1
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Wu H, Fujii T, Wang Q, Zhu J. Quaternary Carbon Editing Enabled by Sequential Palladium Migration. J Am Chem Soc 2024; 146:21239-21244. [PMID: 39052260 DOI: 10.1021/jacs.4c07706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2024]
Abstract
Peripheral functionalization of a quaternary carbon via C(sp3)-H bond activation has made significant progress in recent years. However, direct editing of a quaternary carbon through Csp3-Csp3 bond cleavage and refunctionalization of nonstrained acyclic molecules remain underexploited. Herein we report a reaction in which a methyl group attached to a quaternary carbon is shifted to its neighboring secondary carbon with concurrent oxidation of the quaternary C-C single bond to the C═C double bond. Specifically, morpholinyl amide of 2,2-dimethyl alkanoic acids is converted to 2-methylene-3-methyl alkanoic acid derivatives in the presence of a catalytic amount of palladium acetate, Selectfluor and sodium carbonate. Control experiments suggest that the reaction proceeds via a sequence of selective C(sp3)-H activation of the methyl group, oxidation of the resulting C(sp3)-PdII to PdIV intermediate followed by unprecedented 1,3-PdIV migration, 1,2-methyl/PdIV dyotropic rearrangement and finally, β-Hydride elimination. In this domino process, palladium migrates successively from the primary to the secondary and finally to the quaternary carbon, leading to the concurrent functionalization of a primary, a secondary, and a quaternary carbon.
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Affiliation(s)
- Hua Wu
- Laboratory of Synthesis and Natural Products (LSPN), Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL-SB-ISIC-LSPN, BCH5304, CH-1015 Lausanne, Switzerland
- School of Pharmaceutical Sciences, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, P. R. China
| | - Takuji Fujii
- Laboratory of Synthesis and Natural Products (LSPN), Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL-SB-ISIC-LSPN, BCH5304, CH-1015 Lausanne, Switzerland
| | - Qian Wang
- Laboratory of Synthesis and Natural Products (LSPN), Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL-SB-ISIC-LSPN, BCH5304, CH-1015 Lausanne, Switzerland
| | - Jieping Zhu
- Laboratory of Synthesis and Natural Products (LSPN), Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL-SB-ISIC-LSPN, BCH5304, CH-1015 Lausanne, Switzerland
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2
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Wang BL, Zhao H, Wang XW, Xu S. Merging Ring-Opening 1,2-Metallate Shift with Asymmetric C( sp3)-H Borylation of Aziridines. J Am Chem Soc 2024; 146:18879-18885. [PMID: 38968417 DOI: 10.1021/jacs.4c06569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/07/2024]
Abstract
Chiral secondary alkyl amines with a vicinal quaternary stereocenter are undoubtedly important and ubiquitous subunits in natural products and pharmaceuticals. However, their asymmetric synthesis remains a formidable challenge. Herein, we merge the ring-opening 1,2-metallate shift with iridium-catalyzed enantioselective C(sp3)-H borylation of aziridines to deliver these frameworks with high enantioselectivities. We also demonstrated the synthetic application by downstream transformations, including the total synthesis of two Amaryllidaceae alkaloids, (-)-crinane and (+)-mesmebrane.
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Affiliation(s)
- Bai-Lin Wang
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Material Sciences, Soochow University, Suzhou 215123, China
| | - Hongliang Zhao
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xing-Wang Wang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Material Sciences, Soochow University, Suzhou 215123, China
| | - Senmiao Xu
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- College of Material Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou 311121, China
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3
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Hafeez S, Sharma R, Jain S, Sihag N, Bhartiya H, Singh J, Reddy SR, Yadav MR. Pd-Catalyzed Cascade Heck/C(sp 3)-H Activation for Spirocyclopropyl Oxindoles. Org Lett 2024; 26:5069-5073. [PMID: 38847514 DOI: 10.1021/acs.orglett.4c01017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/22/2024]
Abstract
We have demonstrated a Pd(0)-catalyzed Heck/C(sp3)-H activation cascade for the synthesis of spirocyclopropyl oxindoles in high yields from easily accessible ortho-bromoacrylamides. The formation of spirocyclopropyl oxindole is guided by an unconventional four-membered palladacycle through C(sp3)-H activation. The reaction exhibits a wide range of substrate scope and operates efficiently with a mere 0.5 mol % of Pd-catalyst. In addition, the use of microwave conditions facilitates rapid completion of the reaction. Furthermore, this spirocyclopropanation strategy can be coupled with [3 + 2] cycloaddition to produce spiropyrrolidine oxindoles, offering a valuable approach for the preparation of alkaloids such as (±)-horsfiline and (±)-coerulescine.
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Affiliation(s)
- Saleem Hafeez
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Ruchi Sharma
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Swati Jain
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Naveen Sihag
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Hemaang Bhartiya
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Jitendra Singh
- Department of Chemistry, School of Chemical Sciences and Pharmacy, Central University of Rajasthan, NH-8, Bandarsindri, Ajmer, Rajasthan 305817, India
| | - S Rajagopala Reddy
- Department of Chemistry, School of Chemical Sciences and Pharmacy, Central University of Rajasthan, NH-8, Bandarsindri, Ajmer, Rajasthan 305817, India
| | - M Ramu Yadav
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
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4
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Wheatley M, Zuccarello M, Tsitopoulou M, Macgregor SA, Baudoin O. Effect of α-Substitution on the Reactivity of C(sp 3)-H Bonds in Pd 0-Catalyzed C-H Arylation. ACS Catal 2023; 13:12563-12570. [PMID: 37822862 PMCID: PMC10563019 DOI: 10.1021/acscatal.3c03806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 08/22/2023] [Indexed: 10/13/2023]
Abstract
We report mechanistic studies on the reactivity of different α-substituted C(sp3)-H bonds, -CHnR (R = H, Me, CO2Me, CONMe2, OMe, and Ph, as well as the cyclopropyl and isopropyl derivatives -CH(CH2)2 and -CHMe2) in the context of Pd0-catalyzed C(sp3)-H arylation. Primary kinetic isotope effects, kH/kD, were determined experimentally for R = H (3.2) and Me (3.5), and these, along with the determination of reaction orders and computational studies, indicate rate-limiting C-H activation for all substituents except when R = CO2Me. This last result was confirmed experimentally (kH/kD ∼ 1). A reactivity scale for C(sp3)-H activation was then determined: CH2CO2Me > CH(CH2)2 ≥ CH2CONMe2 > CH3 ≫ CH2Ph > CH2Me > CH2OMe ≫ CHMe2. C-H activation involves AMLA/CMD transition states featuring intramolecular O → H-C H-bonding assisted by C-H → Pd agostic bonding. The "AMLA coefficient", χ, is introduced to quantify the energies associated with these interactions via natural bond orbital 2nd order perturbation theory analysis. Higher barriers correlate with lower χ values, which in turn signal a greater agostic interaction in the transition state. We believe that this reactivity scale and the underlying factors that determine this will be of use for future studies in transition-metal-catalyzed C(sp3)-H activation proceeding via the AMLA/CMD mechanism.
