1
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Rao WH, Gao C, Jiang LL, Zhou FY, Liu JF, Zou GD. Aerobic Copper-Catalyzed Oxysulfonylation of Vinylarenes with Sodium Sulfinates under Mild Conditions: A Modular Synthesis of β-Ketosulfones. J Org Chem 2024. [PMID: 39167724 DOI: 10.1021/acs.joc.4c01660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/23/2024]
Abstract
An aerobic copper-catalyzed oxysulfonylation of vinylarenes with sodium sulfinates is described. This protocol features mild reaction conditions, convenient operation, and broad substrate scope with respect to vinylarenes and sodium sulfinates. Notably, the protocol demonstrates excellent tolerance of functional groups such as chloro, bromo, ester, cyano, and nitro groups. Mechanistic investigations indicated that the reaction should undergo radical cascades involving a sulfonyl radical generated from sodium sulfinate with air as the terminal oxidant, addition across alkene to deliver a benzylic radical, and subsequent cross-coupling with air.
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Affiliation(s)
- Wei-Hao Rao
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, China
| | - Chang Gao
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, China
| | - Li-Li Jiang
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, China
| | - Fu-Yu Zhou
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, China
| | - Jia-Fan Liu
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, China
| | - Guo-Dong Zou
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, China
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2
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Chhikara A, Kaur N, Wolke EB, Boes EA, Nguyen AM, Ariyarathna JP, Baskaran P, Villa CE, Pham AH, Kremenets VJ, Kutcher SR, Truong JT, Li W. Olefin Difunctionalization for the Synthesis of Tetrahydroisoquinoline, Morpholine, Piperazine, and Azepane. Org Lett 2024; 26:84-88. [PMID: 38171009 DOI: 10.1021/acs.orglett.3c03690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
This report outlines a versatile strategy for synthesizing a diverse array of N-heterocycles. By the utilization of common olefins, this simple protocol facilitates their coupling with various bifunctional reagents. Furthermore, it can be integrated with C-H amination techniques to directly produce N-heterocycles in a multicomponent cascade coupling process. The unique bond disconnection logic employed in this process underscores its efficiency in achieving rapid simplification through cascade couplings.
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Affiliation(s)
- Akanksha Chhikara
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Navdeep Kaur
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Ernest B Wolke
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Emily A Boes
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Alex M Nguyen
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Jeewani P Ariyarathna
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Prabagar Baskaran
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Chloe E Villa
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Anthony H Pham
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Victoria J Kremenets
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Sydney R Kutcher
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Jonathon T Truong
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Wei Li
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
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3
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Mori T, Abe K, Shirakawa S. Asymmetric Synthesis of α-Spiro-γ-lactones and α-Substituted γ-Lactones via Chiral Bifunctional Sulfide-Catalyzed Bromolactonizations. J Org Chem 2023. [PMID: 36697373 DOI: 10.1021/acs.joc.2c02283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
An efficient enantioselective synthesis of γ-chiral α-spiro-γ-lactones, which are important building blocks for pharmaceuticals, was achieved via BINOL-derived chiral bifunctional sulfide-catalyzed bromolactonizations of α-allyl carboxylic acids containing either hetero- or carbocyclic structures. Transformations of the resultant α-spiro-type bromolactonization product were examined to obtain optically active γ-functionalized α-spiro-γ-lactones. The utility of this catalytic system was also demonstrated in the asymmetric synthesis of α,α-diaryl- and dialkyl-substituted γ-lactones.
