1
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Waser P, Faghtmann J, Gil-Ordóñez M, Kristensen A, Svenningsen EB, Poulsen TB, Jørgensen KA. Enantioselective Synthesis of α-Quaternary Isochromanes by Oxidative Aminocatalysis and Gold Catalysis. Chemistry 2024; 30:e202401354. [PMID: 38629389 DOI: 10.1002/chem.202401354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Indexed: 05/24/2024]
Abstract
A novel strategy that combines oxidative aminocatalysis and gold catalysis allows the preparation of chiral α-quaternary isochromanes, a motif that is prevalent in natural products and synthetic bioactive compounds. In the first step, α-branched aldehydes and propargylic alcohols are transformed into α-quaternary ethers with excellent optical purities (>90 % ee) via oxidative umpolung with DDQ and an amino acid-derived primary amine catalyst. Subsequent gold(I)-catalyzed intramolecular hydroarylation affords the isochromane products with retention of the quaternary stereocenter. A second approach explores the use of allylic alcohols as reaction partners for the oxidative coupling to furnish α-quaternary ethers with generally lower enantiopurities. Stereoretentive cyclization to isochromane products is achieved via intramolecular Friedel-Crafts type alkylation with allylic acetates as a reactive handle. A number of synthetic elaborations and a biological study on these α-quaternary isochromanes highlight the potential applicability of the presented method.
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Affiliation(s)
- Philipp Waser
- Department of Chemistry, Aarhus University, Langelandsgade 140, 8000, Aarhus C, Denmark
| | - Jonas Faghtmann
- Department of Chemistry, Aarhus University, Langelandsgade 140, 8000, Aarhus C, Denmark
| | - Marta Gil-Ordóñez
- Department of Chemistry, Aarhus University, Langelandsgade 140, 8000, Aarhus C, Denmark
| | - Anne Kristensen
- Department of Chemistry, Aarhus University, Langelandsgade 140, 8000, Aarhus C, Denmark
| | - Esben B Svenningsen
- Department of Chemistry, Aarhus University, Langelandsgade 140, 8000, Aarhus C, Denmark
| | - Thomas B Poulsen
- Department of Chemistry, Aarhus University, Langelandsgade 140, 8000, Aarhus C, Denmark
| | - Karl Anker Jørgensen
- Department of Chemistry, Aarhus University, Langelandsgade 140, 8000, Aarhus C, Denmark
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2
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Ziccarelli I, Veltri L, Prestia T, Amuso R, Chiacchio MA, Mancuso R, Gabriele B. Palladium Iodide Catalyzed Multicomponent Carbonylative Synthesis of 2-(4-Acylfuran-2-yl)acetamides. Molecules 2023; 28:6764. [PMID: 37836608 PMCID: PMC10574086 DOI: 10.3390/molecules28196764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 09/15/2023] [Accepted: 09/17/2023] [Indexed: 10/15/2023] Open
Abstract
2-Propargyl-1,3-dicarbonyl compounds have been carbonylated under oxidative conditions and with the catalysis of the PdI2/KI catalytic system to selectively afford previously unreported 2-(4-acylfuran-2-yl)acetamides in fair to good yields (54-81%) over 19 examples. The process takes place under relatively mild conditions and occurs via a mechanistic pathway involving Csp-H activation by oxidative monoamincarbonylation of the terminal triple bond of the substrates with formation of 2-ynamide intermediates, followed by 5-exo-dig O-cyclization (via intramolecular conjugate addition of the in situ formed enolate to the 2-ynamide moiety) and aromative isomerization.
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Affiliation(s)
- Ida Ziccarelli
- Laboratory of Industrial and Synthetic Organic Chemistry (LISOC), Department of Chemistry and Chemical Technologies, University of Calabria, Via Pietro Bucci 12/C, 87036 Arcavacata di Rende, Italy; (I.Z.); (T.P.); (R.A.); (R.M.)
| | - Lucia Veltri
- Laboratory of Industrial and Synthetic Organic Chemistry (LISOC), Department of Chemistry and Chemical Technologies, University of Calabria, Via Pietro Bucci 12/C, 87036 Arcavacata di Rende, Italy; (I.Z.); (T.P.); (R.A.); (R.M.)
| | - Tommaso Prestia
- Laboratory of Industrial and Synthetic Organic Chemistry (LISOC), Department of Chemistry and Chemical Technologies, University of Calabria, Via Pietro Bucci 12/C, 87036 Arcavacata di Rende, Italy; (I.Z.); (T.P.); (R.A.); (R.M.)
| | - Roberta Amuso
- Laboratory of Industrial and Synthetic Organic Chemistry (LISOC), Department of Chemistry and Chemical Technologies, University of Calabria, Via Pietro Bucci 12/C, 87036 Arcavacata di Rende, Italy; (I.Z.); (T.P.); (R.A.); (R.M.)
| | - Maria A. Chiacchio
- Department of Drug Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy;
| | - Raffaella Mancuso
- Laboratory of Industrial and Synthetic Organic Chemistry (LISOC), Department of Chemistry and Chemical Technologies, University of Calabria, Via Pietro Bucci 12/C, 87036 Arcavacata di Rende, Italy; (I.Z.); (T.P.); (R.A.); (R.M.)
| | - Bartolo Gabriele
- Laboratory of Industrial and Synthetic Organic Chemistry (LISOC), Department of Chemistry and Chemical Technologies, University of Calabria, Via Pietro Bucci 12/C, 87036 Arcavacata di Rende, Italy; (I.Z.); (T.P.); (R.A.); (R.M.)
