1
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Iwamoto T, Hasegawa H, Mori D, Yamazaki T, Fujinuki K, Ishii Y. Post-Synthetic Modification of Calix[4]arene Framework by Iridium-Mediated Alkyne Insertion into an Inert C-C Bond: A Novel Strategy for Unsymmetrical Macrocycles. Chemistry 2024; 30:e202401490. [PMID: 39016691 DOI: 10.1002/chem.202401490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Indexed: 07/18/2024]
Abstract
As a novel synthetic method for unsymmetrical macrocycles, we herein developed a post-synthetic modification of calix[4]arenes by insertion of a terminal alkyne into an inert C(methylene)-C(aryl) bond of the macrocyclic framework. In this transformation, C-iridated calix[4]arenes, readily synthesized through C-H bond activation of the parent calix[4]arene, undergoes C(methylene)-C(aryl) bond cleavage followed by insertion of an alkyne to provide a ring-expanded calix[4]arene complex. Removal of the iridium metal from the resulting complex was readily accomplished by a simple treatment with an acid. The developed sequential method affords novel unsymmetrical, monofunctionalized macrocyclic compounds via 3 steps from the parent calix[4]arene in good yield. The unique unsymmetrical structures of the alkyne-inserted macrocycles were evaluated by X-ray single crystal analyses. On the basis of theoretical calculations, we propose a reaction mechanism involving an uncommon C-C bond cleavage step through δ-carbon elimination for the ring enlargement process.
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Affiliation(s)
- Takahiro Iwamoto
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
- Present address of Dr. Iwamoto: Faculty of Molecular Chemistry and Engineering, Kyoto Institute of Technology, Goshokaido-cho, Matsugasaki, Sakyo-ku, Kyoto, 606-8585, Japan
| | - Hibiki Hasegawa
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
| | - Daiki Mori
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
| | - Takuya Yamazaki
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
| | - Kanako Fujinuki
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
| | - Youichi Ishii
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
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2
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Rahman P, Chakraborty N, Patel BK, Rajbongshi KK. Iodine-Promoted Sulfoximidation of Cinnamic Acids via Oxidative C═C Bond Cleavage. J Org Chem 2024; 89:10472-10484. [PMID: 39008892 DOI: 10.1021/acs.joc.4c00585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/17/2024]
Abstract
An iodine-promoted C═C bond cleavage with concomitant decarboxylation and cross-coupling between cinnamic acids and NH-sulfoximines has been developed. This reaction proceeds via selective C═C bond cleavage, followed by decarboxylation and oxidative sulfoximidation. This metal- and base-free protocol involves dioxygen as the source of oxygen, which is facilitated by tert-butyl hydroperoxide (TBHP) as the oxidant affording N-aroylated sulfoximines with good functional group tolerance and good yields.
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Affiliation(s)
- Parbin Rahman
- Department of Chemistry, Handique Girls' College, Guwahati 781001, Assam, India
| | - Nikita Chakraborty
- Department of Chemistry, Indian Institute of Technology Guwahati, North Guwahati 781039, India
| | - Bhisma K Patel
- Department of Chemistry, Indian Institute of Technology Guwahati, North Guwahati 781039, India
| | - Kamal K Rajbongshi
- Department of Chemistry, Handique Girls' College, Guwahati 781001, Assam, India
- Department of Chemistry, Cotton University, Guwahati 781001, Assam, India
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3
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Li S, Jiao H, Shu XZ, Wu L. Zirconium and hafnium catalyzed C-C single bond hydroboration. Nat Commun 2024; 15:1846. [PMID: 38418499 PMCID: PMC10902336 DOI: 10.1038/s41467-024-45697-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 02/01/2024] [Indexed: 03/01/2024] Open
Abstract
Selective cleavage and subsequent functionalization of C-C single bonds present a fundamental challenge in synthetic organic chemistry. Traditionally, the activation of C-C single bonds has been achieved using stoichiometric transition-metal complexes. Recently, examples of catalytic processes were developed in which use is made of precious metals. However, the use of inexpensive and Earth-abundant group IV metals for catalytic C-C single-bond cleavage is largely underdeveloped. Herein, the zirconium-catalyzed C-C single-bond cleavage and subsequent hydroboration reactions is realized using Cp2ZrCl2 as a catalytic system. A series of structures of various γ-boronated amines are readily obtained, which are otherwise difficult to obtain. Mechanistic studies disclose the formation of a N-ZrIV species, and then a β-carbon elimination route is responsible for C-C single bond activation. Besides zirconium, hafnium exhibits a similar performance for this transformation.
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Affiliation(s)
- Sida Li
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou, 730000, PR China
- University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Haijun Jiao
- Leibniz-Institut für Katalyse e. V., Albert-Einstein-Straße 29a, 18059, Rostock, Germany.
| | - Xing-Zhong Shu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, PR China
| | - Lipeng Wu
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou, 730000, PR China.
- College of Material Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou, 311121, PR China.
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4
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Zhang X, Li Y, Fan W, Huang D. Direct transformation of nitriles to cyanide using chloride anion as catalyst. Chem Commun (Camb) 2024; 60:2058-2061. [PMID: 38288669 DOI: 10.1039/d3cc04339h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2024]
Abstract
A simple method is explored for the scission of C-CN bonds into aldehyde and CN- in air. The transformation was mediated by chloride anions. The cyanide anions were extracted from the reaction solution to form (Et4N)2[Zn(CN)4] and (Et4N)2[Ni(CN)4]. A chloride-induced reaction mechanism is proposed based on experimental studies and DFT calculations. This work might guide the study of halogen catalysts for C-C bond cleavage.
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Affiliation(s)
- Xiaofeng Zhang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China.
| | - Yinghua Li
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China.
| | - Weibin Fan
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China.
| | - Deguang Huang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China.
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5
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Liang YF, Bilal M, Tang LY, Wang TZ, Guan YQ, Cheng Z, Zhu M, Wei J, Jiao N. Carbon-Carbon Bond Cleavage for Late-Stage Functionalization. Chem Rev 2023; 123:12313-12370. [PMID: 37942891 DOI: 10.1021/acs.chemrev.3c00219] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2023]
Abstract
Late-stage functionalization (LSF) introduces functional group or structural modification at the final stage of the synthesis of natural products, drugs, and complex compounds. It is anticipated that late-stage functionalization would improve drug discovery's effectiveness and efficiency and hasten the creation of various chemical libraries. Consequently, late-stage functionalization of natural products is a productive technique to produce natural product derivatives, which significantly impacts chemical biology and drug development. Carbon-carbon bonds make up the fundamental framework of organic molecules. Compared with the carbon-carbon bond construction, the carbon-carbon bond activation can directly enable molecular editing (deletion, insertion, or modification of atoms or groups of atoms) and provide a more efficient and accurate synthetic strategy. However, the efficient and selective activation of unstrained carbon-carbon bonds is still one of the most challenging projects in organic synthesis. This review encompasses the strategies employed in recent years for carbon-carbon bond cleavage by explicitly focusing on their applicability in late-stage functionalization. This review expands the current discourse on carbon-carbon bond cleavage in late-stage functionalization reactions by providing a comprehensive overview of the selective cleavage of various types of carbon-carbon bonds. This includes C-C(sp), C-C(sp2), and C-C(sp3) single bonds; carbon-carbon double bonds; and carbon-carbon triple bonds, with a focus on catalysis by transition metals or organocatalysts. Additionally, specific topics, such as ring-opening processes involving carbon-carbon bond cleavage in three-, four-, five-, and six-membered rings, are discussed, and exemplar applications of these techniques are showcased in the context of complex bioactive molecules or drug discovery. This review aims to shed light on recent advancements in the field and propose potential avenues for future research in the realm of late-stage carbon-carbon bond functionalization.
