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Perry MJ, Curic M, Scott AL, Ritmejerytė E, Rahayu DUC, Keller PA, Oelgemöller M, Yeshi K, Wangchuk P. The In Vitro Antioxidant and Anti-Inflammatory Activities of Selected Australian Seagrasses. Life (Basel) 2024; 14:710. [PMID: 38929693 PMCID: PMC11205046 DOI: 10.3390/life14060710] [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: 04/29/2024] [Revised: 05/24/2024] [Accepted: 05/27/2024] [Indexed: 06/28/2024] Open
Abstract
Recent studies have shown that seagrasses could possess potential applications in the treatment of inflammatory disorders. Five seagrass species (Zostera muelleri, Halodule uninervis, Cymodocea rotundata, Syringodium isoetifolium, and Thalassia hemprichii) from the Great Barrier Reef (QLD, Australia) were thus collected, and their preliminary antioxidant and anti-inflammatory activities were evaluated. From the acetone extracts of five seagrass species subjected to 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging antioxidant assay, the extract of Z. muelleri had the highest activity (half minimal concentration of inhibition (IC50) = 138 µg/mL), with the aerial parts (IC50 = 119 µg/mL) possessing significantly higher antioxidant activity than the roots (IC50 ≥ 500 µg/mL). A human peripheral blood mononuclear cells (PBMCs) assay with bacterial lipopolysaccharide (LPS) activation and LEGENDplex cytokine analysis showed that the aerial extract of Z. muelleri significantly reduced the levels of inflammatory cytokines tumour necrosis factor alpha (TNF-α), interleukin (IL)-1β, and IL-6 by 29%, 74%, and 90%, respectively, relative to the LPS treatment group. The aerial extract was thus fractionated with methanol (MeOH) and hexane fraction, and purification of the MeOH fraction by HPLC led to the isolation of 4-hydroxybenzoic acid (1), luteolin (2), and apigenin (3) as its major constituents. These compounds have been previously shown to reduce levels of TNF-α, IL-1β, and IL-6 and represent some of the major bioactive components of Z. muelleri aerial parts. This investigation represents the first study of the antioxidant and anti-inflammatory properties of Z. muelleri and the first isolation of small molecules from this species. These results highlight the potential for using seagrasses in treating inflammation and the need for further investigation.
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Affiliation(s)
- Matthew J. Perry
- College of Public Health, Medical and Veterinary Sciences, James Cook University, Cairns, QLD 4878, Australia (K.Y.)
- Australian Institute of Tropical Health and Medicine, James Cook University, Cairns, QLD 4878, Australia
| | - Mara Curic
- College of Public Health, Medical and Veterinary Sciences, James Cook University, Cairns, QLD 4878, Australia (K.Y.)
- Australian Institute of Tropical Health and Medicine, James Cook University, Cairns, QLD 4878, Australia
- Hochschule Fresenius, Faculty of Chemistry & Biology, University of Applied Sciences, Limburger Strasse 2, 65510 Idstein, Germany
| | - Abigail L. Scott
- Centre of Tropical Water & Aquatic Ecosystem Research, James Cook University, Cairns, QLD 4878, Australia;
| | - Edita Ritmejerytė
- College of Public Health, Medical and Veterinary Sciences, James Cook University, Cairns, QLD 4878, Australia (K.Y.)
| | - Dyah U. C. Rahayu
- School of Chemistry and Molecular Bioscience, Molecular Horizons, University of Wollongong, Wollongong, NSW 2522, Australia
| | - Paul A. Keller
- School of Chemistry and Molecular Bioscience, Molecular Horizons, University of Wollongong, Wollongong, NSW 2522, Australia
| | - Michael Oelgemöller
- Hochschule Fresenius, Faculty of Chemistry & Biology, University of Applied Sciences, Limburger Strasse 2, 65510 Idstein, Germany
| | - Karma Yeshi
- College of Public Health, Medical and Veterinary Sciences, James Cook University, Cairns, QLD 4878, Australia (K.Y.)
