1
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Zhou T, Szostak M. Palladium-Catalyzed Cross-Couplings by C-O Bond Activation. Catal Sci Technol 2020; 10:5702-5739. [PMID: 33796263 PMCID: PMC8009314 DOI: 10.1039/d0cy01159b] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Although palladium-catalyzed cross-coupling of aryl halides and reactive pseudohalides has revolutionized the way organic molecules are constructed today across various fields of chemistry, comparatively less progress has been made in the palladium-catalyzed cross-coupling of less reactive C-O electrophiles. This is despite the fact that the use of phenols and phenol derivatives as bench-stable cross-coupling partners has been well-recognized to bring about major advantages over aryl halides, such as (1) natural abundance of phenols, (2) avoidance of toxic halides, (3) orthogonal cross-coupling conditions, (4) prefunctionalization of phenolic substrates by electrophilic substitution or C-H functionalization, (5) ready availability of phenols from a different pool of precursors than aryl halides. In this review, we present an overview of recent advances made in the field of palladium-catalyzed cross-coupling of C-O electrophiles with a focus on (1) catalytic systems, (2) reaction type, and (3) class of C-O coupling partners. Although the field has been historically dominated by nickel catalysis, it is now evident that the use of more versatile, more functional group tolerant and highly active palladium catalysts supported by appropriately designed ancillary ligands enables the cross-coupling with improved substrate scope and generality, and likely represents a practical solution to the broadly applicable cross-coupling of various C-O bonds across diverse chemical disciplines. The review covers the period through June 2020.
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Affiliation(s)
- Tongliang Zhou
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ 07102, United States
| | - Michal Szostak
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ 07102, United States
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2
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Debnath S, Das T, Gayen S, Ghosh T, Maiti DK. Iodine-Catalyzed Functionalization of Primary Aliphatic Amines to Oxazoles, 1,4-Oxazines, and Oxazinones. ACS OMEGA 2019; 4:20410-20422. [PMID: 31815245 PMCID: PMC6894181 DOI: 10.1021/acsomega.9b03501] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 11/01/2019] [Indexed: 05/10/2023]
Abstract
Unprecedented I2-catalyzed α,α-C(sp3)-H, decarboxylative α-C(sp3)-H, lactonized α-C(sp3)-H, and α,β-C(sp3)-H functionalized 5- and 6-annulation as well as α-C(sp3)-H activated 6-lactonization of primary aliphatic amines are devised under aerobic conditions. The metal-free sustainable strategy was employed for the diverse construction of valuable five-and six-membered polycyclic N,O-heteroaromatics such as oxazoles, 1,4-oxazines, and oxazin-2-one with a rapid reaction rate and high yield. The viability of this mild nonmetallic catalysis is successfully verified through syntheses of labile chiral heterocyclic analogues. In contrast to the common practice, this method is not limited to use of prefunctionalized amines, directing groups (DGs) and/or transient DGs, metal catalysts, and traditional oxidants. The possible mechanistic pathway of the annulation reaction is investigated by control experiments and ESI-MS data collected for a reaction mixture of the ongoing reaction. The synthesized new compounds are potent organic nanobuilding blocks to achieve valuable organic nanomaterials of different sizes, shapes, and dimensions, which are under investigation for the discovery of high-tech devices of innovative organic nanoelectronics and photophysical properties.
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Affiliation(s)
- Sudipto Debnath
- Department
of Chemistry, University of Calcutta, 92 A. P. C. Road, Kolkata 700009, India
| | - Tuluma Das
- Department
of Chemistry, University of Calcutta, 92 A. P. C. Road, Kolkata 700009, India
| | - Subrata Gayen
- Department
of Chemistry, University of Calcutta, 92 A. P. C. Road, Kolkata 700009, India
| | - Tapas Ghosh
- Department
of Applied Sciences, Maulana Abul Kalam
Azad University of Technology, Haringhata 741249, West Bengal, India
| | - Dilip K. Maiti
- Department
of Chemistry, University of Calcutta, 92 A. P. C. Road, Kolkata 700009, India
- E-mail:
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3
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Xia MY, Yang J, Zhang PH, Li XN, Luo JF, Long CL, Wang YH. Amides, Isoquinoline Alkaloids and Dipeptides from the Aerial Parts of Piper mullesua. NATURAL PRODUCTS AND BIOPROSPECTING 2018; 8:419-430. [PMID: 30073582 PMCID: PMC6224811 DOI: 10.1007/s13659-018-0180-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2018] [Accepted: 07/03/2018] [Indexed: 05/26/2023]
Abstract
One undescribed amide, pipermullesine A, two undescribed isoquinoline alkaloids, pipermullesines B and C, and six undescribed dipeptides, pipermullamides A-F, along with 28 known compounds, were isolated from the aerial parts of Piper mullesua. The structures of the undescribed compounds were elucidated based on the analysis of 1D and 2D NMR and MS data. Furthermore, the structures of pipermullesines A-C were confirmed by single crystal X-ray diffraction analysis. All isolates were evaluated for inhibitory activity against platelet aggregation induced by thrombin (IIa) or platelet-activating factor (PAF). (-)-Mangochinine, pellitorine, and (2E,4E)-N-isobutyl-2,4-dodecadienamide showed weak inhibitory activity against rabbit platelet aggregation induced by PAF, with IC50 values of 470.3 µg/mL, 614.9 µg/mL, and 579.7 µg/mL, respectively.
