1
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Jia X, Hao GL, Feng M, Jiang H, Wang SG, Huang L. Rh(III)-Catalyzed Diastereo- and Enantioselective Regiodivergent (Hetero)Arylamidation of (Homo)Allylic Sulfides. J Am Chem Soc 2024; 146:9768-9778. [PMID: 38545837 DOI: 10.1021/jacs.3c14041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/11/2024]
Abstract
A rhodium-catalyzed 3-component conjunctive diastereo- and regioselective arylamidation of (homo)allylic sulfides, organon boronic acids, and dioxazolones is reported. These reactions deliver the 1,2-insertion and 2,1-insertion arylamidation products, respectively, for allylic sulfides and homoallylic sulfides. The enantioselective arylamidation of terminal and internal allylic sulfides is achieved, furnishing various 1,3-N,S compounds featuring one or two contiguous stereocenters in high yields and with high diastereo- and enantioselectivities. Mechanistic studies suggest a change in the turnover-limiting and selectivity-determining steps induced by the native and easily removable sulfide group.
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Affiliation(s)
- Xiaoyan Jia
- State Key Laboratory of Pulp and Paper Engineering and Key Laboratory of Functional Molecular Engineering of Guangdong Province in School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, P. R. China
| | - Gui-Lin Hao
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, P. R. China
| | - Mengxia Feng
- State Key Laboratory of Pulp and Paper Engineering and Key Laboratory of Functional Molecular Engineering of Guangdong Province in School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, P. R. China
| | - Huanfeng Jiang
- State Key Laboratory of Pulp and Paper Engineering and Key Laboratory of Functional Molecular Engineering of Guangdong Province in School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, P. R. China
| | - Shou-Guo Wang
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, P. R. China
| | - Liangbin Huang
- State Key Laboratory of Pulp and Paper Engineering and Key Laboratory of Functional Molecular Engineering of Guangdong Province in School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, P. R. China
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2
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Chen Y, Lu Z, He W, Zhu H, Lu W, Shi J, Sheng J, Xie W. Rhodium-catalyzed annulation of hydrazines with vinylene carbonate to synthesize unsubstituted 1-aminoindole derivatives. RSC Adv 2024; 14:4804-4809. [PMID: 38323018 PMCID: PMC10844929 DOI: 10.1039/d3ra07466h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 01/30/2024] [Indexed: 02/08/2024] Open
Abstract
Herein, we describe rhodium-catalysed C-H bond activation for [3 + 2] annulation using hydrazide and vinylene carbonate, providing an efficient method for synthesising unsubstituted 1-aminoindole compounds. Characterised by high yields, mild reaction conditions, and no need for external oxidants, this transformation demonstrates excellent regioselectivity and a wide tolerance for various functional groups.
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Affiliation(s)
- Yichun Chen
- School of Environment and Chemical Engineering, Foshan University Foshan 528000 China
| | - Ziqi Lu
- School of Environment and Chemical Engineering, Foshan University Foshan 528000 China
| | - Wenfen He
- School of Environment and Chemical Engineering, Foshan University Foshan 528000 China
| | - Huanyi Zhu
- School of Environment and Chemical Engineering, Foshan University Foshan 528000 China
| | - Weilong Lu
- School of Environment and Chemical Engineering, Foshan University Foshan 528000 China
| | - Junjun Shi
- School of Environment and Chemical Engineering, Foshan University Foshan 528000 China
| | - Jie Sheng
- School of Environment and Chemical Engineering, Foshan University Foshan 528000 China
| | - Wucheng Xie
- School of Environment and Chemical Engineering, Foshan University Foshan 528000 China
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3
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Paul T, Basak S, Nanjegowda MV, Punniyamurthy T. Biorelevant Weakly Coordinating Directing Group Assisted C-H Alkenylation with Cyclopropanols via Sequential C-H/C-C Activation. Org Lett 2023; 25:8975-8980. [PMID: 38071624 DOI: 10.1021/acs.orglett.3c03493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
A weakly coordinating biorelevant intrinsic directing group (DG) assisted site-selective C-H alkenylation via sequential C-H/C-C bond activation has been accomplished under Ru(II)-catalysis using readily accessible cyclopropyl alcohol as an alkenyl surrogate. Utilization of an intrinsic DG, exclusive regioselectivity, functional group diversity, late-stage natural product and drug mutations are the important practical features.
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Affiliation(s)
- Tripti Paul
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati-781039, India
| | - Shubhajit Basak
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati-781039, India
| | - Maniya V Nanjegowda
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati-781039, India
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4
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Prabhakar Ganesh PSK, Muthuraja P, Gopinath P. Rh(III) Catalyzed Redox-Neutral C-H Activation/[5 + 2] Annulation of Aroyl Hydrazides and Sulfoxonium Ylides: Synthesis of Benzodiazepinones. Org Lett 2023; 25:8361-8366. [PMID: 37963274 DOI: 10.1021/acs.orglett.3c03495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2023]
Abstract
We herein report the Rh(III) catalyzed redox-neutral C-H activation/[5 + 2] annulation of aroyl hydrazides with sulfoxonium ylides as safe carbene precursors. The reaction shows excellent functional group tolerance, broad substrate scope, and scalability. We demonstrated the synthetic utility of the protocol via the synthesis of various diazepam drug analogues, late-stage functionalization of probenecid drug, and large scale synthesis. Finally, kinetic studies revealed C-H activation as the rate-determining step.
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Affiliation(s)
| | - Perumal Muthuraja
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati 517507, India
| | - Purushothaman Gopinath
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati 517507, India
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5
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Hwang Y, Wisniewski SR, Engle KM. Ligand-Enabled Carboamidation of Unactivated Alkenes through Enhanced Organonickel Electrophilicity. J Am Chem Soc 2023; 145:25293-25303. [PMID: 37938051 DOI: 10.1021/jacs.3c08855] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2023]
Abstract
Catalytic carboamination of alkenes is a powerful synthetic tool to access valuable amine scaffolds from abundant and readily available alkenes. Although a number of synthetic approaches have been developed to achieve the rapid buildup of molecular complexity in this realm, the installation of diverse carbon and nitrogen functionalities onto unactivated alkenes remains underdeveloped. Here we present a ligand design approach to enable nickel-catalyzed three-component carboamidation that is applicable to a wide range of alkenyl amine derivatives via a tandem process involving alkyl migratory insertion and inner-sphere metal-nitrenoid transfer. With this method, various nitrogen functionalities can be installed into both internal and terminal unactivated alkenes, leading to differentially substituted diamines that would otherwise be difficult to access. Mechanistic investigations reveal that the tailored Ni(cod)(BQiPr) precatalyst modulates the electronic properties of the presumed π-alkene-nickel intermediate via the quinone ligand, leading to enhanced carbonickelation efficiency across the unactivated C═C bond. These findings establish nickel's ability to catalyze multicomponent carboamidation with a high efficiency and exquisite selectivity.