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Affiliation(s)
- Matthew Wheatley
- Department
of Chemistry, University of Basel, 4056 Basel, Switzerland
| | - Marco Zuccarello
- Department
of Chemistry, University of Basel, 4056 Basel, Switzerland
| | - Maria Tsitopoulou
- Department
of Chemistry, University of Basel, 4056 Basel, Switzerland
| | - Stuart A. Macgregor
- Institute
of Chemical Sciences, Heriot-Watt University, Edinburgh EH14 4AS, U.K.
| | - Olivier Baudoin
- Department
of Chemistry, University of Basel, 4056 Basel, Switzerland
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5
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Gabbey AL, Scotchburn K, Rousseaux SAL. Metal-catalysed C-C bond formation at cyclopropanes. Nat Rev Chem 2023:10.1038/s41570-023-00499-6. [PMID: 37217564 DOI: 10.1038/s41570-023-00499-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/18/2023] [Indexed: 05/24/2023]
Abstract
Cyclopropanes are important substructures in natural products and pharmaceuticals. Although traditional methods for their incorporation rely on cyclopropanation of an existing scaffold, the advent of transition-metal catalysis has enabled installation of functionalized cyclopropanes using cross-coupling reactions. The unique bonding and structural properties of cyclopropane render it more easily functionalized in transition-metal-catalysed cross-couplings than other C(sp3) substrates. The cyclopropane coupling partner can participate in polar cross-coupling reactions either as a nucleophile (organometallic reagents) or as an electrophile (cyclopropyl halides). More recently, single-electron transformations featuring cyclopropyl radicals have emerged. This Review will provide an overview of transition-metal-catalysed C-C bond formation reactions at cyclopropane, covering both traditional and current strategies, and the benefits and limitations of each.
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Affiliation(s)
- Alexis L Gabbey
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, Toronto, ON, Canada
| | - Katerina Scotchburn
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, Toronto, ON, Canada
| | - Sophie A L Rousseaux
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, Toronto, ON, Canada.
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6
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Gao Q, Xu S. Site- and Stereoselective C(sp 3 )-H Borylation of Strained (Hetero)Cycloalkanols Enabled by Iridium Catalysis. Angew Chem Int Ed Engl 2023; 62:e202218025. [PMID: 36581587 DOI: 10.1002/anie.202218025] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 12/28/2022] [Accepted: 12/29/2022] [Indexed: 12/31/2022]
Abstract
Transition metal-catalyzed site- and stereoselective C-H activation of strained (hetero)cycloalkanes remains a formidable challenge. We herein report a carbamate-directed iridium-catalyzed asymmetric β-C(sp3 )-H borylation of cyclopropanol derivatives. A variety of densely functionalized cyclopropanols were obtained in good enantioselectivities via desymmetrization and kinetic resolution. In addition, site-selective C(sp3 )-H borylation of methine groups furnished α-borylated (hetero)cycloalkanols in moderate to good yields. The synthetic utility of the method was further shown in a gram-scale synthesis and diverse downstream transformations of borylated products.
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Affiliation(s)
- Qian Gao
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Senmiao Xu
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
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7
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Saint-Jacques K, Ladd CL, Charette AB. Access to hexahydroazepinone heterocycles via palladium-catalysed C(sp 3)-H alkenylation/ring-opening of cyclopropanes. Chem Commun (Camb) 2022; 58:7550-7553. [PMID: 35707937 DOI: 10.1039/d2cc01917e] [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
In this communication, we describe the synthesis of novel hexahydroazepinone derivatives starting from two simple building blocks in presence of a readily available palladium catalyst. The reaction proceeds through a selective C(sp3)-H alkenylation/ring-opening process to obtain the seven-membered ring products in good to excellent yields on a wide variety of substrates under batch, microwave, and continuous flow conditions.
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Affiliation(s)
- Kévin Saint-Jacques
- Centre in Green Chemistry and Catalysis, Centre for Continuous Flow Synthesis, Department of Chemistry, Université de Montréal, 1375, av. Thérèse Lavoie-Roux, Montréal, Québec H2V 0B3, Canada.
| | - Carolyn L Ladd
- Centre in Green Chemistry and Catalysis, Centre for Continuous Flow Synthesis, Department of Chemistry, Université de Montréal, 1375, av. Thérèse Lavoie-Roux, Montréal, Québec H2V 0B3, Canada.
| | - André B Charette
- Centre in Green Chemistry and Catalysis, Centre for Continuous Flow Synthesis, Department of Chemistry, Université de Montréal, 1375, av. Thérèse Lavoie-Roux, Montréal, Québec H2V 0B3, Canada.
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8
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Cheng JT, Xiao LJ, Qian SQ, Zhuang Z, Liu A, Yu JQ. Palladium(II)-Catalyzed Selective Arylation of Tertiary C-H Bonds of Cyclobutylmethyl Ketones Using Transient Directing Groups. Angew Chem Int Ed Engl 2022; 61:e202117233. [PMID: 35112447 PMCID: PMC9084898 DOI: 10.1002/anie.202117233] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Indexed: 11/11/2022]
Abstract
We report the first example of selective PdII -catalyzed tertiary C-H activation of cyclobutylmethyl ketones using a transient directing group. An electron-deficient 2-pyridone ligand was identified as the optimal external ligand to enable tertiary C-H activation. A variety of cyclobutylmethyl ketones bearing quaternary carbon centers was readily accessed without preinstalling internal directing groups in up to 81 % yield and >95 : 5 regioisomeric ratios of tertiary C-H arylation to β-methylene (β-methyl) or γ-C-H arylation.