- Australian Institute of Tropical Health and Medicine, James Cook University, Cairns, QLD 4878, Australia
| | - Phurpa Wangchuk
- College of Public Health, Medical and Veterinary Sciences, James Cook University, Cairns, QLD 4878, Australia (K.Y.)
- Australian Institute of Tropical Health and Medicine, James Cook University, Cairns, QLD 4878, Australia
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2
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Yang S, Li H, Yu X, An J, Szostak M. Suzuki–Miyaura Cross-Coupling of Aryl Fluorosulfonates Mediated by Air- and Moisture-stable [Pd(NHC)(μ-Cl)Cl] 2 Precatalysts: Broad Platform for C–O Cross-Coupling of Stable Phenolic Electrophiles. J Org Chem 2022; 87:15250-15260. [DOI: 10.1021/acs.joc.2c01778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Shiyi Yang
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Hengzhao Li
- Department of Nutrition and Health, China Agricultural University, Beijing 100193, China
| | - Xiang Yu
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Jie An
- Department of Nutrition and Health, China Agricultural University, Beijing 100193, China
| | - Michal Szostak
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
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3
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Wang Y, Zhao Z, Pan D, Wang S, Jia K, Ma D, Yang G, Xue X, Qiu Y. Metal‐Free Electrochemical Carboxylation of Organic Halides in the Presence of Catalytic Amounts of an Organomediator. Angew Chem Int Ed Engl 2022; 61:e202210201. [DOI: 10.1002/anie.202210201] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Indexed: 12/13/2022]
Affiliation(s)
- Yanwei Wang
- State Key Laboratory and Institute of Elemento-Organic Chemistry Frontiers Science Center for New Organic Matter College of Chemistry Nankai University 94 Weijin Road Tianjin 300071 China
| | - Zhiwei Zhao
- State Key Laboratory and Institute of Elemento-Organic Chemistry Frontiers Science Center for New Organic Matter College of Chemistry Nankai University 94 Weijin Road Tianjin 300071 China
| | - Deng Pan
- Key Laboratory of Organofluorine Chemistry Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Siyi Wang
- State Key Laboratory and Institute of Elemento-Organic Chemistry Frontiers Science Center for New Organic Matter College of Chemistry Nankai University 94 Weijin Road Tianjin 300071 China
| | - Kangping Jia
- State Key Laboratory and Institute of Elemento-Organic Chemistry Frontiers Science Center for New Organic Matter College of Chemistry Nankai University 94 Weijin Road Tianjin 300071 China
| | - Dengke Ma
- State Key Laboratory and Institute of Elemento-Organic Chemistry Frontiers Science Center for New Organic Matter College of Chemistry Nankai University 94 Weijin Road Tianjin 300071 China
| | - Guoqing Yang
- State Key Laboratory and Institute of Elemento-Organic Chemistry Frontiers Science Center for New Organic Matter College of Chemistry Nankai University 94 Weijin Road Tianjin 300071 China
| | - Xiao‐Song Xue
- Key Laboratory of Organofluorine Chemistry Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Youai Qiu
- State Key Laboratory and Institute of Elemento-Organic Chemistry Frontiers Science Center for New Organic Matter College of Chemistry Nankai University 94 Weijin Road Tianjin 300071 China
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4
