1
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Liu YL, Liu J, Li XY, He P, Liu YX, Xiang M, Tang S. A radical 1,4-aryl migration enables nickel-catalysed remote cross-electrophile coupling of β-bromo amino acid esters with vinyl triflates. Chem Commun (Camb) 2024; 60:4306-4309. [PMID: 38533558 DOI: 10.1039/d4cc00627e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2024]
Abstract
A radical 1,4-aryl migration enabling a cross-electrophile coupling reaction toward remote transalkylation of N-benzyl alanine has been developed. In this strategy, with the occurrence of a radical-mediated Turce-Smiles rearrangement, key α-aminoalkyl radicals are generated. The as-formed α-aminoalkyl radical serves as a robust coupling partner for cross-electrophilic coupling with vinyl triflates, affording a series of olefin-tethered amino acid motifs.
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Affiliation(s)
- Yin-Ling Liu
- College of Chemistry and Chemical Engineering, Jishou University, Jishou 416000, China.
| | - Jian Liu
- College of Chemistry and Chemical Engineering, Jishou University, Jishou 416000, China.
| | - Xin-Yu Li
- College of Chemistry and Chemical Engineering, Jishou University, Jishou 416000, China.
| | - Peng He
- College of Chemistry and Chemical Engineering, Jishou University, Jishou 416000, China.
| | - Yu-Xuan Liu
- College of Chemistry and Chemical Engineering, Jishou University, Jishou 416000, China.
| | - Mei Xiang
- College of Chemistry and Chemical Engineering, Jishou University, Jishou 416000, China.
| | - Shi Tang
- College of Chemistry and Chemical Engineering, Jishou University, Jishou 416000, China.
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2
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Cai Y, Gaurav G, Ritter T. 1,4-Aminoarylation of Butadienes via Photoinduced Palladium Catalysis. Angew Chem Int Ed Engl 2024; 63:e202311250. [PMID: 38334292 DOI: 10.1002/anie.202311250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 02/01/2024] [Accepted: 02/02/2024] [Indexed: 02/10/2024]
Abstract
A visible-light-induced, three-component palladium-catalyzed 1,4-aminoarylation of butadienes with readily available aryl halides and aliphatic amines has been developed, affording allylamines with excellent E-selectivity. The reaction exhibits exceptional control over chemo-, regio-, and stereoselectivity, a broad substrate scope, and high functional group compatibility, as demonstrated by the late-stage functionalization of bioactive molecules. Mechanistic investigations are consistent with a photoinduced radical Pd(0)-Pd(I)-Pd(II)-Pd(0) Heck-Tsuji-Trost allylation cascade.
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Affiliation(s)
- Yuan Cai
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, D-45470, Mülheim an der Ruhr, Germany
| | - Gaurav Gaurav
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, D-45470, Mülheim an der Ruhr, Germany
| | - Tobias Ritter
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, D-45470, Mülheim an der Ruhr, Germany
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3
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Gao S, Liu J, Troya D, Chen M. Copper-Catalyzed Asymmetric Acylboration of 1,3-Butadienylboronate with Acyl Fluorides. Angew Chem Int Ed Engl 2023; 62:e202304796. [PMID: 37712934 PMCID: PMC11144059 DOI: 10.1002/anie.202304796] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Indexed: 09/16/2023]
Abstract
We report herein a Cu-catalyzed regio-, diastereo- and enantioselective acylboration of 1,3-butadienylboronate with acyl fluorides. Under the developed conditions, the reactions provide (Z)-β,γ-unsaturated ketones bearing an α-tertiary stereocenter with high Z-selectivity and excellent enantioselectivities. While direct access to highly enantioenriched E-isomers was not successful, we showed that such molecules can be synthesized with excellent E-selectivity and optical purities via Pd-catalyzed alkene isomerization from the corresponding Z-isomers. The orthogonal chemical reactivities of the functional groups embedded in the ketone products allow for diverse chemoselective transformations, which provides a valuable platform for further derivatization.
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Affiliation(s)
- Shang Gao
- Department of Chemistry and Biochemistry, Auburn University, 36849 Auburn, AL (USA); Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, 210009 Nanjing, (China)
| | - Jiaming Liu
- Department of Chemistry and Biochemistry, Auburn University, 36849 Auburn, AL (USA)
| | - Diego Troya
- Department of Chemistry, Virginia Tech, 24061 Blacksburg, VA (USA)
| | - Ming Chen
- Department of Chemistry and Biochemistry, Auburn University, 36849 Auburn, AL (USA)
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4
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Simlandy AK, Alturaifi TM, Nguyen JM, Oxtoby LJ, Wong QN, Chen JS, Liu P, Engle KM. Enantioselective Hydroalkenylation and Hydroalkynylation of Alkenes Enabled by a Transient Directing Group: Catalyst Generality through Rigidification. Angew Chem Int Ed Engl 2023; 62:e202304013. [PMID: 37141510 PMCID: PMC10524838 DOI: 10.1002/anie.202304013] [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: 03/20/2023] [Revised: 05/04/2023] [Accepted: 05/04/2023] [Indexed: 05/06/2023]
Abstract
The catalytic enantioselective synthesis of α-chiral alkenes and alkynes represents a powerful strategy for rapid generation of molecular complexity. Herein, we report a transient directing group (TDG) strategy to facilitate site-selective palladium-catalyzed reductive Heck-type hydroalkenylation and hydroalkynylation of alkenylaldehyes using alkenyl and alkynyl bromides, respectively, allowing for construction of a stereocenter at the δ-position with respect to the aldehyde. Computational studies reveal the dual beneficial roles of rigid TDGs, such as L-tert-leucine, in promoting TDG binding and inducing high levels of enantioselectivity in alkene insertion with a variety of migrating groups.
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Affiliation(s)
- Amit Kumar Simlandy
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, CA 92037, La Jolla, USA
| | - Turki M Alturaifi
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, PA 15260, Pittsburgh, USA
| | - Johny M Nguyen
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, CA 92037, La Jolla, USA
| | - Lucas J Oxtoby
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, CA 92037, La Jolla, USA
| | - Quynh Nguyen Wong
- Automated Synthesis Facility, The Scripps Research Institute, 10550 North Torrey Pines Road, CA 92037, La Jolla, USA
| | - Jason S Chen
- Automated Synthesis Facility, The Scripps Research Institute, 10550 North Torrey Pines Road, CA 92037, La Jolla, USA
| | - Peng Liu
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, PA 15260, Pittsburgh, USA
| | - Keary M Engle
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, CA 92037, La Jolla, USA
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5
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Chen Y, Chen W, Ho CY, Gu X. Our Voyage from Catalytic Cross-Hydroalkenylation to Transfer-Dehydroaromatization of Cyclic π-Systems: Reactivity and Selectivity Changes Enabled by NHC-Ni and NHC-Pd Hydride Equivalents. Synlett 2023. [DOI: 10.1055/s-0042-1751425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
Abstract
AbstractN-Heterocyclic carbene ligated transition-metal catalysts often show interesting properties and reactivity as compared to conventional ligand systems. In (NHC)Ni and (NHC)Pd hydrides, a dramatic reactivity changed from cross-hydroalkenylation to transfer-dehydroaromatization was observed under optimized conditions. This account summarizes our recent efforts and stories behind this serendipitous discovery. The mechanistic studies revealed that the keys to divert the desired reactivity are the differences in the olefin insertion selectivity and the hydrometallated species reactivity.