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3
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Huang W, Wang H, Liu B, Shen R, Zhu S. Synthesis of 1,1,4,5-Tetrasubstituted Phthalans via Pd-Catalyzed Three-Component Reactions of Haloarenes, Alkynes, and Protic Nucleophiles. Org Lett 2022; 24:8651-8656. [DOI: 10.1021/acs.orglett.2c03460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Wenliang Huang
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, Jiangxi 330031, People’s Republic of China
| | - Hong Wang
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, Jiangxi 330031, People’s Republic of China
| | - Bin Liu
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, Jiangxi 330031, People’s Republic of China
| | - Ruwei Shen
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 211800, People’s Republic of China
| | - Shugao Zhu
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, Jiangxi 330031, People’s Republic of China
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4
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Mancuso R, Cuglietta S, Strangis R, Gabriele B. Synthesis of Benzothiophene-3-carboxylic Esters by Palladium Iodide-Catalyzed Oxidative Cyclization-Deprotection-Alkoxycarbonylation Sequence under Aerobic Conditions. J Org Chem 2022; 88:5180-5186. [PMID: 35537181 PMCID: PMC10127270 DOI: 10.1021/acs.joc.2c00686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A palladium-catalyzed carbonylative approach to benzothiophene-3-carboxylic esters, starting from simple and readily available building blocks [2-(methylthio)phenylacetylenes, CO, an alcohol, and O2 (from air)], is reported. The process is catalyzed by the simple PdI2/KI catalytic system to give the desired products in fair to high yields (57-83%). Interestingly, the reaction also works nicely in the ionic liquid BmimBF4 as the solvent, with the possibility to recycle the catalytic system several times without appreciable loss of activity.
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Affiliation(s)
- Raffaella Mancuso
- Laboratory of Industrial and Synthetic Organic Chemistry (LISOC), Department of Chemistry and Chemical Technologies, University of Calabria, Via Pietro Bucci 12/C, 87036 Arcavacata di Rende (CS), Italy
| | - Simona Cuglietta
- Laboratory of Industrial and Synthetic Organic Chemistry (LISOC), Department of Chemistry and Chemical Technologies, University of Calabria, Via Pietro Bucci 12/C, 87036 Arcavacata di Rende (CS), Italy
| | - Romina Strangis
- Laboratory of Industrial and Synthetic Organic Chemistry (LISOC), Department of Chemistry and Chemical Technologies, University of Calabria, Via Pietro Bucci 12/C, 87036 Arcavacata di Rende (CS), Italy
| | - Bartolo Gabriele
- Laboratory of Industrial and Synthetic Organic Chemistry (LISOC), Department of Chemistry and Chemical Technologies, University of Calabria, Via Pietro Bucci 12/C, 87036 Arcavacata di Rende (CS), Italy
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5
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Miyakoshi T, Niggli NE, Baudoin O. Remote Construction of N-Heterocycles via 1,4-Palladium Shift-Mediated Double C-H Activation. Angew Chem Int Ed Engl 2022; 61:e202116101. [PMID: 35143094 PMCID: PMC9303548 DOI: 10.1002/anie.202116101] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Indexed: 12/14/2022]
Abstract
In the past years, Pd0‐catalyzed C(sp3)−H activation provided efficient and step‐economical methods to synthesize carbo‐ and heterocycles via direct C(sp2)−C(sp3) bond formation. We report herein that a 1,4‐Pd shift allows access to N‐heterocycles which are difficult to build via a direct reaction. It is shown that o‐bromo‐N‐methylanilines undergo a 1,4‐Pd shift at the N‐methyl group, followed by intramolecular trapping by C(sp2)−H or C(sp3)−H activation at another nitrogen substituent and remote C−C bond formation to generate biologically relevant isoindolines and β‐lactams. The product selectivity is influenced by the employed ligand, with NHCs favoring the product of remote C−C coupling against products arising from direct C−C coupling and N‐demethylation.
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Affiliation(s)
- Takeru Miyakoshi
- University of Basel, Department of Chemistry, St. Johanns-Ring 19, 4056, Basel, Switzerland
| | - Nadja E Niggli
- University of Basel, Department of Chemistry, St. Johanns-Ring 19, 4056, Basel, Switzerland
| | - Olivier Baudoin
- University of Basel, Department of Chemistry, St. Johanns-Ring 19, 4056, Basel, Switzerland
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6
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Metal Promoted Cyclocarbonylation Reactions in the Synthesis of Heterocycles. Catalysts 2022. [DOI: 10.3390/catal12040353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Oxygen and nitrogen heterocycle systems are found in a vast number of natural substrates and biologically active molecules such as antimycotics, antibiotics, antitumors and antioxidants, in addition to pigments and fluorophores [...]
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7
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Miyakoshi T, Niggli NE, Baudoin O. Remote Construction of N‐Heterocycles via 1,4‐Palladium Shift‐Mediated Double C–H Activation. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202116101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Takeru Miyakoshi
- Universität Basel: Universitat Basel Departement Chemie SWITZERLAND
| | | | - Olivier Baudoin
- University of Basel Department of Chemistry St. Johanns-Ring 19 4056 Basel SWITZERLAND
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8
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Abstract
Nitrogen-containing heterocycles are important scaffolds for a large number of compounds with biological, pharmaceutical, industrial and optoelectronic applications. A wide range of different methodologies for the preparation of N-heterocycles are based on metal-catalyzed cyclization of suitable substrates. Due to the growing interest in Green Chemistry criteria over the past two decades, the use of supported metal catalysts in the preparation of N-heterocycles has become a central topic in Organic Chemistry. Here we will give a critical overview of all the solid supported metal catalysts applied in the synthesis of N-heterocycles, following a systematic approach as a function of the type of support: (i) metal catalysts supported on inorganic matrices; (ii) metal catalysts supported on organic matrices; (iii) metal catalysts supported on hybrid inorganic-organic matrices. In particular, we will try to emphasize the effective heterogeneity and recyclability of the described metal catalysts, specifying which studies were carried out in order to evaluate these aspects.