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Affiliation(s)
- Yu-Feng Liang
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
| | - Muhammad Bilal
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
| | - Le-Yu Tang
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
| | - Tian-Zhang Wang
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
| | - Yu-Qiu Guan
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
| | - Zengrui Cheng
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Minghui Zhu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Jialiang Wei
- Changping Laboratory, Yard 28, Science Park Road, Changping District, Beijing 102206, China
| | - Ning Jiao
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
- Changping Laboratory, Yard 28, Science Park Road, Changping District, Beijing 102206, China
- State Key Laboratory of Organometallic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
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6
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Parr JM, Crimmin MR. Carbon-carbon bond activation by Mg, Al, and Zn complexes. Chem Sci 2023; 14:11012-11021. [PMID: 37860653 PMCID: PMC10583701 DOI: 10.1039/d3sc03336h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 09/13/2023] [Indexed: 10/21/2023] Open
Abstract
Examples of carbon-carbon bond activation reactions at Mg, Al, and Zn are described in this review. Several distinct mechanisms for C-C bond activation at these metals have been proposed, with the key C-C bond activation step occurring by (i) α-alkyl elimination, (ii) β-alkyl elimination, (iii) oxidative addition, or (iv) an electrocyclic reaction. Many of the known pathways involve an overall 2-electron redox process. Despite this, the direct oxidative addition of C-C bonds to these metals is relatively rare, instead most reactions occur through initial installation of the metal on a hydrocarbon scaffold (e.g. by a cycloaddition reaction or hydrometallation) followed by an α-alkyl or β-alkyl elimination step. Emerging applications of Mg, Al, and Zn complexes as catalysts for the functionalisation of C-C bonds are also discussed.
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Affiliation(s)
- Joseph M Parr
- Department of Chemistry, Molecular Science Research Hub, Imperial College London 82 Wood Lane, White City London W12 0BZ UK
| | - Mark R Crimmin
- Department of Chemistry, Molecular Science Research Hub, Imperial College London 82 Wood Lane, White City London W12 0BZ UK
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7
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Huynh NO, Hodík T, Krische MJ. Enantioselective Transfer Hydrogenative Cycloaddition Unlocks the Total Synthesis of SF2446 B3: An Aglycone of Arenimycin and SF2446 Type II Polyketide Antibiotics. J Am Chem Soc 2023; 145:17461-17467. [PMID: 37494281 PMCID: PMC10443208 DOI: 10.1021/jacs.3c06225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/28/2023]
Abstract
The first total synthesis and structure validation of an arenimycin/SF2446 type II polyketide is described, as represented by de novo construction of SF2446 B3, the aglycone shared by this family of type II polyketides. Ruthenium-catalyzed α-ketol-benzocyclobutenone [4 + 2] cycloaddition, which occurs via successive stereoablation-stereoregeneration, affects a double dynamic kinetic asymmetric transformation wherein two racemic starting materials combine to form the congested angucycline bay region with control of regio-, diastereo-, and enantioselectivity. This work represents the first application of transfer hydrogenative cycloaddition and enantioselective intermolecular metal-catalyzed C-C bond activation in target-oriented synthesis.
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Affiliation(s)
- Nancy O Huynh
- Department of Chemistry, University of Texas at Austin, 105 E 24th Street, Austin, Texas 78712, United States
| | - Tomáš Hodík
- Department of Chemistry, University of Texas at Austin, 105 E 24th Street, Austin, Texas 78712, United States
| | - Michael J Krische
- Department of Chemistry, University of Texas at Austin, 105 E 24th Street, Austin, Texas 78712, United States
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8
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Ahmad Sofi F, Masoodi MH, Ovais Dar M, Bharatam PV. Copper (I) Catalysed Tandem C−C and C−N Bond Cleavage of N‐Fused Imidazoles towards the Synthesis of N‐pyridinylamides. ChemistrySelect 2023. [DOI: 10.1002/slct.202204845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
Affiliation(s)
- Firdoos Ahmad Sofi
- Department of Pharmaceutical Sciences University of Kashmir Hazratbal Srinagar India
| | - Mubashir H. Masoodi
- Department of Pharmaceutical Sciences University of Kashmir Hazratbal Srinagar India
| | - Mohammad Ovais Dar
- M.M. College of Pharmacy, Maharishi Markandeshwar University, Mullana, Ambala, India Department of Medicinal Chemistry NIPER, S AS Nagar Punjab India
| | - Prasad V. Bharatam
- M.M. College of Pharmacy, Maharishi Markandeshwar University, Mullana, Ambala, India Department of Medicinal Chemistry NIPER, S AS Nagar Punjab India
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9
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Li X, Hu L, Ma S, Yu H, Lu G, Xu T. Divergent Rh Catalysis: Asymmetric Dearomatization Versus C–H Activation Initiated by C–C Activation. ACS Catal 2023. [DOI: 10.1021/acscatal.3c00063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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10
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Cao J, Xu LW. Palladium- and nickel-catalyzed cascade enantioselective ring-opening/coupling reactions of cyclobutanones. Chem Commun (Camb) 2023; 59:3373-3382. [PMID: 36806356 DOI: 10.1039/d3cc00205e] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
The chemistry of small ring compounds is an intriguing subject in organic chemistry. As the smallest stable cyclic aliphatic ketones, cyclobutanones have garnered tremendous attention owing to their intrinsic high reactivity such as transition-metal catalyzed C-C bond cleavage. In this context, transition-metal catalyzed formal cycloaddition of cyclobutanones via a "cut and sew" strategy has gained marvelous advances. In contrast, an alternative reaction paradigm, i.e., transition-metal catalyzed ring-opening reactions of cyclobutanones, is still underdeveloped. This feature article aims to summarize our efforts in developing enantioselective palladium-catalyzed ring-opening/coupling reactions and recently emerging nickel-catalyzed ring-opening/reductive coupling reactions of cyclobutanones with a tethered aryl halide. The possible mechanisms are briefly showcased and the advantages and limitations of each strategy as well as their synthetic applications in the synthesis of natural products or bioactive compounds are presented.
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Affiliation(s)
- Jian Cao
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Key Laboratory of Organosilicon Material Technology of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, Zhejiang, P. R. China.
| | - Li-Wen Xu
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Key Laboratory of Organosilicon Material Technology of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, Zhejiang, P. R. China. .,State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute and Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Hangzhou, P. R. China
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11
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Pati BV, Puthalath NN, Banjare SK, Nanda T, Ravikumar PC. Transition metal-catalyzed C-H/C-C activation and coupling with 1,3-diyne. Org Biomol Chem 2023; 21:2842-2869. [PMID: 36917476 DOI: 10.1039/d3ob00238a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
Abstract
This review provides a broad overview of the recent developments in the field of transition metal-catalyzed C-H/C-C bond activation and coupling with 1,3-diyne for assembling alkynylated heterocycles, bis-heterocycles, and 1,3-enynes. Transition metal-catalyzed inert bond (C-H/C-C) activation has been the focus of attention among synthetic chemists in recent times. Enormous developments have taken place in C-H/C-C bond activation chemistry in the last two decades. In recent years the use of 2π-unsaturated units as coupling partners for the synthesis of heterocycles through C-H/C-C bond activation and annulation sequence has received immense attention. Among the unsaturated units employed for assembling heterocycles, the use of 1,3-diynes has garnered significant attention due to its ability to render bis-heterocycles in a straightforward manner. The C-H bond activation and coupling with 1,3-diyne has been very much explored in recent years. However, the development of strategies for the use of 1,3-diynes in the analogous C-C bond activation chemistry is less explored. Earlier methods employed to assemble bis-heterocycle used heterocycles that were preformed and pre-functionalized via transition metal-catalyzed coupling reactions. The expensive pre-functionalized halo-heterocycles and sensitive and expensive heterocyclic metal reagents limit its broad application. However, the transition metal-catalyzed C-H activation obviates the need for expensive heterocyclic metal reagents and pre-functionalized halo-heterocycles. The C-H bond activation strategy makes use of C-H bonds as functional groups for effecting the transformation. This renders the overall synthetic sequence both step and cost economic. Hence, this strategy of C-H activation and subsequent reaction with 1,3-diyne could be used for the larger-scale synthesis of chemicals in the pharmaceutical industry. Despite these advances, there is still the possibility of exploration of earth-abundant and cost-effective first-row transition metals (Ni, Cu, Mn. Fe, etc.) for the synthesis of bis-heterocycles. Moreover, the Cp*-ligand-free, simple metal-salt-mediated synthesis of bis-heterocycles is also less explored. Thus, more exploration of reaction conditions for the Cp*-free synthesis of bis-heterocycles is called for. We hope this review will inspire scientists to investigate these unexplored domains.