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Affiliation(s)
- Yeongyu Hwang
- Department of Chemistry, The Scripps Research Institute, La Jolla, California 92037, United States
| | - Steven R Wisniewski
- Chemical Process Development Bristol Myers Squibb, New Brunswick, New Jersey 08903, United States
| | - Keary M Engle
- Department of Chemistry, The Scripps Research Institute, La Jolla, California 92037, United States
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6
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Kang N, Zhao ZX, Zhang HX. Mechanistic Study on CpRh(III)-Catalyzed [3 + 2] Annulation of Aniline Derivatives with Vinylsilanes: A DFT Study. J Org Chem 2023. [PMID: 37167409 DOI: 10.1021/acs.joc.3c00539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
The rhodium(III)-catalyzed reaction of aniline derivatives that contain a pyrimidine-directing group with vinylsilanes results in the formation of C3-substituted indoline derivatives. The reaction path and formation of the indoline product with density functional theory calculations were analyzed. This study reveals that the whole catalysis can be characterized in the following stages: (I) C-H activation via concerted metalation deprotonation, (II) 2,1-vinylsilane insertion, (III) deprotonation of the NH amide proton, (IV) the oxidation of Ag+, and (V) reductive elimination. These steps are kinetically and thermodynamically feasible for experimental realization under mild conditions, and the insertion step with a barrier of 22.0 kcal/mol should not only be the critical step of regioselectivity but also the rate-determining step during the whole catalysis. Computations reveal that the Ag+ oxidation can accelerate the reductive elimination step after the formation of natural intermediate, thus highlighting the role of Ag+ as a catalytic promoter for the oxidatively induced reactivity of the Rh catalyst in C3-substituted indoline synthesis.
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Affiliation(s)
- Na Kang
- Laboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry, College of Chemistry, Jilin University, Changchun 130023, P. R. China
| | - Zeng-Xia Zhao
- Laboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry, College of Chemistry, Jilin University, Changchun 130023, P. R. China
| | - Hong-Xing Zhang
- Laboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry, College of Chemistry, Jilin University, Changchun 130023, P. R. China
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7
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Gao HJ, Miao YH, Jia SK, Li N, Xu LP, Wang W, Wang MC, Mei GJ. Azo group-enabled metal- and oxidant-free alkenyl C–H thiolation: Access to stereodefined tetrasubstituted acyclic olefins. GREEN SYNTHESIS AND CATALYSIS 2022. [DOI: 10.1016/j.gresc.2022.09.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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8
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Kwon Y, Wang Q. Recent Advances in 1,2-Amino(hetero)arylation of Alkenes. Chem Asian J 2022; 17:e202200215. [PMID: 35460596 PMCID: PMC9357224 DOI: 10.1002/asia.202200215] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 03/31/2022] [Indexed: 11/06/2022]
Abstract
Alkene amino(hetero)arylation presents a highly efficient and straightforward strategy for direct installation of amino groups and heteroaryl rings across a double bond simultaneously. An extensive array of practical transformations has been developed via alkene difunctionalization approach to access a broad range of medicinally valuable (hetero)arylethylamine motifs. This review presents recent progress in 1,2-amino(hetero)arylation of alkenes organized in three different modes. First, intramolecular transformations employing C, N-tethered alkenes will be introduced. Next, two-component reactions will be discussed with different combination of precursors, N-tethered alkenes and external aryl precursor, C-tethered alkenes and external amine precursor, or C, N-tethered reagents, and alkenes. Last, three-component intermolecular amino(hetero)arylation reactions will be covered.
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Affiliation(s)
- Yungeun Kwon
- Department of Chemistry, Duke University, Durham, North Carolina, 27708, USA
| | - Qiu Wang
- Department of Chemistry, Duke University, Durham, North Carolina, 27708, USA
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9
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Mishra DR, Panda BS, Nayak S, Panda J, Mohapatra S. Recent Advances in the Synthesis of 5‐Membered
N
‐Heterocycles via Rhodium Catalysed Cascade Reactions. ChemistrySelect 2022. [DOI: 10.1002/slct.202200531] [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)
- Deepak R. Mishra
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Bhabani S. Panda
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Sabita Nayak
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Jasmine Panda
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Seetaram Mohapatra
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
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10
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Shi Z, Mao W, Yang Z, Sun S, Tung CH, Xu Z. Au-catalyzed neighboring hydroxymethyl group directed cycloaddition of alkyne with diazadienes: Synthesis of polysubstituted pyrroles. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.05.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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11
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Woo J, Christian AH, Burgess SA, Jiang Y, Mansoor UF, Levin MD. Scaffold hopping by net photochemical carbon deletion of azaarenes. Science 2022; 376:527-532. [PMID: 35482853 PMCID: PMC9107930 DOI: 10.1126/science.abo4282] [Citation(s) in RCA: 55] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Discovery chemists routinely identify purpose-tailored molecules through an iterative structural optimization approach, but the preparation of each successive candidate in a compound series can rarely be conducted in a manner matching their thought process. This is because many of the necessary chemical transformations required to modify compound cores in a straightforward fashion are not applicable in complex contexts. We report a method that addresses one facet of this problem by allowing chemists to hop directly between chemically distinct heteroaromatic scaffolds. Specifically, we show that selective photolysis of quinoline N-oxides with 390-nanometer light followed by acid-promoted rearrangement affords N-acylindoles while showing broad compatibility with medicinally relevant functionality. Applications to late-stage skeletal modification of compounds of pharmaceutical interest and more complex transformations involving serial single-atom changes are demonstrated.
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Affiliation(s)
- Jisoo Woo
- Department of Chemistry, University of Chicago, Chicago, IL, USA
| | | | | | - Yuan Jiang
- Analytical Research and Development, Merck & Co., Inc., Boston, MA, USA
| | | | - Mark D. Levin
- Department of Chemistry, University of Chicago, Chicago, IL, USA
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12
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Ke C, Cao Q, Luo Y, Liu X, Feng X. Catalytic asymmetric amination of azlactones with azobenzenes. Chem Commun (Camb) 2022; 58:5881-5884. [PMID: 35470829 DOI: 10.1039/d2cc01656g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We reported an efficient asymmetric amination of azlactones with N-aryl-N-aroyldiazenes through a chiral N,N'-dioxide-based Lewis acid catalyst. The multicoordination ability of Nd(III) enabled it to simultaneously activate and to locate the two reactants for N-selective addition. Hydrazine-bearing azlactone derivatives were obtained in moderate to good yields with high enantioselectivity.
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Affiliation(s)
- Chaoqi Ke
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China.
| | - Qiuhui Cao
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China.
| | - Yao Luo
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China.
| | - Xiaohua Liu
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China.
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China.
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13
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Vaith J, Rodina D, Spaulding GC, Paradine SM. Pd-Catalyzed Heteroannulation Using N-Arylureas as a Sterically Undemanding Ligand Platform. J Am Chem Soc 2022; 144:6667-6673. [PMID: 35380831 PMCID: PMC9026275 DOI: 10.1021/jacs.2c01019] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Indexed: 12/03/2022]
Abstract
We report the development of ureas as sterically undemanding pro-ligands for Pd catalysis. N-Arylureas outperform phosphine ligands for the Pd-catalyzed heteroannulation of N-tosyl-o-bromoanilines and 1,3-dienes, engaging diverse coupling partners for the preparation of 2-subsituted indolines, including sterically demanding substrates that have not previously been tolerated. Experimental and computational studies on model Pd-urea and Pd-ureate complexes are consistent with monodentate binding through the nonsubstituted nitrogen, which is uncommon for metal-ureate complexes.