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9
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Matsuoka J, Terashita M, Miyawaki A, Tomioka K, Yamamoto Y. Phosphazene base-catalyzed hydroamination of aminoalkenes for the construction of isoindoline scaffolds: Application to the total synthesis of aristocularine. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2021.153599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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10
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Mancuso R, Ziccarelli I, Novello M, Cuocci C, Centore R, Della Ca' N, Olivieri D, Carfagna C, Gabriele B. A palladium iodide catalyzed regioselective carbonylative route to isocoumarin and thienopyranone carboxylic esters. J Catal 2022. [DOI: 10.1016/j.jcat.2021.11.028] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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11
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DMF as CO Surrogate in Carbonylation Reactions: Principles and Application to the Synthesis of Heterocycles. Catalysts 2021. [DOI: 10.3390/catal11121531] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Transition metal-catalyzed carbonylation reactions have emerged as one of the most relevant synthetic approaches for the preparation of carbonyl-containing molecules. The most commonly used protocol for the insertion of a carbonyl moiety is the use of carbon monoxide (CO) but, due to its toxic and explosive nature, this process is not suitable at an industrial scale. More recently, the chemistry of CO surrogates has received large attention as a way to use less expensive and more environmentally friendly methods. Among the various CO surrogates, N,N-dimethylformamide (DMF) has been paid greater attention due to its low cost and easy availability. This mini-review gives appealing insights into the application of DMF as a CO surrogate in metal-catalyzed carbonylations; in particular, in the first part we will give a general state of the art of these reactions for the preparation of carbonyl-containing molecules; then, we will take into account all the various synthetic approaches for the metal-catalyzed carbonylative synthesis of heterocycles using DMF as a CO surrogate. Each protocol has been discussed critically in order to screen the best synthetic method and to offer perspective on trends and future directions in this field.
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12
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Moniriyan F, Sabounchei SJ. A comparative study of catalytic activity on iron‐based carbon nanostructured catalysts with Pd loading: Using the Box–Behnken design (BBD) method in the Suzuki–Miyaura coupling. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6415] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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13
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Li Y, Zhang CL, Huang WH, Sun N, Hao M, Neumann H, Beller M. A general strategy for the synthesis of α-trifluoromethyl- and α-perfluoroalkyl-β-lactams via palladium-catalyzed carbonylation. Chem Sci 2021; 12:10467-10473. [PMID: 34447539 PMCID: PMC8361786 DOI: 10.1039/d1sc02212a] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 06/30/2021] [Indexed: 11/30/2022] Open
Abstract
β-Lactam compounds play a key role in medicinal chemistry, specifically as the most important class of antibiotics. Here, we report a novel one-step approach for the synthesis of α-(trifluoromethyl)-β-lactams and related products from fluorinated olefins, anilines and CO. Utilization of an advanced palladium catalyst system with the Ruphos ligand allows for selective cycloaminocarbonylations to give diverse fluorinated β-lactams in high yields.
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Affiliation(s)
- Yang Li
- Xi'an Key Laboratory of Textile Chemical Engineering Auxiliaries, School of Environmental and Chemical Engineering, Xi'an Polytechnic University No. 19 Jinhua South Road 710048 Xi'an China
- Leibniz-Institut für Katalyse e.V. RostockAlbert-Einstein-Straße 29a 18059 Rostock Germany
| | - Cai-Lin Zhang
- Xi'an Key Laboratory of Textile Chemical Engineering Auxiliaries, School of Environmental and Chemical Engineering, Xi'an Polytechnic University No. 19 Jinhua South Road 710048 Xi'an China
| | - Wei-Heng Huang
- Leibniz-Institut für Katalyse e.V. RostockAlbert-Einstein-Straße 29a 18059 Rostock Germany
| | - Ning Sun
- Xi'an Key Laboratory of Textile Chemical Engineering Auxiliaries, School of Environmental and Chemical Engineering, Xi'an Polytechnic University No. 19 Jinhua South Road 710048 Xi'an China
| | - Meng Hao
- Xi'an Key Laboratory of Textile Chemical Engineering Auxiliaries, School of Environmental and Chemical Engineering, Xi'an Polytechnic University No. 19 Jinhua South Road 710048 Xi'an China
| | - Helfried Neumann
- Leibniz-Institut für Katalyse e.V. RostockAlbert-Einstein-Straße 29a 18059 Rostock Germany
| | - Matthias Beller
- Leibniz-Institut für Katalyse e.V. RostockAlbert-Einstein-Straße 29a 18059 Rostock Germany
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14
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Palladium Nanoparticles Supported on Smopex-234® as Valuable Catalysts for the Synthesis of Heterocycles. Catalysts 2021. [DOI: 10.3390/catal11060706] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Supported catalysts are important tools for developing green-economy-based processes. Palladium nanoparticles (NPs) that are immobilized on two fibers developed as metal scavengers (i.e., Smopex®-234 and Smopex®-111, 1% w/w) have been prepared and tested in copper-free cyclocarbonylative Sonogashira reactions. Their catalytic activity has been compared with that of a homogeneous catalyst (i.e., PdCl2(PPh3)2). Pd/Smopex®-234 showed high activity and selectivity in the synthesis of functionalized heterocycles, such as phthalans and isochromans, even when working with a very low amount of palladium (0.2–0.5 mol%). The extension of Pd/Smopex®-234 promoted cyclocarbonylative reactions to propargyl and homopropargyl amides afforded the corresponding isoindoline and dihydrobenzazepine derivatives. A preliminary test on Pd NPs leaching into the solution (1.7 × 10−3 mg) seems to indicate that, at the end of the reaction, almost all of the active metal is present on the fiber surface.