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Affiliation(s)
- Jin-Tang Cheng
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Li-Jun Xiao
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
| | - Shao-Qun Qian
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
| | - Zhe Zhuang
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
| | - An Liu
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Jin-Quan Yu
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
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9
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Cheng J, Xiao L, Qian S, Zhuang Z, Liu A, Yu J. Palladium(II)‐Catalyzed Selective Arylation of Tertiary C−H Bonds of Cyclobutylmethyl Ketones Using Transient Directing Groups. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202117233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Jin‐Tang Cheng
- Department of Chemistry The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA
- Institute of Chinese Materia Medica China Academy of Chinese Medical Sciences Beijing 100700 China
| | - Li‐Jun Xiao
- Department of Chemistry The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - Shao‐Qun Qian
- Department of Chemistry The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - Zhe Zhuang
- Department of Chemistry The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - An Liu
- Institute of Chinese Materia Medica China Academy of Chinese Medical Sciences Beijing 100700 China
| | - Jin‐Quan Yu
- Department of Chemistry The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA
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10
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Ni SF, Huang G, Chen Y, Wright JS, Li M, Dang L. Recent advances in γ-C(sp3)–H bond activation of amides, aliphatic amines, sulfanilamides and amino acids. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2021.214255] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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11
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Liu K, Cheng SJ, Luo G, Ye ZS. Synthesis of 1-Substituted Cyclopropylamines via Formal Tertiary C sp3-H Amination of Cyclopropanes. Org Lett 2021; 23:9309-9314. [PMID: 34779210 DOI: 10.1021/acs.orglett.1c03687] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A novel and facile approach to synthesis of 1-substituted cyclopropylamines via phosphine-catalyzed formal tertiary Csp3-H amination of cyclopropanes was described. The indoles, pyrroles, imidazoles, uracils, 2-pyridone, pyrimidin-4(3H)-one, and phthalimide had been proven as good aminating partners. The present protocol features transition-metal-free, excellent regioselectivity, high-atom-economy, and mild reaction conditions and a broad range of substrates. The practicability of this protocol can also be demonstrated with late-stage modification of bioactive molecules, scaled up reaction, and divergent derivatization. Notably, the method has been used in the formal synthesis of the hormone-sensitive lipase (HSL) inhibitor. The mechanistic aspects were elucidated by both experimental and computational studies.
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Affiliation(s)
- Kui Liu
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, People's Republic of China
| | - Shao-Jie Cheng
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, People's Republic of China
| | - Gen Luo
- Institutes of Physical Science and Information Technology, Anhui University, Hefei, Anhui 230601, People's Republic of China
| | - Zhi-Shi Ye
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, Liaoning 116024, People's Republic of China
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12
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Xia W, Zhao X, Guo L, Yang C. Photoinduced [3+2] Annulation of Alkene with o-Iodoanilines: An Expedient Approach to Indolines. SYNTHESIS-STUTTGART 2021. [DOI: 10.1055/s-0040-1705963] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
AbstractA highly regioselective [3+2] cyclization of alkenes with 2-iodoanilines under the irradiation of UV light is described. This general, metal-free strategy facilitates the direct preparation of 2-mono-/disubstituted indolines as well as spiroindolines through alkene carboamination in one step. Mechanistic studies suggested that the photochemical protocol proceeded via a radical pathway.
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13
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Carvalho RL, Almeida RG, Murali K, Machado LA, Pedrosa LF, Dolui P, Maiti D, da Silva Júnior EN. Removal and modification of directing groups used in metal-catalyzed C–H functionalization: the magical step of conversion into ‘conventional’ functional groups. Org Biomol Chem 2021; 19:525-547. [DOI: 10.1039/d0ob02232b] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This feature review is focused on recent approaches for removing versatile directing groups.
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Affiliation(s)
- Renato L. Carvalho
- Institute of Exact Sciences
- Department of Chemistry
- Federal University of Minas Gerais
- Belo Horizonte
- Brazil
| | - Renata G. Almeida
- Institute of Exact Sciences
- Department of Chemistry
- Federal University of Minas Gerais
- Belo Horizonte
- Brazil
| | - Karunanidhi Murali
- Institute of Exact Sciences
- Department of Chemistry
- Federal University of Minas Gerais
- Belo Horizonte
- Brazil
| | - Luana A. Machado
- Institute of Exact Sciences
- Department of Chemistry
- Federal University of Minas Gerais
- Belo Horizonte
- Brazil
| | | | - Pravas Dolui
- Department of Chemistry
- IIT Bombay
- Mumbai 400076
- India
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14
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Ball LT, Corrie TJA, Cresswell AJ, Lloyd-Jones GC. Kinetic Analysis of Domino Catalysis: A Case Study on Gold-Catalyzed Arylation. ACS Catal 2020. [DOI: 10.1021/acscatal.0c03178] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Liam T. Ball
- EaStChem, University of Edinburgh, Joseph Black
Building, David Brewster Road, Edinburgh EH9 3FJ, United Kingdom
| | - Tom J. A. Corrie
- EaStChem, University of Edinburgh, Joseph Black
Building, David Brewster Road, Edinburgh EH9 3FJ, United Kingdom
| | - Alexander J. Cresswell
- EaStChem, University of Edinburgh, Joseph Black
Building, David Brewster Road, Edinburgh EH9 3FJ, United Kingdom
| | - Guy C. Lloyd-Jones
- EaStChem, University of Edinburgh, Joseph Black
Building, David Brewster Road, Edinburgh EH9 3FJ, United Kingdom
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15
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Wen JB, Du DM. Squaramide-catalysed asymmetric cascade reactions of 2,3-dioxopyrrolidines with 3-chlorooxindoles. Org Biomol Chem 2020; 18:1647-1656. [DOI: 10.1039/c9ob02663k] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient squaramide-catalysed asymmetric Michael addition/cyclization cascade reaction of 3-chlorooxindoles with 2,3-dioxopyrrolidines produced the corresponding chiral spiro-compounds in high yields with excellent stereoselectivities.