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Affiliation(s)
- Jakub Vaith
- Department of Chemistry, University
of Rochester, Rochester, New York 14627, United States
| | - Dasha Rodina
- Department of Chemistry, University
of Rochester, Rochester, New York 14627, United States
| | - Gregory C. Spaulding
- Department of Chemistry, University
of Rochester, Rochester, New York 14627, United States
| | - Shauna M. Paradine
- Department of Chemistry, University
of Rochester, Rochester, New York 14627, United States
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14
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Kang T, González JM, Li ZQ, Foo K, Cheng PTW, Engle KM. Alkene Difunctionalization Directed by Free Amines: Diamine Synthesis via Nickel-Catalyzed 1,2-Carboamination. ACS Catal 2022. [DOI: 10.1021/acscatal.2c00373] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Taeho Kang
- Department of Chemistry, Scripps Research, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - José Manuel González
- Department of Chemistry, Scripps Research, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Zi-Qi Li
- Department of Chemistry, Scripps Research, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Klement Foo
- Fibrosis Chemistry, Small Molecule Drug Discovery, Bristol Myers Squibb Research & Early Development, PO Box 4000, Princeton, New Jersey 08543, United States
| | - Peter T. W. Cheng
- Fibrosis Chemistry, Small Molecule Drug Discovery, Bristol Myers Squibb Research & Early Development, PO Box 4000, Princeton, New Jersey 08543, United States
| | - Keary M. Engle
- Department of Chemistry, Scripps Research, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
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15
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Ramesh P, Sreenivasulu C, Kishore DR, Srinivas D, Gorantla KR, Mallik BS, Satyanarayana G. Recyclable Aliphatic Nitrile-Template Enabled Remote meta-C-H Functionalization at Room Temperature. J Org Chem 2022; 87:2204-2221. [PMID: 35143206 DOI: 10.1021/acs.joc.1c02865] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
This article describes the development of a new aliphatic nitrile-template-directed remote meta-selective C-H olefin functionalization reaction of arenes. Remarkably, unlike the previous reports, this process is feasible at room temperature and enabled the formation of products with excellent regioselectivity. The present protocol encompasses a broad spectrum of substituted dihydrocinnamic acids and olefins, producing meta-C-H olefinated products (up to 96% yield). In addition, the efficacy of the present method has been showcased by the synthesis of various drug analogues (e.g., cholesterol, estrone, ibuprofen, and naproxen). Significantly, the robustness of meta-olefination was also demonstrated by gram-scale synthesis. The new nitrile-based meta-directing template, in particular, could be easily synthesized in two steps and recycled under mild conditions.
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Affiliation(s)
- Perla Ramesh
- Department of Chemistry, Indian Institute of Technology, Hyderabad, Sangareddy, Kandi, Telangana 502 285, India
| | | | - Dakoju Ravi Kishore
- Department of Chemistry, Indian Institute of Technology, Hyderabad, Sangareddy, Kandi, Telangana 502 285, India
| | - Dasari Srinivas
- Department of Chemistry, Indian Institute of Technology, Hyderabad, Sangareddy, Kandi, Telangana 502 285, India
| | - Koteswara Rao Gorantla
- Department of Chemistry, Indian Institute of Technology, Hyderabad, Sangareddy, Kandi, Telangana 502 285, India
| | - Bhabani S Mallik
- Department of Chemistry, Indian Institute of Technology, Hyderabad, Sangareddy, Kandi, Telangana 502 285, India
| | - Gedu Satyanarayana
- Department of Chemistry, Indian Institute of Technology, Hyderabad, Sangareddy, Kandi, Telangana 502 285, India
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16
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Ganesh PSKP, Muthuraja P, Gopinath P. Hydrazine-Directed Rh(III) Catalyzed (4+2) Annulation with Sulfoxonium Ylides: Synthesis and Photophysical Properties of Dihydrocinnolines. Chem Commun (Camb) 2022; 58:4211-4214. [DOI: 10.1039/d1cc06353g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We herein report hydrazine-directed, Rh(III) catalyzed (4+2) annulation of N-alkyl aryl hydrazines with sulfoxonium ylides as a safe carbene precursor. The reaction shows excellent functional group tolerance with broad substrate...
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17
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Zhang W, Li C, Wang B, Gao H, Li H. Rh(III)-Catalyzed Annulation of Azobenzenes with Vinylene Carbonate. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202107038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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18
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Liu J, Xiao X, Lai Y, Zhang Z. Recent advances in transition metal-catalyzed heteroannulative difunctionalization of alkenes via C-H activation for the synthesis of heterocycles. Org Chem Front 2022. [DOI: 10.1039/d2qo00081d] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Heterocyclic compounds are the fundamental structural motifs distributed in natural products, pharmaceuticals and biologically active compounds. Thus, there is increasing interest in the development of novel synthetic strategies for the...
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19
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Motornov V, Tabolin A, Ioffe S. Oxidative [3+2]-annulation of nitroalkenes and azolium ylides in the presence of Cu(II): efficient synthesis of [5,5]-annulated N-fused heterocycles. NEW J CHEM 2022. [DOI: 10.1039/d1nj05332a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A facile synthesis of [5,5]-annulated N-fused heterocycles – pyrrolo[2,1-b]thiazoles and pyrrolo[1,2-b]indazoles via oxidative [3+2]-annulation between nitroalkenes and azolium ylides in the presence of copper (II) was developed. The reaction proceeds...
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20
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Khake SM, Chatani N. Rh(III)-Catalyzed [3 + 2] Annulation of Aniline Derivatives with Vinylsilanes via C–H Activation/Alkene Cyclization: Access to Highly Regioselective Indoline Derivatives. ACS Catal 2021. [DOI: 10.1021/acscatal.1c03603] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Shrikant M. Khake
- 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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21
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Kang T, Kim N, Cheng PT, Zhang H, Foo K, Engle KM. Nickel-Catalyzed 1,2-Carboamination of Alkenyl Alcohols. J Am Chem Soc 2021; 143:13962-13970. [PMID: 34415748 DOI: 10.1021/jacs.1c07112] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An alcohol-directed, nickel-catalyzed three-component umpolung carboamination of unactivated alkenes with aryl/alkenylboronic esters and electrophilic aminating reagents is reported. This transformation is enabled by specifically tailored O-(2,6-dimethoxybenzoyl)hydroxylamine electrophiles that suppress competitive processes, including undesired β-hydride elimination and transesterification between the alcohol substrate and electrophile. The reaction delivers the desired 1,2-carboaminated products with generally high regio- and syn-diastereoselectivity and exhibits a broad scope of coupling partners and alkenes, including complex natural products. Various mechanistic experiments and analysis of the stereochemical outcome with a cyclic alkene substrate, as confirmed by X-ray crystallographic analysis, support alcohol-directed syn-insertion of an organonickel(I) species.