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15
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Kim T, Kim JY, Park KY, Ryu DH. Asymmetric Synthesis of (−)‐Dictyopterene C' and its Derivatives via Catalytic Enantioselective Cyclopropanation. B KOREAN CHEM SOC 2021. [DOI: 10.1002/bkcs.12250] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Taehyeong Kim
- Department of Chemistry Sungkyunkwan University Jangan, Suwon 16419 Korea
| | - Jae Yeon Kim
- Department of Chemistry Sungkyunkwan University Jangan, Suwon 16419 Korea
| | - Kyung Yee Park
- Department of Chemistry Sungkyunkwan University Jangan, Suwon 16419 Korea
| | - Do Hyun Ryu
- Department of Chemistry Sungkyunkwan University Jangan, Suwon 16419 Korea
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16
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Buil ML, Collado A, Esteruelas MA, Gómez-Gallego M, Izquierdo S, Nicasio AI, Oñate E, Sierra MA. Preparation and Degradation of Rhodium and Iridium Diolefin Catalysts for the Acceptorless and Base-Free Dehydrogenation of Secondary Alcohols. Organometallics 2021; 40:989-1003. [PMID: 35692372 PMCID: PMC9180741 DOI: 10.1021/acs.organomet.1c00068] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Indexed: 01/21/2023]
Abstract
![]()
Rhodium
and iridium diolefin catalysts for the acceptorless and
base-free dehydrogenation of secondary alcohols have been prepared,
and their degradation has been investigated, during the study of the
reactivity of the dimers [M(μ-Cl)(η4-C8H12)]2 (M = Rh (1), Ir
(2)) and [M(μ-OH)(η4-C8H12)]2 (M = Rh (3), Ir (4)) with 1,3-bis(6′-methyl-2′-pyridylimino)isoindoline
(HBMePHI). Complex 1 reacts with HBMePHI, in dichloromethane,
to afford equilibrium mixtures of 1, the mononuclear
derivative RhCl(η4-C8H12){κ1-Npy-(HBMePHI)} (5), and the binuclear species [RhCl(η4-C8H12)]2{μ-Npy,Npy-(HBMePHI)} (6). Under
the same conditions, complex 2 affords the iridium counterparts
IrCl(η4-C8H12){κ1-Npy-(HBMePHI)} (7) and [IrCl(η4-C8H12)]2{μ-Npy,Npy-(HBMePHI)} (8). In contrast to chloride,
one of the hydroxide groups of 3 and 4 promotes
the deprotonation of HBMePHI to give [M(η4-C8H12)]2(μ-OH){μ-Npy,Niso-(BMePHI)} (M = Rh
(9), Ir (10)), which are efficient precatalysts
for the acceptorless and base-free dehydrogenation of secondary alcohols.
In the presence of KOtBu, the [BMePHI]− ligand undergoes three different degradations: alcoholysis
of an exocyclic isoindoline-N double bond, alcoholysis of a pyridyl-N
bond, and opening of the five-membered ring of the isoindoline core.
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Affiliation(s)
- María L. Buil
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Alba Collado
- Departamento de Química Orgánica I, Facultad de CC. Químicas, Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad Complutense de Madrid, 28040 Madrid, Spain
| | - Miguel A. Esteruelas
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Mar Gómez-Gallego
- Departamento de Química Orgánica I, Facultad de CC. Químicas, Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad Complutense de Madrid, 28040 Madrid, Spain
| | - Susana Izquierdo
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Antonio I. Nicasio
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Enrique Oñate
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Miguel A. Sierra
- Departamento de Química Orgánica I, Facultad de CC. Químicas, Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad Complutense de Madrid, 28040 Madrid, Spain
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17
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Kaur M, Garg S, Malhi DS, Sohal HS. A Review on Synthesis, Reactions and Biological Properties of Seven Membered Heterocyclic Compounds: Azepine, Azepane, Azepinone. CURR ORG CHEM 2021. [DOI: 10.2174/1385272825999210104222338] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Seven membered heterocyclic Azepine and its derivatives have great pharmacological
and therapeutic implications. In this review, the literature of the last fifty years has
been exploited for the synthesis, reaction, and biological properties of these seven-member
heterocyclic compounds. Most of the mechanisms involved the ring expansion of either five
or six-membered compounds using various methods such as thermally, photo-chemically, and
microwave irradiation. The systematically designed schemes involve the synthesis of different
derivatives of azepine, azepinone, azepane, etc., using similar moieties by various researchers.
However, there is much work yet to be done in the biological section, as it is not
explored and reported in the literature; therefore, N-containing seven-membered heterocycles
still have much scope for the researchers.
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Affiliation(s)
- Manvinder Kaur
- Department of Chemistry, Chandigarh University, Gharuan-140413, Mohali, Punjab, India
| | - Sonali Garg
- Department of Chemistry, Chandigarh University, Gharuan-140413, Mohali, Punjab, India
| | - Dharambeer S. Malhi
- Department of Chemistry, Chandigarh University, Gharuan-140413, Mohali, Punjab, India
| | - Harvinder S. Sohal
- Department of Chemistry, Chandigarh University, Gharuan-140413, Mohali, Punjab, India
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18
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Zhou F, Li C, Li M, Jin Y, Jiang H, Zhang Y, Wu W. Synthesis of 2-isoxazolyl-2,3-dihydrobenzofurans via palladium-catalyzed cascade cyclization of alkenyl ethers. Chem Commun (Camb) 2021; 57:4799-4802. [DOI: 10.1039/d1cc00709b] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient palladium-catalyzed cascade cyclization reaction of alkenyl ethers with alkynyl oxime ethers for the construction of poly-heterocyclic scaffolds has been developed.