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Affiliation(s)
- Jiang-Bo Wen
- School of Chemistry and Chemical Engineering
- Beijing Institute of Technology
- Beijing 100081
- P. R. China
| | - Da-Ming Du
- School of Chemistry and Chemical Engineering
- Beijing Institute of Technology
- Beijing 100081
- P. R. China
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16
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Tong HR, Zheng S, Li X, Deng Z, Wang H, He G, Peng Q, Chen G. Pd(0)-Catalyzed Bidentate Auxiliary Directed Enantioselective Benzylic C–H Arylation of 3-Arylpropanamides Using the BINOL Phosphoramidite Ligand. ACS Catal 2018. [DOI: 10.1021/acscatal.8b03654] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Hua-Rong Tong
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Sujuan Zheng
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Xinghua Li
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Zhiqiang Deng
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Hao Wang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Gang He
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Qian Peng
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Gong Chen
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300071, China
- Department of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
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17
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Chu JCK, Rovis T. Complementary Strategies for Directed C(sp 3 )-H Functionalization: A Comparison of Transition-Metal-Catalyzed Activation, Hydrogen Atom Transfer, and Carbene/Nitrene Transfer. Angew Chem Int Ed Engl 2018; 57:62-101. [PMID: 29206316 PMCID: PMC5853126 DOI: 10.1002/anie.201703743] [Citation(s) in RCA: 483] [Impact Index Per Article: 80.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Indexed: 01/07/2023]
Abstract
The functionalization of C(sp3 )-H bonds streamlines chemical synthesis by allowing the use of simple molecules and providing novel synthetic disconnections. Intensive recent efforts in the development of new reactions based on C-H functionalization have led to its wider adoption across a range of research areas. This Review discusses the strengths and weaknesses of three main approaches: transition-metal-catalyzed C-H activation, 1,n-hydrogen atom transfer, and transition-metal-catalyzed carbene/nitrene transfer, for the directed functionalization of unactivated C(sp3 )-H bonds. For each strategy, the scope, the reactivity of different C-H bonds, the position of the reacting C-H bonds relative to the directing group, and stereochemical outcomes are illustrated with examples in the literature. The aim of this Review is to provide guidance for the use of C-H functionalization reactions and inspire future research in this area.
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Affiliation(s)
- John C K Chu
- Department of Chemistry, Colorado State University, Fort Collins, CO, 80523, USA
| | - Tomislav Rovis
- Department of Chemistry, Columbia University, 3000 Broadway, New York, NY, 10027, USA
- Department of Chemistry, Colorado State University, Fort Collins, CO, 80523, USA
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18
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Chu JCK, Rovis T. Komplementäre Strategien für die dirigierte C(sp3)-H-Funktionalisierung: ein Vergleich von übergangsmetallkatalysierter Aktivierung, Wasserstoffatomtransfer und Carben- oder Nitrentransfer. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201703743] [Citation(s) in RCA: 144] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- John C. K. Chu
- Department of Chemistry; Colorado State University; Fort Collins CO 80523 USA
| | - Tomislav Rovis
- Department of Chemistry; Columbia University; 3000 Broadway New York NY 10027 USA
- Department of Chemistry; Colorado State University; Fort Collins CO 80523 USA
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19
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Abstract
The catalytic activation and functionalization of unactivated C(sp3)-H bonds of alkyl groups has undergone intense development in recent years. In particular, a variety of directing groups as well as native functional groups have been employed in combination with palladium(II) catalysis in order to perform a variety of intermolecular, and to some extent intramolecular reactions. In parallel, inspired by precedents in C(sp2)-H arylation, our group and others have developed a different approach, which is the focus of this Account. This strategy relies on the use of oxidative addition of a carbon-leaving group bond to palladium(0) to induce intramolecular C(sp3)-H activation and the subsequent formation of a C(sp2)-C(sp3) or C(sp3)-C(sp3) bond. Since our first publication in 2003, the construction of olefins and, more interestingly, of an array of valuable monocyclic and polycyclic systems has been reported according to this principle. (Hetero)aryl bromides were initially employed as reactants, but the scope was later expanded to include (hetero)aryl chlorides and triflates, alkenyl bromides, carbamoyl chlorides and α-chloroamides. Mechanistic studies enabled a better understanding of the C-H activation step, which was proposed to occur through ambiphilic metal-ligand activation-6 (AMLA-6), also known as concerted metalation deprotonation (CMD), and a better rationalization of the observed selectivity patterns. Moreover, the wealth of accumulated experimental data indicate that the number of atoms separating the C-H bond from Pd and the type of C-H bond are the main factors controlling the site-selectivity of the C-H bond cleavage. Recent efforts have been devoted to the development of enantioselective reactions. To this purpose, two different strategies have been employed: a chiral ancillary ligand in combination with an achiral base, and a chiral base in combination with an achiral ligand, and allowed for the achievement of high enantioselectivities in the construction of both tri- and tetrasubstituted stereocenters. On the other hand, the current C-H activation-based ring-forming method was applied to the synthesis of pharmacologically active substances and agrochemicals, as well as complex natural products such as the aeruginosins, thereby demonstrating its great potential for step-economical organic synthesis.
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Affiliation(s)
- Olivier Baudoin
- Department of Chemistry, University of Basel, St. Johanns-Ring 19, CH-4056 Basel, Switzerland
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20
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Noroozi Pesyan N, Rashidnejad H. Decades of synthesis and application of spiro cyclopropanes. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2017. [DOI: 10.1007/s13738-017-1086-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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21
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Mandal A, Mondal SK, Jana A, Manna SK, Ali SA, Samanta S. Pd-catalyzed C-H Arylation: A General Route for the Synthesis of Benzo[b
]carbazolenaphthoquinones. J Heterocycl Chem 2017. [DOI: 10.1002/jhet.2832] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Arabinda Mandal
- Department of Chemistry; Bidhannagar College; Kolkata 700064 India
| | | | - Akash Jana
- Department of Chemistry; Haldia Govt. College; Haldia 721657 India
| | | | - Sk Asraf Ali
- Department of Chemistry; Haldia Govt. College; Haldia 721657 India
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22
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Zhang Z, Zhang Y, Huang G, Zhang G. Organoiodine reagent-promoted intermolecular oxidative amination: synthesis of cyclopropyl spirooxindoles. Org Chem Front 2017. [DOI: 10.1039/c7qo00156h] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An organoiodine-promoted intramolecular direct oxidative C(sp2)–N cross-coupling reaction was developed for the preparation of cyclopropyl spirooxindoles from readily available secondary cyclopropyl carboxamides.