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Yang ZX, Lai L, Chen J, Yan H, Ye KY, Chen FE. Stereoselective electrochemical carboxylation of α,β-unsaturated sulfones. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.107956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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5
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Wang Y, Zhao Z, Pan D, Wang S, Jia K, Ma D, Yang G, Xue XS, Qiu Y. Metal‐Free Electrochemical Carboxylation of Organic Halides in the Presence of Catalytic Amounts of an Organomediator. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202210201] [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)
- Yanwei Wang
- Nankai University College of Chemistry CHINA
| | - Zhiwei Zhao
- Nankai University College of Chemistry CHINA
| | - Deng Pan
- Shanghai Institute of Organic Chemistry Key Laboratory of Organofluorine Chemistry CHINA
| | - Siyi Wang
- Nankai University College of Chemistry CHINA
| | | | - Dengke Ma
- Nankai University College of Chemistry CHINA
| | | | - Xiao-Song Xue
- Shanghai Institute of Organic Chemistry Key Laboratory of Organofluorine Chemistry CHINA
| | - Youai Qiu
- Nankai University College of Chemistry 94 Weijin Road 300071 Tianjin CHINA
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6
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Tabasi NS, Genç S, Gülcemal D. Tuning the selectivity in iridium-catalyzed acceptorless dehydrogenative coupling of primary alcohols. Org Biomol Chem 2022; 20:6582-6592. [PMID: 35913502 DOI: 10.1039/d2ob01142e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An acceptorless dehydrogenative coupling of primary alcohols to carboxylic acids/carboxylates, esters, and Guerbet alcohols (via both homo- and cross-β-alkylation of the alcohols) in the presence of an N-heterocyclic carbene iridium(I) catalyst was developed under aerobic conditions. The product selectivity can be easily tuned among the products with a single catalyst through simple modification of the reaction conditions, such as the catalyst and base amounts, the choice of base, and the reaction temperature.
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Affiliation(s)
- Nihal S Tabasi
- Ege University, Chemistry Department, 35100 Bornova, Izmir, Turkey.
| | - Sertaç Genç
- Ege University, Chemistry Department, 35100 Bornova, Izmir, Turkey.
| | - Derya Gülcemal
- Ege University, Chemistry Department, 35100 Bornova, Izmir, Turkey.
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7
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Miyoshi N, Miyoshi A, Miyazaki Y, Kubo S, Ueno M. Practical method for hydroxyl-group protection using strontium metal and readily available silyl chlorides. Chem Commun (Camb) 2022; 58:6312-6315. [PMID: 35522074 DOI: 10.1039/d2cc01105k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We have found that the etherification of silyl-protected secondary alcohols proceeds smoothly in the presence of strontium metal using silyl chloride instead of the expensive, yet more reactive, and commonly used silyl triflate. The reaction occurred almost completely with various alcohols.
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Affiliation(s)
- Norikazu Miyoshi
- Department of Natural Science, Graduate School of Advanced Technology and Science, Tokushima University, 2-1 Minami-jousanjima, Tokushima 770-8506, Japan. .,Department of Chemistry, Faculty of Integrated Arts and Sciences, Tokushima University, 1-1 Minami-jousanjima, Tokushima 770-8502, Japan
| | - Aki Miyoshi
- Department of Natural Science, Graduate School of Advanced Technology and Science, Tokushima University, 2-1 Minami-jousanjima, Tokushima 770-8506, Japan.