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Affiliation(s)
- Fei Zhou
- State Key Laboratory of Pulp and Paper Engineering
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510640
- China
| | - Can Li
- State Key Laboratory of Pulp and Paper Engineering
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510640
- China
| | - Meng Li
- State Key Laboratory of Pulp and Paper Engineering
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510640
- China
| | - Yangbin Jin
- State Key Laboratory of Pulp and Paper Engineering
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510640
- China
| | - Huanfeng Jiang
- State Key Laboratory of Pulp and Paper Engineering
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510640
- China
| | - Yingjun Zhang
- State Key Laboratory of Anti-Infective Drug Development (NO. 2015DQ780357)
- Sunshine Lake Pharma Company, Ltd
- China
| | - Wanqing Wu
- State Key Laboratory of Pulp and Paper Engineering
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510640
- China
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19
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Veltri L, Prestia T, Russo P, Clementi C, Vitale P, Ortica F, Gabriele B. Synthesis of Luminescent Fused Imidazole Bicyclic Acetic Esters by a Multicomponent Palladium Iodide‐Catalyzed Oxidative Alkoxycarbonylation Approach. ChemCatChem 2020. [DOI: 10.1002/cctc.202001693] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Lucia Veltri
- Laboratory of Industrial and Synthetic Organic Chemistry (LISOC) Department of Chemistry and Chemical Technologies University of Calabria Via Pietro Bucci 12/C 87036 Arcavacata di Rende CS Italy
| | - Tommaso Prestia
- Laboratory of Industrial and Synthetic Organic Chemistry (LISOC) Department of Chemistry and Chemical Technologies University of Calabria Via Pietro Bucci 12/C 87036 Arcavacata di Rende CS Italy
| | - Patrizio Russo
- Laboratory of Industrial and Synthetic Organic Chemistry (LISOC) Department of Chemistry and Chemical Technologies University of Calabria Via Pietro Bucci 12/C 87036 Arcavacata di Rende CS Italy
| | - Catia Clementi
- Dipartimento di Chimica, Biologia e Biotecnologie Sezione di Chimica Fisica Università degli Studi di Perugia Via Elce di Sotto, 8 06123 Perugia Italy
| | - Paola Vitale
- Department of Pharmacy – Pharmaceutical Sciences University of Bari “Aldo Moro” Via E. Orabona 4 70125 Bari Italy
| | - Fausto Ortica
- Dipartimento di Chimica, Biologia e Biotecnologie Sezione di Chimica Fisica Università degli Studi di Perugia Via Elce di Sotto, 8 06123 Perugia Italy
| | - Bartolo Gabriele
- Laboratory of Industrial and Synthetic Organic Chemistry (LISOC) Department of Chemistry and Chemical Technologies University of Calabria Via Pietro Bucci 12/C 87036 Arcavacata di Rende CS Italy
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20
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Zhao Z, Kang K, Yue J, Ji X, Qiao H, Fan P, Zheng X. Research progress in biological activities of isochroman derivatives. Eur J Med Chem 2020; 210:113073. [PMID: 33310287 DOI: 10.1016/j.ejmech.2020.113073] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 11/16/2020] [Accepted: 11/29/2020] [Indexed: 10/22/2022]
Abstract
Isochromans are well recognized heterocyclic compounds in drug discovery which produce diverse therapeutically related applications in pharmacological practices. Medicinal chemistry investigators have synthesized drug-like isochroman candidates with multiple medicinal features including central nervous system (CNS), antioxidant, antimicrobial, antihypertensive, antitumor and anti-inflammatory agents. Simultaneously, SAR (Structure-Activity Relationship) analysis has drawn attentions among medicinal chemists, along with a great deal of derivatives have been derived for potential targets. In this article, we thoroughly summarize the biological activities and part of typical SAR for isochroman derivatives reported on existing literatures and patents, wishing to provide an overall retrospect and prospect on the isochroman analogues.
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Affiliation(s)
- Zefeng Zhao
- College of Acupuncture & Massage, Shaanxi University of Chinese Medicine, Xixian New Area, Shaanxi Province, 712046, PR China; Shaanxi Key Laboratory of Acupuncture & Medicine, Xixian New Area, Shaanxi Province, 712046, PR China; School of Pharmacy, Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Biomedicine Key Laboratory of Shaanxi Province, Northwest University, 229 Taibai Road, Xi'an, 710069, PR China
| | - Kaiwen Kang
- Shaanxi Key Laboratory of Acupuncture & Medicine, Xixian New Area, Shaanxi Province, 712046, PR China
| | - Jiangxin Yue
- Shaanxi Key Laboratory of Acupuncture & Medicine, Xixian New Area, Shaanxi Province, 712046, PR China
| | - Xiaotong Ji
- Shaanxi Key Laboratory of Acupuncture & Medicine, Xixian New Area, Shaanxi Province, 712046, PR China
| | - Haifa Qiao
- College of Acupuncture & Massage, Shaanxi University of Chinese Medicine, Xixian New Area, Shaanxi Province, 712046, PR China; Shaanxi Key Laboratory of Acupuncture & Medicine, Xixian New Area, Shaanxi Province, 712046, PR China.
| | - Peinan Fan
- School of Pharmacy, Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Biomedicine Key Laboratory of Shaanxi Province, Northwest University, 229 Taibai Road, Xi'an, 710069, PR China
| | - Xiaohui Zheng
- School of Pharmacy, Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Biomedicine Key Laboratory of Shaanxi Province, Northwest University, 229 Taibai Road, Xi'an, 710069, PR China
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21
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From Alkynes to Heterocycles through Metal-Promoted Silylformylation and Silylcarbocyclization Reactions. Catalysts 2020. [DOI: 10.3390/catal10091012] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Oxygen and nitrogen heterocyclic systems are present in a large number of natural and synthetic compounds. In particular, oxa- and aza-silacyclane, tetrahydrofuran, benzofuran, cycloheptadifuranone, cycloheptadipyrrolone, pyrrolidine, lactone, lactam, phthalan, isochromanone, tetrahydroisoquinolinone, benzoindolizidinone, indoline and indolizidine scaffolds are present in many classes of biologically active molecules. Most of these contain a C=O moiety which can be easily introduced using carbonylative reaction conditions. In this field, intramolecular silylformylation and silylcarbocyclization reactions may afford heterocyclic compounds containing a carbonyl functional group together with a vinylsilane moiety which can be further transformed. Considering these two aspects, in this review a detailed analysis of the literature data regarding the application of silylformylation and silylcarbocyclization reactions to the synthesis of several heterocyclic derivatives is reported.