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Affiliation(s)
- Yang Chen
- Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology (SUSTech)
- Shenzhen Grubbs Institute, Southern University of Science and Technology (SUSTech)
- Department of Chemistry, Southern University of Science and Technology (SUSTech)
| | - Weihao Chen
- Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology (SUSTech)
- Shenzhen Grubbs Institute, Southern University of Science and Technology (SUSTech)
- Department of Chemistry, Southern University of Science and Technology (SUSTech)
| | - Chun-Yu Ho
- Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology (SUSTech)
- Shenzhen Grubbs Institute, Southern University of Science and Technology (SUSTech)
- Department of Chemistry, Southern University of Science and Technology (SUSTech)
| | - Xiao Gu
- Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology (SUSTech)
- Shenzhen Grubbs Institute, Southern University of Science and Technology (SUSTech)
- Department of Chemistry, Southern University of Science and Technology (SUSTech)
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6
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Farah AO, Garcia J, Borg C, Beng TK. Serendipitous synthesis of cross-conjugated dienes by cascade deconstructive esterification of thiomorpholinone-tethered alkenoic acids. RSC Adv 2023; 13:3181-3185. [PMID: 36756410 PMCID: PMC9868895 DOI: 10.1039/d2ra07916j] [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: 12/11/2022] [Accepted: 01/10/2023] [Indexed: 01/25/2023] Open
Abstract
Functionalized 1,3-dienes are ubiquitous structural motifs in biologically pertinent molecules. They are frequently employed as precursors for a broad range of chemical transformations, including Diels-Alder reactions. The stereoselective construction of highly decorated 1,3-dienes therefore represents an important research objective. Medicinal chemists are becoming increasingly interested in synthetic methodologies that not only achieve expedient construction and peripheral editing of heterocycles, but also seek to modify their core framework in order to achieve skeletal remodeling. In a succinct manifestation of this 'scaffold hopping' concept, we herein describe a cascade reaction, which converts thiomorpholinone-tethered alkenoic acids to 1,1-disubstituted amino-1,3-dienes. This domino process involves esterification of the acid, base-assisted ring-opening, and concomitant 1,2-migration of the α-amino alkenyl group. Several control experiments have revealed that the alkenyl substituent is necessary for deconstruction to occur. Inherently more activated N-aryl-substituted thiomorpholinone acids react significantly faster than their less activated N-alkyl congeners.
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Affiliation(s)
- Abdikani Omar Farah
- Department of Chemistry, Central Washington University Ellensburg WA 98926 USA
| | - Jorge Garcia
- Department of Chemistry, Central Washington University Ellensburg WA 98926 USA
| | - Claire Borg
- Department of Chemistry, Central Washington University Ellensburg WA 98926 USA
| | - Timothy K. Beng
- Department of Chemistry, Central Washington UniversityEllensburgWA 98926USA
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7
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Wu D, Pang H, Yin G. 1,1-Regioselective alkenylboration of styrenes enabled by palladium catalysis. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.108087] [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]
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8
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Hourtoule M, Miesch L. Regio- and Stereoselective Addition to gem-Difluorinated Ene-Ynamides: Access to Stereodefined Fluorinated Dienes. Org Lett 2022; 24:3896-3900. [PMID: 35587253 DOI: 10.1021/acs.orglett.2c01593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The first synthesis of gem-difluorinated ene-ynamides is presented via deprotonation of trifluoromethylated N-allenamides and δ extrusion of fluorine. These highly reactive building blocks, owing to their dual functional groups, offer a unique entry to difluorinated dienes and to stereodefined, monofluoro-substituted dienes. Stereoselective addition to the ynamide moiety led to difluorinated dienes. A stereocontrolled domino δ elimination reaction followed by an addition/elimination sequence from trifluoromethylated N-allenamides provided exclusively stereodefined monofluorinated ene-ynamides.
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Affiliation(s)
- Maxime Hourtoule
- Equipe Synthèse Organique et Phytochimie, Institut de Chimie, CNRS-UdS, UMR 7177, 4 rue Blaise Pascal, CS 90032, 67081 Strasbourg, France
| | - Laurence Miesch
- Equipe Synthèse Organique et Phytochimie, Institut de Chimie, CNRS-UdS, UMR 7177, 4 rue Blaise Pascal, CS 90032, 67081 Strasbourg, France
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9
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Zhang WS, Ji DW, Li Y, Zhang XX, Zhao CY, Hu YC, Chen QA. Regio- and Stereoselective Diarylation of 1,3-Dienes via Ni/Cr Cocatalysis. ACS Catal 2022. [DOI: 10.1021/acscatal.1c05441] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Wei-Song Zhang
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
| | - Ding-Wei Ji
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China
| | - Ying Li
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
| | - Xiang-Xin Zhang
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
| | - Chao-Yang Zhao
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
| | - Yan-Cheng Hu
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China
| | - Qing-An Chen
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
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10
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Zell D, Kingston C, Jermaks J, Smith SR, Seeger N, Wassmer J, Sirois LE, Han C, Zhang H, Sigman MS, Gosselin F. Stereoconvergent and -divergent Synthesis of Tetrasubstituted Alkenes by Nickel-Catalyzed Cross-Couplings. J Am Chem Soc 2021; 143:19078-19090. [PMID: 34735129 DOI: 10.1021/jacs.1c08399] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
We report the development of a method to diastereoselectively access tetrasubstituted alkenes via nickel-catalyzed Suzuki-Miyaura cross-couplings of enol tosylates and boronic acid esters. Either diastereomeric product was selectively accessed from a mixture of enol tosylate starting material diastereomers in a convergent reaction by judicious choice of the ligand and reaction conditions. A similar protocol also enabled a divergent synthesis of each product isomer from diastereomerically pure enol tosylates. Notably, high-throughput optimization of the monophosphine ligands was guided by chemical space analysis of the kraken library to ensure a diverse selection of ligands was examined. Stereoelectronic analysis of the results provided insight into the requirements for reactive and selective ligands in this transformation. The synthetic utility of the optimized catalytic system was then probed in the stereoselective synthesis of various tetrasubstituted alkenes, with yields up to 94% and diastereomeric ratios up to 99:1 Z/E and 93:7 E/Z observed. Moreover, a detailed computational analysis and experimental mechanistic studies provided key insights into the nature of the underlying isomerization process impacting selectivity in the cross-coupling.
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Affiliation(s)
- Daniel Zell
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Cian Kingston
- Department of Chemistry, University of Utah, Salt Lake City, Utah 84112, United States
| | - Janis Jermaks
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Sleight R Smith
- Department of Chemistry, University of Utah, Salt Lake City, Utah 84112, United States
| | - Natalie Seeger
- Department of Chemistry, University of Utah, Salt Lake City, Utah 84112, United States
| | - Jana Wassmer
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Lauren E Sirois
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Chong Han
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Haiming Zhang
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Matthew S Sigman
- Department of Chemistry, University of Utah, Salt Lake City, Utah 84112, United States
| | - Francis Gosselin
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
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11
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Yu X, Shen X, Liu S, Wang W, Wang Q, Liu J, Chen D. Mechanism of regioselectivity of rhodium-catalyzed hydrothiolation of 1,3-dienes: A computational study. MOLECULAR CATALYSIS 2021. [DOI: 10.1016/j.mcat.2021.111876] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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12
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Knowles JP, Steeds HG, Schwarz M, Latter F, Booker-Milburn KI. Pd-Catalyzed Cascade Reactions of Aziridines: One-Step Access to Complex Tetracyclic Amines. Org Lett 2021; 23:4986-4990. [PMID: 34132553 PMCID: PMC8289308 DOI: 10.1021/acs.orglett.1c01403] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Indexed: 11/29/2022]
Abstract
The combination of palladium catalysis and thermal cycloaddition is shown to transform tricyclic aziridines into complex, stereodefined tetracyclic products in a single step. This highly unusual cascade process involves a diverted Tsuji-Trost sequence leading to a surprisingly facile intramolecular Diels-Alder reaction. The starting materials are accessible on multigram scales from the photochemical rearrangement of simple pyrroles. The tetracyclic amine products can be further elaborated through routine transformations, highlighting their potential as scaffolds for medicinal chemistry.