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Affiliation(s)
- Meng-Yuan Xia
- Key Laboratory of Economic Plants and Biotechnology and the Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, People's Republic of China
- Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin, Nay Pyi Taw, 05282, Myanmar
| | - Jun Yang
- Key Laboratory of Economic Plants and Biotechnology and the Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, People's Republic of China
- Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin, Nay Pyi Taw, 05282, Myanmar
| | - Pan-Hua Zhang
- Key Laboratory of Economic Plants and Biotechnology and the Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, People's Republic of China
| | - Xiao-Nian Li
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, People's Republic of China
| | - Ji-Feng Luo
- Key Laboratory of Economic Plants and Biotechnology and the Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, People's Republic of China
| | - Chun-Lin Long
- College of Life and Environmental Sciences, Minzu University of China, Beijing, 100081, People's Republic of China.
- Key Laboratory of Ethnomedicine (Minzu University of China), Ministry of Education, Beijing, 100081, People's Republic of China.
| | - Yue-Hu Wang
- Key Laboratory of Economic Plants and Biotechnology and the Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, People's Republic of China.
- Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin, Nay Pyi Taw, 05282, Myanmar.
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Abstract
In the past three decades, the heterocyclic oxazine cores have been intensely concerned. Oxazine
derivatives are promising vital heterocyclic motifs. They are eminent for their synthetic potential
and extensive biological properties. Oxazines are versatile intermediates for the synthesis of a variety of
heterocycles and bifunctional compounds. Researchers have reported several synthetic approaches for
the preparation of oxazines. This review emphasises the recent approaches for the synthesis of oxazine
derivatives.
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Affiliation(s)
- Santosh L. Gaonkar
- Department of Chemistry, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Vignesh U. Nagaraj
- Department of Chemistry, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Swarnagowri Nayak
- Department of Chemistry, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
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5
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Yuanqiang Zhu, Wang Y, Liu X, Mo X. Au(I) and Au(III)-Catalyzed Mechanism of the Cyclization Reaction of 3-(Ethynylamino)-1,3-diphenylprop-2-en-1-one. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A 2018. [DOI: 10.1134/s0036024418100394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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6
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Rey-Rodriguez R, Jestin G, Gandon V, Grelier G, Retailleau P, Darses B, Dauban P, Gillaizeau I. Intermolecular Rhodium(II)-Catalyzed Allylic C(sp
3
)-H Amination of Cyclic Enamides. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201701188] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Romain Rey-Rodriguez
- Institute of Organic and Analytical Chemistry, ICOA UMR 7311 CNRS; Université d'Orléans; rue de Chartres 45100 Orléans France
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301, Université Paris-Sud; Université Paris-Saclay; avenue de la terrasse 91198 Gif-sur-Yvette France
| | - Grégory Jestin
- Institute of Organic and Analytical Chemistry, ICOA UMR 7311 CNRS; Université d'Orléans; rue de Chartres 45100 Orléans France
| | - Vincent Gandon
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301, Université Paris-Sud; Université Paris-Saclay; avenue de la terrasse 91198 Gif-sur-Yvette France
- Institut de Chimie Moléculaire et des Matériaux d'Orsay, CNRS UMR 8182; Univ. Paris-Sud, Université Paris-Saclay; 91405 Orsay France
| | - Gwendal Grelier
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301, Université Paris-Sud; Université Paris-Saclay; avenue de la terrasse 91198 Gif-sur-Yvette France
| | - Pascal Retailleau
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301, Université Paris-Sud; Université Paris-Saclay; avenue de la terrasse 91198 Gif-sur-Yvette France
| | - Benjamin Darses
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301, Université Paris-Sud; Université Paris-Saclay; avenue de la terrasse 91198 Gif-sur-Yvette France
| | - Philippe Dauban
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301, Université Paris-Sud; Université Paris-Saclay; avenue de la terrasse 91198 Gif-sur-Yvette France
| | - Isabelle Gillaizeau
- Institute of Organic and Analytical Chemistry, ICOA UMR 7311 CNRS; Université d'Orléans; rue de Chartres 45100 Orléans France
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7
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Grosheva D, Cramer N. Ketene Aminal Phosphates: Competent Substrates for Enantioselective Pd(0)-Catalyzed C–H Functionalizations. ACS Catal 2017. [DOI: 10.1021/acscatal.7b02783] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Daria Grosheva