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Affiliation(s)
- Bedadyuti Vedvyas Pati
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), Odisha 752050, India. .,Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai 400094, India
| | - Nitha Nahan Puthalath
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), Odisha 752050, India. .,Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai 400094, India
| | - Shyam Kumar Banjare
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), Odisha 752050, India. .,Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai 400094, India
| | - Tanmayee Nanda
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), Odisha 752050, India. .,Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai 400094, India
| | - Ponneri C Ravikumar
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), Odisha 752050, India. .,Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai 400094, India
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12
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Halogen-free oxidation of aryl ketones and benzyl nitrile derivatives to corresponding carboxylic acids by using NaOH/ TBHP in aqueous medium. Tetrahedron 2023. [DOI: 10.1016/j.tet.2023.133359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
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13
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Lv XY, Abrams R, Martin R. Copper-Catalyzed C(sp 3 )-Amination of Ketone-Derived Dihydroquinazolinones by Aromatization-Driven C-C Bond Scission. Angew Chem Int Ed Engl 2023; 62:e202217386. [PMID: 36576703 DOI: 10.1002/anie.202217386] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 12/28/2022] [Accepted: 12/28/2022] [Indexed: 12/29/2022]
Abstract
Herein, we describe the development of a copper-catalyzed C(sp3 )-amination of proaromatic dihydroquinazolinones derived from ketones. The reaction is enabled by the intermediacy of open-shell species arising from homolytic C-C bond-cleavage driven by aromatization. The protocol is characterized by its operational simplicity and generality, including chemical diversification of advanced intermediates.
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Affiliation(s)
- Xin-Yang Lv
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007, Tarragona, Spain.,Departament de Química Analítica i Química Orgànica, Universitat Rovira i Virgili, c/Marcel⋅lí Domingo, 1, 43007, Tarragona, Spain
| | - Roman Abrams
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007, Tarragona, Spain
| | - Ruben Martin
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007, Tarragona, Spain.,Catalan Institution for Research and Advanced Studies (ICREA), Passeig Lluïs Companys, 23, 08010, Barcelona, Spain
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14
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Kang T, Fu Y, Li-Matsuura R, Liu AL, Jankins TC, Rheingold AL, Bailey JB, Gembicky M, Liu P, Engle KM. Synthesis and Characterization of Post-β-Carbon-Elimination Organopalladium Complexes. Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Taeho Kang
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California92037, United States
| | - Yue Fu
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania15260, United States
| | - Rei Li-Matsuura
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California92037, United States
| | - Anna L. Liu
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California92037, United States
| | - Tanner C. Jankins
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California92037, United States
| | - Arnold L. Rheingold
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, California92093, United States
| | - Jake B. Bailey
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, California92093, United States
| | - Milan Gembicky
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, California92093, United States
| | - Peng Liu
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania15260, United States
| | - Keary M. Engle
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California92037, United States
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15
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Hou SH, Yu X, Zhang R, Wagner C, Dong G. Rhodium-Catalyzed Diastereo- and Enantioselective Divergent Annulations between Cyclobutanones and 1,5-Enynes: Rapid Construction of Complex C(sp 3)-Rich Scaffolds. J Am Chem Soc 2022; 144:22159-22169. [PMID: 36399332 PMCID: PMC10630065 DOI: 10.1021/jacs.2c09814] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Given the emerging demand to "escape from flatland" for drug discovery, synthetic methods that can efficiently construct complex three-dimensional structures with multi-stereocenters become increasingly valuable. Here, we describe the development of Rh(I)-catalyzed intramolecular annulations between cyclobutanones and 1,5-enyne groups to construct complex C(sp3)-rich scaffolds. Divergent reactivities are realized with different catalysts, and excellent diastereo- and enantioselectivity have been achieved. The use of (R)-H8-binap as the ligand favors forming the bis-bicyclic scaffolds with multiple quaternary stereocenters, while the (R)-segphos ligand prefers to generate the tetrahydro-azapinone products. Owing to the versatile reactivity of ketone moieties, these C(sp3)-rich scaffolds can be further functionalized. Experimental and computational mechanistic studies support a reaction pathway involving enyne-cyclometallation, 1,2-carbonyl addition, and then β-carbon elimination; the divergent reactivities are dictated by a product-determining Rh-alkyl migratory insertion step.
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Affiliation(s)
- Si-Hua Hou
- Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States
| | - Xuan Yu
- Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States
| | - Rui Zhang
- Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States
| | - Cole Wagner
- Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States
| | - Guangbin Dong
- Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States
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16
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Yu ZC, Zhou Y, Chen XL, Ma JT, Wang LS, Wu YD, Wu AX. One-Pot Synthesis of Diaryl 1,2-Diketones via Zn-Mediated Reductive Coupling. J Org Chem 2022; 87:14037-14044. [PMID: 36228126 DOI: 10.1021/acs.joc.2c01658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
A reductive coupling reaction was established for the synthesis of diaryl 1,2-dicarbonyl compounds from aryl methyl ketones in good yields. The mechanistic study showed the reaction undergoes C(CO)-C(sp3) bond cleavage, with the reductive coupling reaction occurring through an electron transfer process. Notably, the reaction not only is simple to operate but also has mild reaction conditions and a wide range of applicable substrates.
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Affiliation(s)
- Zhi-Cheng Yu
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - You Zhou
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Xiang-Long Chen
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Jin-Tian Ma
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Li-Sheng Wang
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Yan-Dong Wu
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - An-Xin Wu
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
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17
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Cadge JA, Gates PJ, Bower JF, Russell CA. Migratory Insertion of CO into a Au–C Bond. J Am Chem Soc 2022; 144:19719-19725. [DOI: 10.1021/jacs.2c10432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jamie A. Cadge
- School of Chemistry, University of Bristol, Cantock’s Close, Bristol, BS8 1TS, United Kingdom
| | - Paul J. Gates
- School of Chemistry, University of Bristol, Cantock’s Close, Bristol, BS8 1TS, United Kingdom
| | - John F. Bower
- School of Chemistry, University of Bristol, Cantock’s Close, Bristol, BS8 1TS, United Kingdom
- Department of Chemistry, University of Liverpool, Crown Street, Liverpool, L69 7ZD, United Kingdom
| | - Christopher A. Russell
- School of Chemistry, University of Bristol, Cantock’s Close, Bristol, BS8 1TS, United Kingdom
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18
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Metal-Free Catalysis in C-C Single-Bond Cleavage: Achievements and Prospects. Top Curr Chem (Cham) 2022; 380:38. [PMID: 35951267 DOI: 10.1007/s41061-022-00393-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 05/30/2022] [Indexed: 10/15/2022]
Abstract
This review article emphasizes the C-C bond cleavage in organic synthesis via metal-free approach. Conventional organic synthesis mainly deals with the reactive π bonds and polar σ bonds. In contrast, the ubiquitous C-C single bonds are inherently stable and are less reactive, which poses a challenge to synthetic chemists. Although inert, such C-C single-bond cleavage reactions have gained attention amongst synthetic chemists, as they provide unique and more straightforward routes, with significantly fewer steps. Several review articles have been reported regarding the activation and cleavage of C-C bonds using different transition metals. However, given the high cost and toxicity of many of these metals, the development of strategies under metal-free conditions is of utmost importance. Though many research articles have been published in this area, no review article has been reported so far. Herein, we discuss the reactions in a more concise way from the year 2012 to today, with emphasis on important reactions. Mechanisms of all the reactions are also well addressed. We believe that this review will be beneficial for the readers who work in this field.
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19
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Aly AA, Hassan AA, Mostafa SM, Mohamed AH, Osman EM, Nayl AA. Heterocycles from cyclopropenones. RSC Adv 2022; 12:18615-18645. [PMID: 35873324 PMCID: PMC9229296 DOI: 10.1039/d2ra03011j] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 06/02/2022] [Indexed: 11/21/2022] Open
Abstract
Great attention has been paid to cyclopropenones as they are present in many natural sources. Various synthesized cyclopropenone derivatives also show a wide range of biological activities. The cyclopropenone derivatives undergo a variety of reactions such as ring-opening reactions, isomerization reactions, C-C coupling reactions, C-H activation, cycloaddition reactions, thermal and photo-irradiation reactions, and acid-base-catalyzed reactions under the influence of various chemical reagents (electrophiles, nucleophiles, radicals, and organometallics) and external forces (heat and light). Many previous reviews have dealt with the chemistry and reactions of cyclopropenones. However and to the best of our knowledge, the utility of cyclopropenones in the synthesis of heterocycles has not been reported before. Therefore, it would be interesting to shed light on this new topic. The present review article provides, for the first time, a comprehensive compilation of synthetic methods for the synthesis of various heterocyclic ring systems, as a significant family in the field of organic chemistry.