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Affiliation(s)
- Jonathan P. Knowles
- Department
of Applied Sciences, Northumbria University, Newcastle upon Tyne NE1
8ST, U.K.
| | - Hannah G. Steeds
- School
of Chemistry, University of Bristol, Cantock’s Close, Bristol BS8 1TS, U.K.
| | - Maria Schwarz
- School
of Chemistry, University of Bristol, Cantock’s Close, Bristol BS8 1TS, U.K.
| | - Francesca Latter
- School
of Chemistry, University of Bristol, Cantock’s Close, Bristol BS8 1TS, U.K.
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13
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Pang X, Zhao ZZ, Wei XX, Qi L, Xu GL, Duan J, Liu XY, Shu XZ. Regiocontrolled Reductive Vinylation of Aliphatic 1,3-Dienes with Vinyl Triflates by Nickel Catalysis. J Am Chem Soc 2021; 143:4536-4542. [DOI: 10.1021/jacs.1c00142] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Xiaobo Pang
- State Key Laboratory of Applied Organic Chemistry (SKLAOC), College of Chemistry and Chemical Engineering, Lanzhou University, 222 South Tianshui Road, Lanzhou 730000, China
| | - Zhen-Zhen Zhao
- State Key Laboratory of Applied Organic Chemistry (SKLAOC), College of Chemistry and Chemical Engineering, Lanzhou University, 222 South Tianshui Road, Lanzhou 730000, China
| | - Xiao-Xue Wei
- State Key Laboratory of Applied Organic Chemistry (SKLAOC), College of Chemistry and Chemical Engineering, Lanzhou University, 222 South Tianshui Road, Lanzhou 730000, China
| | - Liangliang Qi
- State Key Laboratory of Applied Organic Chemistry (SKLAOC), College of Chemistry and Chemical Engineering, Lanzhou University, 222 South Tianshui Road, Lanzhou 730000, China
| | - Guang-Li Xu
- State Key Laboratory of Applied Organic Chemistry (SKLAOC), College of Chemistry and Chemical Engineering, Lanzhou University, 222 South Tianshui Road, Lanzhou 730000, China
| | - Jicheng Duan
- State Key Laboratory of Applied Organic Chemistry (SKLAOC), College of Chemistry and Chemical Engineering, Lanzhou University, 222 South Tianshui Road, Lanzhou 730000, China
| | - Xue-Yuan Liu
- State Key Laboratory of Applied Organic Chemistry (SKLAOC), College of Chemistry and Chemical Engineering, Lanzhou University, 222 South Tianshui Road, Lanzhou 730000, China
| | - Xing-Zhong Shu
- State Key Laboratory of Applied Organic Chemistry (SKLAOC), College of Chemistry and Chemical Engineering, Lanzhou University, 222 South Tianshui Road, Lanzhou 730000, China
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14
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Dethe DH, Beeralingappa NC, Uike A. Ruthenium-Catalyzed Oxidative Cross-Coupling Reaction of Activated Olefins with Vinyl Boronates for the Synthesis of ( E, E)-1,3-Dienes. J Org Chem 2021; 86:3444-3455. [PMID: 33541080 DOI: 10.1021/acs.joc.0c02823] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
An oxidative cross-coupling reaction between activated olefins and vinyl boronate derivatives has been developed for the highly stereoselective construction of synthetically useful (E,E)-1,3-dienes. The highlight of this reaction is that exclusive stereoselectivity (only E,E-isomer) was achieved from a base-free, ligand-free, and mild catalytic condition with a less expensive [RuCl2(p-cymene)]2 catalyst.
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Affiliation(s)
- Dattatraya H Dethe
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | | | - Amar Uike
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, India
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15
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Dethe DH, Beeralingappa NC, Das S, Nirpal AK. Ruthenium-catalyzed formal sp 3 C-H activation of allylsilanes/esters with olefins: efficient access to functionalized 1,3-dienes. Chem Sci 2021; 12:4367-4372. [PMID: 34163699 PMCID: PMC8179449 DOI: 10.1039/d0sc06845d] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Ru-catalysed oxidative coupling of allylsilanes and allyl esters with activated olefins has been developed via isomerization followed by C(allyl)-H activation providing efficient access to stereodefined 1,3-dienes in excellent yields. Mild reaction conditions, less expensive catalysts, and excellent regio- and diastereoselectivity ensure universality of the reaction. In addition, the unique power of this reaction was illustrated by performing the Diels-Alder reaction, and enantioselective synthesis of highly functionalized cyclohexenone and piperidine and finally synthetic utility was further demonstrated by the efficient synthesis of norpyrenophorin, an antifungal agent.
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Affiliation(s)
- Dattatraya H Dethe
- Department of Chemistry, Indian Institute of Technology Kanpur Kanpur 208016 India
| | | | - Saikat Das
- Department of Chemistry, Indian Institute of Technology Kanpur Kanpur 208016 India
| | - Appasaheb K Nirpal
- Department of Chemistry, Indian Institute of Technology Kanpur Kanpur 208016 India
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16
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Xiao X, Liu J. Progress in the Synthesis of C(sp 2)—C(sp 3) Bond by Reductive Heck Reactions of Alkenes. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202105016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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17
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Tao X, Gong H. Regiocontrolled Reductive Vinylation of Aliphatic 1,3-Dienes. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202100036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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18
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Yang XW, Li DH, Song AX, Liu FS. "Bulky-Yet-Flexible" α-Diimine Palladium-Catalyzed Reductive Heck Cross-Coupling: Highly Anti-Markovnikov-Selective Hydroarylation of Alkene in Air. J Org Chem 2020; 85:11750-11765. [PMID: 32808522 DOI: 10.1021/acs.joc.0c01509] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
To pursue a highly regioselective and efficient reductive Heck reaction, a series of moisture- and air-stable α-diimine palladium precatalysts were rationally designed, readily synthesized, and fully characterized. The relationship between the structures of the palladium complexes and the catalytic properties was investigated. It was revealed that the"bulky-yet-flexible"palladium complexes allowed highly anti-Markovnikov-selective hydroarylation of alkenes with (hetero)aryl bromides under aerobic conditions. Further synthetic application of the present protocol could provide rapid and straightforward access to functional and biologically active molecules.