- 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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8
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Ni-catalyzed Suzuki–Miyaura coupling reactions of pyrimidin-2-yl phosphates, tosylates and pivalates with arylboronic acids. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.10.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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9
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Xing T, Zhang Z, Da YX, Quan ZJ, Wang XC. Iron-Catalyzed Kumada Cross-Coupling Reactions of Pyrimidin-2-yl Phosphates: An Efficient Approach to C2-Functionalized Pyrimidines. ASIAN J ORG CHEM 2015. [DOI: 10.1002/ajoc.201500044] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Ting Xing
- Key Laboratory of Eco-Environment-Related Polymer Materials; Ministry of Education, China; Gansu Key Laboratory of Polymer Materials; College of Chemistry and Chemical Engineering; Northwest Normal University; Lanzhou, Gansu P. R. China)
| | - Zhang Zhang
- Key Laboratory of Eco-Environment-Related Polymer Materials; Ministry of Education, China; Gansu Key Laboratory of Polymer Materials; College of Chemistry and Chemical Engineering; Northwest Normal University; Lanzhou, Gansu P. R. China)
| | - Yu-Xia Da
- Key Laboratory of Eco-Environment-Related Polymer Materials; Ministry of Education, China; Gansu Key Laboratory of Polymer Materials; College of Chemistry and Chemical Engineering; Northwest Normal University; Lanzhou, Gansu P. R. China)
| | - Zheng-Jun Quan
- Key Laboratory of Eco-Environment-Related Polymer Materials; Ministry of Education, China; Gansu Key Laboratory of Polymer Materials; College of Chemistry and Chemical Engineering; Northwest Normal University; Lanzhou, Gansu P. R. China)
| | - Xi-Cun Wang
- Key Laboratory of Eco-Environment-Related Polymer Materials; Ministry of Education, China; Gansu Key Laboratory of Polymer Materials; College of Chemistry and Chemical Engineering; Northwest Normal University; Lanzhou, Gansu P. R. China)
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10
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Gigant N, Honraedt A, Gras E, Gillaizeau I. Efficient Cross-Coupling of Dioxazaborocanes with α-Phosphate Enamides. European J Org Chem 2014. [DOI: 10.1002/ejoc.201402927] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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11
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Begliomini S, Sernissi L, Scarpi D, Occhiato EG. A Short, Chemo-Enzymatic Synthesis of Both Enantiomers oftrans-3-Hydroxypipecolic Acid. European J Org Chem 2014. [DOI: 10.1002/ejoc.201402258] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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12
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Sallio R, Lebrun S, Gigant N, Gillaizeau I, Deniau E. Asymmetric Synthesis of 2-Heteroaryl Cyclic Amines: Total Synthesis of (-)-Anabasine. European J Org Chem 2014. [DOI: 10.1002/ejoc.201402202] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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13
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Abstract
The fundamental heterocyclic compound 1,4-oxazine has been generated using FVP. It is the first parent heterocycle among all the possible isomeric oxazines, thiazines and their heavier atom analogues to be characterised spectroscopically, and is shown to exist in solution entirely as the 4H-isomer. X-ray structure determination of the N-Boc precursor shows significant deviations from theoretically predicted geometric parameters.
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Affiliation(s)
- R Alan Aitken
- EaStCHEM School of Chemistry, University of St Andrews, St Andrews, Fife KY16 9ST, UK.
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14
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Stereoselective photoinduced electrocyclic ring closure of aromatic enehydrazides. Asymmetric synthesis of 3-aryl dihydroisoquinolones and tetrahydroisoquinolines. Tetrahedron 2012. [DOI: 10.1016/j.tet.2012.06.037] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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15
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Sallio R, Lebrun S, Agbossou-Niedercorn F, Michon C, Deniau E. Alternative strategies for the stereoselective synthesis of enantioenriched 6-arylated piperidin-2-ones. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/j.tetasy.2012.06.024] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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16
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Gigant N, Gillaizeau I. Palladium(II)-catalyzed direct alkenylation of nonaromatic enamides. Org Lett 2012; 14:3304-7. [PMID: 22694149 DOI: 10.1021/ol301249n] [Citation(s) in RCA: 97] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
A mild and efficient method for the direct alkenylation of nonaromatic enamides was achieved through a palladium(II)-catalyzed C-H functionalization. The reaction scope includes cyclic and acyclic enamides and a range of activated alkenes. This approach represents the first successful direct C(3)-functionalization of nonaromatic cyclic enamides.
