1
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Ajala OA, Ono M, Nakayama Y, Tanaka R, Shiono T. Copolymerization of Ethylene with Functionalized 1,1-Disubstituted Olefins Using a Fluorenylamido-Ligated Titanium Catalyst. Polymers (Basel) 2024; 16:236. [PMID: 38257035 PMCID: PMC10818569 DOI: 10.3390/polym16020236] [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: 12/16/2023] [Revised: 01/09/2024] [Accepted: 01/11/2024] [Indexed: 01/24/2024] Open
Abstract
Considering the sustainability of material development, coordination polymerization catalysts effective for 1,1-disubstituted olefins are receiving a great deal of attention because they can introduce a variety of plant-derived comonomers, such as β-pinene and limonene, into polyolefins. However, due to their sterically encumbered property, incorporating these monomers is difficult. Herein, we succeeded in the copolymerization of ethylene with various hydroxy- or siloxy-substituted vinylidenes using a fluorenylamido-ligated titanium catalyst-MMAO system. This is the first example of ethylene/polar 1,1-disubstituted olefins' copolymerization using an early transition metal catalyst system. The polymerization proceeded at room temperature without pressurizing ethylene, and high-molecular-weight, functionalized polyethylene was obtained. The obtained copolymer showed a reduced water contact angle compared with that of the ethylene/isobutene copolymer, demonstrating the increment in hydrophilicity by hydroxy groups.
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Affiliation(s)
| | | | | | | | - Takeshi Shiono
- Graduate School of Advanced Science and Engineering, Hiroshima University, Kagamiyama 1-4-1, Higashihiroshima 739-8527, Japan; (O.A.A.); (Y.N.); (R.T.)
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2
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Guan W, Lu D, Yang X, Deng W, Xiang J, Kambe N, Qiu R. CF 3SO 2Na-Mediated Five-Component Carbonylation of Triarylboroxines with TMSCF 3 and THF/LiOH/NaI to Give Aroyloxyalkyl Iodides. J Org Chem 2022; 87:9635-9644. [PMID: 35830500 DOI: 10.1021/acs.joc.2c00662] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Herein, we developed an efficient and transition-metal-free multicomponent coupling reaction for the synthesis of aroyloxyl alkyl iodides. In the reaction among 2,4,6-triarylboroxines, THF, TMSCF3, LiOH, and NaI, five-component reactions could be precisely controlled by modulating CF3SO2Na, supplying one type of aroyloxyl alkyl iodides in moderate to high yields. The reaction exhibits good functional group tolerance and a wide substrate scope and can be easily transformed into other useful compounds. The mechanism is proposed on the basis of the control experiments.
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Affiliation(s)
- Wenjian Guan
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, PR China
| | - Dong Lu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, PR China
| | | | - Wei Deng
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, PR China
| | - Jiannan Xiang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, PR China
| | - Nobuaki Kambe
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, PR China.,The Institute of Scientific and Industrial Research, Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan
| | - Renhua Qiu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, PR China
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3
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Singh S, Prakash R, Dua N, Sharma C, Pundeer R. Some New Pyrazolyl Pyrazolones and Cyanopyrazolyl Acrylates: Design, Synthesis and Biological Evaluation. ChemistrySelect 2019. [DOI: 10.1002/slct.201900118] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Sushma Singh
- Department of ChemistryKurukshetra University, Kurukshetra- 136119 Haryana India
| | - Richa Prakash
- Department of ChemistryKurukshetra University, Kurukshetra- 136119 Haryana India
| | - Neha Dua
- Department of ChemistryIndian Institute of Technology, Roorkee- 247667, Haridwar Uttarakhand India
| | - Chetan Sharma
- Department of MicrobiologyKurukshetra University, Kurukshetra- 136119 Haryana India
| | - Rashmi Pundeer
- Department of ChemistryKurukshetra University, Kurukshetra- 136119 Haryana India
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4