| | - Yasuaki Miyazaki
- Department of Chemistry, Faculty of Integrated Arts and Sciences, Tokushima University, 1-1 Minami-jousanjima, Tokushima 770-8502, Japan
| | - Shigeki Kubo
- Department of Chemistry, Faculty of Integrated Arts and Sciences, Tokushima University, 1-1 Minami-jousanjima, Tokushima 770-8502, Japan
| | - Masaharu Ueno
- Department of Natural Science, Graduate School of Advanced Technology and Science, Tokushima University, 2-1 Minami-jousanjima, Tokushima 770-8506, Japan. .,Department of Chemistry, Faculty of Integrated Arts and Sciences, Tokushima University, 1-1 Minami-jousanjima, Tokushima 770-8502, Japan
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8
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Michigami K, Mita T, Sato Y. Catalytic Carbonyl Allylation Using Terminal Alkenes as Nucleophiles. J SYN ORG CHEM JPN 2022. [DOI: 10.5059/yukigoseikyokaishi.80.210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Kenichi Michigami
- Department of Chemistry, Faculty of Science, Osaka Prefecture University
| | - Tsuyoshi Mita
- Institution for Chemical Reaction Design and Discovery, Hokkaido University
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9
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Affiliation(s)
- Mijung Lee
- Department of Advanced Materials and Chemical Engineering, University of Science and Technology (UST), Gajeong-dong, Yuseong, Daejeon 34113, Republic of Korea
- Research Center for Nanocatalysts, Korea Research Institute of Chemical Technology (KRICT), Daejeon 34114, Republic of Korea
| | - Young Kyu Hwang
- Department of Advanced Materials and Chemical Engineering, University of Science and Technology (UST), Gajeong-dong, Yuseong, Daejeon 34113, Republic of Korea
- Research Center for Nanocatalysts, Korea Research Institute of Chemical Technology (KRICT), Daejeon 34114, Republic of Korea
| | - Jaesung Kwak
- Infectious Diseases Therapeutic Research Center, Korea Research Institute of Chemical Technology (KRICT), Daejeon 34114, Republic of Korea
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10
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Recent advances in the catalytic fixation of carbon dioxide to value-added chemicals over alkali metal salts. J CO2 UTIL 2020. [DOI: 10.1016/j.jcou.2020.101252] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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11
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Baeva LA, Nugumanov RM, Gataullin RR, Fatykhov AА. Reaction of 3-[(alkylsulfanyl)methyl]pentane-2,4-diones with nicotinic hydrazide. Chem Heterocycl Compd (N Y) 2020. [DOI: 10.1007/s10593-020-02698-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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12
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A general 11C-labeling approach enabled by fluoride-mediated desilylation of organosilanes. Nat Commun 2020; 11:1736. [PMID: 32269227 PMCID: PMC7142131 DOI: 10.1038/s41467-020-15556-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Accepted: 03/16/2020] [Indexed: 12/28/2022] Open
Abstract
Carbon-11 (11C) is one of the most ideal positron emitters for labeling bioactive molecules for molecular imaging studies. The lack of convenient and fast incorporation methods to introduce 11C into organic molecules often hampers the use of this radioisotope. Here, a fluoride-mediated desilylation (FMDS) 11C-labeling approach is reported. This method relies on thermodynamically favored Si-F bond formation to generate a carbanion, therefore enabling the highly efficient and speedy incorporation of [11C]CO2 and [11C]CH3I into molecules with diversified structures. It provides facile and rapid access to 11C-labeled compounds with carbon-11 attached at various hybridized carbons as well as oxygen, sulfur and nitrogen atoms with broad functional group tolerance. The exemplified syntheses of several biologically and clinically important radiotracers illustrates the potentials of this methodology. Convenient and fast methods to introduce 11C into organic molecules are of great help for molecular imaging studies. Here, the authors developed an efficient incorporation of [11C]CO2 and [11C]CH3I into molecules via a fluoride-mediated desilylation process.