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Affiliation(s)
- Taeho Kang
- Department of Chemistry, Scripps Research, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Nana Kim
- Department of Chemistry, Scripps Research, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Peter T Cheng
- Discovery Chemistry, Bristol Myers Squibb Research & Early Development, P.O. Box 4000, Princeton, New Jersey 08543, United States
| | - Hao Zhang
- Discovery Chemistry, Bristol Myers Squibb Research & Early Development, P.O. Box 4000, Princeton, New Jersey 08543, United States
| | - Klement Foo
- Discovery Chemistry, Bristol Myers Squibb Research & Early Development, P.O. Box 4000, Princeton, New Jersey 08543, United States
| | - Keary M Engle
- Department of Chemistry, Scripps Research, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
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22
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Xia W, Zhao X, Guo L, Yang C. Photoinduced [3+2] Annulation of Alkene with o-Iodoanilines: An Expedient Approach to Indolines. SYNTHESIS-STUTTGART 2021. [DOI: 10.1055/s-0040-1705963] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
AbstractA highly regioselective [3+2] cyclization of alkenes with 2-iodoanilines under the irradiation of UV light is described. This general, metal-free strategy facilitates the direct preparation of 2-mono-/disubstituted indolines as well as spiroindolines through alkene carboamination in one step. Mechanistic studies suggested that the photochemical protocol proceeded via a radical pathway.
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23
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Zhang X, Zhang B, Li X. Rhodium-Catalyzed Redox-Neutral Olefination of Aryldiazenes with Acrylate Esters via C-H Activation and Transfer Hydrogenation. Org Lett 2021; 23:1687-1691. [PMID: 33591194 DOI: 10.1021/acs.orglett.1c00107] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Rh(III)-catalyzed redox-neutral C-H olefination of aryldiazenecarboxylates has been realized using arylate esters as the olefinating reagents. This reaction proceeds under mild and redox-neutral conditions, resulting in integration of C-H activation and transfer hydrogenation. The chemoselectivity complements that of previously reported rhodium-catalyzed coupling of the same substrates.
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Affiliation(s)
- Xiaofei Zhang
- Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Bin Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry of MOE & School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi'an 710062, China
| | - Xingwei Li
- Key Laboratory of Applied Surface and Colloid Chemistry of MOE & School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi'an 710062, China
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24
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Chen C, Cui S. BF3-promoted annulation of azonaphthalenes and ynamides for synthesis of benzo[e]indoles. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2020.04.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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25
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Zhou S, Liu Q, Bao M, Huang J, Wang J, Hu W, Xu X. Gold(i)-catalyzed redox transformation of o-nitroalkynes with indoles for the synthesis of 2,3′-biindole derivatives. Org Chem Front 2021. [DOI: 10.1039/d1qo00134e] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
A gold(i)-catalyzed cascade reaction of o-nitroalkynes with indoles has been reported for the rapid assembly of 2-indolyl indolone N-oxides, which exhibit high anticancer potency against SCLC cells.
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Affiliation(s)
- Su Zhou
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery
- School of Pharmaceutical Sciences
- Sun Yat-sen University
- Guangzhou 510006
- China
| | - Qianqian Liu
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery
- School of Pharmaceutical Sciences
- Sun Yat-sen University
- Guangzhou 510006
- China
| | - Ming Bao
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery
- School of Pharmaceutical Sciences
- Sun Yat-sen University
- Guangzhou 510006
- China
| | - Jie Huang
- Guangdong Lung Cancer Institute
- Guangdong Provincial Key Laboratory of Translational Medicine in Lung Cancer
- Guangdong Provincial People's Hospital and Guangdong Academy of Medical Sciences
- Guangzhou 510080
- China
| | - Junjian Wang
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery
- School of Pharmaceutical Sciences
- Sun Yat-sen University
- Guangzhou 510006
- China
| | - Wenhao Hu
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery
- School of Pharmaceutical Sciences
- Sun Yat-sen University
- Guangzhou 510006
- China
| | - Xinfang Xu
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery
- School of Pharmaceutical Sciences
- Sun Yat-sen University
- Guangzhou 510006
- China
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26
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Ramesh P, Sreenivasulu C, Gorantla KR, Mallik BS, Satyanarayana G. A simple removable aliphatic nitrile template 2-cyano-2,2-di-isobutyl acetic acid for remote meta-selective C–H functionalization. Org Chem Front 2021. [DOI: 10.1039/d1qo00140j] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
The remote meta-selective C–H functionalization of arenes using first aliphatic nitrile template 2-cyano-2,2-di-isobutyl acetic acid under mild conditions is presented.
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Affiliation(s)
- Perla Ramesh
- Department of Chemistry
- Indian Institute of Technology Hyderabad
- Sangareddy 502285
- India
| | | | | | - Bhabani S. Mallik
- Department of Chemistry
- Indian Institute of Technology Hyderabad
- Sangareddy 502285
- India
| | - Gedu Satyanarayana
- Department of Chemistry
- Indian Institute of Technology Hyderabad
- Sangareddy 502285
- India
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27
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Li G, Bi S. Substituent-controlled C-N coupling involved in Rh(III)-catalyzed oxidative [3+2] annulation of 2-acetyl-1-arylhydrazines with maleimides: A DFT study. J Organomet Chem 2020. [DOI: 10.1016/j.jorganchem.2020.121539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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28
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Chen C, Shi C, Yang Y, Zhou B. Rh(iii)-catalyzed tandem annulative redox-neutral arylation/amidation of aromatic tethered alkenes. Chem Sci 2020; 11:12124-12129. [PMID: 34094427 PMCID: PMC8162841 DOI: 10.1039/d0sc04007j] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Transition-metal-catalyzed directed C–H functionalization has emerged as a powerful and straightforward tool to construct C–C bonds and C–N bonds. Among these processes, the intramolecular annulative alkene hydroarylation reaction has received much attention because this intramolecular annulation can produce more complex and high value-added structural motifs found in numerous natural products and bioactive molecules. Despite remarkable progress, these annulative protocols developed to date remain limited to hydroarylation and functionalization of one side of alkenes, thus largely limiting the structural diversity and complexity. Herein, we developed a rhodium(iii)-catalyzed tandem annulative arylation/amidation reaction of aromatic tethered alkenes to deliver a variety of 2,3-dihydro-3-benzofuranmethanamine derivatives bearing an all-carbon quaternary stereo center by employing 3-substituted 1,4,2-dioxazol-5-ones as an amidating reagent to capture the transient C(sp3)–Rh intermediate. Notably, by simply changing the directing group, a second, unsymmetrical ortho C–H amidation/annulation can be achieved to provide tricyclic dihydrofuro[3,2-f]quinazolinones in good yields. A rhodium(iii)-catalyzed tandem annulative arylation/amidation reaction of aromatic tethered alkenes was developed to deliver a variety of 2,3-dihydro-3-benzofuranmethanamine derivatives.![]()
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Affiliation(s)
- Chao Chen
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences 555 Zu Chong Zhi Road Shanghai 201203 China .,University of Chinese Academy of Sciences 19 Yuquan Road Beijing 100049 China
| | - Chen Shi
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences 555 Zu Chong Zhi Road Shanghai 201203 China .,University of Chinese Academy of Sciences 19 Yuquan Road Beijing 100049 China
| | - Yaxi Yang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences 555 Zu Chong Zhi Road Shanghai 201203 China .,University of Chinese Academy of Sciences 19 Yuquan Road Beijing 100049 China.,School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences Hangzhou 310024 China
| | - Bing Zhou
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences 555 Zu Chong Zhi Road Shanghai 201203 China .,University of Chinese Academy of Sciences 19 Yuquan Road Beijing 100049 China.,School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences Hangzhou 310024 China
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29
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Shen H, Liu T, Cheng D, Yi X, Wang Z, Liu L, Song D, Ling F, Zhong W. Ruthenium-Catalyzed Electrochemical Synthesis of Indolines through Dehydrogenative [3 + 2] Annulation with H 2 Evolution. J Org Chem 2020; 85:13735-13746. [PMID: 33047962 DOI: 10.1021/acs.joc.0c01879] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
A dehydrogenative [3 + 2] annulation reaction of aniline derivatives and alkenes has been developed via the ruthenium-electron catalytic systems for the synthesis of versatile indolines. Electricity is used as a sustainable oxidant to regenerate the active Ru(II) catalyst and promote H2 evolution. This protocol is ecofriendly and easy to handle as it uses a simple undivided cell in mild conditions without the employment of metal oxidants.