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Peng JB, Wu FP, Xu C, Qi X, Ying J, Wu XF. Nickel-Catalyzed Carbonylative Synthesis of Functionalized Alkyl Iodides. iScience 2018; 8:175-182. [PMID: 30321812 PMCID: PMC6197950 DOI: 10.1016/j.isci.2018.09.024] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Revised: 09/22/2018] [Accepted: 09/27/2018] [Indexed: 11/12/2022] Open
Abstract
Functionalized alkyl iodides are important compounds in organic chemistry and biology. In this communication, we developed an interesting nickel-catalyzed carbonylative synthesis of functionalized alkyl iodides from aryl iodides and ethers. With Mo(CO)6 as the solid CO source, both cyclic and acyclic ethers were activated, which is also a challenging topic in organic synthesis. Functionalized alkyl iodides were prepared in moderate to excellent yields with outstanding functional group tolerance. Besides the high value of the obtained products, all the atoms from the starting materials were incorporated in the final products and the reaction had high atom efficiency as well. Nickel-catalyzed carbonylative synthesis of functionalized alkyl iodides With Mo(CO)6 as the solid CO source, carbonylative ether activation Good yields of functionalized alkyl iodides
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Affiliation(s)
- Jin-Bao Peng
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, People's Republic of China
| | - Fu-Peng Wu
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, People's Republic of China
| | - Cong Xu
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, People's Republic of China
| | - Xinxin Qi
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, People's Republic of China
| | - Jun Ying
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, People's Republic of China
| | - Xiao-Feng Wu
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, People's Republic of China; Leibniz-Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein-Straße 29a, Rostock 18059, Germany.
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5
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Hu YJ, Fan JH, Li S, Zhao J, Li CC. Synthetic Study toward the Total Synthesis of Taxezopidines A and B. Org Lett 2018; 20:5905-5909. [PMID: 30192554 DOI: 10.1021/acs.orglett.8b02571] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A concise synthetic approach to construct the [6,8,6]-tricyclic core of taxezopidines A and B, which contains a synthetically challenging bridged bicyclo[5.3.1]undecane ring system bearing most of the desired functionalized groups and stereocenters, has been established. This approach features a diastereoselective type II intramolecular Diels-Alder furan reaction. The stereochemistry of the acetoxy group at the allylic position of the dienophile alkene group, such as in 6a, was found to be critical for achieving the desired highly diastereoselective outcome.
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Affiliation(s)
- Ya-Jian Hu
- Institute of Chinese Medical Sciences , University of Macau , Macau 999078 , China.,Department of Chemistry and Shenzhen Grubbs Institute , Southern University of Science and Technology , Shenzhen 518055 , China
| | - Jian-Hong Fan
- Institute of Chinese Medical Sciences , University of Macau , Macau 999078 , China.,Department of Chemistry and Shenzhen Grubbs Institute , Southern University of Science and Technology , Shenzhen 518055 , China
| | - Shaoping Li
- Institute of Chinese Medical Sciences , University of Macau , Macau 999078 , China
| | - Jing Zhao
- Institute of Chinese Medical Sciences , University of Macau , Macau 999078 , China
| | - Chuang-Chuang Li
- Department of Chemistry and Shenzhen Grubbs Institute , Southern University of Science and Technology , Shenzhen 518055 , China
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6
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Kiriyama K, Okura K, Tamakuni F, Shirakawa E. Electron-Catalyzed Coupling of Magnesium Amides with Aryl Iodides. Chemistry 2018; 24:4519-4522. [PMID: 29450924 DOI: 10.1002/chem.201800011] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Indexed: 11/06/2022]
Abstract
An electron was found to catalyze the coupling of magnesium diarylamides with aryl iodides giving triarylamines through a radical-anion intermediate. The transformation requires no transition metal catalysts or additives, and a wide array of products are formed in good-to-excellent yields.