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Affiliation(s)
- Taiki Mori
- Department of Environmental Science, Graduate School of Fisheries and Environmental Sciences, Nagasaki University, 1-14, Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Koki Abe
- Department of Environmental Science, Graduate School of Fisheries and Environmental Sciences, Nagasaki University, 1-14, Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Seiji Shirakawa
- Department of Environmental Science, Graduate School of Fisheries and Environmental Sciences, Nagasaki University, 1-14, Bunkyo-machi, Nagasaki 852-8521, Japan
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4
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Modular total syntheses of trans-clerodanes and sesquiterpene (hydro)quinones via tail-to-head cyclization and reductive coupling strategies. Nat Commun 2022; 13:6633. [PMID: 36333313 PMCID: PMC9636166 DOI: 10.1038/s41467-022-34404-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 10/24/2022] [Indexed: 11/06/2022] Open
Abstract
The trans-clerodanes and sesquiterpene (hydro)quinones are a growing class of natural products that exhibit a wide range of biological activities. Although they are different types of natural products, some of them feature the same trans-decalin core structure. Here, we report the total syntheses of two members of trans-clerodanes, five members of sesquiterpene (hydro)quinones as well as the proposed structure of dysidavarone D via a modular synthetic route. A bioinspired tail-to-head cyclization strategy was developed to syntheses of the trans-decalin architectures by using two diastereochemically complementary radical polyene cyclization reactions catalyzed by Ti(III) and mediated by Mn(III), respectively. The different types of side chains were introduced by challenging nickel catalyzed reductive couplings of sterically hindered alkyl halides. The synthesis of the proposed dysidavarone D proved a wrong structural assignment of the natural product.
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5
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Preparation and properties of novel hetero-halogen complexes. Tetrahedron 2022. [DOI: 10.1016/j.tet.2022.132854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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6
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Ariyarathna JP, Alom NE, Roberts LP, Kaur N, Wu F, Li W. Lewis Acid-Catalyzed Halonium Generation for Morpholine Synthesis and Claisen Rearrangement. J Org Chem 2022; 87:2947-2958. [PMID: 35142512 DOI: 10.1021/acs.joc.1c02804] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We disclose here practical strategies toward the synthesis of morpholines and Claisen rearrangement products based on the divergent reactivity of a common halonium intermediate. These reactions employ widely available alkenes in a Lewis acid-catalyzed halo-etherification process that can then transform them into the desired products with exceptional regioselectivity for both activated and unactivated olefins. Our mechanistic probe reveals an interesting regiochemical kinetic resolution process.
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Affiliation(s)
- Jeewani P Ariyarathna
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Nur-E Alom
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Leo P Roberts
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Navdeep Kaur
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Fan Wu
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Wei Li
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
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7
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Kaur N, Ziegelmeyer EC, Farinde ON, Truong JT, Huynh MM, Li W. Visible light bromide catalysis for oxazoline, pyrrolidine, and dihydrooxazine syntheses via C sp3-H functionalizations. Chem Commun (Camb) 2021; 57:10387-10390. [PMID: 34542120 DOI: 10.1039/d1cc04588a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A catalytic benzylic Csp3-H functionalization protocol is described here. This visible light-mediated process is centered on the utilization of a bromide catalyst and oxidant to generate a nitrogen (N)-centered radical for a site-selective hydrogen atom transfer (HAT) process. This strategy enabled the unconventional syntheses of a number of N-heterocycles dependent on the amide identity. We also discovered a nucleophilicity-dependent kinetic resolution for stereochemical differentiation of Csp3-H bonds that enabled the stereoselective synthesis of cis- and trans-oxazolines.
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Affiliation(s)
- Navdeep Kaur
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering, The University of Toledo, Toledo, Ohio 43606, USA.
| | - Elizabeth C Ziegelmeyer
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering, The University of Toledo, Toledo, Ohio 43606, USA.
| | - Olutayo N Farinde
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering, The University of Toledo, Toledo, Ohio 43606, USA.
| | - Jonathon T Truong
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering, The University of Toledo, Toledo, Ohio 43606, USA.
| | - Michelle M Huynh
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering, The University of Toledo, Toledo, Ohio 43606, USA.
| | - Wei Li
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering, The University of Toledo, Toledo, Ohio 43606, USA.