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Affiliation(s)
- Haiwei Shen
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
| | - Tao Liu
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
| | - Didi Cheng
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
| | - Xiao Yi
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
| | - Ze Wang
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
| | - Lei Liu
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
| | - Dingguo Song
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
| | - Fei Ling
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
| | - Weihui Zhong
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
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30
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Wang Q, Wang P, Gao X, Wang D, Wang S, Liang X, Wang L, Zhang H, Lei A. Regioselective/electro-oxidative intermolecular [3 + 2] annulation for the preparation of indolines. Chem Sci 2020; 11:2181-2186. [PMID: 34123309 PMCID: PMC8150106 DOI: 10.1039/c9sc05729c] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Compared with the reported intramolecular electro-oxidative cyclization of alkenyl amines or vinyl anilines for the preparation of pyrrolidines or indolines, the intermolecular version is less studied. Herein, this electrochemical intermolecular oxidative annulation of anilines and alkenes for the preparation of indolines proceeded under external oxidant-free conditions. The most noteworthy achievement of our work is the facile generation of indolines with quaternary centers at the 2-position. In addition, alkenes and anilines bearing various functional groups can be well tolerated. Remarkably, electrolyte-free conditions were used in an electrochemical flow cell, which shows the application potential of this method.
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Affiliation(s)
- Qingqing Wang
- College of Chemistry and Molecular Sciences, Institute for Advanced Studies (IAS), Wuhan University Wuhan 430072 P. R. China
| | - Pan Wang
- College of Chemistry and Molecular Sciences, Institute for Advanced Studies (IAS), Wuhan University Wuhan 430072 P. R. China
| | - Xinlong Gao
- College of Chemistry and Molecular Sciences, Institute for Advanced Studies (IAS), Wuhan University Wuhan 430072 P. R. China
| | - Dan Wang
- College of Chemistry and Molecular Sciences, Institute for Advanced Studies (IAS), Wuhan University Wuhan 430072 P. R. China
| | - Shengchun Wang
- College of Chemistry and Molecular Sciences, Institute for Advanced Studies (IAS), Wuhan University Wuhan 430072 P. R. China
| | - Xingan Liang
- College of Chemistry and Molecular Sciences, Institute for Advanced Studies (IAS), Wuhan University Wuhan 430072 P. R. China
| | - Liwei Wang
- College of Chemistry and Molecular Sciences, Institute for Advanced Studies (IAS), Wuhan University Wuhan 430072 P. R. China
| | - Heng Zhang
- College of Chemistry and Molecular Sciences, Institute for Advanced Studies (IAS), Wuhan University Wuhan 430072 P. R. China
| | - Aiwen Lei
- College of Chemistry and Molecular Sciences, Institute for Advanced Studies (IAS), Wuhan University Wuhan 430072 P. R. China .,National Research Center for Carbohydrate Synthesis, Jiangxi Normal University Nanchang 330022 P. R. China
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31
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Jo G, Kim MH, Kim J. A practical route to azo compounds by metal-free aerobic oxidation of arylhydrazides using an NO x system. Org Chem Front 2020. [DOI: 10.1039/d0qo00043d] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Metal-free aerobic oxidation of aryl hydrazides catalyzed by NOx was developed for the practical and environment friendly synthesis of azo compounds.
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Affiliation(s)
- Giwon Jo
- Department of Chemistry
- and Research Institute of Basic Sciences
- Incheon National University
- Incheon 22012
- Republic of Korea
| | - Min Hye Kim
- Department of Chemistry
- and Research Institute of Basic Sciences
- Incheon National University
- Incheon 22012
- Republic of Korea
| | - Jinho Kim
- Department of Chemistry
- and Research Institute of Basic Sciences
- Incheon National University
- Incheon 22012
- Republic of Korea
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32
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Zhao H, Xu X, Luo Z, Cao L, Li B, Li H, Xu L, Fan Q, Walsh PJ. Rhodium(i)-catalyzed C6-selective C-H alkenylation and polyenylation of 2-pyridones with alkenyl and conjugated polyenyl carboxylic acids. Chem Sci 2019; 10:10089-10096. [PMID: 32055363 PMCID: PMC6991184 DOI: 10.1039/c9sc03672e] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Accepted: 09/09/2019] [Indexed: 01/02/2023] Open
Abstract
A versatile Rh(i)-catalyzed C6-selective decarbonylative C-H alkenylation of 2-pyridones with readily available, and inexpensive alkenyl carboxylic acids has been developed. This directed dehydrogenative cross-coupling reaction affords 6-alkenylated 2-pyridones that would otherwise be difficult to access using conventional C-H functionalization protocols. The reaction occurs with high efficiency and is tolerant of a broad range of functional groups. A wide scope of alkenyl carboxylic acids, including challenging conjugated polyene carboxylic acids, are amenable to this transformation and no addition of external oxidant is required. Mechanistic studies revealed that (1) Boc2O acts as the activator for the in situ transformation of the carboxylic acids into anhydrides before oxidative addition by the Rh catalyst, (2) a decarbonylation step is involved in the catalytic cycle, and (3) the C-H bond cleavage is likely the turnover-limiting step.
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Affiliation(s)
- Haoqiang Zhao
- Department of Chemistry , Renmin University of China , Beijing 100872 , China .
- Roy and Diana Vagelos Laboratories , Penn/Merck Laboratory for High-Throughput Experimentation , Department of Chemistry , University of Pennsylvania , 231 South 34th Street , Philadelphia , Pennsylvania 19104-6323 , USA .
| | - Xin Xu
- Department of Chemistry , Renmin University of China , Beijing 100872 , China .
| | - Zhenli Luo
- Department of Chemistry , Renmin University of China , Beijing 100872 , China .
| | - Lei Cao
- Department of Chemistry , Renmin University of China , Beijing 100872 , China .
| | - Bohan Li
- Department of Chemistry , Renmin University of China , Beijing 100872 , China .
| | - Huanrong Li
- Department of Chemistry , Renmin University of China , Beijing 100872 , China .
| | - Lijin Xu
- Department of Chemistry , Renmin University of China , Beijing 100872 , China .