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13
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Ishida N, Masuda Y, Liao W, Murakami M. Photo-assisted Fixation of CO2 onto Aryl Bromides Producing Aromatic Esters. CHEM LETT 2019. [DOI: 10.1246/cl.190563] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Naoki Ishida
- Department of Synthetic Chemistry and Biological Chemistry, Kyoto University, Katsura, Kyoto 615-8510, Japan
| | - Yusuke Masuda
- Department of Synthetic Chemistry and Biological Chemistry, Kyoto University, Katsura, Kyoto 615-8510, Japan
| | - Wenqing Liao
- Department of Synthetic Chemistry and Biological Chemistry, Kyoto University, Katsura, Kyoto 615-8510, Japan
| | - Masahiro Murakami
- Department of Synthetic Chemistry and Biological Chemistry, Kyoto University, Katsura, Kyoto 615-8510, Japan
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14
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Ishida N, Okumura S, Kawasaki T, Murakami M. 2‐Arylsilacyclobutane as a Latent Carbanion Reacting with CO
2. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201805333] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Naoki Ishida
- Department of Synthetic Chemistry and Biological Chemistry Kyoto University, Katsura Kyoto 615–8510 Japan
| | - Shintaro Okumura
- Department of Synthetic Chemistry and Biological Chemistry Kyoto University, Katsura Kyoto 615–8510 Japan
| | - Tairin Kawasaki
- Department of Synthetic Chemistry and Biological Chemistry Kyoto University, Katsura Kyoto 615–8510 Japan
| | - Masahiro Murakami
- Department of Synthetic Chemistry and Biological Chemistry Kyoto University, Katsura Kyoto 615–8510 Japan
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15
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Ishida N, Okumura S, Kawasaki T, Murakami M. 2‐Arylsilacyclobutane as a Latent Carbanion Reacting with CO
2. Angew Chem Int Ed Engl 2018; 57:11399-11403. [DOI: 10.1002/anie.201805333] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 07/01/2018] [Indexed: 12/15/2022]
Affiliation(s)
- Naoki Ishida
- Department of Synthetic Chemistry and Biological Chemistry Kyoto University, Katsura Kyoto 615–8510 Japan
| | - Shintaro Okumura
- Department of Synthetic Chemistry and Biological Chemistry Kyoto University, Katsura Kyoto 615–8510 Japan
| | - Tairin Kawasaki
- Department of Synthetic Chemistry and Biological Chemistry Kyoto University, Katsura Kyoto 615–8510 Japan
| | - Masahiro Murakami
- Department of Synthetic Chemistry and Biological Chemistry Kyoto University, Katsura Kyoto 615–8510 Japan
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16
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Cyclopentadienyl molybdenum(II) compounds bearing carboxylic acid functional group. Inorganica Chim Acta 2018. [DOI: 10.1016/j.ica.2018.04.032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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17
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Taddei C, Gee AD. Recent progress in [ 11 C]carbon dioxide ([ 11 C]CO 2 ) and [ 11 C]carbon monoxide ([ 11 C]CO) chemistry. J Labelled Comp Radiopharm 2018; 61:237-251. [PMID: 29274276 PMCID: PMC6485328 DOI: 10.1002/jlcr.3596] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Revised: 11/20/2017] [Accepted: 12/12/2017] [Indexed: 01/07/2023]
Abstract
[11 C]Carbon dioxide ([11 C]CO2 ) and [11 C]carbon monoxide ([11 C]CO) are 2 attractive precursors for labelling the carbonyl position (C═O) in a vast range of functionalised molecules (eg, ureas, amides, and carboxylic acids). The development of radiosynthetic methods to produce functionalised 11 C-labelled compounds is required to enhance the radiotracers available for positron emission tomography, molecular, and medical imaging applications. Following a brief summary of secondary 11 C-precursor production and uses, the review focuses on recent progress with direct 11 C-carboxylation routes with [11 C]CO2 and 11 C-carbonylation with [11 C]CO. Novel approaches to generate [11 C]CO using CO-releasing molecules (CO-RMs), such as silacarboxylic acids and disilanes, applied to radiochemistry are described and compared with standard [11 C]CO production methods. These innovative [11 C]CO synthesis strategies represent efficient and reliable [11 C]CO production processes, enabling the widespread use of [11 C]CO chemistry within the wider radiochemistry community.