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8
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Touchet S, Yeardley C, O'Hara CT, Gros PC. Critical Ligand and Salt Effects in Organomagnesiate‐Promoted 3,3‐Disubstituted Phthalides Synthesis from 2‐Iodobenzoate Derivatives. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
| | - Callum Yeardley
- WestCHEM University of Strathclyde 295 Cathedral Street Glasgow G1 1XL UK
| | - Charles T. O'Hara
- WestCHEM University of Strathclyde 295 Cathedral Street Glasgow G1 1XL UK
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9
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Wu F, Kaur N, Alom NE, Li W. Chiral Hypervalent Iodine Catalysis Enables an Unusual Regiodivergent Intermolecular Olefin Aminooxygenation. JACS AU 2021; 1:734-741. [PMID: 34240078 PMCID: PMC8243328 DOI: 10.1021/jacsau.1c00103] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
A novel iodide-catalyzed intermolecular aminooxygenation strategy is described here. Amide is used as the O- and N- source to probe for regiocontrol strategies. Notably, simple additives can be selectively introduced to achieve regiodivergent oxyamination processes for electronically activated alkenes while being regio-complementary for unactivated alkenes. Our preliminary data demonstrates that this regiocontrol strategy based on nucleophile can also be applied in asymmetric processes using chiral hypervalent iodine catalysis.
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Affiliation(s)
- Fan Wu
- Department of Chemistry and Biochemistry,
School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United
States
| | - Navdeep Kaur
- Department of Chemistry and Biochemistry,
School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United
States
| | - Nur-E Alom
- Department of Chemistry and Biochemistry,
School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United
States
| | - Wei Li
- Department of Chemistry and Biochemistry,
School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United
States
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10
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Zheng L, Xue H, Zhou B, Luo SP, Jin H, Liu Y. Single Cu(I)-Photosensitizer Enabling Combination of Energy-Transfer and Photoredox Catalysis for the Synthesis of Benzo[ b]fluorenols from 1,6-Enynes. Org Lett 2021; 23:4478-4482. [PMID: 33988383 DOI: 10.1021/acs.orglett.1c01427] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
An efficient, mild, and atom-economical synthesis of benzo[b]fluorenols from 1,6-enynes has been developed under photocatalytic conditions. A single P/N heteroleptic Cu(I)-photosensitizer might exhibit both energy-transfer and photoredox catalytic activities in the formation of benzo[b]fluorenols.
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Affiliation(s)
- Limeng Zheng
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Han Xue
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Bingwei Zhou
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Shu-Ping Luo
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Hongwei Jin
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Yunkui Liu
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
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11
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Zhang LW, Deng XJ, Zhang DX, Tian QQ, He W. Aminolactonization of Unactivated Alkenes Catalyzed by Aryl Iodine. J Org Chem 2021; 86:5152-5165. [PMID: 33760610 DOI: 10.1021/acs.joc.1c00074] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A one-step protocol of the aryl iodine-catalyzed aminolactonization of unactivated alkenes under oxidation conditions was first reported to efficiently construct diverse amino lactones in a short time using HNTs2 as the compatible nitrogen source. In addition, we investigated the influence of the reaction rate based on the structure of the iodoarene precatalyst, which revealed the selective adjustment effect on aminolactonization and oxylactonization. Finally, preliminary experiments verified the feasibility of asymmetric aminolactonization catalyzed by a chiral iodoarene precatalyst.