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22
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Albano G, Giuntini S, Aronica LA. Synthesis of 3-Alkylideneisoindolin-1-ones via Sonogashira Cyclocarbonylative Reactions of 2-Ethynylbenzamides. J Org Chem 2020; 85:10022-10034. [PMID: 32615762 PMCID: PMC8154568 DOI: 10.1021/acs.joc.0c01282] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Cyclocarbonylative Sonogashira reactions of ortho-ethynylbenzamides have been investigated. The process is carried out under CO pressure, in the presence of a very small amount of PdCl2(PPh3)2 (0.4 mol %) as a catalytic precursor and without the need for a Cu salt as the co-catalyst. 2-Ethynylbenzamide reacted successfully with iodoarenes bearing electron-withdrawing and electron-donating groups, giving rise to different classes of compounds depending on the solvent used. On the contrary, N-(4-chlorophenyl)-2-ethynylbenzamide afforded exclusively polyfunctionalized isoindolinones with high stereoselectivity toward (E) isomers.
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Affiliation(s)
- Gianluigi Albano
- Dipartimento di Chimica e Chimica Industriale, Università di Pisa, Via Giuseppe Moruzzi 13, 56124 Pisa, Italy
| | - Stefano Giuntini
- Dipartimento di Chimica "Ugo Schiff", Università degli Studi di Firenze, Via della Lastruccia 3, 50019 Sesto Fiorentino, Italy.,Centro di Risonanze Magnetiche (CERM), Università degli Studi di Firenze and Consorzio Interuniversitario Risonanze Magnetiche di Metallo Proteine (CIRMMP), Via Luigi Sacconi 6, 50019 Sesto Fiorentino, Italy
| | - Laura Antonella Aronica
- Dipartimento di Chimica e Chimica Industriale, Università di Pisa, Via Giuseppe Moruzzi 13, 56124 Pisa, Italy
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23
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Buil ML, Esteruelas MA, Izquierdo S, Nicasio AI, Oñate E. N–H and C–H Bond Activations of an Isoindoline Promoted by Iridium- and Osmium-Polyhydride Complexes: A Noninnocent Bridge Ligand for Acceptorless and Base-Free Dehydrogenation of Secondary Alcohols. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00316] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- María L. Buil
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Miguel A. Esteruelas
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Susana Izquierdo
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Antonio I. Nicasio
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Enrique Oñate
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
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24
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Tsujihara T, Yamauchi H, Tamura S, Takehara T, Suzuki T, Kawano T. Diastereoselective direct amidation/aza-Michael cascade reaction to synthesize cis-1,3-disubstituted isoindolines. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2020.152122] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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25
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Yang Y, Fu R, Liu Y, Cai J, Zeng X. Microwave-promoted one-pot three-component synthesis of 2,3-dihydroquinazolin-4(1H)-ones catalyzed by heteropolyanion-based ionic liquids under solvent-free conditions. Tetrahedron 2020. [DOI: 10.1016/j.tet.2020.131312] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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26
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Regio- and stereoselective intramolecular hydroalkoxylation of aromatic alkynols: an access to dihydroisobenzofurans under transition-metal-free conditions. CHEMICAL PAPERS 2020. [DOI: 10.1007/s11696-020-01159-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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27
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Igei M, Shiri A, Bakavoli M, Azizollahi H. Synthesis of Pyrimido[4,5- e]tetrazolo[5,1- b][1,3,4]thiadiazepine as a Novel Fused Heterocyclic System. Polycycl Aromat Compd 2020. [DOI: 10.1080/10406638.2018.1458740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Mansoore Igei
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Ali Shiri
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Mehdi Bakavoli
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Hamid Azizollahi
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
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28
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Feng B, Yang Y, You J. Palladium-catalyzed denitrative Sonogashira-type cross-coupling of nitrobenzenes with terminal alkynes. Chem Commun (Camb) 2020; 56:790-793. [DOI: 10.1039/c9cc08663c] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Described herein is a palladium-catalyzed cross-coupling reaction between nitroarenes and terminal alkynes, offering a facile method for C(sp2)–C(sp) bond formation.
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Affiliation(s)
- Boya Feng
- Key Laboratory of Green Chemistry and Technology of Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
- P. R. China
| | - Yudong Yang
- Key Laboratory of Green Chemistry and Technology of Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
- P. R. China
| | - Jingsong You
- Key Laboratory of Green Chemistry and Technology of Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
- P. R. China
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29
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Li J, Wang ZB, Xu Y, Lu XC, Zhu SR, Liu L. Catalyst-free cyclization of anthranils and cyclic amines: one-step synthesis of rutaecarpine. Chem Commun (Camb) 2019; 55:12072-12075. [PMID: 31536093 DOI: 10.1039/c9cc06160f] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
An efficient synthesis of a variety of quinazolinone derivatives via a direct cyclization reaction between commercially available anthranils and cyclic amines is described. The developed transformation proceeds with the merits of high step- and atom-efficiency, a broad substrate scope, and good to excellent yields, without additional catalysts, and offers a practical way for the preparation of rutaecarpine and its derivatives with structural diversity.
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Affiliation(s)
- Jian Li
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Pharmaceutical Engineering & Life Sciences, Changzhou University, Changzhou, 213164, China.
| | - Zheng-Bing Wang
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Pharmaceutical Engineering & Life Sciences, Changzhou University, Changzhou, 213164, China.
| | - Yue Xu
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Pharmaceutical Engineering & Life Sciences, Changzhou University, Changzhou, 213164, China.
| | - Xue-Chen Lu
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Pharmaceutical Engineering & Life Sciences, Changzhou University, Changzhou, 213164, China.
| | - Shang-Rong Zhu
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Pharmaceutical Engineering & Life Sciences, Changzhou University, Changzhou, 213164, China.
| | - Li Liu
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Pharmaceutical Engineering & Life Sciences, Changzhou University, Changzhou, 213164, China.