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Affiliation(s)
- Nicolas Gigant
- Institut de Chimie Organique et Analytique, UMR 7311 CNRS, rue de Chartres, Université d'Orléans, F-45067 Orléans Cedex 2, France
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17
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Gigant N, Claveau E, Bouyssou P, Gillaizeau I. Diversity-oriented synthesis of polycyclic diazinic scaffolds. Org Lett 2012; 14:844-7. [PMID: 22260530 DOI: 10.1021/ol203364b] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
An efficient and versatile synthesis of a polycyclic diazinic system starting from oxazine has been developed using a two-step Michael/retro Michael and cyclization sequence. The substrates were synthesized with good to high yields giving rapid access to molecular diversity.
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Affiliation(s)
- Nicolas Gigant
- Institut de Chimie Organique et Analytique, UMR 7311 CNRS, rue de Chartres, Université d'Orléans, F-45067 Orléans Cedex 2, France
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18
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Cieslikiewicz M, Bouet A, Jugé S, Toffano M, Bayardon J, West C, Lewinski K, Gillaizeau I. P-C Cross-Coupling Onto Enamides: Versatile Synthesis of α-Enamido Phosphane Derivatives. European J Org Chem 2012. [DOI: 10.1002/ejoc.201101293] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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19
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Gigant N, Dequirez G, Retailleau P, Gillaizeau I, Dauban P. Catalytic Selective Oxyamidation of Cyclic Enamides using Nitrenes. Chemistry 2011; 18:90-4. [DOI: 10.1002/chem.201102302] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2011] [Indexed: 11/09/2022]
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20
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Sellars JD, Steel PG. Transition metal-catalysed cross-coupling reactions of P-activated enols. Chem Soc Rev 2011; 40:5170-80. [PMID: 21731959 DOI: 10.1039/c1cs15100b] [Citation(s) in RCA: 93] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Transition metal catalysed cross-coupling reactions are ubiquitous in organic chemistry providing an impressive technique for C-C bond formation. Whilst many electrophilic partners have been described for these reactions, aryl and vinyl phosphates, phosphonates and phosphonites can offer advantages in terms of preparation, stability and reactivity profile. This critical review summarises the advances made to date utilising P-activated enols in metal-catalysed cross-coupling reactions (97 references).
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Affiliation(s)
- Jonathan D Sellars
- Department of Chemistry, University of Durham, Science Laboratories, South Road, Durham, DH1 3LE, UK.
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21
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Suzuki–Miyaura cross-coupling and ring-closing metathesis: a strategic combination to the synthesis of indeno[1,2-c]isoquinolin-5,11-diones. Tetrahedron Lett 2011. [DOI: 10.1016/j.tetlet.2011.01.113] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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22
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Li BJ, Yu DG, Sun CL, Shi ZJ. Activation of “Inert” Alkenyl/Aryl CO Bond and Its Application in Cross-Coupling Reactions. Chemistry 2011; 17:1728-59. [DOI: 10.1002/chem.201002273] [Citation(s) in RCA: 394] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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23
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Lindhardt AT, Gøgsig TM, Gauthier D, Lupp D, Mantel MLH, Bjerglund KM, Skrydstrup T. 2-Pyridyl Tosylate Derivatives-Building Blocks for Structural Diversity via Transition Metal Catalysis. Isr J Chem 2010. [DOI: 10.1002/ijch.201000031] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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24
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Abonia R, Castillo J, Insuasty B, Quiroga J, Nogueras M, Cobo J. An Efficient Synthesis of 7-(Arylmethyl)-3-tert-butyl-1-phenyl-6,7-dihydro-1H,4H-pyrazolo[3,4-d][1,3]oxazines. European J Org Chem 2010. [DOI: 10.1002/ejoc.201000678] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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25
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Access to novel bicyclic fused γ-butyrolactone using [3,3]-sigmatropic rearrangement and acid-lactonization sequence as key transformation. Tetrahedron Lett 2010. [DOI: 10.1016/j.tetlet.2010.04.041] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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26