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Affiliation(s)
- Lu-Wen Zhang
- Department of Chemistry, School of Pharmacy, The Fourth Military Medical University, Xi'an, 710032, China
| | - Xiao-Jun Deng
- Department of Chemistry, School of Pharmacy, The Fourth Military Medical University, Xi'an, 710032, China
| | - Dong-Xu Zhang
- Department of Medicinal Chemistry, School of Pharmacy, The Fourth Military Medical University, Xi'an, 710032, China
| | - Qin-Qin Tian
- Department of Chemistry, School of Pharmacy, The Fourth Military Medical University, Xi'an, 710032, China
| | - Wei He
- Department of Chemistry, School of Pharmacy, The Fourth Military Medical University, Xi'an, 710032, China
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12
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New syntheses of haloketo acid methyl esters and their transformation to halolactones by reductive cyclization. Russ Chem Bull 2020. [DOI: 10.1007/s11172-020-2965-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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13
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Wdowik T, Galster SL, Carmo RLL, Chemler SR. Enantioselective, Aerobic Copper-Catalyzed Intramolecular Carboamination and Carboetherification of Unactivated Alkenes. ACS Catal 2020; 10:8535-8541. [PMID: 34306802 PMCID: PMC8293922 DOI: 10.1021/acscatal.0c02607] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Reduction of waste is an important goal of modern organic synthesis. We report herein oxidase reactivity for enantioselective intramolecular copper-catalyzed alkene carboamination and carboetherification reactions where previously used stoichiometric MnO2 has been replaced with oxygen. This substitution was risky as the reaction mechanism is thought to involve C-C bond formation via addition of alkyl carbon radicals to arenes. Such intermediates are also susceptible to C-O bond formation via O2 addition. Control of absolute stereochemistry under aerobic conditions was also uncertain. The oxidative cyclization efficiencies appear to track with the ease of the radical addition to the arenes.
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Affiliation(s)
- Tomasz Wdowik
- Department of Chemistry, State University of New York at Buffalo, Buffalo, New York 14260, United States
| | - Samuel L Galster
- Department of Chemistry, State University of New York at Buffalo, Buffalo, New York 14260, United States
| | - Raul L L Carmo
- Department of Chemistry, State University of New York at Buffalo, Buffalo, New York 14260, United States
| | - Sherry R Chemler
- Department of Chemistry, State University of New York at Buffalo, Buffalo, New York 14260, United States
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14
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Chuc LTN, Nguyen TAH, Hou DR. Acid-base-sensitive allylic oxidation of 2-allylbenzoic acids to form phthalides. Org Biomol Chem 2020; 18:2758-2768. [PMID: 32227018 DOI: 10.1039/d0ob00303d] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Allylic oxidation of 2-allylbenzoic acids to phthalides, instead of Wacker-type isocoumarins, was achieved with 1,2-bis(phenylsulfinyl)ethane palladium(ii) acetate (White catalyst) and oxygen in DMSO. The selective formation of 3-ethylidenephthalides or 3-vinylphthalides was controlled by the addition of acids or bases, and the reaction conditions were applied to substituted 2-allylbenzoic acids to generate corresponding phthalides selectively. Mechanistic studies, including the corresponding reaction of (E)-2-(1-propenyl)benzoic acid to 3-methylisocoumarin, isomerization reaction of 3-vinylphthalide to 3-ethylidenephthalide, and the kinetic isotope effect using 2-(1,1-d2-allyl)benzoic acid, revealed the competition between Wacker-type oxidation and allylic C-H cleavage, which is the key step to generating phthalides. A natural product, 3-ethyl-6-hydroxyphthalide, was prepared by this method.
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Affiliation(s)
- Le Thi Ngoc Chuc
- Department of Chemistry, National Central University, No. 300 Jhong-Da Road, Jhong-li, Taoyuan, Taiwan 32001.
| | - Thi Anh Hong Nguyen
- Department of Chemistry, National Central University, No. 300 Jhong-Da Road, Jhong-li, Taoyuan, Taiwan 32001.
| | - Duen-Ren Hou
- Department of Chemistry, National Central University, No. 300 Jhong-Da Road, Jhong-li, Taoyuan, Taiwan 32001.