- Beijing National Laboratory for Molecular Sciences and Institute of Chemistry , Chinese Academy of Sciences , Beijing , 100190 , China .
| | - Qinghua Fan
- Beijing National Laboratory for Molecular Sciences and Institute of Chemistry , Chinese Academy of Sciences , Beijing , 100190 , China .
| | - Patrick J Walsh
- Roy and Diana Vagelos Laboratories , Penn/Merck Laboratory for High-Throughput Experimentation , Department of Chemistry , University of Pennsylvania , 231 South 34th Street , Philadelphia , Pennsylvania 19104-6323 , USA .
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33
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Li H, Zhang S, Feng X, Yu X, Yamamoto Y, Bao M. Rhodium(III)-Catalyzed Oxidative [3 + 2] Annulation of 2-Acetyl-1-arylhydrazines with Maleimides: Synthesis of Pyrrolo[3,4- b]indole-1,3-diones. Org Lett 2019; 21:8563-8567. [PMID: 31617727 DOI: 10.1021/acs.orglett.9b03107] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A rhodium-catalyzed oxidative [3 + 2] annulation of 2-acetyl-1-phenylhydrazines with maleimides was accomplished using AgNTf2 and Ag2CO3 as additive and oxidant, respectively. A variety of 2-acetyl-1-phenylhydrazines with maleimides were converted into pyrrolo[3,4-b]indole-1,3-diones in satisfactory to excellent yields. Synthetically useful functional groups, such as halogen atoms (F, Cl, Br, and I), ester, cyano, and nitro, remained intact during tandem C-H activation and annulation reactions.
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Affiliation(s)
- He Li
- State Key Laboratory of Fine Chemicals , Dalian University of Technology , Dalian 116023 , China
| | - Sheng Zhang
- State Key Laboratory of Fine Chemicals , Dalian University of Technology , Dalian 116023 , China
| | - Xiujuan Feng
- State Key Laboratory of Fine Chemicals , Dalian University of Technology , Dalian 116023 , China
| | - Xiaoqiang Yu
- State Key Laboratory of Fine Chemicals , Dalian University of Technology , Dalian 116023 , China
| | - Yoshinori Yamamoto
- State Key Laboratory of Fine Chemicals , Dalian University of Technology , Dalian 116023 , China.,Department of Chemistry, Graduate School of Science , Tohoku University , Sendai 980-8578 , Japan.,Research Organization of Science and Technology , Ritsumeikan University , Kusatsu, Shiga 525-8577 , Japan
| | - Ming Bao
- State Key Laboratory of Fine Chemicals , Dalian University of Technology , Dalian 116023 , China
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34
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Rh(III)-Catalyzed C–H Bond Activation for the Construction of Heterocycles with sp3-Carbon Centers. Catalysts 2019. [DOI: 10.3390/catal9100823] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Rh(III)-catalyzed C–H activation features mild reaction conditions, good functional group tolerance, high reaction efficiency, and regioselectivity. Recently, it has attracted tremendous attention and has been employed to synthesize various heterocycles, such as indoles, isoquinolines, isoquinolones, pyrroles, pyridines, and polyheterocycles, which are important privileged structures in biological molecules, natural products, and agrochemicals. In this short review, we attempt to present an overview of recent advances in Rh(III)-mediated C–H bond activation to generate diverse heterocyclic scaffolds with sp3 carbon centers.
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35
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Pinkert T, Wegner T, Mondal S, Glorius F. Intermolekulare, durch Cp*Rh
III
‐katalysierte C−H‐Aktivierung ermöglichte 1,4‐Carboaminierung von konjugierten Dienen. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201907269] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Tobias Pinkert
- Organisch-Chemisches Institur Westfälische Wilhelms-Universität Münster Corrensstraße 40 48149 Münster Germany
| | - Tristan Wegner
- Organisch-Chemisches Institur Westfälische Wilhelms-Universität Münster Corrensstraße 40 48149 Münster Germany
| | - Shobhan Mondal
- Organisch-Chemisches Institur Westfälische Wilhelms-Universität Münster Corrensstraße 40 48149 Münster Germany
| | - Frank Glorius
- Organisch-Chemisches Institur Westfälische Wilhelms-Universität Münster Corrensstraße 40 48149 Münster Germany
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36
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Pinkert T, Wegner T, Mondal S, Glorius F. Intermolecular 1,4-Carboamination of Conjugated Dienes Enabled by Cp*Rh III -Catalyzed C-H Activation. Angew Chem Int Ed Engl 2019; 58:15041-15045. [PMID: 31389654 DOI: 10.1002/anie.201907269] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Indexed: 11/09/2022]
Abstract
A protocol for the three-component 1,4-carboamination of dienes is described. Synthetically versatile Weinreb amides were coupled with 1,3-dienes and readily available dioxazolones as the nitrogen source using [Cp*RhCl2 ]2 -catalyzed C-H activation to deliver the 1,4-carboaminated products. This transformation proceeds under mild reaction conditions and affords the products with high levels of regio- and E-selectivity. Mechanistic investigations suggest an intermediate RhIII -allyl species is trapped by an electrophilic amidation reagent in a redox-neutral fashion.