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Affiliation(s)
- Zhiguo Zhang
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals
- Key Laboratory of Green Chemical Media and Reactions
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Henan Normal University
| | - Yongchao Zhang
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals
- Key Laboratory of Green Chemical Media and Reactions
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Henan Normal University
| | - Guoqing Huang
- Handan Purification Equipment Research Institute
- Handan
- P. R. China
| | - Guisheng Zhang
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals
- Key Laboratory of Green Chemical Media and Reactions
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Henan Normal University
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23
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He J, Wasa M, Chan KSL, Shao Q, Yu JQ. Palladium-Catalyzed Transformations of Alkyl C-H Bonds. Chem Rev 2016; 117:8754-8786. [PMID: 28697604 DOI: 10.1021/acs.chemrev.6b00622] [Citation(s) in RCA: 1463] [Impact Index Per Article: 182.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
This Review summarizes the advancements in Pd-catalyzed C(sp3)-H activation via various redox manifolds, including Pd(0)/Pd(II), Pd(II)/Pd(IV), and Pd(II)/Pd(0). While few examples have been reported in the activation of alkane C-H bonds, many C(sp3)-H activation/C-C and C-heteroatom bond forming reactions have been developed by the use of directing group strategies to control regioselectivity and build structural patterns for synthetic chemistry. A number of mono- and bidentate ligands have also proven to be effective for accelerating C(sp3)-H activation directed by weakly coordinating auxiliaries, which provides great opportunities to control reactivity and selectivity (including enantioselectivity) in Pd-catalyzed C-H functionalization reactions.
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Affiliation(s)
- Jian He
- Department of Chemistry, The Scripps Research Institute , 10550 N. Torrey Pines Road, La Jolla, California 92037, United States
| | - Masayuki Wasa
- Department of Chemistry, The Scripps Research Institute , 10550 N. Torrey Pines Road, La Jolla, California 92037, United States
| | - Kelvin S L Chan
- Department of Chemistry, The Scripps Research Institute , 10550 N. Torrey Pines Road, La Jolla, California 92037, United States
| | - Qian Shao
- Department of Chemistry, The Scripps Research Institute , 10550 N. Torrey Pines Road, La Jolla, California 92037, United States
| | - Jin-Quan Yu
- Department of Chemistry, The Scripps Research Institute , 10550 N. Torrey Pines Road, La Jolla, California 92037, United States
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24
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Bisht N, Babu SA. Synthesis of ortho-arylated/benzylated arylacetamide derivatives: Pd(OAc)2-catalyzed bidentate ligand-aided arylation and benzylation of the γ-CH bond of arylacetamides. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.08.026] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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25
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Mohan S, Gopalakrishnan B, Babu SA. Multicomponent reaction comprising one-pot installation of bidentate directing group and Pd(II)-catalyzed direct β-arylation of C(sp3) H bond of aliphatic and alicyclic carboxamides. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.08.010] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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26
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Pedroni J, Cramer N. TADDOL-based phosphorus(III)-ligands in enantioselective Pd(0)-catalysed C-H functionalisations. Chem Commun (Camb) 2016; 51:17647-57. [PMID: 26511604 DOI: 10.1039/c5cc07929b] [Citation(s) in RCA: 94] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Monodentate TADDOL-derived phosphoramidites and phosphonites are versatile chiral ligands for enantioselective Pd(0)-catalysed C-H functionalisations. They enable highly selective cyclisations to access a wide range of chiral carbo- and heterocycles. The high attractiveness of this ligand class consists in their modular structure, allowing for a quick assembly of a library with variable steric properties. Asymmetric C-H functionalisation methods utilising catalytic systems based on Pd(0) complexes and TADDOL-type ligands are presented and aspects of selectivity are discussed.
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Affiliation(s)
- Julia Pedroni
- Laboratory of Asymmetric Catalysis and Synthesis, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSA, BCH 4305, CH-1015 Lausanne, Switzerland.
| | - Nicolai Cramer
- Laboratory of Asymmetric Catalysis and Synthesis, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSA, BCH 4305, CH-1015 Lausanne, Switzerland.
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27
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Ren Z, Dong G. Direct Observation of C–H Cyclopalladation at Tertiary Positions Enabled by an Exo-Directing Group. Organometallics 2016. [DOI: 10.1021/acs.organomet.6b00185] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Zhi Ren
- Department
of Chemistry, University of Texas at Austin, Austin, Texas 78712, United States
| | - Guangbin Dong
- Department
of Chemistry, University of Texas at Austin, Austin, Texas 78712, United States
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28
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Holstein PM, Dailler D, Vantourout J, Shaya J, Millet A, Baudoin O. Synthesis of Strained γ-Lactams by Palladium(0)-Catalyzed C(sp(3) )-H Alkenylation and Application to Alkaloid Synthesis. Angew Chem Int Ed Engl 2016; 55:2805-9. [PMID: 26799445 DOI: 10.1002/anie.201511457] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2015] [Indexed: 11/10/2022]
Abstract
A variety of strained α-alkylidene-γ-lactams were synthesized by palladium(0)-catalyzed intramolecular C(sp(3) )-H alkenylation from easily accessible acyclic and monocyclic bromoalkene precursors. These lactams are valuable intermediates for accessing various classes of mono- and bicylic alkaloids containing a pyrrolidine ring, as illustrated with the synthesis of an advanced model of the marine natural product plakoridine A and of the indolizidine alkaloid δ-coniceine.