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Affiliation(s)
- Xu-Wen Yang
- School of Chemistry and Chemical Engineering, Guangdong Cosmetics Engineering & Technology Research Center, Guangdong Pharmaceutical University, Zhongshan, Guangdong 528458, China
| | - Dong-Hui Li
- School of Chemistry and Chemical Engineering, Guangdong Cosmetics Engineering & Technology Research Center, Guangdong Pharmaceutical University, Zhongshan, Guangdong 528458, China
| | - A-Xiang Song
- School of Chemistry and Chemical Engineering, Guangdong Cosmetics Engineering & Technology Research Center, Guangdong Pharmaceutical University, Zhongshan, Guangdong 528458, China
| | - Feng-Shou Liu
- School of Chemistry and Chemical Engineering, Guangdong Cosmetics Engineering & Technology Research Center, Guangdong Pharmaceutical University, Zhongshan, Guangdong 528458, China
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19
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Abstract
The synthesis of alkenes (olefins) is a central subject in the synthetic community. The transition-metal-catalyzed reductive cross-coupling of vinyl electrophiles has emerged as a promising tool to produce alkenes with improved flexibility, structural complexity, and functionality tolerance. In this review, we summarized the progress in this field with respect to cross-electrophile couplings and reductive Heck reactions using vinyl electrophiles.1 Introduction2 Cross-Electrophile Coupling of Vinyl Electrophiles3 Reductive Heck Reaction of Vinyl Electrophiles4 Summary and Outlook
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Affiliation(s)
- Xing-Zhong Shu
- State Key Laboratory of Applied Organic Chemistry (SKLAOC), College of Chemistry and Chemical Engineering, Lanzhou University
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20
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Huang HM, Bellotti P, Pflüger PM, Schwarz JL, Heidrich B, Glorius F. Three-Component, Interrupted Radical Heck/Allylic Substitution Cascade Involving Unactivated Alkyl Bromides. J Am Chem Soc 2020; 142:10173-10183. [PMID: 32379432 DOI: 10.1021/jacs.0c03239] [Citation(s) in RCA: 99] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Developing efficient and selective strategies to approach complex architectures containing (multi)stereogenic centers has been a long-standing synthetic challenge in both academia and industry. Catalytic cascade reactions represent a powerful means of rapidly leveraging molecular complexity from simple feedstocks. Unfortunately, carrying out cascade Heck-type reactions involving unactivated (tertiary) alkyl halides remains an unmet challenge owing to unavoidable β-hydride elimination. Herein, we show that a modular, practical, and general palladium-catalyzed, radical three-component coupling can indeed overcome the aforementioned limitations through an interrupted Heck/allylic substitution sequence mediated by visible light. Selective 1,4-difunctionalization of unactivated 1,3-dienes, such as butadiene, has been achieved by employing different commercially available nitrogen-, oxygen-, sulfur-, or carbon-based nucleophiles and unactivated alkyl bromides (>130 examples, mostly >95:5 E/Z, >20:1 rr). Sequential C(sp3)-C(sp3) and C-X (N, O, S) bonds have been constructed efficiently with a broad scope and high functional group tolerance. The flexibility and versatility of the strategy have been illustrated in a gram-scale reaction and streamlined syntheses of complex ether, sulfone, and tertiary amine products, some of which would be difficult to access via currently established methods.
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Affiliation(s)
- Huan-Ming Huang
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149 Münster, Germany
| | - Peter Bellotti
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149 Münster, Germany
| | - Philipp M Pflüger
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149 Münster, Germany
| | - J Luca Schwarz
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149 Münster, Germany
| | - Bastian Heidrich
- MEET Battery Research Center, Institute of Physical Chemistry, Westfälische Wilhelms-Universität Münster, Corrensstraße 46, 48149 Münster, Germany
| | - Frank Glorius
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149 Münster, Germany
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21
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Bergmann AM, Sardini SR, Smith KB, Brown MK. Regioselective Arylboration of 1,3-Butadiene. Isr J Chem 2020; 60:394-397. [PMID: 33859442 PMCID: PMC8046179 DOI: 10.1002/ijch.201900060] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Accepted: 07/29/2019] [Indexed: 12/26/2022]
Abstract
A method for the regioselective 1,2-arylboration of 1,3-butadiene, a feedstock chemical, is reported. The reactions result in the formation of products that can be easily elaborated to other structures. The mechanistic details of this process are also discussed.
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Affiliation(s)
- Allison M Bergmann
- Department of Chemistry, Indiana University, 800 E Kirkwood Ave., Bloomington, IN 47405, USA
| | - Stephen R Sardini
- Department of Chemistry, Indiana University, 800 E Kirkwood Ave., Bloomington, IN 47405, USA
| | - Kevin B Smith
- Department of Chemistry, Indiana University, 800 E Kirkwood Ave., Bloomington, IN 47405, USA
| | - M Kevin Brown
- Department of Chemistry, Indiana University, 800 E Kirkwood Ave., Bloomington, IN 47405, USA
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22
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Lv L, Yu L, Qiu Z, Li C. Switch in Selectivity for Formal Hydroalkylation of 1,3‐Dienes and Enynes with Simple Hydrazones. Angew Chem Int Ed Engl 2020; 59:6466-6472. [PMID: 31972873 DOI: 10.1002/anie.201915875] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Indexed: 02/06/2023]
Affiliation(s)
- Leiyang Lv
- Department of Chemistry and FRQNT Center for Green Chemistry and CatalysisMcGill University 801 Sherbrooke Street West Montreal Quebec H3A 0B8 Canada
| | - Lin Yu
- Department of Chemistry and FRQNT Center for Green Chemistry and CatalysisMcGill University 801 Sherbrooke Street West Montreal Quebec H3A 0B8 Canada
| | - Zihang Qiu
- Department of Chemistry and FRQNT Center for Green Chemistry and CatalysisMcGill University 801 Sherbrooke Street West Montreal Quebec H3A 0B8 Canada
| | - Chao‐Jun Li
- Department of Chemistry and FRQNT Center for Green Chemistry and CatalysisMcGill University 801 Sherbrooke Street West Montreal Quebec H3A 0B8 Canada
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23
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Lv L, Yu L, Qiu Z, Li C. Switch in Selectivity for Formal Hydroalkylation of 1,3‐Dienes and Enynes with Simple Hydrazones. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201915875] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Leiyang Lv
- Department of Chemistry and FRQNT Center for Green Chemistry and CatalysisMcGill University 801 Sherbrooke Street West Montreal Quebec H3A 0B8 Canada
| | - Lin Yu
- Department of Chemistry and FRQNT Center for Green Chemistry and CatalysisMcGill University 801 Sherbrooke Street West Montreal Quebec H3A 0B8 Canada
| | - Zihang Qiu
- Department of Chemistry and FRQNT Center for Green Chemistry and CatalysisMcGill University 801 Sherbrooke Street West Montreal Quebec H3A 0B8 Canada
| | - Chao‐Jun Li
- Department of Chemistry and FRQNT Center for Green Chemistry and CatalysisMcGill University 801 Sherbrooke Street West Montreal Quebec H3A 0B8 Canada
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24
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Hamaguchi T, Takahashi Y, Tsuji H, Kawatsura M. Nickel-Catalyzed Hydroarylation of in Situ Generated 1,3-Dienes with Arylboronic Acids Using a Secondary Homoallyl Carbonate as a Surrogate for the 1,3-Diene and Hydride Source. Org Lett 2020; 22:1124-1129. [DOI: 10.1021/acs.orglett.9b04634] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Takashi Hamaguchi
- Department of Chemistry, College of Humanities & Sciences, Nihon University, Sakurajosui, Setagaya-ku, Tokyo 156-8550, Japan
| | - Yoshiyuki Takahashi
- Department of Chemistry, College of Humanities & Sciences, Nihon University, Sakurajosui, Setagaya-ku, Tokyo 156-8550, Japan
| | - Hiroaki Tsuji
- Department of Chemistry, College of Humanities & Sciences, Nihon University, Sakurajosui, Setagaya-ku, Tokyo 156-8550, Japan
| | - Motoi Kawatsura
- Department of Chemistry, College of Humanities & Sciences, Nihon University, Sakurajosui, Setagaya-ku, Tokyo 156-8550, Japan
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25
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Fu Z, Guo X, Li Y, Li J. Computational study of catalyst-controlled regiodivergent pathways in hydroboration of 1,3-dienes: mechanism and origin of regioselectivity. Org Chem Front 2020. [DOI: 10.1039/d0qo00479k] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
DFT calculations were performed to elucidate the origins of catalyst-controlled regioselectivity in the hydroboration of 2-substituted 1,3-dienes.
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Affiliation(s)
- Zhongxin Fu
- Department of Chemistry
- Jinan University
- Guangzhou
- P. R. China
| | - Xianming Guo
- Department of Chemistry
- Jinan University
- Guangzhou
- P. R. China
| | - Yupan Li
- Department of Chemistry
- Jinan University
- Guangzhou
- P. R. China
| | - Juan Li
- Department of Chemistry
- Jinan University
- Guangzhou
- P. R. China
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26
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Wu XX, Ye H, Dai H, Yang B, Wang Y, Chen S, Hu L. Palladium-catalyzed domino Heck cyclization/ring opening of sulfolenes/desulfitative coupling: regio- and stereoselective synthesis of alkylated conjugated dienes. Org Chem Front 2020. [DOI: 10.1039/d0qo00615g] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient cascade dienylation provides a range of alkylated conjugated diene compounds with the Z-configuration by introducing the C4 unit directly.