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Affiliation(s)
- Tobias Pinkert
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149, Münster, Germany
| | - Tristan Wegner
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149, Münster, Germany
| | - Shobhan Mondal
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149, Münster, Germany
| | - Frank Glorius
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149, Münster, Germany
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37
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Lv N, Chen Z, Liu Z, Zhang Y. Redox-Neutral Rhodium(III)-Catalyzed Annulation of Arylhydrazines with Sulfoxonium Ylides To Synthesize 2-Arylindoles. J Org Chem 2019; 84:13013-13021. [DOI: 10.1021/acs.joc.9b01815] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Ningning Lv
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Zhengkai Chen
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Zhanxiang Liu
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Yuhong Zhang
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
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38
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Zhao H, Yuan H, Zhang Y, Li R, Li W. Enamine Catalytic Annulation of Azonaphthalenes: An Access to Indole Derivatives. Org Lett 2019; 21:6557-6561. [DOI: 10.1021/acs.orglett.9b02507] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Hanhui Zhao
- Department of Medicinal Chemistry, School of Pharmacy, Qingdao University, Qingdao 266021, P. R. China
| | - Huijun Yuan
- Department of Medicinal Chemistry, School of Pharmacy, Qingdao University, Qingdao 266021, P. R. China
| | - Yanru Zhang
- Department of Medicinal Chemistry, School of Pharmacy, Qingdao University, Qingdao 266021, P. R. China
| | - Rongshi Li
- Department of Medicinal Chemistry, School of Pharmacy, Qingdao University, Qingdao 266021, P. R. China
| | - Wenjun Li
- Department of Medicinal Chemistry, School of Pharmacy, Qingdao University, Qingdao 266021, P. R. China
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39
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Subhedar DD, Mishra AA, Bhanage BM. N
‐Methoxybenzamide: A Versatile Directing Group for Palladium‐, Rhodium‐ and Ruthenium‐Catalyzed C−H Bond Activations. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900405] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
| | - Ashish A. Mishra
- Department of ChemistryInstitute of Chemical Technology, Matunga Mumbai 400019 India
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40
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Brochetta M, Borsari T, Bag S, Jana S, Maiti S, Porta A, Werz DB, Zanoni G, Maiti D. Directmeta‐C−H Perfluoroalkenylation of Arenes Enabled by a Cleavable Pyrimidine‐Based Template. Chemistry 2019; 25:10323-10327. [DOI: 10.1002/chem.201902811] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Indexed: 12/17/2022]
Affiliation(s)
- Massimo Brochetta
- Department of ChemistryUniversity of Pavia Viale Taramelli 10 2100 Pavia Italy
- Institute of Organic ChemistryTechnische Universität Braunschweig Hagenring 30 38106 Braunschweig Germany
| | - Tania Borsari
- Department of ChemistryUniversity of Pavia Viale Taramelli 10 2100 Pavia Italy
| | - Sukdev Bag
- Department of ChemistryIndian Institute of Technology Bombay Powai Mumbai 400076 India
| | - Sadhan Jana
- Department of ChemistryIndian Institute of Technology Bombay Powai Mumbai 400076 India
| | - Siddhartha Maiti
- Department of Bioscience and BioengineeringIndian Institute of, Technology Bombay Powai Mumbai 400076 India
| | - Alessio Porta
- Department of ChemistryUniversity of Pavia Viale Taramelli 10 2100 Pavia Italy
| | - Daniel B. Werz
- Institute of Organic ChemistryTechnische Universität Braunschweig Hagenring 30 38106 Braunschweig Germany
| | - Giuseppe Zanoni
- Department of ChemistryUniversity of Pavia Viale Taramelli 10 2100 Pavia Italy
| | - Debabrata Maiti
- Department of ChemistryUniversity of Pavia Viale Taramelli 10 2100 Pavia Italy
- Department of ChemistryIndian Institute of Technology Bombay Powai Mumbai 400076 India
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41
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Gao H, Sun M, Zhang H, Bian M, Wu M, Zhu G, Zhou Z, Yi W. Stereoselective β-F Elimination Enabled Redox-Neutral [4 + 1] Annulation via Rh(III)-Catalyzed C-H Activation: Access to Z-Monofluoroalkenyl Dihydrobenzo[ d]isoxazole Framework. Org Lett 2019; 21:5229-5233. [PMID: 31241340 DOI: 10.1021/acs.orglett.9b01831] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
An efficient and practical Rh(III)-catalyzed redox-neutral [4 + 1] annulation of N-phenoxy amides with α, α-difluoromethylene alkynes has been realized to give direct access to the Z-configured monofluoroalkenyl dihydrobenzo[ d]isoxazole framework with broad substrate compatibility and good functional group tolerance, which was further enhanced by the late-stage C-H modification of complex bioactive compounds. Subsequent density functional theory calculations revealed that the stereoselective β-F elimination involving an allene species played a decisive role in determining the reaction outcome and such Z-selectivity.
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Affiliation(s)
- Hui Gao
- Key Laboratory of Molecular Target & Clinical Pharmacology and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital , Guangzhou Medical University , Guangzhou , Guangdong 511436 , China
| | - Ming Sun
- Key Laboratory of Molecular Target & Clinical Pharmacology and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital , Guangzhou Medical University , Guangzhou , Guangdong 511436 , China
| | - Haiman Zhang
- Key Laboratory of Molecular Target & Clinical Pharmacology and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital , Guangzhou Medical University , Guangzhou , Guangdong 511436 , China
| | - Mengyao Bian
- Key Laboratory of Molecular Target & Clinical Pharmacology and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital , Guangzhou Medical University , Guangzhou , Guangdong 511436 , China
| | - Min Wu
- Key Laboratory of Molecular Target & Clinical Pharmacology and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital , Guangzhou Medical University , Guangzhou , Guangdong 511436 , China
| | - Guoxun Zhu
- School of Chemical Engineering and Technology , Sun Yat-sen University , Guangzhou , Guangdong 510275 , China
| | - Zhi Zhou
- Key Laboratory of Molecular Target & Clinical Pharmacology and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital , Guangzhou Medical University , Guangzhou , Guangdong 511436 , China
| | - Wei Yi
- Key Laboratory of Molecular Target & Clinical Pharmacology and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital , Guangzhou Medical University , Guangzhou , Guangdong 511436 , China
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42
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Ryzhakov D, Jarret M, Baltaze JP, Guillot R, Kouklovsky C, Vincent G. Synthesis of 3,3-Spirocyclic 2-Phosphonoindolines via a Dearomative Addition of Phosphonyl Radicals to Indoles. Org Lett 2019; 21:4986-4990. [DOI: 10.1021/acs.orglett.9b01516] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Dmytro Ryzhakov
- Institut de Chimie Moléculaire et des Matériaux d’Orsay (ICMMO, UMR 8182), Univ. Paris Sud, Université Paris Saclay, CNRS, 15 rue Georges Clémenceau, Orsay 91405 Cedex, France
| | - Maxime Jarret
- Institut de Chimie Moléculaire et des Matériaux d’Orsay (ICMMO, UMR 8182), Univ. Paris Sud, Université Paris Saclay, CNRS, 15 rue Georges Clémenceau, Orsay 91405 Cedex, France
| | - Jean-Pierre Baltaze
- Institut de Chimie Moléculaire et des Matériaux d’Orsay (ICMMO, UMR 8182), Univ. Paris Sud, Université Paris Saclay, CNRS, 15 rue Georges Clémenceau, Orsay 91405 Cedex, France
| | - Régis Guillot
- Institut de Chimie Moléculaire et des Matériaux d’Orsay (ICMMO, UMR 8182), Univ. Paris Sud, Université Paris Saclay, CNRS, 15 rue Georges Clémenceau, Orsay 91405 Cedex, France
| | - Cyrille Kouklovsky
- Institut de Chimie Moléculaire et des Matériaux d’Orsay (ICMMO, UMR 8182), Univ. Paris Sud, Université Paris Saclay, CNRS, 15 rue Georges Clémenceau, Orsay 91405 Cedex, France
| | - Guillaume Vincent
- Institut de Chimie Moléculaire et des Matériaux d’Orsay (ICMMO, UMR 8182), Univ. Paris Sud, Université Paris Saclay, CNRS, 15 rue Georges Clémenceau, Orsay 91405 Cedex, France
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43
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Schmidt EY, Semenova NV, Tatarinova IV, Ushakov IA, Vashchenko AV, Trofimov BA. Toward Acetylene Renaissance: Functionally Rich N-Aminoindoles from Acetylene Gas, Ketones, and Hydrazines in Two Steps. Org Lett 2019; 21:4275-4279. [DOI: 10.1021/acs.orglett.9b01452] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Elena Yu. Schmidt
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch, Russian Academy of Sciences, 1 Favorsky Str., 664033 Irkutsk, Russia
| | - Nadezhda V. Semenova
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch, Russian Academy of Sciences, 1 Favorsky Str., 664033 Irkutsk, Russia
| | - Inna V. Tatarinova
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch, Russian Academy of Sciences, 1 Favorsky Str., 664033 Irkutsk, Russia
| | - Igor’ A. Ushakov
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch, Russian Academy of Sciences, 1 Favorsky Str., 664033 Irkutsk, Russia
| | - Alexander V. Vashchenko
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch, Russian Academy of Sciences, 1 Favorsky Str., 664033 Irkutsk, Russia
| | - Boris A. Trofimov
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch, Russian Academy of Sciences, 1 Favorsky Str., 664033 Irkutsk, Russia
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44
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45
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Ghorai J, Anbarasan P. Developments in Cp*Co
III
‐Catalyzed C−H Bond Functionalizations. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201800452] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Jayanta Ghorai
- Department of ChemistryIndian Institute of Technology Madras Chennai – 600036
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46
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Fang S, Wang X, Yin F, Cai P, Yang H, Kong L. Palladium-Catalyzed meta-C-H Olefination of Arene-Tethered Diols Directed by Well-Designed Pyrimidine-Based Group. Org Lett 2019; 21:1841-1844. [PMID: 30840472 DOI: 10.1021/acs.orglett.9b00433] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The palladium-catalyzed meta-olefination of arene-tethered diols attached to a well-designed pyrimidine moiety is presented. Applications of the protocol are illustrated by the synthesis of various diol-based natural products, such as coumarins, phenylpropanoids, stilbenes, and chalcones. Advantages of this method are demonstrated through the easy removal of the template and a gram-scale olefination reaction. Finally, experimental verification, including 1H NMR, ESI-MS and IR, and DFT studies are undertaken to elucidate the mechanistic complexity.