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Affiliation(s)
- Kazuya Kiriyama
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto, 606-8502, Japan
| | - Keisho Okura
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto, 606-8502, Japan
| | - Fumiko Tamakuni
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto, 606-8502, Japan
| | - Eiji Shirakawa
- Department of Applied Chemistry for Environment, School of Science and Technology, Kwansei Gakuin University, 2-1 Gakuen, Sanda, Hyogo, 669-1337, Japan
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7
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Antonacci G, Ahlburg A, Fristrup P, Norrby PO, Madsen R. Manganese-Catalyzed Cross-Coupling of Aryl Halides and Grignard Reagents by a Radical Mechanism. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700981] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Giuseppe Antonacci
- Department of Chemistry; Technical University of Denmark; 2800 Kgs. Lyngby Denmark
| | - Andreas Ahlburg
- Department of Chemistry; Technical University of Denmark; 2800 Kgs. Lyngby Denmark
| | - Peter Fristrup
- Department of Chemistry; Technical University of Denmark; 2800 Kgs. Lyngby Denmark
| | - Per-Ola Norrby
- Department of Chemistry and Molecular Biology; University of Gothenburg; Kemigården 4 41296 Göteborg Sweden
- Pharmaceutical Sciences; AstraZeneca; Pepparedsleden 1 43183 Mölndal Sweden
| | - Robert Madsen
- Department of Chemistry; Technical University of Denmark; 2800 Kgs. Lyngby Denmark
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8
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Ghaleshahi HG, Antonacci G, Madsen R. Manganese-Catalyzed Aerobic Heterocoupling of Aryl Grignard Reagents. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
| | - Giuseppe Antonacci
- Department of Chemistry; Technical University of Denmark; 2800 Kgs. Lyngby Denmark
| | - Robert Madsen
- Department of Chemistry; Technical University of Denmark; 2800 Kgs. Lyngby Denmark
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9
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Gundogdu O, Altundas R, Kara Y. Preparation of arylmagnesium/lithium from aryl bromides and their coupling and substitution reactions in tetrahydrofuran. Appl Organomet Chem 2017. [DOI: 10.1002/aoc.3719] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Ozlem Gundogdu
- Department of Chemistry, Faculty of Sciences; Ataturk University; 25240 Erzurum Turkey
| | - Ramazan Altundas
- Department of Chemistry, Faculty of Sciences; Ataturk University; 25240 Erzurum Turkey
| | - Yunus Kara
- Department of Chemistry, Faculty of Sciences; Ataturk University; 25240 Erzurum Turkey
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10
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Bull JA, Croft RA, Davis OA, Doran R, Morgan KF. Oxetanes: Recent Advances in Synthesis, Reactivity, and Medicinal Chemistry. Chem Rev 2016; 116:12150-12233. [DOI: 10.1021/acs.chemrev.6b00274] [Citation(s) in RCA: 241] [Impact Index Per Article: 30.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- James A. Bull
- Department of Chemistry, Imperial College London, South Kensington, London SW7 2AZ, United Kingdom
| | - Rosemary A. Croft
- Department of Chemistry, Imperial College London, South Kensington, London SW7 2AZ, United Kingdom
| | - Owen A. Davis
- Department of Chemistry, Imperial College London, South Kensington, London SW7 2AZ, United Kingdom
| | - Robert Doran
- Department of Chemistry, Imperial College London, South Kensington, London SW7 2AZ, United Kingdom
| | - Kate F. Morgan
- Department of Chemistry, Imperial College London, South Kensington, London SW7 2AZ, United Kingdom
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11
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Bortoluzzi M, Marchetti F, Pampaloni G, Zacchini S. Reactivity of [WCl6] with Ethers: A Joint Computational, Spectroscopic and Crystallographic Study. Eur J Inorg Chem 2016. [DOI: 10.1002/ejic.201600308] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Marco Bortoluzzi
- Ca'Foscari University of Venezia Dipartimento di Scienze Molecolari e Nanosistemi Via Torino 155 30170 Mestre (VE) Italy
| | - Fabio Marchetti
