena Meza
- Discovery Chemistry, Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | - Thomas Wurm
- Department of Chemistry, University of Texas at Austin , Austin, Texas 78712, United States
| | - Lewis Smith
- Discovery Chemistry, Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | - Seung Wook Kim
- Department of Chemistry, University of Texas at Austin , Austin, Texas 78712, United States
| | - Jason R Zbieg
- Discovery Chemistry, Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | - Craig E Stivala
- Discovery Chemistry, Genentech, Inc. , 1 DNA Way, South San Francisco, California 94080, United States
| | - Michael J Krische
- Department of Chemistry, University of Texas at Austin , Austin, Texas 78712, United States
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22
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Abstract
An overview of the highlights in total synthesis of natural products using iridium as a catalyst is given.
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Affiliation(s)
- Changchun Yuan
- School of Chemical Engineering and Technology
- North University of China
- Taiyuan 030051
- PR China
| | - Bo Liu
- Key Laboratory of Green Chemistry & Technology of Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
- PR China
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23
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Selva E, Sempere Y, Ruiz-Martínez D, Pablo Ó, Guijarro D. Synthesis of Allylic Amines by Asymmetric Transfer Hydrogenation of α,β-Unsaturated N-(tert-Butylsulfinyl)imines. J Org Chem 2017; 82:13693-13699. [DOI: 10.1021/acs.joc.7b02472] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Elisabet Selva
- Departamento de Química
Orgánica, Facultad de Ciencias and Instituto de Síntesis
Orgánica (ISO), Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain
| | - Yeshua Sempere
- Departamento de Química
Orgánica, Facultad de Ciencias and Instituto de Síntesis
Orgánica (ISO), Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain
| | - Débora Ruiz-Martínez
- Departamento de Química
Orgánica, Facultad de Ciencias and Instituto de Síntesis
Orgánica (ISO), Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain
| | - Óscar Pablo
- Departamento de Química
Orgánica, Facultad de Ciencias and Instituto de Síntesis
Orgánica (ISO), Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain
| | - David Guijarro
- Departamento de Química
Orgánica, Facultad de Ciencias and Instituto de Síntesis
Orgánica (ISO), Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain
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24
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Zhao ZL, Gu Q, Wu XY, You SL. Anilines as C-Nucleophiles in Ir-Catalyzed Intramolecular Asymmetric Allylic Substitution Reactions. Chem Asian J 2017; 12:2680-2683. [DOI: 10.1002/asia.201701192] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2017] [Indexed: 11/06/2022]
Affiliation(s)
- Zheng-Le Zhao
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Lingling Lu Shanghai 200032 P.R. China
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals; East China University of Science and Technology; Shanghai 200237 P.R. China
| | - Qing Gu
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Lingling Lu Shanghai 200032 P.R. China
| | - Xin-Yan Wu
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals; East China University of Science and Technology; Shanghai 200237 P.R. China
| | - Shu-Li You
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Lingling Lu Shanghai 200032 P.R. China
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals; East China University of Science and Technology; Shanghai 200237 P.R. China
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25
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Wang YN, Wang BC, Zhang MM, Gao XW, Li TR, Lu LQ, Xiao WJ. Hydrogen Bond Direction Enables Palladium-Catalyzed Branch- and Enantioselective Allylic Aminations and Beyond. Org Lett 2017; 19:4094-4097. [DOI: 10.1021/acs.orglett.7b01794] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ya-Ni Wang
- Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis, Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei 430079, P. R. China
| | - Bao-Cheng Wang
- Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis, Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei 430079, P. R. China
| | - Mao-Mao Zhang
- Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis, Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei 430079, P. R. China
| | - Xiao-Wen Gao
- College
of Chemistry and Molecular Science, Wuhan University, Wuhan 430072, P. R. China
| | - Tian-Ren Li
- Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis, Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei 430079, P. R. China
| | - Liang-Qiu Lu
- Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis, Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei 430079, P. R. China
| | - Wen-Jing Xiao
- Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis, Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei 430079, P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, P. R. China
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26
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Hethcox JC, Shockley SE, Stoltz BM. Iridium-Catalyzed Stereoselective Allylic Alkylation Reactions with Crotyl Chloride. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201609960] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- J. Caleb Hethcox
- The Warren and Katharine Schlinger Laboratory for Chemistry and Chemical Engineering, Division of Chemistry and Chemical Engineering; California Institute of Technology; 1200 E. California Blvd, MC 101-20 Pasadena CA 91125 USA
| | - Samantha E. Shockley
- The Warren and Katharine Schlinger Laboratory for Chemistry and Chemical Engineering, Division of Chemistry and Chemical Engineering; California Institute of Technology; 1200 E. California Blvd, MC 101-20 Pasadena CA 91125 USA
| | - Brian M. Stoltz
- The Warren and Katharine Schlinger Laboratory for Chemistry and Chemical Engineering, Division of Chemistry and Chemical Engineering; California Institute of Technology; 1200 E. California Blvd, MC 101-20 Pasadena CA 91125 USA
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27
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Hethcox JC, Shockley SE, Stoltz BM. Iridium-Catalyzed Stereoselective Allylic Alkylation Reactions with Crotyl Chloride. Angew Chem Int Ed Engl 2016; 55:16092-16095. [PMID: 27891825 DOI: 10.1002/anie.201609960] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Revised: 10/27/2016] [Indexed: 11/09/2022]
Abstract
The development of the first enantio-, diastereo-, and regioselective iridium-catalyzed allylic alkylation reaction of prochiral enolates to form an all-carbon quaternary stereogenic center with an aliphatic-substituted allylic electrophile is disclosed. The reaction proceeds with good to excellent selectivity with a range of substituted tetralone-derived nucleophiles furnishing products bearing a newly formed vicinal tertiary and all-carbon quaternary stereodyad. The utility of this protocol is further demonstrated via a number of synthetically diverse product transformations.
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Affiliation(s)
- J Caleb Hethcox
- The Warren and Katharine Schlinger Laboratory for Chemistry and Chemical Engineering, Division of Chemistry and Chemical Engineering, California Institute of Technology, 1200 E. California Blvd, MC 101-20, Pasadena, CA, 91125, USA
| | - Samantha E Shockley
- The Warren and Katharine Schlinger Laboratory for Chemistry and Chemical Engineering, Division of Chemistry and Chemical Engineering, California Institute of Technology, 1200 E. California Blvd, MC 101-20, Pasadena, CA, 91125, USA
| | - Brian M Stoltz
- The Warren and Katharine Schlinger Laboratory for Chemistry and Chemical Engineering, Division of Chemistry and Chemical Engineering, California Institute of Technology, 1200 E. California Blvd, MC 101-20, Pasadena, CA, 91125, USA
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