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30
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Mertens MAS, Thomas F, Nöth M, Moegling J, El‐Awaad I, Sauer DF, Dhoke GV, Xu W, Pich A, Herres‐Pawlis S, Schwaneberg U. One‐Pot Two‐Step Chemoenzymatic Cascade for the Synthesis of a Bis‐benzofuran Derivative. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900904] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
| | - Fabian Thomas
- Aachen Institute of Inorganic Chemistry Landoltweg 1 52074 Aachen Germany
| | - Maximilian Nöth
- Institute of Biotechnology RWTH Aachen University Worringerweg 3 52074 Aachen Germany
- DWI Leipniz‐Institut für Interaktive Materialien e.V. Forckenbeckstr. 50 52056 Aachen Germany
| | - Julian Moegling
- Aachen Institute of Inorganic Chemistry Landoltweg 1 52074 Aachen Germany
| | - Islam El‐Awaad
- Institute of Biotechnology RWTH Aachen University Worringerweg 3 52074 Aachen Germany
- DWI Leipniz‐Institut für Interaktive Materialien e.V. Forckenbeckstr. 50 52056 Aachen Germany
- Department of Pharmacognosy Faculty of Pharmacy Assiut University 71526 Assiut Egypt
| | - Daniel F. Sauer
- Institute of Biotechnology RWTH Aachen University Worringerweg 3 52074 Aachen Germany
| | - Gaurao V. Dhoke
- Institute of Biotechnology RWTH Aachen University Worringerweg 3 52074 Aachen Germany
| | - Wenjing Xu
- DWI Leipniz‐Institut für Interaktive Materialien e.V. Forckenbeckstr. 50 52056 Aachen Germany
| | - Andrij Pich
- DWI Leipniz‐Institut für Interaktive Materialien e.V. Forckenbeckstr. 50 52056 Aachen Germany
| | | | - Ulrich Schwaneberg
- Institute of Biotechnology RWTH Aachen University Worringerweg 3 52074 Aachen Germany
- DWI Leipniz‐Institut für Interaktive Materialien e.V. Forckenbeckstr. 50 52056 Aachen Germany
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31
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Das BG, Shah S, Singh VK. Copper Catalyzed One-Pot Three-Component Imination-Alkynylation-aza-Michael Sequence: Enantio- and Diastereoselective Syntheses of 1,3-Disubstituted Isoindolines and Tetrahydroisoquinolines. Org Lett 2019; 21:4981-4985. [PMID: 31247736 DOI: 10.1021/acs.orglett.9b01507] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
An enantio- and diastereoselective syntheses of 1, 3-disubstituted isoindolines and tetrahydroisoquinolines via CuI-Pybox-diPh catalyzed one-pot imination-alkynylation-aza-Michael sequence has been reported. The three-component reaction produces one C-C and two C-N bonds sequentially with high yield (up to 92%), enantioselectivity (up to 99%), and diastereoselectivity (up to 9:1) in a single operation. Furthermore, the synthetic utility of the product has been demonstrated by LiAlH4 reduction of ester and hydrogenation of alkyne functionality without losing the stereoselectivity.
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Affiliation(s)
- Braja Gopal Das
- Department of Chemistry , Indian Institute of Technology Kanpur , Kanpur - 208016 , Uttar Pradesh , India
| | - Sadhna Shah
- Department of Chemistry , Indian Institute of Technology Kanpur , Kanpur - 208016 , Uttar Pradesh , India
| | - Vinod K Singh
- Department of Chemistry , Indian Institute of Technology Kanpur , Kanpur - 208016 , Uttar Pradesh , India
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32
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Carvalho TO, Carvalho PHPR, Correa JR, Guido BC, Medeiros GA, Eberlin MN, Coelho SE, Domingos JB, Neto BAD. Palladium Catalyst with Task-Specific Ionic Liquid Ligands: Intracellular Reactions and Mitochondrial Imaging with Benzothiadiazole Derivatives. J Org Chem 2019; 84:5118-5128. [DOI: 10.1021/acs.joc.9b00130] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Thiago O. Carvalho
- Laboratory of Medicinal and Technological Chemistry, University of Brasília, Chemistry Institute (IQ-UnB), Campus Universitário Darcy Ribeiro, Brasília, Distrito Federal 70904-970, Brazil
| | - Pedro H. P. R. Carvalho
- Laboratory of Medicinal and Technological Chemistry, University of Brasília, Chemistry Institute (IQ-UnB), Campus Universitário Darcy Ribeiro, Brasília, Distrito Federal 70904-970, Brazil
| | - Jose R. Correa
- Laboratory of Medicinal and Technological Chemistry, University of Brasília, Chemistry Institute (IQ-UnB), Campus Universitário Darcy Ribeiro, Brasília, Distrito Federal 70904-970, Brazil
| | - Bruna C. Guido
- Laboratory of Medicinal and Technological Chemistry, University of Brasília, Chemistry Institute (IQ-UnB), Campus Universitário Darcy Ribeiro, Brasília, Distrito Federal 70904-970, Brazil
| | - Gisele A. Medeiros
- Laboratory of Medicinal and Technological Chemistry, University of Brasília, Chemistry Institute (IQ-UnB), Campus Universitário Darcy Ribeiro, Brasília, Distrito Federal 70904-970, Brazil
| | - Marcos N. Eberlin
- ThoMSon Mass Spectrometry Laboratory, University of Campinas-UNICAMP, P.O. Box 6154, Campinas, São Paulo 13083-970, Brazil
- Schoool of Engeneering, Mackenzie Presbyterian University, São Paulo, São Paulo 01302-907, Brazil
| | - Sara E. Coelho
- Laboratory of Biomimetic Catalysis (LaCBio), Chemistry Department, Universidade Federal de Santa Catarina, Campus Trindade, Florianópolis, Santa Catarina 88040-900, Brazil
| | - Josiel B. Domingos
- Laboratory of Biomimetic Catalysis (LaCBio), Chemistry Department, Universidade Federal de Santa Catarina, Campus Trindade, Florianópolis, Santa Catarina 88040-900, Brazil
| | - Brenno A. D. Neto
- Laboratory of Medicinal and Technological Chemistry, University of Brasília, Chemistry Institute (IQ-UnB), Campus Universitário Darcy Ribeiro, Brasília, Distrito Federal 70904-970, Brazil
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33
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Albano G, Morelli M, Lissia M, Aronica LA. Synthesis of Functionalised Indoline and Isoquinoline Derivatives through a Silylcarbocyclisation/Desilylation Sequence. ChemistrySelect 2019. [DOI: 10.1002/slct.201900524] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Gianluigi Albano