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Affiliation(s)
- Siqiang Fang
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy , China Pharmaceutical University , 24 Tong Jia Xiang , Nanjing 210009 , People's Republic of China
| | - Xiaobing Wang
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy , China Pharmaceutical University , 24 Tong Jia Xiang , Nanjing 210009 , People's Republic of China
| | - Fucheng Yin
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy , China Pharmaceutical University , 24 Tong Jia Xiang , Nanjing 210009 , People's Republic of China
| | - Pei Cai
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy , China Pharmaceutical University , 24 Tong Jia Xiang , Nanjing 210009 , People's Republic of China
| | - Huali Yang
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy , China Pharmaceutical University , 24 Tong Jia Xiang , Nanjing 210009 , People's Republic of China
| | - Lingyi Kong
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy , China Pharmaceutical University , 24 Tong Jia Xiang , Nanjing 210009 , People's Republic of China
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47
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Wu Z, Wang J. A tandem dearomatization/rearomatization strategy: enantioselective N-heterocyclic carbene-catalyzed α-arylation. Chem Sci 2019; 10:2501-2506. [PMID: 30881680 PMCID: PMC6385844 DOI: 10.1039/c8sc04601h] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Accepted: 12/21/2018] [Indexed: 12/14/2022] Open
Abstract
In this study, the first example of carbene-catalyzed tandem dearomatization/rearomatization reaction of azonaphthalenes with α-chloroaldehydes is described.
In this study, the first example of the carbene-catalyzed tandem dearomatization/rearomatization reaction of azonaphthalenes with α-chloroaldehydes is described. This protocol enables the efficient assembly of chiral dihydrocinnolinone derivatives in good yields with excellent enantioselectivities (up to 99% ee). Moreover, this strategy enables not only the highly enantioselective NHC-catalyzed nucleophilic aromatic substitution, but also a formal Csp2–Csp3 bond formation.
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Affiliation(s)
- Zijun Wu
- School of Pharmaceutical Sciences , Key Laboratory of Bioorganic Phosphorous Chemistry and Chemical Biology , Ministry of Education , Tsinghua University , Beijing , 100084 , China .
| | - Jian Wang
- School of Pharmaceutical Sciences , Key Laboratory of Bioorganic Phosphorous Chemistry and Chemical Biology , Ministry of Education , Tsinghua University , Beijing , 100084 , China .
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48
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Banerjee S, De PB, Pradhan S, Shah TA, Punniyamurthy T. RuII
-Catalysed Regioselective C-N
Bond Formation of Indolines and Carbazole with Acyl Azides. European J Org Chem 2019. [DOI: 10.1002/ejoc.201801829] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Sonbidya Banerjee
- Department of Chemistry; Indian Institute of Technology Guwahati; 781039 Guwahati India
| | - Pinaki Bhusan De
- Department of Chemistry; Indian Institute of Technology Guwahati; 781039 Guwahati India
| | - Sourav Pradhan
- Department of Chemistry; Indian Institute of Technology Guwahati; 781039 Guwahati India
| | - Tariq A. Shah
- Department of Chemistry; Indian Institute of Technology Guwahati; 781039 Guwahati India
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49
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Xie W, Chen X, Shi J, Li J, Liu R. Synthesis of 1-aminoindole derivatives via Rh(iii)-catalyzed annulation reactions of hydrazines with sulfoxonium ylides. Org Chem Front 2019. [DOI: 10.1039/c9qo00524b] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Rhodium(iii)-catalyzed C–H functionalization followed by intramolecular annulation reactions between hydrazines and sulfoxonium ylides is described.
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Affiliation(s)
- Wucheng Xie
- Foshan City Engineering & Technology Research Center for Bioactive Natural Products & Functional Chemicals
- School of Environment and Chemical Engineering
- Foshan University
- Foshan 528000
- China
| | - Xin Chen
- Foshan City Engineering & Technology Research Center for Bioactive Natural Products & Functional Chemicals
- School of Environment and Chemical Engineering
- Foshan University
- Foshan 528000
- China
| | - Junjun Shi
- Foshan City Engineering & Technology Research Center for Bioactive Natural Products & Functional Chemicals
- School of Environment and Chemical Engineering
- Foshan University
- Foshan 528000
- China
| | - Jieshen Li
- Foshan City Engineering & Technology Research Center for Bioactive Natural Products & Functional Chemicals
- School of Environment and Chemical Engineering
- Foshan University
- Foshan 528000
- China
| | - Riyao Liu
- Foshan City Engineering & Technology Research Center for Bioactive Natural Products & Functional Chemicals
- School of Environment and Chemical Engineering
- Foshan University
- Foshan 528000
- China
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50
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Lai R, Wu X, Lv S, Zhang C, He M, Chen Y, Wang Q, Hai L, Wu Y. Synthesis of indoles and quinazolines via additive-controlled selective C–H activation/annulation of N-arylamidines and sulfoxonium ylides. Chem Commun (Camb) 2019; 55:4039-4042. [PMID: 30865745 DOI: 10.1039/c9cc01146c] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Selective synthesis of indoles and quinazolines was achieved through a precise control of C–H activation/annulation by changing additives.
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Affiliation(s)
- Ruizhi Lai
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
- China
| | - Xiaohua Wu
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
- China
| | - Songyang Lv
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
- China
| | - Chen Zhang
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
- China
| | - Maoyao He
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
- China
| | - Yuncan Chen
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
- China
| | - Qiantao Wang
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
- China
| | - Li Hai
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
- China
| | - Yong Wu
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
- China
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