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Affiliation(s)
- Philipp M Holstein
- Université Claude Bernard Lyon 1, CNRS UMR 5246, Institut de Chimie et Biochimie Moléculaires et Supramoléculaires, CPE Lyon, 43 Boulevard du 11 Novembre 1918, 69622, Villeurbanne, France
| | - David Dailler
- Université Claude Bernard Lyon 1, CNRS UMR 5246, Institut de Chimie et Biochimie Moléculaires et Supramoléculaires, CPE Lyon, 43 Boulevard du 11 Novembre 1918, 69622, Villeurbanne, France.,University of Basel, Department of Chemistry, St. Johanns-Ring 19, 4056, Basel, Switzerland
| | - Julien Vantourout
- Université Claude Bernard Lyon 1, CNRS UMR 5246, Institut de Chimie et Biochimie Moléculaires et Supramoléculaires, CPE Lyon, 43 Boulevard du 11 Novembre 1918, 69622, Villeurbanne, France
| | - Janah Shaya
- Université Claude Bernard Lyon 1, CNRS UMR 5246, Institut de Chimie et Biochimie Moléculaires et Supramoléculaires, CPE Lyon, 43 Boulevard du 11 Novembre 1918, 69622, Villeurbanne, France
| | - Anthony Millet
- Université Claude Bernard Lyon 1, CNRS UMR 5246, Institut de Chimie et Biochimie Moléculaires et Supramoléculaires, CPE Lyon, 43 Boulevard du 11 Novembre 1918, 69622, Villeurbanne, France
| | - Olivier Baudoin
- Université Claude Bernard Lyon 1, CNRS UMR 5246, Institut de Chimie et Biochimie Moléculaires et Supramoléculaires, CPE Lyon, 43 Boulevard du 11 Novembre 1918, 69622, Villeurbanne, France. .,University of Basel, Department of Chemistry, St. Johanns-Ring 19, 4056, Basel, Switzerland.
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29
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Holstein PM, Dailler D, Vantourout J, Shaya J, Millet A, Baudoin O. Synthesis of Strained γ-Lactams by Palladium(0)-Catalyzed C(sp3
)−H Alkenylation and Application to Alkaloid Synthesis. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201511457] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Philipp M. Holstein
- Université Claude Bernard Lyon 1; CNRS UMR 5246, Institut de Chimie et Biochimie Moléculaires et Supramoléculaires, CPE Lyon; 43 Boulevard du 11 Novembre 1918 69622 Villeurbanne France
| | - David Dailler
- Université Claude Bernard Lyon 1; CNRS UMR 5246, Institut de Chimie et Biochimie Moléculaires et Supramoléculaires, CPE Lyon; 43 Boulevard du 11 Novembre 1918 69622 Villeurbanne France
- University of Basel; Department of Chemistry; St. Johanns-Ring 19 4056 Basel Switzerland
| | - Julien Vantourout
- Université Claude Bernard Lyon 1; CNRS UMR 5246, Institut de Chimie et Biochimie Moléculaires et Supramoléculaires, CPE Lyon; 43 Boulevard du 11 Novembre 1918 69622 Villeurbanne France
| | - Janah Shaya
- Université Claude Bernard Lyon 1; CNRS UMR 5246, Institut de Chimie et Biochimie Moléculaires et Supramoléculaires, CPE Lyon; 43 Boulevard du 11 Novembre 1918 69622 Villeurbanne France
| | - Anthony Millet
- Université Claude Bernard Lyon 1; CNRS UMR 5246, Institut de Chimie et Biochimie Moléculaires et Supramoléculaires, CPE Lyon; 43 Boulevard du 11 Novembre 1918 69622 Villeurbanne France
| | - Olivier Baudoin
- Université Claude Bernard Lyon 1; CNRS UMR 5246, Institut de Chimie et Biochimie Moléculaires et Supramoléculaires, CPE Lyon; 43 Boulevard du 11 Novembre 1918 69622 Villeurbanne France
- University of Basel; Department of Chemistry; St. Johanns-Ring 19 4056 Basel Switzerland
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30
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Hoshiya N, Takenaka K, Shuto S, Uenishi J. Pd(II)-Catalyzed Alkylation of Tertiary Carbon via Directing-Group-Mediated C(sp3)–H Activation: Synthesis of Chiral 1,1,2-Trialkyl Substituted Cyclopropanes. Org Lett 2015; 18:48-51. [DOI: 10.1021/acs.orglett.5b03229] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Naoyuki Hoshiya
- Department
of Pharmaceutical Chemistry, Kyoto Pharmaceutical University, Misasagi, Yamashina, Kyoto 607-8412, Japan
| | - Kei Takenaka
- Department
of Pharmaceutical Chemistry, Kyoto Pharmaceutical University, Misasagi, Yamashina, Kyoto 607-8412, Japan
| | - Satoshi Shuto
- Faculty
of Pharmaceutical Sciences, Hokkaido University, Kita 12, Nishi 6, Kita-ku, Sapporo, 060-0812, Japan
- Center
for Research and Education on Drug Discovery, Hokkaido University, Kita 12, Nishi
6, Kita-ku, Sapporo, 060-0812, Japan
| | - Jun’ichi Uenishi
- Department
of Pharmaceutical Chemistry, Kyoto Pharmaceutical University, Misasagi, Yamashina, Kyoto 607-8412, Japan
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31
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Gopalakrishnan B, Babu SA, Padmavathi R. Bidentate ligand 8-aminoquinoline-aided Pd-catalyzed diastereoselective β-arylation of the prochiral secondary sp3 C–H bonds of 2-phenylbutanamides and related aliphatic carboxamides. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.08.049] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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32
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Pedroni J, Saget T, Donets PA, Cramer N. Enantioselective palladium(0)-catalyzed intramolecular cyclopropane functionalization: access to dihydroquinolones, dihydroisoquinolones and the BMS-791325 ring system. Chem Sci 2015; 6:5164-5171. [PMID: 29142735 PMCID: PMC5667185 DOI: 10.1039/c5sc01909e] [Citation(s) in RCA: 87] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Accepted: 06/17/2015] [Indexed: 01/20/2023] Open
Abstract
Taddol-based phosphoramidite ligands enable enantioselective palladium(0)-catalyzed C-H arylation of cyclopropanes. The cyclized products are obtained in high yields and enantioselectivities. The reported method provides efficient access to a broad range of synthetically attractive cyclopropyl containing dihydroquinolones and dihydroisoquinolones as well as allows for an efficient enantioselective construction of the 7-membered ring of the cyclopropyl indolobenzazepine core of BMS-791325.