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15
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Wu F, Ariyarathna JP, Kaur N, Alom NE, Kennell ML, Bassiouni OH, Li W. Halogen-Bond-Induced Consecutive Csp3–H Aminations via Hydrogen Atom Transfer Relay Strategy. Org Lett 2020; 22:2135-2140. [PMID: 32109065 DOI: 10.1021/acs.orglett.0c00081] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Fan Wu
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Jeewani P. Ariyarathna
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Navdeep Kaur
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Nur-E Alom
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Maureen L. Kennell
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Omar H. Bassiouni
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Wei Li
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
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16
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Höfler G, But A, Younes SHH, Wever R, Paul CE, Arends IWCE, Hollmann F. Chemoenzymatic Halocyclization of 4-Pentenoic Acid at Preparative Scale. ACS SUSTAINABLE CHEMISTRY & ENGINEERING 2020; 8:2602-2607. [PMID: 32117647 PMCID: PMC7045808 DOI: 10.1021/acssuschemeng.9b07494] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 01/24/2020] [Indexed: 06/10/2023]
Abstract
The scale-up of chemoenzymatic bromolactonization to 100 g scale is presented, together with an identification of current limitations. The preparative-scale reaction also allowed for meaningful mass balances identifying current bottlenecks of the chemoenzymatic reaction.
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Affiliation(s)
- Georg
T. Höfler
- Department
of Biotechnology, Delft University of Technology, Van der Maasweg 9, 2629 HZ Delft, The Netherlands
| | - Andrada But
- Department
of Biotechnology, Delft University of Technology, Van der Maasweg 9, 2629 HZ Delft, The Netherlands
| | - Sabry H. H. Younes
- Department
of Biotechnology, Delft University of Technology, Van der Maasweg 9, 2629 HZ Delft, The Netherlands
- Department
of Chemistry, Faculty of Sciences, Sohag
University, 82524 Sohag, Egypt
| | - Ron Wever
- Van’t
Hoff Institute for Molecular Sciences, University
of Amsterdam, 1090 GD Amsterdam, The Netherlands
| | - Caroline E. Paul
- Department
of Biotechnology, Delft University of Technology, Van der Maasweg 9, 2629 HZ Delft, The Netherlands
| | - Isabel W. C. E. Arends
- Faculty
of Science, University of Utrecht, Budapestlaan 6, 3584 CD Utrecht, The Netherlands
| | - Frank Hollmann
- Department
of Biotechnology, Delft University of Technology, Van der Maasweg 9, 2629 HZ Delft, The Netherlands
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17
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Wu F, Ariyarathna JP, Alom NE, Kaur N, Li W. Oxyamination of Unactivated Alkenes with Electron-Rich Amines and Acids via a Catalytic Triiodide Intermediate. Org Lett 2020; 22:884-890. [PMID: 31927966 DOI: 10.1021/acs.orglett.9b04432] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
An aerobic catalytic oxidation process is described for the olefin oxyamination using acids and primary amines as the sources of O and N. Our mechanistic findings point to the formation of triiodide as a critical catalytic intermediate to account for the tolerance of electron-rich nucleophiles. This dual iodide and copper catalytic system is suitable for a formal [5+1] annulation process to access valuable lactam structures and highlighted by the synthesis of the pharmaceutical Zamifenacin.
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Affiliation(s)
- Fan Wu
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering , The University of Toledo , 2801 West Bancroft Street , Toledo , Ohio 43606 , United States
| | - Jeewani P Ariyarathna
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering , The University of Toledo , 2801 West Bancroft Street , Toledo , Ohio 43606 , United States
| | - Nur-E Alom
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering , The University of Toledo , 2801 West Bancroft Street , Toledo , Ohio 43606 , United States
| | - Navdeep Kaur
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering , The University of Toledo , 2801 West Bancroft Street , Toledo , Ohio 43606 , United States
| | - Wei Li
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering , The University of Toledo , 2801 West Bancroft Street , Toledo , Ohio 43606 , United States
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18
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Younes SHH, Tieves F, Lan D, Wang Y, Süss P, Brundiek H, Wever R, Hollmann F. Chemoenzymatic Halocyclization of γ,δ-Unsaturated Carboxylic Acids and Alcohols. CHEMSUSCHEM 2020; 13:97-101. [PMID: 31588652 PMCID: PMC6973245 DOI: 10.1002/cssc.201902240] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/18/2019] [Revised: 10/04/2019] [Indexed: 06/10/2023]
Abstract
A chemoenzymatic method for the halocyclization of unsaturated alcohols and acids by using the robust V-dependent chloroperoxidase from Curvularia inaequalis (CiVCPO) as catalyst has been developed for the in situ generation of hypohalites. A broad range of halolactones and cyclic haloethers are formed with excellent performance of the biocatalyst.