- Dipartimento di Chimica e Chimica Industriale; University of Pisa, Via G. Moruzzi 13; 56124 Pisa Italy Fax: (+)390502219260
| | - Martina Morelli
- Dipartimento di Chimica e Chimica Industriale; University of Pisa, Via G. Moruzzi 13; 56124 Pisa Italy Fax: (+)390502219260
| | - Margherita Lissia
- Dipartimento di Chimica e Chimica Industriale; University of Pisa, Via G. Moruzzi 13; 56124 Pisa Italy Fax: (+)390502219260
| | - Laura A. Aronica
- Dipartimento di Chimica e Chimica Industriale; University of Pisa, Via G. Moruzzi 13; 56124 Pisa Italy Fax: (+)390502219260
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34
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Jean A, Rouden J, Maddaluno J, De Paolis M, Blanchet J. Catalytic and metal-free intramolecular hydroalkoxylation of alkynes. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.01.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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35
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Nakamura S, Tokunaga A, Saito H, Kondo M. Enantioselective conjugate addition of an α,α-dithioacetonitrile with nitroalkenes using chiral bis(imidazoline)–Pd complexes. Chem Commun (Camb) 2019; 55:5391-5394. [DOI: 10.1039/c9cc02443c] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The first highly enantioselective reaction of α,α-dithioacetonitriles with nitroolefins as electron deficient olefins using chiral Phebim–Pd catalysts was developed.
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Affiliation(s)
- Shuichi Nakamura
- Department of Life Science and Applied Chemistry
- Graduate School of Engineering
- Nagoya Institute of Technology
- Nagoya 466-8555
- Japan
| | - Akari Tokunaga
- Department of Life Science and Applied Chemistry
- Graduate School of Engineering
- Nagoya Institute of Technology
- Nagoya 466-8555
- Japan
| | - Hikari Saito
- Department of Life Science and Applied Chemistry
- Graduate School of Engineering
- Nagoya Institute of Technology
- Nagoya 466-8555
- Japan
| | - Masaru Kondo
- Department of Life Science and Applied Chemistry
- Graduate School of Engineering
- Nagoya Institute of Technology
- Nagoya 466-8555
- Japan
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36
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Micic N, Polyzos A. Radical Carbonylation Mediated by Continuous-Flow Visible-Light Photocatalysis: Access to 2,3-Dihydrobenzofurans. Org Lett 2018; 20:4663-4666. [DOI: 10.1021/acs.orglett.8b01971] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Nenad Micic
- School of Chemistry, The University of Melbourne, Parkville, Victoria 3010, Australia
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37
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Palladium‐Catalyzed Cascade Cyclization/Alkynylation and Alkenylation of Alkynone
O
‐Methyloximes with Terminal Alkynes. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800444] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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38
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Xing S, Cui H, Qin J, Gu N, Zhang B, Wang K, Wang Y, Xia L, Wang Y. Diastereoselective synthesis ofcis-1,3-disubstituted isoindolinesviaa highly site-selective tandem cyclization reaction. Org Chem Front 2018. [DOI: 10.1039/c8qo00316e] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
A highly site-selective tandem reaction involving regioselective ring opening of aziridines and Michael addition of electron-deficient alkenes has been described.
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Affiliation(s)
- Siyang Xing
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules; Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry (Tianjin Normal University)
- Ministry of Education; College of Chemistry
- Tianjin Normal University
- Tianjin 300387
- People's Republic of China
| | - Hong Cui
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules; Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry (Tianjin Normal University)
- Ministry of Education; College of Chemistry
- Tianjin Normal University
- Tianjin 300387
- People's Republic of China
| | - Jiajing Qin
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules; Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry (Tianjin Normal University)
- Ministry of Education; College of Chemistry
- Tianjin Normal University
- Tianjin 300387
- People's Republic of China
| | - Nan Gu
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules; Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry (Tianjin Normal University)
- Ministry of Education; College of Chemistry
- Tianjin Normal University
- Tianjin 300387
- People's Republic of China
| | - Bowei Zhang
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules; Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry (Tianjin Normal University)
- Ministry of Education; College of Chemistry
- Tianjin Normal University
- Tianjin 300387
- People's Republic of China
| | - Kui Wang
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules; Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry (Tianjin Normal University)
- Ministry of Education; College of Chemistry
- Tianjin Normal University
- Tianjin 300387
- People's Republic of China
| | - Ying Wang
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules; Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry (Tianjin Normal University)
- Ministry of Education; College of Chemistry
- Tianjin Normal University
- Tianjin 300387
- People's Republic of China
| | - Li Xia
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules; Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry (Tianjin Normal University)
- Ministry of Education; College of Chemistry
- Tianjin Normal University
- Tianjin 300387
- People's Republic of China
| | - Yumeng Wang
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules; Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry (Tianjin Normal University)
- Ministry of Education; College of Chemistry
- Tianjin Normal University
- Tianjin 300387
- People's Republic of China
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