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Affiliation(s)
- J Pedroni
- Laboratory of Asymmetric Catalysis and Synthesis , Institute of Chemical Sciences and Engineering , Ecole Polytechnique Fédérale de Lausanne , EPFL SB ISIC LCSA, BCH 4305 , CH-1015 Lausanne , Switzerland .
| | - T Saget
- Laboratory of Asymmetric Catalysis and Synthesis , Institute of Chemical Sciences and Engineering , Ecole Polytechnique Fédérale de Lausanne , EPFL SB ISIC LCSA, BCH 4305 , CH-1015 Lausanne , Switzerland .
| | - P A Donets
- Laboratory of Asymmetric Catalysis and Synthesis , Institute of Chemical Sciences and Engineering , Ecole Polytechnique Fédérale de Lausanne , EPFL SB ISIC LCSA, BCH 4305 , CH-1015 Lausanne , Switzerland .
| | - N Cramer
- Laboratory of Asymmetric Catalysis and Synthesis , Institute of Chemical Sciences and Engineering , Ecole Polytechnique Fédérale de Lausanne , EPFL SB ISIC LCSA, BCH 4305 , CH-1015 Lausanne , Switzerland .
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33
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Pedroni J, Cramer N. Chiral γ-Lactams by Enantioselective Palladium(0)-Catalyzed Cyclopropane Functionalizations. Angew Chem Int Ed Engl 2015; 54:11826-9. [PMID: 26271618 DOI: 10.1002/anie.201505916] [Citation(s) in RCA: 116] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2015] [Indexed: 01/16/2023]
Abstract
Cyclopropanes fused to pyrrolidines are important structural features found in a number of marketed drugs and development candidates. Typically, their synthesis involves the cyclopropanation of a dihydropyrrole precursor. Reported herein is a complementary approach which employs a palladium(0)-catalyzed C-H functionalization of an achiral cyclopropane to close the pyrrolidine ring in an enantioselective manner. In contrast to aryl-aryl couplings, palladium(0)-catalyzed C-H functionalizations involving the formation of C(sp(3) )-C(sp(3) ) bonds of saturated heterocycles are very scarce. The presented strategy yields cyclopropane-fused γ-lactams from chloroacetamide substrates. A bulky Taddol phosphonite ligand in combination with adamantane-1-carboxylic acid as a cocatalyst provides the γ-lactams in excellent yields and enantioselectivities.
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Affiliation(s)
- Julia Pedroni
- Laboratory of Asymmetric Catalysis and Synthesis, EPFL SB ISIC LCSA, BCH 4305, 1015 Lausanne (Switzerland) http://isic.epfl.ch/lcsa
| | - Nicolai Cramer
- Laboratory of Asymmetric Catalysis and Synthesis, EPFL SB ISIC LCSA, BCH 4305, 1015 Lausanne (Switzerland) http://isic.epfl.ch/lcsa.
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34
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Pedroni J, Cramer N. Chiral γ-Lactams by Enantioselective Palladium(0)-Catalyzed Cyclopropane Functionalizations. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201505916] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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35
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Yadav AK, Yadav LDS. Direct construction of 2-alkylbenzo-1,3-azoles via C–H activation of alkanes for C–C and C–X (X = O, S) bond formation. Org Biomol Chem 2015; 13:2606-11. [DOI: 10.1039/c4ob02488e] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
2-Alkylated benzo(oxa)thiazoles were prepared directly from simple alkanes and aryl isocyanates/isothiocyanates in a one-pot procedure.
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Affiliation(s)
- Arvind K. Yadav
- Green Synthesis Lab
- Department of Chemistry
- University of Allahabad
- Allahabad-211002
- India
| | - Lal Dhar S. Yadav
- Green Synthesis Lab
- Department of Chemistry
- University of Allahabad
- Allahabad-211002
- India
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36
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Sustac Roman D, Charette AB. Catalytic C–H Bond Functionalization of Cyclopropane Derivatives. TOP ORGANOMETAL CHEM 2015. [DOI: 10.1007/3418_2015_118] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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37
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St Denis JD, Zajdlik A, Tan J, Trinchera P, Lee CF, He Z, Adachi S, Yudin AK. Boron-containing enamine and enamide linchpins in the synthesis of nitrogen heterocycles. J Am Chem Soc 2014; 136:17669-73. [PMID: 25422871 DOI: 10.1021/ja510963k] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The use of α-boryl enamine and enamide linchpins in the synthesis of nitrogen heterocycles has been demonstrated. Boryl enamines provide ready access to the corresponding α-halo aldehydes, which undergo regioselective annulation to form borylated thiazoles. A condensation/amidation sequence converts α-boryl aldehydes into stable α-boryl enamides without concomitant C → N migration. We also show that palladium-catalyzed cyclization of α-boryl enamides leads to synthetically versatile isoindolones. These molecules can be subsequently used to access polycyclic scaffolds.