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Affiliation(s)
- Xin-Xing Wu
- College of Chemistry and Chemical Engineering
- Nantong University
- Nantong 226019
- P. R. China
| | - Hao Ye
- College of Chemistry and Chemical Engineering
- Nantong University
- Nantong 226019
- P. R. China
| | - Hong Dai
- College of Chemistry and Chemical Engineering
- Nantong University
- Nantong 226019
- P. R. China
| | - Bing Yang
- College of Chemistry and Chemical Engineering
- Nantong University
- Nantong 226019
- P. R. China
| | - Yang Wang
- College of Chemistry and Chemical Engineering
- Nantong University
- Nantong 226019
- P. R. China
| | - Shufeng Chen
- Inner Mongolia Key Laboratory of Fine Organic Synthesis
- College of Chemistry and Chemical Engineering
- Inner Mongolia University
- Hohhot 010021
- P. R. China
| | - Lanping Hu
- College of Chemistry and Chemical Engineering
- Nantong University
- Nantong 226019
- P. R. China
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27
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Zhang P, Xing M, Guan Q, Zhang J, Zhao Q, Zhang C. Pd-Catalyzed Stereoselective 1,2-Aryboration of Alkenylarenes. Org Lett 2019; 21:8106-8109. [DOI: 10.1021/acs.orglett.9b03114] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Penglin Zhang
- Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, Institute of Molecular Plus, Tianjin University, Weijin Rd. 92, Tianjin 300072, China
| | - Mimi Xing
- Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, Institute of Molecular Plus, Tianjin University, Weijin Rd. 92, Tianjin 300072, China
| | - Qitao Guan
- Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, Institute of Molecular Plus, Tianjin University, Weijin Rd. 92, Tianjin 300072, China
| | - Jinguo Zhang
- Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, Institute of Molecular Plus, Tianjin University, Weijin Rd. 92, Tianjin 300072, China
| | - Qian Zhao
- Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, Institute of Molecular Plus, Tianjin University, Weijin Rd. 92, Tianjin 300072, China
| | - Chun Zhang
- Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, Institute of Molecular Plus, Tianjin University, Weijin Rd. 92, Tianjin 300072, China
- State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
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28
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Oxtoby LJ, Gurak JA, Wisniewski SR, Eastgate MD, Engle KM. Palladium-Catalyzed Reductive Heck Coupling of Alkenes. TRENDS IN CHEMISTRY 2019; 1:572-587. [PMID: 32542234 PMCID: PMC7295148 DOI: 10.1016/j.trechm.2019.05.007] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The Mizoroki-Heck reaction is one of the most studied palladium-catalyzed cross-coupling reactions, representing a powerful method for forming C-C bonds between diverse substrates with broad functional group compatibility. However, the reductive variant has received considerably less attention. In this Review, we summarize distinct mechanistic aspects of the reductive Heck reaction, highlight recent contributions to the field, and discuss potential applications of the reductive Heck reaction in the pharmaceutical industry. With the potential to have a large impact in both academic and industrial settings, further development of the reductive Heck reaction is a promising area of future investigation.
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Affiliation(s)
- Lucas J. Oxtoby
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - John A. Gurak
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Steven R. Wisniewski
- Chemical & Synthetic Development, Bristol-Myers Squibb, 1 Squibb Drive, New Brunswick, New Jersey 08903, United States
| | - Martin D. Eastgate
- Chemical & Synthetic Development, Bristol-Myers Squibb, 1 Squibb Drive, New Brunswick, New Jersey 08903, United States
| | - Keary M. Engle
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
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29
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Shu W, García-Domínguez A, Quirós MT, Mondal R, Cárdenas DJ, Nevado C. Ni-Catalyzed Reductive Dicarbofunctionalization of Nonactivated Alkenes: Scope and Mechanistic Insights. J Am Chem Soc 2019; 141:13812-13821. [DOI: 10.1021/jacs.9b02973] [Citation(s) in RCA: 120] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Wei Shu
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, Zurich CH 8057, Switzerland
| | - Andrés García-Domínguez
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, Zurich CH 8057, Switzerland
| | - M. Teresa Quirós
- Departamento de Química Orgánica, Facultad de Ciencias, Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, Cantoblanco CP 28049, Madrid, Spain
| | - Rahul Mondal
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, Zurich CH 8057, Switzerland
| | - Diego J. Cárdenas
- Departamento de Química Orgánica, Facultad de Ciencias, Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, Cantoblanco CP 28049, Madrid, Spain
| | - Cristina Nevado
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, Zurich CH 8057, Switzerland
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30
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Lv L, Zhu D, Qiu Z, Li J, Li CJ. Nickel-Catalyzed Regioselective Hydrobenzylation of 1,3-Dienes with Hydrazones. ACS Catal 2019. [DOI: 10.1021/acscatal.9b02483] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Leiyang Lv
- Department of Chemistry and FRQNT Center for Green Chemistry and Catalysis, McGill University, 801 Sherbrooke Street West, Montreal, Quebec H3A 0B8, Canada
| | - Dianhu Zhu
- Department of Chemistry and FRQNT Center for Green Chemistry and Catalysis, McGill University, 801 Sherbrooke Street West, Montreal, Quebec H3A 0B8, Canada
| | - Zihang Qiu
- Department of Chemistry and FRQNT Center for Green Chemistry and Catalysis, McGill University, 801 Sherbrooke Street West, Montreal, Quebec H3A 0B8, Canada
| | - Jianbin Li
- Department of Chemistry and FRQNT Center for Green Chemistry and Catalysis, McGill University, 801 Sherbrooke Street West, Montreal, Quebec H3A 0B8, Canada
| | - Chao-Jun Li
- Department of Chemistry and FRQNT Center for Green Chemistry and Catalysis, McGill University, 801 Sherbrooke Street West, Montreal, Quebec H3A 0B8, Canada
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31
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Gao S, Chen M. α-Silicon effect assisted Curtin-Hammett allylation using allylcopper reagents derived from 1,3-dienylsilanes. Chem Sci 2019; 10:7554-7560. [PMID: 31489170 PMCID: PMC6713862 DOI: 10.1039/c9sc02905b] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Accepted: 06/18/2019] [Indexed: 12/31/2022] Open
Abstract
Cu-catalyzed stereoselective synthesis of (E)-δ-silyl-anti-homoallylic alcohols from 1,3-dienylsilane was developed.
Cu-catalyzed stereoselective synthesis of (E)-δ-silyl-anti-homoallylic alcohols from 1,3-dienylsilane was developed. Mechanistic studies revealed that the borocupration of dienylsilane proceeded through a 1,2-addition pathway to give an allylcopper intermediate with Cu distal to the silyl group. However, the subsequent aldehyde allylation proceeded via Curtin–Hammett control to give (E)-δ-silyl-anti-homoallylic alcohols with high diastereoselectivities. This method was applied to the synthesis of the C1–9 fragment of a polyketide natural product, mycinolide IV.
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Affiliation(s)
- Shang Gao
- Department of Chemistry and Biochemistry , Auburn University , Auburn , AL 36849 , USA .
| | - Ming Chen
- Department of Chemistry and Biochemistry , Auburn University , Auburn , AL 36849 , USA .