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Affiliation(s)
- Ashraf A Aly
- Chemistry Department, Faculty of Science, Minia University El-Minia 61519 Egypt
| | - Alaa A Hassan
- Chemistry Department, Faculty of Science, Minia University El-Minia 61519 Egypt
| | - Sara M Mostafa
- Chemistry Department, Faculty of Science, Minia University El-Minia 61519 Egypt
| | - Asmaa H Mohamed
- Chemistry Department, Faculty of Science, Minia University El-Minia 61519 Egypt
| | - Esraa M Osman
- Chemistry Department, Faculty of Science, Minia University El-Minia 61519 Egypt
| | - AbdElAziz A Nayl
- Department of Chemistry, College of Science, Jouf University P. O. Box 2014 Sakaka Aljouf Saudi Arabia
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20
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Pati BV, Ghosh A, Yadav K, Banjare SK, Pandey S, Lourderaj U, Ravikumar PC. Palladium-catalyzed selective C-C bond cleavage and stereoselective alkenylation between cyclopropanol and 1,3-diyne: one-step synthesis of diverse conjugated enynes. Chem Sci 2022; 13:2692-2700. [PMID: 35340856 PMCID: PMC8890101 DOI: 10.1039/d1sc04780a] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Accepted: 01/24/2022] [Indexed: 12/22/2022] Open
Abstract
The stereoselective synthesis of 1,3-enynes from 1,3-diynes is demonstrated by palladium-catalyzed selective C–C bond cleavage of cyclopropanol. Exclusive formation of mono-alkenylated adducts was achieved by eliminating the possibility of di-functionalization with high stereoselectivity. Indeed, this protocol worked very well with electronically and sterically diverse substrates. Several studies, including deuterium labeling experiments and intermolecular competitive experiments, were carried out to understand the mechanistic details. The atomic-level mechanism followed in the catalytic process was also validated using DFT calculations, and the rate-controlling states in the catalytic cycle were identified. Furthermore, preliminary mechanistic investigations with radical scavengers revealed the non-involvement of the radical pathway in this transformation. Palladium-catalyzed tandem activation and functionalization of readily accessible cyclopropanols have been demonstrated to access valuable conjugated enynes from 1,3-diynes with high stereo-selectivity.![]()
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Affiliation(s)
- Bedadyuti Vedvyas Pati
- School of Chemical Sciences, National Institute of Science Education and Research (NISER) Bhubaneswar, HBNI Jatani Khurda 752050 Odisha India
| | - Asit Ghosh
- School of Chemical Sciences, National Institute of Science Education and Research (NISER) Bhubaneswar, HBNI Jatani Khurda 752050 Odisha India
| | - Komal Yadav
- School of Chemical Sciences, National Institute of Science Education and Research (NISER) Bhubaneswar, HBNI Jatani Khurda 752050 Odisha India
| | - Shyam Kumar Banjare
- School of Chemical Sciences, National Institute of Science Education and Research (NISER) Bhubaneswar, HBNI Jatani Khurda 752050 Odisha India
| | - Shalini Pandey
- School of Chemical Sciences, National Institute of Science Education and Research (NISER) Bhubaneswar, HBNI Jatani Khurda 752050 Odisha India
| | - Upakarasamy Lourderaj
- School of Chemical Sciences, National Institute of Science Education and Research (NISER) Bhubaneswar, HBNI Jatani Khurda 752050 Odisha India
| | - Ponneri C Ravikumar
- School of Chemical Sciences, National Institute of Science Education and Research (NISER) Bhubaneswar, HBNI Jatani Khurda 752050 Odisha India
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21
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Wang X, Yu C, Atodiresei IL, Patureau FW. Phosphine-Catalyzed Dearomative [3 + 2] Cycloaddition of Benzoxazoles with a Cyclopropenone. Org Lett 2022; 24:1127-1131. [PMID: 35085442 PMCID: PMC8845044 DOI: 10.1021/acs.orglett.1c04045] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Indexed: 12/21/2022]
Abstract
The triphenylphosphine-catalyzed dearomative [3 + 2] cycloaddition of benzoxazoles with 1,2-diphenylcyclopropenone is herein described. The reaction scope, mechanism, and possible future applications of this rare organocatalyzed cycloaddition are herein discussed.
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Affiliation(s)
- Xingben Wang
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany
| | - Congjun Yu
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany
| | - Iuliana L. Atodiresei
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany
| | - Frederic W. Patureau
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany
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22
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Avullala T, Nguyen HH, Dakarapu US, Asgari P, Hua Y, Jeon J. Catalytic Net Oxidative C-C Activation and Silylation of Cyclopropanols with a Traceless Acetal Directing Group. ACS Catal 2022; 12:1764-1774. [PMID: 35573128 DOI: 10.1021/acscatal.1c04628] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Redox-neutral carbon-carbon (C-C) bond activation and functionalization strategies of cyclopropanols that give metallo homoenolate have offered merits to construct a range of useful β-functionalized ketones in an inverse-polarity fashion. Discovery and identification of oxidative C-C activation reactions of cyclopropanols that generate metallo enolate-homoenolate would provide an opportunity to afford α,β-difunctionalized ketones. We report catalytic, net oxidative C-C activation, and silylation of cyclopropanols with traceless acetal directing groups under consecutive Ir and Rh catalysis in regio-, stereo-, and chemo-selective fashion. In detail, Ir-catalyzed hydrosilylation of cyclopropyl acetates provides the acetal directing group in quantitative yield. Rh-catalyzed proximal C-C silylation of the resulting cyclopropyl silyl acetal produces the metallo enolate-homoenolate equivalent, dioxasilepine, which uniquely holds an interconnected β-silyl moiety and Z-vinyl acetal. Upon sequential treatment of a silaphile that removes the acetal directing group and electrophile, the seven-membered silicon-containing heterocycle, serving as the ketone α,β-dianion equivalent, delivers α,β-difunctionalized ketones. Scope of the hitherto unexplored reactivity of cyclopropanols toward net oxidative C-C silylation and the versatility of the resulting dioxasilepines were demonstrated. These include late-stage, net oxidative C-C silylation of biologically relevant molecules and facile production of a range of α,β-difunctionalized ketones. Preliminary mechanistic studies suggest that the C-C activation harnessing the electron-rich Wilkinson-type catalyst is likely the turnover-determining step and a Rh-π interaction is the key to the efficient metal insertion to the proximal C-C bond in cyclopropanols.
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Affiliation(s)
- Thirupataiah Avullala
- Department of Chemistry and Biochemistry, The University of Texas at Arlington, Arlington, Texas 76019, United States
| | - Hiep H. Nguyen
- Department of Chemistry and Biochemistry, The University of Texas at Arlington, Arlington, Texas 76019, United States
| | - Udaya Sree Dakarapu
- Department of Chemistry and Biochemistry, The University of Texas at Arlington, Arlington, Texas 76019, United States
| | - Parham Asgari
- Department of Chemistry and Biochemistry, The University of Texas at Arlington, Arlington, Texas 76019, United States
| | - Yuanda Hua
- Department of Chemistry and Biochemistry, The University of Texas at Arlington, Arlington, Texas 76019, United States
| | - Junha Jeon
- Department of Chemistry and Biochemistry, The University of Texas at Arlington, Arlington, Texas 76019, United States
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23
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Iwamoto T, Shibuya K, Takakuwa T, Kuwabara T, Ishii Y. Experimental Observation of β-Carbon Elimination from Alkenylrhodium Complexes through Exchange Reactions of the Alkenyl Unit. Organometallics 2022. [DOI: 10.1021/acs.organomet.1c00695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Takahiro Iwamoto
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan
| | - Koushi Shibuya
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan
| | - Tomoyuki Takakuwa
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan
| | - Takuya Kuwabara
- Department of Chemistry and Biochemistry, Graduate School of Humanities and Sciences, Ochanomizu University, 2-1-1 Otsuka, Bunkyo-ku, Tokyo 112-8610, Japan
| | - Youichi Ishii
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan
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24
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Chen T, Wu Y, Han P, Gao J, Wu Y, Zhao J, Liang H, Liu Y, Liu Y. Nickel‐Catalyzed Ring Expansion of Cyclobutanones towards Indanones. Helv Chim Acta 2022. [DOI: 10.1002/hlca.202100184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Tengyun Chen
- Jilin Provincial Key Laboratory of Carbon Fiber Development and Application College of Chemistry and Life Science Changchun University of Technology Changchun 130012 P. R. China
| | - Yunkai Wu
- Jilin Provincial Key Laboratory of Carbon Fiber Development and Application College of Chemistry and Life Science Changchun University of Technology Changchun 130012 P. R. China
| | - Peilin Han
- Key Laboratory of Micro-Nano Materials for Energy Storage and Conversion of Henan Province Institute of Surface Micro and Nano Materials College of Chemical and Materials Engineering Xuchang University Xuchang Henan 461000 P. R. China
| | - Jiqiang Gao
- Jilin Provincial Key Laboratory of Carbon Fiber Development and Application College of Chemistry and Life Science Changchun University of Technology Changchun 130012 P. R. China
| | - Yuanqi Wu
- Jilin Provincial Key Laboratory of Carbon Fiber Development and Application College of Chemistry and Life Science Changchun University of Technology Changchun 130012 P. R. China
| | - Jinbo Zhao
- Jilin Provincial Key Laboratory of Carbon Fiber Development and Application College of Chemistry and Life Science Changchun University of Technology Changchun 130012 P. R. China
| | - Haotian Liang
- Jilin Provincial Key Laboratory of Carbon Fiber Development and Application College of Chemistry and Life Science Changchun University of Technology Changchun 130012 P. R. China
| | - Yongsheng Liu
- Jilin Provincial Key Laboratory of Carbon Fiber Development and Application College of Chemistry and Life Science Changchun University of Technology Changchun 130012 P. R. China
| | - Yu Liu
- Jilin Provincial Key Laboratory of Carbon Fiber Development and Application College of Chemistry and Life Science Changchun University of Technology Changchun 130012 P. R. China
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25
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Hu Z, Wang Y, Ma P, Wang J, Liu G. Decarbonylative cycloaddition of 1 H-indene-1,2,3-trione and norbornene via rhodium( i)-catalyzed carbon–carbon bond cleavage. NEW J CHEM 2022. [DOI: 10.1039/d2nj01708c] [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
2,3-Dihydro-1H-inden-1-one derivatives were synthesized by a [5+2−2] decarbonylative cycloaddition of 1H-indene-1,2,3-trione and norbornene via rhodium(i) catalyzed direct carbon–carbon bond cleavage.