- Università di Pisa Dipartimento di Chimica e Chimica Industriale Via Moruzzi 13 56124 Pisa Italy
| | - Guido Pampaloni
- Università di Pisa Dipartimento di Chimica e Chimica Industriale Via Moruzzi 13 56124 Pisa Italy
| | - Stefano Zacchini
- Università di Bologna Dipartimento di Chimica Industriale “Toso Montanari” Viale Risorgimento 4 40136 Bologna Italy
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12
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Sassone FC, Perna FM, Salomone A, Florio S, Capriati V. Unexpected lateral-lithiation-induced alkylative ring opening of tetrahydrofurans in deep eutectic solvents: synthesis of functionalised primary alcohols. Chem Commun (Camb) 2016; 51:9459-62. [PMID: 25959580 DOI: 10.1039/c5cc02884a] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
o-Tolyl-substituted tetrahydrofurans undergo highly regioselective ring opening with the concomitant formation of new C-C bonds as the result of a lateral lithiation reaction. This reaction provides a new method for the synthesis of functionalised primary alcohols and can be run directly in protic eutectic mixtures as benign reaction media at 0 °C and under air, competitively with protonolysis.
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Affiliation(s)
- Francesca C Sassone
- Dipartimento di Farmacia-Scienze del Farmaco, Università di Bari "Aldo Moro", Consorzio C.I.N.M.P.I.S., Via E. Orabona 4, Bari, I-70125, Italy.
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13
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Tejo C, See YFA, Mathiew M, Chan PWH. Synthesis of 1,4-amino alcohols by Grignard reagent addition to THF and N-tosyliminobenzyliodinane. Org Biomol Chem 2015; 14:844-8. [PMID: 26626538 DOI: 10.1039/c5ob02302e] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The synthesis of 1,4-amino alcohols from THF treated with N-tosyliminobenzyliodinane (PhINTs) followed by a Grignard reagent under mild reaction conditions at room temperature is described herein. Various Grignard reagents were shown to be compatible, furnishing the corresponding 4-substituted-N-1,4-tosylamino alcohols in good to excellent yields. A partial or full detosylation of the N-tosyl-1,4-amino alcohol was observed in instances involving a sterically bulky Grignard reagent, leading to the deprotected 1,4-amino alcohol product in moderate to good yields. The synthetic utility of this protocol was demonstrated by the synthesis of a 5-substituted-N-tosyl-1,5-amino alcohol from THP and the conversion of two examples to their corresponding γ-lactam and pyrrolidine adducts.
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Affiliation(s)
- Ciputra Tejo
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
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14
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Tollefson EJ, Dawson DD, Osborne CA, Jarvo ER. Stereospecific cross-coupling reactions of aryl-substituted tetrahydrofurans, tetrahydropyrans, and lactones. J Am Chem Soc 2014; 136:14951-8. [PMID: 25308512 PMCID: PMC4210078 DOI: 10.1021/ja5076426] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
The stereospecific ring-opening of O-heterocycles to provide acyclic alcohols and carboxylic acids with controlled formation of a new C-C bond is reported. These reactions provide new methods for synthesis of acyclic polyketide analogs with complex stereochemical arrays. Stereoselective synthesis of the cyclic template is utilized to control relative configuration; subsequent stereospecific nickel-catalyzed ring-opening affords the acyclic product. Aryl-substituted tetrahydrofurans and tetrahydropyrans undergo nickel-catalyzed Kumada-type coupling with a range of Grignard reagents to furnish acyclic alcohols with high diastereoselectivity. Enantioenriched lactones undergo Negishi-type cross-coupling with dimethylzinc to afford enantioenriched carboxylic acids. Application in a two-step enantioselective synthesis of an anti-dyslipidemia agent is demonstrated.
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Affiliation(s)
- Emily J Tollefson
- Department of Chemistry, University of California , Irvine, California 92697-2025, United States
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