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32
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Majhi J, Turnbull BWH, Ryu H, Park J, Baik MH, Evans PA. Dynamic Kinetic Resolution of Alkenyl Cyanohydrins Derived from α,β-Unsaturated Aldehydes: Stereoselective Synthesis of E-Tetrasubstituted Olefins. J Am Chem Soc 2019; 141:11770-11774. [DOI: 10.1021/jacs.9b04384] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jadab Majhi
- Department of Chemistry, Queen’s University, 90 Bader Lane, Kingston, Ontario K7L 3N6, Canada
| | - Ben W. H. Turnbull
- Department of Chemistry, Queen’s University, 90 Bader Lane, Kingston, Ontario K7L 3N6, Canada
| | - Ho Ryu
- Department of Chemistry, Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea
- Center for
Catalytic
Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, Republic of Korea
| | - Jiyong Park
- Department of Chemistry, Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea
- Center for
Catalytic
Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, Republic of Korea
| | - Mu-Hyun Baik
- Department of Chemistry, Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea
- Center for
Catalytic
Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, Republic of Korea
| | - P. Andrew Evans
- Department of Chemistry, Queen’s University, 90 Bader Lane, Kingston, Ontario K7L 3N6, Canada
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33
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Duvvuri K, Dewese KR, Parsutkar MM, Jing SM, Mehta MM, Gallucci JC, RajanBabu TV. Cationic Co(I)-Intermediates for Hydrofunctionalization Reactions: Regio- and Enantioselective Cobalt-Catalyzed 1,2-Hydroboration of 1,3-Dienes. J Am Chem Soc 2019; 141:7365-7375. [PMID: 31020835 DOI: 10.1021/jacs.8b13812] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Much of the recent work on catalytic hydroboration of alkenes has focused on simple alkenes and styrene derivatives with few examples of reactions of 1,3-dienes, which have been reported to undergo mostly 1,4-additions to give allylic boronates. We find that reduced cobalt catalysts generated from 1,n- bis-diphenylphosphinoalkane complexes [Ph2P-(CH2) n-PPh2]CoX2; n = 1-5) or from (2-oxazolinyl)phenyldiarylphosphine complexes [(G-PHOX)CoX2] (G = 4-substituent on oxazoline ring) effect selective 1,2-, 1,4-, or 4,3-additions of pinacolborane (HBPin) to a variety of 1,3-dienes depending on the ligands chosen. Conditions have been found to optimize the 1,2-additions. The reactive catalysts can be generated from the cobalt(II)-complexes using trimethylaluminum, methyl aluminoxane, or activated zinc in the presence of sodium tetrakis[(3,5-trifluoromethyl)phenyl]borate (NaBARF). The complex, (dppp)CoCl2, gives the best results (ratio of 1,2- to 1,4-addition >95:5) for a variety of linear terminal 1,3-dienes and 2-substituted 1,3-dienes. The [(PHOX)CoX2] (X = Cl, Br) complexes give mostly 1,4-addition with linear unsubstituted 1,3-dienes, but, surprisingly, selective 1,2-additions with 2-substituted or 2,3-disubstituted 1,3-dienes. Isolated and fully characterized (X-ray crystallography) Co(I)-complexes, (dppp)3Co2Cl2 and [( S,S)-BDPP]3Co2Cl2, do not catalyze the reaction unless activated by a Lewis acid or NaBARF, suggesting a key role for a cationic Co(I) species in the catalytic cycle. Regio- and enantioselective 1,2-hydroborations of 2-substituted 1,3-dienes are best accomplished using a catalyst prepared via activation of a chiral phosphinooxazoline-cobalt(II) complex with zinc and NaBARF. A number of common functional groups, among them, -OBn, -OTBS, -OTs, N-phthalimido- groups, are tolerated, and er's > 95:5 are obtained for several dienes including 1-alkenylcycloalk-1-enes. This operationally simple reaction expands the realm of asymmetric hydroboration to provide direct access to a number of nearly enantiopure homoallylic boronates, which are not readily accessible by current methods. The resulting boronates have been converted into the corresponding alcohols, potassium trifluororoborate salts, N-BOC amines, and aryl derivatives by C-BPin to C-aryl transformation.
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Affiliation(s)
- Krishnaja Duvvuri
- Department of Chemistry and Biochemistry , The Ohio State University , 100 West 18th Avenue , Columbus , Ohio 43210 , United States
| | - Kendra R Dewese
- Department of Chemistry and Biochemistry , The Ohio State University , 100 West 18th Avenue , Columbus , Ohio 43210 , United States
| | - Mahesh M Parsutkar
- Department of Chemistry and Biochemistry , The Ohio State University , 100 West 18th Avenue , Columbus , Ohio 43210 , United States
| | - Stanley M Jing
- Department of Chemistry and Biochemistry , The Ohio State University , 100 West 18th Avenue , Columbus , Ohio 43210 , United States
| | - Milauni M Mehta
- Department of Chemistry and Biochemistry , The Ohio State University , 100 West 18th Avenue , Columbus , Ohio 43210 , United States
| | - Judith C Gallucci
- Department of Chemistry and Biochemistry , The Ohio State University , 100 West 18th Avenue , Columbus , Ohio 43210 , United States
| | - T V RajanBabu
- Department of Chemistry and Biochemistry , The Ohio State University , 100 West 18th Avenue , Columbus , Ohio 43210 , United States
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34
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Electrochemical Oxidative Csp
3
—H/S—H Cross‐Coupling with Hydrogen Evolution for Synthesis of Tetrasubstituted Olefins. CHINESE J CHEM 2019. [DOI: 10.1002/cjoc.201900113] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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35
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Li X, Wu H, Wu Z, Huang G. Mechanism and Origins of Regioselectivity of Copper-Catalyzed Borocyanation of 2-Aryl-Substituted 1,3-Dienes: A Computational Study. J Org Chem 2019; 84:5514-5523. [DOI: 10.1021/acs.joc.9b00471] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Xiaojie Li
- Department of Chemistry, School of Science, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin University, Tianjin 300072, P. R. China
| | - Hongli Wu
- Department of Chemistry, School of Science, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin University, Tianjin 300072, P. R. China
| | - Zhenzhen Wu
- Department of Chemistry, School of Science, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin University, Tianjin 300072, P. R. China
| | - Genping Huang
- Department of Chemistry, School of Science, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin University, Tianjin 300072, P. R. China
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36
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Li S, Li J, Xia T, Zhao W. Stereoselective Synthesis of Vinylboronates by Rh‐Catalyzed Borylation of Stereoisomeric Mixtures. CHINESE J CHEM 2019. [DOI: 10.1002/cjoc.201800575] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Shenhuan Li
- State Key Laboratory of Chemo/Biosensing Chemometrics, College of Chemistry and Chemical EngineeringHunan University Changsha Hunan 410082 China
| | - Jie Li
- State Key Laboratory of Chemo/Biosensing Chemometrics, College of Chemistry and Chemical EngineeringHunan University Changsha Hunan 410082 China
| | - Tianlai Xia
- State Key Laboratory of Chemo/Biosensing Chemometrics, College of Chemistry and Chemical EngineeringHunan University Changsha Hunan 410082 China
| | - Wanxiang Zhao
- State Key Laboratory of Chemo/Biosensing Chemometrics, College of Chemistry and Chemical EngineeringHunan University Changsha Hunan 410082 China
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37
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Yang XH, Davison RT, Nie SZ, Cruz FA, McGinnis TM, Dong VM. Catalytic Hydrothiolation: Counterion-Controlled Regioselectivity. J Am Chem Soc 2019; 141:3006-3013. [PMID: 30735362 PMCID: PMC6563821 DOI: 10.1021/jacs.8b11395] [Citation(s) in RCA: 91] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
In this Article, we expand upon the catalytic hydrothiolation of 1,3-dienes to afford either allylic or homoallylic sulfides with high regiocontrol. Mechanistic studies support a pathway in which regioselectivity is dictated by the choice of counterion associated with the Rh center. Non-coordinating counterions, such as SbF6-, allow for η4-diene coordination to Rh complexes and result in allylic sulfides. In contrast, coordinating counterions, such as Cl-, favor neutral Rh complexes in which the diene binds η2 to afford homoallylic sulfides. We propose mechanisms that rationalize a fractional dependence on thiol for the 1,2-Markovnikov hydrothiolation while accounting for an inverse dependence on thiol in the 3,4- anti-Markovnikov pathway. Through the hydrothiolation of an essential oil (β-farnesene), we achieve the first enantioselective synthesis of (-)-agelasidine A.