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Affiliation(s)
- Zhenzhu Hu
- Department of Chemistry, College of Science, Tianjin University, Tianjin, 300350, P. R. China
| | - Yuhang Wang
- Department of Chemistry, College of Science, Tianjin University, Tianjin, 300350, P. R. China
| | - Peng Ma
- Department of Chemistry, College of Science, Tianjin University, Tianjin, 300350, P. R. China
| | - Jianhui Wang
- Department of Chemistry, College of Science, Tianjin University, Tianjin, 300350, P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), 30072, P. R. China
| | - Guiyan Liu
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules; Key Laboratory of Inorganic–Organic hybrid Functional Material Chemistry; College of Chemistry, Tianjin Normal University, Tianjin, 300387, P. R. China
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26
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Mao G, Meng C, Cheng F, Wu W, Gao YY, Li GW, Liu L. Palladium-Catalyzed Sequential Heck Coupling/C-C Bond Activation Approach to Oxindoles with All-Carbon-Quaternary Centers. Org Biomol Chem 2022; 20:1642-1646. [DOI: 10.1039/d1ob02440j] [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
Catalytic construction of oxindoles bearing all-carbon-quaternary centers draws wide attentions from synthetic community. Herein, we report a Palladium-catalyzed sequential Heck coupling/C-C bond activation of aryl halide-tethered alkenes with benzocyclobutenols affording...
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27
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Rafiee F, Hasani S. Exciting progress in the transition metal‐catalyzed synthesis of oxepines, benzoxepines, dibenzoxepines, and other derivatives. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Fatemeh Rafiee
- Department of Chemistry, Faculty of Physics and Chemistry Alzahra University Tehran Iran
| | - Samira Hasani
- Department of Chemistry, Faculty of Physics and Chemistry Alzahra University Tehran Iran
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28
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Miao WH, Gao WX, Huang XB, Liu MC, Zhou YB, Wu HY. Cascade Ring-Opening Dual Halogenation of Cyclopropenones with Saturated Oxygen Heterocycles. Org Lett 2021; 23:9425-9430. [PMID: 34854694 DOI: 10.1021/acs.orglett.1c03566] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Represented is a CuX2- or I2-promoted ring-opening dual halogenation of cyclopropenones with saturated oxygen heterocycles, providing an efficient method for the synthesis of 3-haloacrylates. The ring-opening reaction enables the construction of two C-X (X = Cl, Br, or I) bonds and a C-O bond as well as the cleavage of two C-O bonds and a C-C bond in a single step. This protocol is highly atom economical, has an excellent substrate scope, and exhibits the ability for gram-scale reaction.
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Affiliation(s)
- Wei-Hang Miao
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, P. R. China
| | - Wen-Xia Gao
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, P. R. China
| | - Xiao-Bo Huang
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, P. R. China
| | - Miao-Chang Liu
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, P. R. China
| | - Yun-Bing Zhou
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, P. R. China
| | - Hua-Yue Wu
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, P. R. China
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29
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Wang L, Zhong Q, Zou Y, Yin Y, Wu A, Chen Q, Zhang K, Jiang J, Zhao M, Zhang H. Carbon-carbon bond activation by B(OMe) 3/B 2pin 2-mediated fragmentation borylation. Chem Sci 2021; 12:15104-15109. [PMID: 34909151 PMCID: PMC8612372 DOI: 10.1039/d1sc04487g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Accepted: 10/26/2021] [Indexed: 11/30/2022] Open
Abstract
Selective carbon–carbon bond activation is important in chemical industry and fundamental organic synthesis, but remains challenging. In this study, non-polar unstrained Csp2–Csp3 and Csp2–Csp2 bond activation was achieved by B(OMe)3/B2pin2-mediated fragmentation borylation. Various indole derivatives underwent C2-regioselective C–C bond activation to afford two C–B bonds under transition-metal-free conditions. Preliminary mechanistic investigations suggested that C–B bond formation and C–C bond cleavage probably occurred in a concerted process. This new reaction mode will stimulate the development of reactions based on inert C–C bond activation. Non-polar unstrained Csp2–Csp3 and Csp2–Csp2 bond activation was achieved via B(OMe)3/B2pin2-mediated fragmentation borylation, in which C–C bond activation occurred regioselectively at the C2-position in various substituted indoles.![]()
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Affiliation(s)
- Li Wang
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education, Hubei Key Laboratory of Catalysis and Materials Science, South-Central University for Nationalities Wuhan 430074 China .,College of Chemistry, Nanchang University Nanchang 330031 China
| | - Qi Zhong
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education, Hubei Key Laboratory of Catalysis and Materials Science, South-Central University for Nationalities Wuhan 430074 China .,College of Chemistry, Nanchang University Nanchang 330031 China
| | - Youliang Zou
- College of Chemistry, Nanchang University Nanchang 330031 China
| | - Youzhi Yin
- College of Chemistry, Nanchang University Nanchang 330031 China
| | - Aizhen Wu
- College of Chemistry, Nanchang University Nanchang 330031 China
| | - Quan Chen
- College of Chemistry, Nanchang University Nanchang 330031 China
| | - Ke Zhang
- College of Chemistry, Nanchang University Nanchang 330031 China
| | - Jiachen Jiang
- College of Chemistry, Nanchang University Nanchang 330031 China
| | - Mengzhen Zhao
- College of Chemistry, Nanchang University Nanchang 330031 China
| | - Hua Zhang
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education, Hubei Key Laboratory of Catalysis and Materials Science, South-Central University for Nationalities Wuhan 430074 China .,College of Chemistry, Nanchang University Nanchang 330031 China
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30
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Elattar KM, El-Mekabaty A. Bicyclic 5-6 Systems: Comprehensive Synthetic Strategies for the Annulations of Pyrazolo[ 1,5-a]pyrimidines. Curr Org Synth 2021; 18:547-586. [PMID: 33966620 DOI: 10.2174/1570179418666210509015108] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 03/16/2021] [Accepted: 03/25/2021] [Indexed: 11/22/2022]
Abstract
Pyrazolopyrimidines are a privileged class of 5-6 bicyclic systems with three or four nitrogen atoms, including four possible isomeric structures. The significance of this class of compounds is that they can be applied in medical and pharmaceutical fields due to their unlimited biological aptitude, hence it is the basic skeleton of several synthetic drugs. The current review aimed to highlight all the synthetic routes that have been applied to construct the pyrazolo[1,5-a]pyrimidine ring systems up to date. The sections in this study included the synthesis of pyrazolo[1,5- a]pyrimidines by condensation reactions of 5-aminopyrazoles with each of β-diketones, 1,5-diketones, β- ketoaldehydes, α-cyanoaldehydes, β-enaminones, enamines, enaminonitriles, ethers, with unsaturated ketones, unsaturated thiones, unsaturated esters, unsaturated dienones "1,2-allenic", unsaturated aldehydes, unsaturated imines, and unsaturated nitriles. The routes adopted to synthesize this class of heterocyclic compounds were extended for ring construction from acyclic reagents and multicomponent reactions under catalytic or catalyst-free conditions.