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Affiliation(s)
- Jeffrey D St Denis
- Davenport Research Laboratories, Department of Chemistry, University of Toronto , 80 St. George Street, Toronto, Ontario, Canada M5S 3H6
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38
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Katayev D, Larionov E, Nakanishi M, Besnard C, Kündig EP. Palladium-N-Heterocyclic Carbene (NHC)-Catalyzed Asymmetric Synthesis of Indolines through Regiodivergent C(sp3)H Activation: Scope and DFT Study. Chemistry 2014; 20:15021-30. [DOI: 10.1002/chem.201403985] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2014] [Indexed: 11/07/2022]
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39
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Murakami R, Tsunoda K, Iwai T, Sawamura M. Stereoselective CH Borylations of Cyclopropanes and Cyclobutanes with Silica-Supported Monophosphane-Ir Catalysts. Chemistry 2014; 20:13127-31. [DOI: 10.1002/chem.201404362] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2014] [Indexed: 01/16/2023]
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40
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Janody S, Jazzar R, Comte A, Holstein PM, Vors JP, Ford MJ, Baudoin O. Synthesis of 1-Indanols and 1-Indanamines by Intramolecular Palladium(0)-Catalyzed C(sp3)H Arylation: Impact of Conformational Effects. Chemistry 2014; 20:11084-90. [DOI: 10.1002/chem.201402907] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2014] [Indexed: 11/07/2022]
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41
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Tsukano C, Okuno M, Nishiguchi H, Takemoto Y. Palladium(0)‐Catalyzed CarbonHydrogen Bond Functionalization for the Synthesis of Indoloquinazolinones. Adv Synth Catal 2014. [DOI: 10.1002/adsc.201400078] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Chihiro Tsukano
- Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida, Sakyo‐ku, Kyoto 606‐8501, Japan, Fax: (+81)‐(0)75‐753‐4532
| | - Masataka Okuno
- Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida, Sakyo‐ku, Kyoto 606‐8501, Japan, Fax: (+81)‐(0)75‐753‐4532
| | - Hiromi Nishiguchi
- Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida, Sakyo‐ku, Kyoto 606‐8501, Japan, Fax: (+81)‐(0)75‐753‐4532
| | - Yoshiji Takemoto
- Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida, Sakyo‐ku, Kyoto 606‐8501, Japan, Fax: (+81)‐(0)75‐753‐4532
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42
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Gutekunst WR, Baran PS. Applications of C-H functionalization logic to cyclobutane synthesis. J Org Chem 2014; 79:2430-52. [PMID: 24548142 PMCID: PMC3985916 DOI: 10.1021/jo4027148] [Citation(s) in RCA: 150] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2013] [Indexed: 02/08/2023]
Abstract
The application of C-H functionalization logic to target-oriented synthesis provides an exciting new venue for the development of new and useful strategies in organic chemistry. In this article, C-H functionalization reactions are explored as an alternative approach to access pseudodimeric cyclobutane natural products, such as the dictazole and the piperarborenine families. The use of these strategies in a variety of complex settings highlights the subtle geometric, steric, and electronic effects at play in the auxiliary guided C-H functionalization of cyclobutanes.
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Affiliation(s)
- Will R. Gutekunst
- Department
of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Phil S. Baran
- Department
of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
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43
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Rossi R, Bellina F, Lessi M, Manzini C. Cross-Coupling of Heteroarenes by CH Functionalization: Recent Progress towards Direct Arylation and Heteroarylation Reactions Involving Heteroarenes Containing One Heteroatom. Adv Synth Catal 2014. [DOI: 10.1002/adsc.201300922] [Citation(s) in RCA: 366] [Impact Index Per Article: 36.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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44
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Hoshiya N, Kobayashi T, Arisawa M, Shuto S. Palladium-Catalyzed Arylation of Cyclopropanes via Directing Group-Mediated C(sp3)–H Bond Activation To Construct Quaternary Carbon Centers: Synthesis of cis- and trans-1,1,2-Trisubstituted Chiral Cyclopropanes. Org Lett 2013; 15:6202-5. [DOI: 10.1021/ol4030452] [Citation(s) in RCA: 64] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Naoyuki Hoshiya
- Faculty of Pharmaceutical Sciences and Center for Research and Education on Drug Development, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan
| | - Takaaki Kobayashi
- Faculty of Pharmaceutical Sciences and Center for Research and Education on Drug Development, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan
| | - Mitsuhiro Arisawa
- Faculty of Pharmaceutical Sciences and Center for Research and Education on Drug Development, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan
| | - Satoshi Shuto
- Faculty of Pharmaceutical Sciences and Center for Research and Education on Drug Development, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan
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45
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Zhao J, Zhou W, Han J, Li G, Pan Y. Iron-catalyzed alkenylation of cyclic ethers via decarboxylative sp3(C)–sp2(C) coupling. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2013.09.082] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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46
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Zhao J, Fang H, Han J, Pan Y. Iron-catalyzed decarboxylative alkenylation of cycloalkanes with arylvinyl carboxylic acids via a radical process. Beilstein J Org Chem 2013; 9:1718-23. [PMID: 24062833 PMCID: PMC3778410 DOI: 10.3762/bjoc.9.197] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2013] [Accepted: 08/02/2013] [Indexed: 12/28/2022] Open
Abstract
A Fe(acac)3-catalyzed decarboxylative coupling of 2-(aryl)vinyl carboxylic acids with cycloalkanes was developed by using DTBP as an oxidant through a radical process. This reaction tolerates a wide range of substrates, and products are obtained in good to excellent yields (71–95%). The reaction also shows excellent stereoselectivity, and only trans-isomers are obtained.
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Affiliation(s)
- Jiancan Zhao
- School of Chemistry and Chemical Engineering, State of Key Laboratory of Coordination, Nanjing University, Nanjing, 210093, China
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47
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Smith MW, Snyder SA. A Concise Total Synthesis of (+)-Scholarisine A Empowered by a Unique C–H Arylation. J Am Chem Soc 2013; 135:12964-7. [DOI: 10.1021/ja406546k] [Citation(s) in RCA: 123] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Myles W. Smith
- Department of Chemistry, Columbia University, Havemeyer Hall, 3000 Broadway,
New York, New York 10027, United
States
| | - Scott A. Snyder
- Department of Chemistry, Columbia University, Havemeyer Hall, 3000 Broadway,
New York, New York 10027, United
States
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48
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Roman DS, Charette AB. C–H Functionalization of Cyclopropanes: A Practical Approach Employing a Picolinamide Auxiliary. Org Lett 2013; 15:4394-7. [DOI: 10.1021/ol401931s] [Citation(s) in RCA: 81] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Daniela Sustac Roman
- Centre in Green Chemistry and Catalysis, Department of Chemistry, Université de Montréal, P.O. Box 6128 Station Downtown, Montréal, Québec H3C 3J7, Canada
| | - André B. Charette
- Centre in Green Chemistry and Catalysis, Department of Chemistry, Université de Montréal, P.O. Box 6128 Station Downtown, Montréal, Québec H3C 3J7, Canada
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49
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Petrone DA, Lischka M, Lautens M. Harnessing Reversible Oxidative Addition: Application of Diiodinated Aromatic Compounds in the Carboiodination Process. Angew Chem Int Ed Engl 2013; 52:10635-8. [DOI: 10.1002/anie.201304923] [Citation(s) in RCA: 84] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2013] [Revised: 07/11/2013] [Indexed: 11/08/2022]
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50
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Petrone DA, Lischka M, Lautens M. Harnessing Reversible Oxidative Addition: Application of Diiodinated Aromatic Compounds in the Carboiodination Process. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201304923] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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