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Affiliation(s)
- Xiao-Hui Yang
- Department of Chemistry, University of California, Irvine, California 92697, United States
| | - Ryan T. Davison
- Department of Chemistry, University of California, Irvine, California 92697, United States
| | - Shao-Zhen Nie
- Department of Chemistry, University of California, Irvine, California 92697, United States
- College of Pharmacy, Liaocheng University, Liaocheng, Shandong 252059, China
| | - Faben A. Cruz
- Department of Chemistry, University of California, Irvine, California 92697, United States
| | - Tristan M. McGinnis
- Department of Chemistry, University of California, Irvine, California 92697, United States
| | - Vy M. Dong
- Department of Chemistry, University of California, Irvine, California 92697, United States
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38
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Li Q, Jiao X, Xing M, Zhang P, Zhao Q, Zhang C. Cu-Catalyzed highly selective reductive functionalization of 1,3-diene using H 2O as a stoichiometric hydrogen atom donor. Chem Commun (Camb) 2019; 55:8651-8654. [PMID: 31286131 DOI: 10.1039/c9cc04011k] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
A copper-catalyzed highly regio- and diastereo-selective reductive reaction of terminal 1,3-diene with water and aldehyde has been developed. This chemistry afforded a product containing a terminal alkenyl group, which is a versatile kind of precursor for organic synthesis, with the scope for various substrates. The present reaction system could realize the catalytic transfer of hydrogen to diene using water as a stoichiometric H atom donor. In this transformation, B2Pin2, a mild and practical kind of reductant was used as the mediator. The reaction pathway of this practical strategy was illustrated by a control experiment.
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Affiliation(s)
- Qifan Li
- Department of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Science, School of Sciences, Institute of Molecular Plus, Tianjin University, Weijin Rd. 92, Tianjin 300072, China.
| | - Xiaoyang Jiao
- Department of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Science, School of Sciences, Institute of Molecular Plus, Tianjin University, Weijin Rd. 92, Tianjin 300072, China.
| | - Mimi Xing
- Department of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Science, School of Sciences, Institute of Molecular Plus, Tianjin University, Weijin Rd. 92, Tianjin 300072, China.
| | - Penglin Zhang
- Department of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Science, School of Sciences, Institute of Molecular Plus, Tianjin University, Weijin Rd. 92, Tianjin 300072, China.
| | - Qian Zhao
- Department of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Science, School of Sciences, Institute of Molecular Plus, Tianjin University, Weijin Rd. 92, Tianjin 300072, China.
| | - Chun Zhang
- Department of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Science, School of Sciences, Institute of Molecular Plus, Tianjin University, Weijin Rd. 92, Tianjin 300072, China. and State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
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39
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Abstract
Rhodium-catalyzed pyridyl-directed alkenyl C–H bond functionalization with aroyl- or acryl-amides via C–H/C–N activation was carried out.
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Affiliation(s)
- Yao Huang
- CAS Key Laboratory of Soft Matter Chemistry and Department of Chemistry
- University of Science and Technology of China
- Hefei
- People's Republic of China
| | - Wen-Jing Pan
- CAS Key Laboratory of Soft Matter Chemistry and Department of Chemistry
- University of Science and Technology of China
- Hefei
- People's Republic of China
| | - Zhong-Xia Wang
- CAS Key Laboratory of Soft Matter Chemistry and Department of Chemistry
- University of Science and Technology of China
- Hefei
- People's Republic of China
- Collaborative Innovation Center of Chemical Science and Engineering
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40
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Nie SZ, Davison RT, Dong VM. Enantioselective Coupling of Dienes and Phosphine Oxides. J Am Chem Soc 2018; 140:16450-16454. [PMID: 30451496 DOI: 10.1021/jacs.8b11150] [Citation(s) in RCA: 100] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We report a Pd-catalyzed intermolecular hydrophosphinylation of 1,3-dienes to afford chiral allylic phosphine oxides. Commodity dienes and air stable phosphine oxides couple to generate organophosphorus building blocks with high enantio- and regiocontrol. This method constitutes the first asymmetric hydrophosphinylation of dienes.
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Affiliation(s)
- Shao-Zhen Nie
- Department of Chemistry , University of California , Irvine , California 92697 , United States.,College of Pharmacy , Liaocheng University , Liaocheng , Shandong 252059 , China
| | - Ryan T Davison
- Department of Chemistry , University of California , Irvine , California 92697 , United States
| | - Vy M Dong
- Department of Chemistry , University of California , Irvine , California 92697 , United States
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41
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Wang Z, Li P, Fu H, Dai Q, Hu C. Palladium‐Catalyzed Synthesis of Indolines from Aroyloxycarbamates through a Tandem Decarboxylative Amination/Heck/Annulation Reaction. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800919] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Zheng Wang
- Key Laboratory of Cluster Science of Ministry of EducationBeijing Key Laboratory of Photoelectronic/ElectrophotonicSchool of Chemistry and Chemical EngineeringBeijing Institute of Technology Beijing 100081 People's Republic of China
| | - Peihe Li
- Key Laboratory of Cluster Science of Ministry of EducationBeijing Key Laboratory of Photoelectronic/ElectrophotonicSchool of Chemistry and Chemical EngineeringBeijing Institute of Technology Beijing 100081 People's Republic of China
| | - Hui Fu
- Key Laboratory of Cluster Science of Ministry of EducationBeijing Key Laboratory of Photoelectronic/ElectrophotonicSchool of Chemistry and Chemical EngineeringBeijing Institute of Technology Beijing 100081 People's Republic of China
| | - Qipu Dai
- Key Laboratory of Cluster Science of Ministry of EducationBeijing Key Laboratory of Photoelectronic/ElectrophotonicSchool of Chemistry and Chemical EngineeringBeijing Institute of Technology Beijing 100081 People's Republic of China
| | - Changwen Hu
- Key Laboratory of Cluster Science of Ministry of EducationBeijing Key Laboratory of Photoelectronic/ElectrophotonicSchool of Chemistry and Chemical EngineeringBeijing Institute of Technology Beijing 100081 People's Republic of China
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42
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McAlpine NJ, Wang L, Carrow BP. A Diverted Aerobic Heck Reaction Enables Selective 1,3-Diene and 1,3,5-Triene Synthesis through C-C Bond Scission. J Am Chem Soc 2018; 140:13634-13639. [PMID: 30289691 PMCID: PMC6424333 DOI: 10.1021/jacs.8b10007] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Substituted 1,3-dienes are valuable synthetic intermediates used in myriad catalytic transformations, yet modern catalytic methods for their preparation in a highly modular fashion using simple precursors are relatively few. We report here an aerobic boron Heck reaction with cyclobutene that forms exclusively linear 1-aryl-1,3-dienes using (hetero)arylboronic acids, or 1,3,5-trienes using alkenylboronic acids, rather than typical Heck products (i.e., substituted cyclobutenes). Experimental and computational mechanistic data support a pericyclic mechanism for C-C bond cleavage that enables the cycloalkene to circumvent established limitations associated with diene reagents in Heck-type reactions.