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Affiliation(s)
- Khaled M Elattar
- Chemistry Department, Faculty of Science, Mansoura University, El-Gomhoria Street, Mansoura, 35516, Egypt
| | - Ahmed El-Mekabaty
- Chemistry Department, Faculty of Science, Mansoura University, El-Gomhoria Street, Mansoura, 35516, Egypt
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31
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Karimzadeh‐Younjali M, Wendt OF. α‐ and β‐Eliminations in Transition Metal Complexes: Strategies to Cleave Unstrained C−C and C−F Bonds. Helv Chim Acta 2021. [DOI: 10.1002/hlca.202100114] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | - Ola F. Wendt
- Centre for Analysis and Synthesis Department of Chemistry Lund University PO Box 124 SE-22100 Lund Sweden
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32
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Ge Y, Ye F, Yang J, Spannenberg A, Jiao H, Jackstell R, Beller M. Palladium-Catalyzed Cascade Carbonylation to α,β-Unsaturated Piperidones via Selective Cleavage of Carbon-Carbon Triple Bonds. Angew Chem Int Ed Engl 2021; 60:22393-22400. [PMID: 34382728 PMCID: PMC8519052 DOI: 10.1002/anie.202108120] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 07/29/2021] [Indexed: 12/23/2022]
Abstract
A direct and selective synthesis of α,β-unsaturated piperidones by a new palladium-catalyzed cascade carbonylation is described. In the presented protocol, easily available propargylic alcohols react with aliphatic amines to provide a broad variety of interesting heterocycles. Key to the success of this transformation is a remarkable catalytic cleavage of the present carbon-carbon triple bond by using a specific catalyst with 2-diphenylphosphinopyridine as ligand and appropriate reaction conditions. Mechanistic studies and control experiments revealed branched unsaturated acid 11 as crucial intermediate.
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Affiliation(s)
- Yao Ge
- Leibniz-Institut für Katalyse e. V.Albert-Einstein-Straße 29a18059RostockGermany
| | - Fei Ye
- Leibniz-Institut für Katalyse e. V.Albert-Einstein-Straße 29a18059RostockGermany
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of EducationKey Laboratory of Organosilicon Material Technology of Zhejiang ProvinceHangzhou Normal UniversityNo. 2318, Yuhangtang Road311121HangzhouP. R. China
| | - Ji Yang
- Leibniz-Institut für Katalyse e. V.Albert-Einstein-Straße 29a18059RostockGermany
| | - Anke Spannenberg
- Leibniz-Institut für Katalyse e. V.Albert-Einstein-Straße 29a18059RostockGermany
| | - Haijun Jiao
- Leibniz-Institut für Katalyse e. V.Albert-Einstein-Straße 29a18059RostockGermany
| | - Ralf Jackstell
- Leibniz-Institut für Katalyse e. V.Albert-Einstein-Straße 29a18059RostockGermany
| | - Matthias Beller
- Leibniz-Institut für Katalyse e. V.Albert-Einstein-Straße 29a18059RostockGermany
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Ge Y, Ye F, Yang J, Spannenberg A, Jiao H, Jackstell R, Beller M. Palladium‐Catalyzed Cascade Carbonylation to α,β‐Unsaturated Piperidones via Selective Cleavage of Carbon–Carbon Triple Bonds. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202108120] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Yao Ge
- Leibniz-Institut für Katalyse e. V. Albert-Einstein-Straße 29a 18059 Rostock Germany
| | - Fei Ye
- Leibniz-Institut für Katalyse e. V. Albert-Einstein-Straße 29a 18059 Rostock Germany
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education Key Laboratory of Organosilicon Material Technology of Zhejiang Province Hangzhou Normal University No. 2318, Yuhangtang Road 311121 Hangzhou P. R. China
| | - Ji Yang
- Leibniz-Institut für Katalyse e. V. Albert-Einstein-Straße 29a 18059 Rostock Germany
| | - Anke Spannenberg
- Leibniz-Institut für Katalyse e. V. Albert-Einstein-Straße 29a 18059 Rostock Germany
| | - Haijun Jiao
- Leibniz-Institut für Katalyse e. V. Albert-Einstein-Straße 29a 18059 Rostock Germany
| | - Ralf Jackstell
- Leibniz-Institut für Katalyse e. V. Albert-Einstein-Straße 29a 18059 Rostock Germany
| | - Matthias Beller
- Leibniz-Institut für Katalyse e. V. Albert-Einstein-Straße 29a 18059 Rostock Germany
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34
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Li R, Li B, Zhang H, Ju CW, Qin Y, Xue XS, Zhao D. A ring expansion strategy towards diverse azaheterocycles. Nat Chem 2021; 13:1006-1016. [PMID: 34282307 DOI: 10.1038/s41557-021-00746-7] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Accepted: 06/01/2021] [Indexed: 02/08/2023]
Abstract
The development of innovative strategies for the synthesis of N-heterocyclic compounds is an important topic in organic synthesis. Ring expansion methods to form large N-heterocycles often involve the cycloaddition of strained aza rings with π bonds. However, in some cases such strategies suffer from some limitations owing to the difficulties in controlling the regioselectivity and the accessibility of specific π-bond synthons. Here, we report the development of a general ring expansion strategy that involves a formal cross-dimerization between three-membered aza heterocycles and three- and four-membered-ring ketones through synergistic bimetallic catalysis. These formal cross-dimerizations of two different strained rings are efficient and scalable, and provide a straightforward and broadly applicable means of assembling diverse N-heterocycles, such as 3-benzazepinones, dihydropyridinones and uracils, which are versatile units in numerous drugs and biologically active compounds. Preliminary mechanistic studies revealed that the C-C bond of strained ring ketones is first cleaved by the Pd0 species during the reaction.
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Affiliation(s)
- Ruirui Li
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, China
| | - Bo Li
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, China
| | - Hongpeng Zhang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, China
| | - Cheng-Wei Ju
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, China
| | - Ying Qin
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, China
| | - Xiao-Song Xue
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, China
| | - Dongbing Zhao
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, China.