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Affiliation(s)
- Sabry H. H. Younes
- Department of BiotechnologyDelft University of TechnologyVan der Maasweg 92629HZDelftThe Netherlands
- Department of ChemistryFaculty of SciencesSohag UniversitySohag82524Egypt
| | - Florian Tieves
- Department of BiotechnologyDelft University of TechnologyVan der Maasweg 92629HZDelftThe Netherlands
| | - Dongming Lan
- School of Food Science and EngineeringOverseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center)South China University of TechnologyGuangzhou510640P.R. China
| | - Yonghua Wang
- School of Food Science and EngineeringOverseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center)South China University of TechnologyGuangzhou510640P.R. China
| | - Philipp Süss
- Enzymicals AGWalther-Rathenau-Str. 49a17489GreifswaldGermany
| | | | - Ron Wever
- Van't Hoff Institute for Molecular SciencesUniversity of AmsterdamAmsterdamThe Netherlands
| | - Frank Hollmann
- Department of BiotechnologyDelft University of TechnologyVan der Maasweg 92629HZDelftThe Netherlands
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19
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Yang HM, Liu ML, Tu JW, Miura-Stempel E, Campbell MG, Chuang GJ. Bimetallic Photoredox Catalysis: Visible Light-Promoted Aerobic Hydroxylation of Arylboronic Acids with a Dirhodium(II) Catalyst. J Org Chem 2019; 85:2040-2047. [DOI: 10.1021/acs.joc.9b02777] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Hsiang-Ming Yang
- Department of Chemistry, Chung Yuan Christian University, Chung Li 32023, Taiwan
| | - Ming-Lun Liu
- Department of Chemistry, Chung Yuan Christian University, Chung Li 32023, Taiwan
| | - Jing-Wen Tu
- Department of Chemistry, Chung Yuan Christian University, Chung Li 32023, Taiwan
| | - Emily Miura-Stempel
- Department of Chemistry, Barnard College, New York, New York 10027, United States
| | - Michael G. Campbell
- Department of Chemistry, Barnard College, New York, New York 10027, United States
| | - Gary Jing Chuang
- Department of Chemistry, Chung Yuan Christian University, Chung Li 32023, Taiwan
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20
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Chen S, Chen W, Chen X, Chen G, Ackermann L, Tian X. Copper(I)-Catalyzed Oxyamination of β,γ-Unsaturated Hydrazones: Synthesis of Dihydropyrazoles. Org Lett 2019; 21:7787-7790. [DOI: 10.1021/acs.orglett.9b02733] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Shanshan Chen
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
| | - Wenming Chen
- Department of Pharmaceutical Production Center, The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan 410007, China
| | - Xu Chen
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
| | - Guifang Chen
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität, Tammannstraße 2, 37077 Göttingen, Germany
| | - Xu Tian
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
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21
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Wu F, Alom N, Ariyarathna JP, Naß J, Li W. Regioselective Formal [3+2] Cycloadditions of Urea Substrates with Activated and Unactivated Olefins for Intermolecular Olefin Aminooxygenation. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201904662] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Fan Wu
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering The University of Toledo Toledo OH 43606 USA
| | - Nur‐E Alom
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering The University of Toledo Toledo OH 43606 USA
| | - Jeewani P. Ariyarathna
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering The University of Toledo Toledo OH 43606 USA
| | - Johannes Naß
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering The University of Toledo Toledo OH 43606 USA
| | - Wei Li
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering The University of Toledo Toledo OH 43606 USA
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22
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Wu F, Alom N, Ariyarathna JP, Naß J, Li W. Regioselective Formal [3+2] Cycloadditions of Urea Substrates with Activated and Unactivated Olefins for Intermolecular Olefin Aminooxygenation. Angew Chem Int Ed Engl 2019; 58:11676-11680. [DOI: 10.1002/anie.201904662] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 05/21/2019] [Indexed: 11/08/2022]