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Affiliation(s)
- Neil J. McAlpine
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
| | - Long Wang
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
| | - Brad P. Carrow
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
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43
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Villuendas P, Ruiz S, Vidossich P, Lledós A, Urriolabeitia EP. Selective Synthesis of Tetrasubstituted Olefins by Copper-Mediated Acetoxythiolation of Internal Alkynes: Scope and Mechanistic Studies. Chemistry 2018; 24:13124-13135. [DOI: 10.1002/chem.201802546] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Revised: 06/18/2018] [Indexed: 12/15/2022]
Affiliation(s)
- Pedro Villuendas
- Instituto de Síntesis Química y Catálisis Homogénea (ISQCH); CSIC-Universidad de Zaragoza, Facultad de Ciencias; Edificio D Pedro Cerbuna 12 50009 Zaragoza Spain
| | - Sara Ruiz
- Instituto de Síntesis Química y Catálisis Homogénea (ISQCH); CSIC-Universidad de Zaragoza, Facultad de Ciencias; Edificio D Pedro Cerbuna 12 50009 Zaragoza Spain
| | - Pietro Vidossich
- Departament de Química, Edifici Cn; Universitat Autònoma de Barcelona; 08193 Cerdanyola del Vallés Barcelona Spain
- COBO, Computational Bio-organic Chemistry Bogotá, Department of Chemistry; Universidad de los Andes; Carrera 1 No. 18A 10 10 111711 Bogotá Colombia
| | - Agustí Lledós
- Departament de Química, Edifici Cn; Universitat Autònoma de Barcelona; 08193 Cerdanyola del Vallés Barcelona Spain
| | - Esteban P. Urriolabeitia
- Instituto de Síntesis Química y Catálisis Homogénea (ISQCH); CSIC-Universidad de Zaragoza, Facultad de Ciencias; Edificio D Pedro Cerbuna 12 50009 Zaragoza Spain
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44
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Yang XH, Davison RT, Dong VM. Catalytic Hydrothiolation: Regio- and Enantioselective Coupling of Thiols and Dienes. J Am Chem Soc 2018; 140:10443-10446. [PMID: 30091909 DOI: 10.1021/jacs.8b06957] [Citation(s) in RCA: 99] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
We report a Rh-catalyzed hydrothiolation of 1,3-dienes, including petroleum feedstocks. Either secondary or tertiary allylic sulfides can be generated from the selective addition of a thiol to the more substituted double bond of a diene. The catalyst tolerates a wide range of functional groups, and the loading can be as low as 0.1 mol %.
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Affiliation(s)
- Xiao-Hui Yang
- Department of Chemistry , University of California-Irvine , Irvine , California 92697 , United States
| | - Ryan T Davison
- Department of Chemistry , University of California-Irvine , Irvine , California 92697 , United States
| | - Vy M Dong
- Department of Chemistry , University of California-Irvine , Irvine , California 92697 , United States
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45
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Liu Y, Fiorito D, Mazet C. Copper-catalyzed enantioselective 1,2-borylation of 1,3-dienes. Chem Sci 2018; 9:5284-5288. [PMID: 29997884 PMCID: PMC6001400 DOI: 10.1039/c8sc01538d] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Accepted: 05/22/2018] [Indexed: 12/25/2022] Open
Abstract
A highly enantioselective Cu-catalyzed borylation of 2-substituted 1,3-dienes is reported. The use of a chiral phosphanamine ligand is essential in achieving high chemo-, regio-, diastereo- and enantioselectivity. It provides access to a variety of homoallylic boronates in consistently high yield and enantiomeric excess with 2-aryl and 2-heteroaryl 1,3-dienes as well as sterically demanding 2-alkyl 1,3-dienes. Preliminary investigations based on a non-linear effect study point to a mechanism involving more than one metal center.
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Affiliation(s)
- Yangbin Liu
- University of Geneva , Department of Organic Chemistry , 30 quai Ernest Ansermet , 1211 Geneva-4 , Switzerland .
| | - Daniele Fiorito
- University of Geneva , Department of Organic Chemistry , 30 quai Ernest Ansermet , 1211 Geneva-4 , Switzerland .
| | - Clément Mazet
- University of Geneva , Department of Organic Chemistry , 30 quai Ernest Ansermet , 1211 Geneva-4 , Switzerland .
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46
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Xu J, Chen C, Zhao H, Xu C, Pan Y, Xu X, Li H, Xu L, Fan B. Rhodium(i)-catalysed decarbonylative direct C–H vinylation and dienylation of arenes. Org Chem Front 2018. [DOI: 10.1039/c7qo00959c] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Rh(i)-Catalyzed decarbonylative direct C–H bond vinylation and dienylation of arenes with acrylic acid and (E)-penta-2,4-dienoic acid have been developed.
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Affiliation(s)
- Jianbin Xu
- Department of Chemistry
- Renmin University of China
- Beijing
- P. R. China
| | - Changjun Chen
- Department of Chemistry
- Renmin University of China
- Beijing
- P. R. China
| | - Haoqiang Zhao
- Department of Chemistry
- Renmin University of China
- Beijing
- P. R. China
| | - Conghui Xu
- Department of Chemistry
- Renmin University of China
- Beijing
- P. R. China
| | - Yixiao Pan
- Department of Chemistry
- Renmin University of China
- Beijing
- P. R. China
| | - Xin Xu
- Department of Chemistry
- Renmin University of China
- Beijing
- P. R. China
| | - Huanrong Li
- Department of Chemistry
- Renmin University of China
- Beijing
- P. R. China
| | - Lijin Xu
- Department of Chemistry
- Renmin University of China
- Beijing
- P. R. China
| | - Baomin Fan
- MU-HKBU Joint Laboratory of Traditional Natural Medicine
- Yunnan Minzu University
- Kunming 650504
- China
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47
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Xiong Y, Sun Y, Zhang G. Recent advances on catalytic asymmetric difunctionalization of 1,3-dienes. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2017.12.059] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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48
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Yang XH, Lu A, Dong VM. Intermolecular Hydroamination of 1,3-Dienes To Generate Homoallylic Amines. J Am Chem Soc 2017; 139:14049-14052. [PMID: 28953374 DOI: 10.1021/jacs.7b09188] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We report a Rh-catalyzed hydroamination of 1,3-dienes to generate homoallylic amines. Our work showcases the first case of anti-Markovnikov selectivity in the intermolecular coupling of amines and 1,3-dienes. By tuning the ligand properties and Brønsted acid additive, we find that a combination of rac-BINAP and mandelic acid is critical for achieving anti-Markovnikov selectivity.
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Affiliation(s)
- Xiao-Hui Yang
- Department of Chemistry, University of California, Irvine , Irvine, California 92697, United States
| | - Alexander Lu
- Department of Chemistry, University of California, Irvine , Irvine, California 92697, United States
| | - Vy M Dong
- Department of Chemistry, University of California, Irvine , Irvine, California 92697, United States
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49
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Gao S, Liu H, Yang C, Fu Z, Yao H, Lin A. Accessing 1,3-Dienes via Palladium-Catalyzed Allylic Alkylation of Pronucleophiles with Skipped Enynes. Org Lett 2017; 19:4710-4713. [PMID: 28837351 DOI: 10.1021/acs.orglett.7b01960] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
An unprecedented palladium-catalyzed allylic alkylation of pronucleophiles with unactivated skipped enynes has been developed. This method provides a straightforward access to a wide array of 1,3-dienes without the need to preinstall leaving groups or employ extra oxidants. The reaction exhibited high atom economy, good functional group tolerance, excellent regioselectivities, and scalability. With D2O as cosolvent, deuterium could be incorporated in high efficiency.
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Affiliation(s)
- Shang Gao
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University , Nanjing 210009, P. R. China
| | - Hao Liu
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University , Nanjing 210009, P. R. China
| | - Chi Yang
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University , Nanjing 210009, P. R. China
| | - Zhiyuan Fu
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University , Nanjing 210009, P. R. China
| | - Hequan Yao
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University , Nanjing 210009, P. R. China
| | - Aijun Lin
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University , Nanjing 210009, P. R. China
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50
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Seizert CA, Ferreira EM. A boron-based Ireland-Claisen approach to the synthesis of pordamacrine A. Tetrahedron 2017. [DOI: 10.1016/j.tet.2016.11.030] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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