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35
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36
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Teng J, Zhu R, Li X, Fu Y. Heterogeneous Cobalt‐Catalyzed C−C Bond Cleavage in Alcohols to Carbonyl Compounds. ChemCatChem 2021. [DOI: 10.1002/cctc.202100950] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Jia‐nan Teng
- Anhui Province Key Laboratory of Biomass Clean Energy CAS Key Laboratory of Urban Pollutant Conversion University of Science and Technology of China Hefei 230026 P. R. China
- Institute of Energy Hefei Comprehensive National Science Center Hefei 230031 P. R. China
| | - Rui Zhu
- Anhui Province Key Laboratory of Biomass Clean Energy CAS Key Laboratory of Urban Pollutant Conversion University of Science and Technology of China Hefei 230026 P. R. China
- Institute of Energy Hefei Comprehensive National Science Center Hefei 230031 P. R. China
| | - Xinglong Li
- Anhui Province Key Laboratory of Biomass Clean Energy CAS Key Laboratory of Urban Pollutant Conversion University of Science and Technology of China Hefei 230026 P. R. China
- Institute of Energy Hefei Comprehensive National Science Center Hefei 230031 P. R. China
| | - Yao Fu
- Anhui Province Key Laboratory of Biomass Clean Energy CAS Key Laboratory of Urban Pollutant Conversion University of Science and Technology of China Hefei 230026 P. R. China
- Institute of Energy Hefei Comprehensive National Science Center Hefei 230031 P. R. China
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37
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Cobalt-catalyzed atom-economical, diastereo- and enantioselective coupling of aldimines and cyclopropanols. Sci China Chem 2021. [DOI: 10.1007/s11426-021-1062-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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38
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Wang Y, Qiu B, Hu L, Lu G, Xu T. Rh-Catalyzed Cascade C–C/C olefin–H Activations and Mechanistic Insight. ACS Catal 2021. [DOI: 10.1021/acscatal.1c02480] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Yuxi Wang
- Molecular Synthesis Center & Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, People’s Republic of China
- Laboratory for Marine Drugs and Bioproducts and Open Studio for Druggability Research of Marine Natural Products, Pilot NLMST, Jimo, Qingdao 266237, People’s Republic of China
| | - Bo Qiu
- Molecular Synthesis Center & Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, People’s Republic of China
- Laboratory for Marine Drugs and Bioproducts and Open Studio for Druggability Research of Marine Natural Products, Pilot NLMST, Jimo, Qingdao 266237, People’s Republic of China
| | - Lingfei Hu
- School of Chemistry and Chemical Engineering, Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, Shandong University, Jinan 250100, People’s Republic of China
| | - Gang Lu
- School of Chemistry and Chemical Engineering, Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, Shandong University, Jinan 250100, People’s Republic of China
| | - Tao Xu
- Molecular Synthesis Center & Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, People’s Republic of China
- Laboratory for Marine Drugs and Bioproducts and Open Studio for Druggability Research of Marine Natural Products, Pilot NLMST, Jimo, Qingdao 266237, People’s Republic of China
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Liu L, Cheng F, Meng C, Zhang AA, Zhang M, Xu K, Ishida N, Murakami M. Pd-Catalyzed Ring-Closing/Ring-Opening Cross Coupling Reactions: Enantioselective Diarylation of Unactivated Olefins. ACS Catal 2021. [DOI: 10.1021/acscatal.1c02277] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Lantao Liu
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
- Henan Engineering Laboratory of Green Synthesis for Pharmaceuticals, College of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu 476000, China
- Beijing National Laboratory for Molecular Sciences (BNLMS), College of Chemistry, Peking University, Beijing 100871, China
| | - Fangyuan Cheng
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Chenxiang Meng
- Henan Engineering Laboratory of Green Synthesis for Pharmaceuticals, College of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu 476000, China
| | - An-An Zhang
- Henan Engineering Laboratory of Green Synthesis for Pharmaceuticals, College of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu 476000, China
| | - Mingliang Zhang
- Henan Engineering Laboratory of Green Synthesis for Pharmaceuticals, College of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu 476000, China
| | - Kai Xu
- Henan Engineering Laboratory of Green Synthesis for Pharmaceuticals, College of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu 476000, China
| | - Naoki Ishida
- Department of Synthetic Chemistry and Biological Chemistry, Kyoto University, Katsura, Kyoto 615-8510, Japan
| | - Masahiro Murakami
- Department of Synthetic Chemistry and Biological Chemistry, Kyoto University, Katsura, Kyoto 615-8510, Japan
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40
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Wagner CJ, Salisbury EA, Schoonover EJ, VanderRoest JP, Johnson JB. Pyridine-directed carbon–carbon single bond activation: Rhodium-catalyzed decarbonylation of aryl and heteroaromatic ketones. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153132] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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41
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Zhang Z, Zhang G, Xiong N, Xue T, Zhang J, Bai L, Guo Q, Zeng R. Oxidative α-C-C Bond Cleavage of 2° and 3° Alcohols to Aromatic Acids with O 2 at Room Temperature via Iron Photocatalysis. Org Lett 2021; 23:2915-2920. [PMID: 33769053 DOI: 10.1021/acs.orglett.1c00556] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
The selective α-C-C bond cleavage of unfunctionalized secondary (2°) and tertiary alcohols (3°) is essential for valorization of macromolecules and biopolymers. We developed a blue-light-driven iron catalysis for aerobic oxidation of 2° and 3° alcohols to acids via α-C-C bond cleavages at room temperature. The first example of oxygenation of the simple tertiary alcohols was reported. The iron catalyst and blue light play critical roles to enable the formation of highly reactive O radicals from alcohols and the consequent two α-C-C bond cleavages.
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42
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Leith GA, Rice AM, Yarbrough BJ, Kittikhunnatham P, Mathur A, Morris NA, Francis MJ, Berseneva AA, Dhull P, Adams RD, Bobo MV, Vannucci AA, Smith MD, Garashchuk S, Shustova NB. "Broken-hearted" carbon bowl via electron shuttle reaction: energetics and electron coupling. Chem Sci 2021; 12:6600-6606. [PMID: 34040735 PMCID: PMC8132954 DOI: 10.1039/d0sc06755e] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Unprecedented one-step C[double bond, length as m-dash]C bond cleavage leading to opening of the buckybowl (π-bowl), that could provide access to carbon-rich structures with previously inaccessible topologies, is reported; highlighting the possibility to implement drastically different synthetic routes to π-bowls in contrast to conventional ones applied for polycyclic aromatic hydrocarbons. Through theoretical modeling, we evaluated the mechanistic pathways feasible for π-bowl planarization and factors that could affect such a transformation including strain and released energies. Through employment of Marcus theory, optical spectroscopy, and crystallographic analysis, we estimated the possibility of charge transfer and electron coupling between "open" corannulene and a strong electron acceptor such as 7,7,8,8-tetracyanoquinodimethane. Alternative to a one-pot solid-state corannulene "unzipping" route, we reported a nine-step solution-based approach for preparation of novel planar "open" corannulene-based derivatives in which electronic structures and photophysical profiles were estimated through the energies and isosurfaces of the frontier natural transition orbitals.
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Affiliation(s)
- Gabrielle A Leith
- Department of Chemistry and Biochemistry, University of South Carolina Columbia South Carolina 29208 USA
| | - Allison M Rice
- Department of Chemistry and Biochemistry, University of South Carolina Columbia South Carolina 29208 USA
| | - Brandon J Yarbrough
- Department of Chemistry and Biochemistry, University of South Carolina Columbia South Carolina 29208 USA
| | - Preecha Kittikhunnatham
- Department of Chemistry and Biochemistry, University of South Carolina Columbia South Carolina 29208 USA
| | - Abhijai Mathur
- Department of Chemistry and Biochemistry, University of South Carolina Columbia South Carolina 29208 USA
| | - Nicholas A Morris
- Department of Chemistry and Biochemistry, University of South Carolina Columbia South Carolina 29208 USA
| | - Megan J Francis
- Department of Chemistry and Biochemistry, University of South Carolina Columbia South Carolina 29208 USA
| | - Anna A Berseneva
- Department of Chemistry and Biochemistry, University of South Carolina Columbia South Carolina 29208 USA
| | - Poonam Dhull
- Department of Chemistry and Biochemistry, University of South Carolina Columbia South Carolina 29208 USA
| | - Richard D Adams
- Department of Chemistry and Biochemistry, University of South Carolina Columbia South Carolina 29208 USA
| | - M Victoria Bobo
- Department of Chemistry and Biochemistry, University of South Carolina Columbia South Carolina 29208 USA
| | - Aaron A Vannucci
- Department of Chemistry and Biochemistry, University of South Carolina Columbia South Carolina 29208 USA
| | - Mark D Smith
- Department of Chemistry and Biochemistry, University of South Carolina Columbia South Carolina 29208 USA
| | - Sophya Garashchuk
- Department of Chemistry and Biochemistry, University of South Carolina Columbia South Carolina 29208 USA
| | - Natalia B Shustova
- Department of Chemistry and Biochemistry, University of South Carolina Columbia South Carolina 29208 USA
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43
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Rammurthy B, Peraka S, Vasu A, Krishna Sai G, Divya Rohini Y, Narender N. Metal‐free Catalytic Esterification of Aryl Alkyl Ketones with Alcohols via Free‐radical Mediated C(sp
3
)−H Bond Oxygenation. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202000691] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Banothu Rammurthy
- Academy of Scientific and Innovative Research, CSIR-HRDG Campus, Sector 19, Kamla Nehru Nagar Ghaziabad 201002, UP India
- C & FC Division CSIR-Indian Institute of Chemical Technology Hyderabad 500007 Telangana India
| | - Swamy Peraka
- Academy of Scientific and Innovative Research, CSIR-HRDG Campus, Sector 19, Kamla Nehru Nagar Ghaziabad 201002, UP India
- C & FC Division CSIR-Indian Institute of Chemical Technology Hyderabad 500007 Telangana India
| | - Amrutham Vasu
- Academy of Scientific and Innovative Research, CSIR-HRDG Campus, Sector 19, Kamla Nehru Nagar Ghaziabad 201002, UP India
- C & FC Division CSIR-Indian Institute of Chemical Technology Hyderabad 500007 Telangana India
| | - Gajula Krishna Sai
- Academy of Scientific and Innovative Research, CSIR-HRDG Campus, Sector 19, Kamla Nehru Nagar Ghaziabad 201002, UP India
- C & FC Division CSIR-Indian Institute of Chemical Technology Hyderabad 500007 Telangana India
| | - Yennamaneni Divya Rohini
- Academy of Scientific and Innovative Research, CSIR-HRDG Campus, Sector 19, Kamla Nehru Nagar Ghaziabad 201002, UP India
- C & FC Division CSIR-Indian Institute of Chemical Technology Hyderabad 500007 Telangana India
| | - Nama Narender
- Academy of Scientific and Innovative Research, CSIR-HRDG Campus, Sector 19, Kamla Nehru Nagar Ghaziabad 201002, UP India
- C & FC Division CSIR-Indian Institute of Chemical Technology Hyderabad 500007 Telangana India
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44
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Chen T, Zheng X, Wang W, Feng Y, Wang Y, Shen J. C-C Bond Cleavage Initiated Cascade Reaction of β-Enaminones: One-Pot Synthesis of 5-Hydroxy-1 H-pyrrol-2(5 H)-ones. J Org Chem 2021; 86:2917-2928. [PMID: 33439021 DOI: 10.1021/acs.joc.0c02832] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
An unprecedented C(CO)-C(Ar) bond cleavage of β-enaminones has been realized under mild and transition-metal-free conditions. The cascade transformation based on this C-C bond cleavage involves 1,3-O/C migration and aerobic hydroxylation and leads to various 5-hydroxy-1H-pyrrol-2(5H)-ones with broad functional group tolerance. The application of this methodology has been showcased by preparing 5-alkoxy-1H-pyrrol-2(5H)-one derivatives and a pyrrolo[2,1-a]isoquinolin-3-one derivative.