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G. Occhiato E, Prandi C, Scarpi D. Carbonylative Palladium-Catalyzed Reactions of Lactam-, Lactone-, and Thiolactone-Derived Vinyl Triflates and Phosphates for the Synthesis of N-, O-, and S-Heterocycles. HETEROCYCLES 2010. [DOI: 10.3987/rev-09-sr(s)5] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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27
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Reactivity of 5-hydroxy-5,6-dihydro-4H-pyrazines—easy and efficient access to ring-fused polycyclic diazinic systems. Tetrahedron Lett 2009. [DOI: 10.1016/j.tetlet.2009.03.152] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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28
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Claveau E, Gillaizeau I, Kalinowska-Tluscik J, Bouyssou P, Coudert G. Nucleophilic Addition onto Methyl-4H-1,4-oxazine-3-carboxylate Moiety: Short Access to 1,4-Diazine Privileged Substructures. J Org Chem 2009; 74:2911-4. [DOI: 10.1021/jo900291f] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Elise Claveau
- ICOA, UMR CNRS 6005, Université d’Orléans, 45067 Orléans Cedex 2, France, and Faculty of Chemistry, Jagiellonian University, ul. R. Ingardena 3, 30-060 Krakow, Poland
| | - Isabelle Gillaizeau
- ICOA, UMR CNRS 6005, Université d’Orléans, 45067 Orléans Cedex 2, France, and Faculty of Chemistry, Jagiellonian University, ul. R. Ingardena 3, 30-060 Krakow, Poland
| | - Justyna Kalinowska-Tluscik
- ICOA, UMR CNRS 6005, Université d’Orléans, 45067 Orléans Cedex 2, France, and Faculty of Chemistry, Jagiellonian University, ul. R. Ingardena 3, 30-060 Krakow, Poland
| | - Pascal Bouyssou
- ICOA, UMR CNRS 6005, Université d’Orléans, 45067 Orléans Cedex 2, France, and Faculty of Chemistry, Jagiellonian University, ul. R. Ingardena 3, 30-060 Krakow, Poland
| | - Gérard Coudert
- ICOA, UMR CNRS 6005, Université d’Orléans, 45067 Orléans Cedex 2, France, and Faculty of Chemistry, Jagiellonian University, ul. R. Ingardena 3, 30-060 Krakow, Poland
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29
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Yamazaki S, Iwata Y, Fukushima Y. Efficient synthesis of heterocyclic compounds using ethenetricarboxylic acid diesters. Org Biomol Chem 2009; 7:655-9. [PMID: 19194579 DOI: 10.1039/b818878e] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Ethenetricarboxylic acid diester 1a is a useful compound bearing two reactive sites, a CO2H group and a Michael acceptor. Reactions of 1a and reagents with oxygen and nitrogen nucleophilic moieties have been examined. The reaction of 1a with 2-aminoalcohols in the presence of EDCI and HOBt in one pot gave N,O-containing heterocyclic compounds, regioselectively. The stepwise method has also been carried out. Deprotection of N-Boc protected aminoesters, followed by basic aqueous workup, gave various 1,4-oxazine derivatives. Deprotection of the O-TBS protected amides also leads to spontaneous cyclization and affords 1,4-oxazine derivatives. They have the opposite regiochemistry to those from the one-pot reaction. Thus, both ester or amide regioisomers can be prepared. These synthetic methods represent a new general strategy for the construction of diverse heterocyclic systems such as morpholine-derived heterocycles.
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Affiliation(s)
- Shoko Yamazaki
- Department of Chemistry, Nara University of Education, Takabatake-cho, Nara 630-8528, Japan.
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Fuwa H, Sasaki M. Synthesis of 2-Substituted Indoles and Indolines via Suzuki−Miyaura Coupling/5-endo-trig Cyclization Strategies. J Org Chem 2008; 74:212-21. [PMID: 19007181 DOI: 10.1021/jo801985a] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Haruhiko Fuwa
- Laboratory of Biostructural Chemistry, Graduate School of Life Sciences, Tohoku University, 1-1 Tsutsumidori-amamiya, Aoba-ku, Sendai 981-8555, Japan
| | - Makoto Sasaki
- Laboratory of Biostructural Chemistry, Graduate School of Life Sciences, Tohoku University, 1-1 Tsutsumidori-amamiya, Aoba-ku, Sendai 981-8555, Japan
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Chaignaud M, Gillaizeau I, Ouhamou N, Coudert G. New highlights in the synthesis and reactivity of 1,4-dihydropyrazine derivatives. Tetrahedron 2008. [DOI: 10.1016/j.tet.2008.06.080] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Protti S, Fagnoni M. Phosphate esters as “tunable” reagents in organic synthesis. Chem Commun (Camb) 2008:3611-21. [DOI: 10.1039/b801888j] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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