Affiliation(s)
- Fan Wu
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering The University of Toledo Toledo OH 43606 USA
| | - Nur‐E Alom
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering The University of Toledo Toledo OH 43606 USA
| | - Jeewani P. Ariyarathna
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering The University of Toledo Toledo OH 43606 USA
| | - Johannes Naß
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering The University of Toledo Toledo OH 43606 USA
| | - Wei Li
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering The University of Toledo Toledo OH 43606 USA
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23
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Rao WH, Jiang LL, Liu XM, Chen MJ, Chen FY, Jiang X, Zhao JX, Zou GD, Zhou YQ, Tang L. Copper(II)-Catalyzed Alkene Aminosulfonylation with Sodium Sulfinates For the Synthesis of Sulfonylated Pyrrolidones. Org Lett 2019; 21:2890-2893. [PMID: 30958680 DOI: 10.1021/acs.orglett.9b00907] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
A copper-catalyzed direct aminosulfonylation of unactivated alkenes with sodium sulfinates for the efficient synthesis of sulfonylated pyrrolidones is described. This reaction features good functional group tolerance and wide substrate scope, providing an efficient and straightforward protocol to access this kind of pyrrolidones. Moreover, preliminary mechanistic investigations disclosed that a free-radical pathway might be invovled in the process.
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Affiliation(s)
- Wei-Hao Rao
- College of Chemistry and Chemical Engineering , Xinyang Normal University , Xinyang 464000 , China.,Henan Key Laboratory of Utilization of Non-Metallic Mineral in the South of Henan , Xinyang Normal University , Xinyang 464000 , China
| | - Li-Li Jiang
- College of Chemistry and Chemical Engineering , Xinyang Normal University , Xinyang 464000 , China
| | - Xiao-Meng Liu
- College of Chemistry and Chemical Engineering , Xinyang Normal University , Xinyang 464000 , China
| | - Mei-Jun Chen
- College of Chemistry and Chemical Engineering , Xinyang Normal University , Xinyang 464000 , China
| | - Fang-Yuan Chen
- College of Chemistry and Chemical Engineering , Xinyang Normal University , Xinyang 464000 , China
| | - Xin Jiang
- College of Chemistry and Chemical Engineering , Xinyang Normal University , Xinyang 464000 , China
| | - Jin-Xiao Zhao
- College of Chemistry and Chemical Engineering , Xinyang Normal University , Xinyang 464000 , China
| | - Guo-Dong Zou
- College of Chemistry and Chemical Engineering , Xinyang Normal University , Xinyang 464000 , China
| | - Yu-Qiang Zhou
- College of Chemistry and Chemical Engineering , Xinyang Normal University , Xinyang 464000 , China
| | - Lin Tang
- College of Chemistry and Chemical Engineering , Xinyang Normal University , Xinyang 464000 , China
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24
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Kaur N, Wu F, Alom NE, Ariyarathna JP, Saluga SJ, Li W. Intermolecular alkene difunctionalizations for the synthesis of saturated heterocycles. Org Biomol Chem 2019; 17:1643-1654. [PMID: 30452059 DOI: 10.1039/c8ob02443j] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Saturated heterocycles are important structural motifs in a range of pharmaceuticals and agrochemicals. As a result of their importance, syntheses of these molecules have been extensively investigated. Despite the progress in this area, the most adopted strategies are still often characterized with inefficiency or relying on functionalizations with specialized precursors and pre-existing cores. This review highlights a dynamic synthetic strategy for the direct synthesis of saturated heterocycles from intermolecular alkene difunctionalizations. These coupling processes are highly modular, and therefore, offer perhaps the most convenient means to prepare diverse heterocyclic structures in compound libraries for bioactivity evoluations.
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Affiliation(s)
- Navdeep Kaur
- Department of Chemistry and Biochemistry and School of Green Chemistry and Engineering, The University of Toledo, Toledo, Ohio 43606, USA.
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