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Affiliation(s)
- Ting Chen
- School of Environment and Public Health, Xiamen Key Laboratory of Food and Drug Safety, Xiamen Huaxia University, Xiamen, Fujian 361024, China
| | - Xiujuan Zheng
- School of Environment and Public Health, Xiamen Key Laboratory of Food and Drug Safety, Xiamen Huaxia University, Xiamen, Fujian 361024, China
| | - Wenhua Wang
- School of Environment and Public Health, Xiamen Key Laboratory of Food and Drug Safety, Xiamen Huaxia University, Xiamen, Fujian 361024, China
| | - Yadong Feng
- School of Environment and Public Health, Xiamen Key Laboratory of Food and Drug Safety, Xiamen Huaxia University, Xiamen, Fujian 361024, China
| | - Yanyun Wang
- School of Environment and Public Health, Xiamen Key Laboratory of Food and Drug Safety, Xiamen Huaxia University, Xiamen, Fujian 361024, China
| | - Jinhai Shen
- School of Environment and Public Health, Xiamen Key Laboratory of Food and Drug Safety, Xiamen Huaxia University, Xiamen, Fujian 361024, China.,Fujian Key Laboratory of Molecular Medicine, Huaqiao University, Xiamen, Fujian 361021, China
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45
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Nanda T, Biswal P, Pati BV, Banjare SK, Ravikumar PC. Palladium-Catalyzed C-C Bond Activation of Cyclopropenone: Modular Access to Trisubstituted α,β-Unsaturated Esters and Amides. J Org Chem 2021; 86:2682-2695. [PMID: 33427445 DOI: 10.1021/acs.joc.0c02700] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Strain-driven palladium/N-heterocyclic carbene-catalyzed C-C bond activation of diphenylcyclopropenone (DPC) has been explored for one-step access to trisubstituted α,β-unsaturated esters and amides. The designed transformation works under mild conditions providing exclusively a single stereoisomer. Mechanistic studies support the oxidative addition of the C-C bond of cyclopropenone to in-situ-generated Pd(0) intermediate. We have proved that vinylic hydrogen in the product is coming from phenol/aniline through deuterium-labeling studies. Late-stage functionalization of bioactive molecules such as procaine, estrone, and hymecromone demonstrates the robustness of this protocol.
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Affiliation(s)
- Tanmayee Nanda
- National Institute of Science Education and Research (NISER), HBNI, Bhubaneswar 752050, India
| | - Pragati Biswal
- National Institute of Science Education and Research (NISER), HBNI, Bhubaneswar 752050, India
| | - Bedadyuti Vedvyas Pati
- National Institute of Science Education and Research (NISER), HBNI, Bhubaneswar 752050, India
| | - Shyam Kumar Banjare
- National Institute of Science Education and Research (NISER), HBNI, Bhubaneswar 752050, India
| | - Ponneri Chandrababu Ravikumar
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), HBNI, Bhubaneswar 752050, India
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46
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Wang J, Blaszczyk SA, Li X, Tang W. Transition Metal-Catalyzed Selective Carbon-Carbon Bond Cleavage of Vinylcyclopropanes in Cycloaddition Reactions. Chem Rev 2021; 121:110-139. [PMID: 32786421 PMCID: PMC9576321 DOI: 10.1021/acs.chemrev.0c00160] [Citation(s) in RCA: 141] [Impact Index Per Article: 47.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
In this review, transition metal-catalyzed methodologies and applications that exploit C-C bond cleavage of vinylcyclopropanes (VCPs) are summarized with a focus on cycloaddition and related addition reactions. Transition metals, including palladium, nickel, iron, ruthenium, rhodium, cobalt, and iridium, can catalyze the cleavage of C-C bonds in activated or nonactivated VCPs. Additionally, these bond-breaking reactions can occur as intra- or intermolecular processes. The properties of activated and nonactivated VCPs are discussed in the Introduction. Various transition metal-catalyzed cycloaddition and addition reactions involving the cleavage of C-C bonds in activated VCPs are then discussed in the next chapter. The transition metal-catalyzed cycloadditions involving the cleavage of C-C in nonactivated VCPs are summarized in the following chapter. Finally, challenges and potential opportunities are outlined in the last chapter.
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Affiliation(s)
- Jianhua Wang
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, 44 West Culture Road, 250012 Ji’nan, Shandong, P. R. China
| | - Stephanie A. Blaszczyk
- School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, USA
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Xiaoxun Li
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, 44 West Culture Road, 250012 Ji’nan, Shandong, P. R. China
| | - Weiping Tang
- School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, USA
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI 53706, USA
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47
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Mo J, Messinis AM, Oliveira JCA, Demeshko S, Meyer F, Ackermann L. Iron-Catalyzed Triazole-Enabled C–H Activation with Bicyclopropylidenes. ACS Catal 2021. [DOI: 10.1021/acscatal.0c04748] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jiayu Mo
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
| | - Antonis M. Messinis
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
| | - João C. A. Oliveira
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
| | - Serhiy Demeshko
- Institut für Anorganische Chemie, Georg-August-Universität Göttingen, Tammannstraße 4, 37077 Göttingen, Germany
| | - Franc Meyer
- Institut für Anorganische Chemie, Georg-August-Universität Göttingen, Tammannstraße 4, 37077 Göttingen, Germany
- WISCh (Wöhler-Research Institute for Sustainable Chemistry), Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
- WISCh (Wöhler-Research Institute for Sustainable Chemistry), Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
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48
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Wang W, Cui X, Ma J, Li Y, Wang X. Base-Promoted Ring Expansion Reactions for the Construction of Cycloheptanones through C—C Bond Cleavage. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202101031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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49
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Yang C, Liu Z, Hu X, Xie H, Jiang H, Zeng W. Rh( iii)-Catalyzed Csp 2–Csp 3 bond alkoxylation of α-indolyl alcohols via C–C σ bond cleavage. Org Chem Front 2021. [DOI: 10.1039/d1qo00194a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
A Rh(iii)-catalyzed direct Csp2–Csp3 bond alkoxylation of α-(2-indolyl)alcohols with alcohols has been achieved via C–C sigma bond/C–O single bond switch.
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Affiliation(s)
- Can Yang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510641
- China
| | - Zhipeng Liu
- Key Laboratory of Functional Molecular Engineering of Guangdong Province
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510641
- China
| | - Xinwei Hu
- Key Laboratory of Functional Molecular Engineering of Guangdong Province
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510641
- China
| | - Haisheng Xie
- Key Laboratory of Functional Molecular Engineering of Guangdong Province
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510641
- China
| | - Huanfeng Jiang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510641
- China
| | - Wei Zeng
- Key Laboratory of Functional Molecular Engineering of Guangdong Province
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510641
- China
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Wang J, Wei D, Duan Z, Mathey F. Cleavage of the Inert C(sp 2)-Ar σ-Bond of Alkenes by a Spatial Constrained Interaction with Phosphinidene. J Am Chem Soc 2020; 142:20973-20978. [PMID: 33284022 DOI: 10.1021/jacs.0c11195] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
[1 + 2] cycloaddition is a classical reaction between the electrophilic phosphinidene and an alkene. However, a spatial constraint blocks this well-known reaction and enables an unprecedented chemoselective C(sp2)-Ar σ-bond insertion of the alkene. The theoretical calculations demonstrate that this C-C bond cleavage is energetically feasible and thermodynamically favored through an electrophilic rearrangement and concomitant 1,9-aryl migration without involving any strained intermediate.
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