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Affiliation(s)
- Carlotta Taddei
- School of Biomedical Engineering and Imaging SciencesKing's College LondonLondonUK
| | - Antony D. Gee
- School of Biomedical Engineering and Imaging SciencesKing's College LondonLondonUK
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18
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Saito N, Abdullah I, Hayashi K, Hamada K, Koyama M, Sato Y. Enantioselective synthesis of β-amino acid derivatives via nickel-promoted regioselective carboxylation of ynamides and rhodium-catalyzed asymmetric hydrogenation. Org Biomol Chem 2018; 14:10080-10089. [PMID: 27722728 DOI: 10.1039/c6ob01234e] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
We succeeded in the development of a new method for enantioselective synthesis of α-substituted-β-amino acid derivatives. Thus, nickel(0)-promoted carboxylation of ynamide gave the α-substituted-β-aminoacrylate derivative in a highly regioselective manner. Then, rhodium-catalyzed asymmetric hydrogenation of the α-substituted β-aminoacrylate produced the corresponding α-substituted β-amino acid derivative as an optically active form.
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Affiliation(s)
- Nozomi Saito
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
| | - Iman Abdullah
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
| | - Kayoko Hayashi
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
| | - Katsuyuki Hamada
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
| | - Momoko Koyama
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
| | - Yoshihiro Sato
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
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19
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Yu B, Yang P, Gao X, Yang Z, Zhao Y, Zhang H, Liu Z. Sequential protocol for C(sp)–H carboxylation with CO2: KOtBu-catalyzed C(sp)–H silylation and KOtBu-mediated carboxylation. Sci China Chem 2018. [DOI: 10.1007/s11426-017-9163-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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20
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Tanaka S, Chiba M, Saito Y, Yamamoto T, Hattori T. AlBr3-Mediated Tandem Cyclization–Carboxylation of Allenylbenzenes with CO2 in the Presence of Pyridines. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2017. [DOI: 10.1246/bcsj.20160410] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Shinya Tanaka
- Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University, 6-6-11 Aramaki-Aoba, Aoba-ku, Sendai 980-8579
| | - Masafumi Chiba
- Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University, 6-6-11 Aramaki-Aoba, Aoba-ku, Sendai 980-8579
| | - Yuki Saito
- Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University, 6-6-11 Aramaki-Aoba, Aoba-ku, Sendai 980-8579
| | - Takaya Yamamoto
- Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University, 6-6-11 Aramaki-Aoba, Aoba-ku, Sendai 980-8579
| | - Tetsutaro Hattori
- Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University, 6-6-11 Aramaki-Aoba, Aoba-ku, Sendai 980-8579
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21
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Kuge K, Luo Y, Fujita Y, Mori Y, Onodera G, Kimura M. Copper-Catalyzed Stereodefined Construction of Acrylic Acid Derivatives from Terminal Alkynes via CO2 Insertion. Org Lett 2017; 19:854-857. [DOI: 10.1021/acs.orglett.6b03860] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Kenta Kuge
- Graduate School of Engineering, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Ying Luo
- Graduate School of Engineering, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Yuki Fujita
- Graduate School of Engineering, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Yasuyuki Mori
- Graduate School of Engineering, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Gen Onodera
- Graduate School of Engineering, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Masanari Kimura
- Graduate School of Engineering, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
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22
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Abstract
An efficient transformation towards propynoates and propynenitriles is herein described. The practical methodology was conducted at low temperature (–78 or –60 °C) in a one-pot manner with the assistance of base rather than any transition metal catalysts. The base-induced protocol exhibits good functional group tolerance (up to 28 examples) and high efficiency (up to 92% yields) towards substituted acetylenes of great synthetic significance, which was also well demonstrated by the gram-scale reactions.
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Affiliation(s)
- Fan Shu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Qingjuan Zheng
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Wanrong Dong
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Zhihong Peng
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Delie An
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
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23
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Song CX, Chen P, Tang Y. Carboxylation of styrenes with CBr4and DMSO via cooperative photoredox and cobalt catalysis. RSC Adv 2017. [DOI: 10.1039/c6ra28744a] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Cooperative photoredox and cobalt catalyzed carboxylation of styrenes with CBr4to afford the corresponding α,β-unsaturated carboxylic acids has been realized through radical addition and Kornblum (DMSO) oxidation.
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Affiliation(s)
- Cai-xia Song
- School of Pharmaceutical Science and Technology
- Key Laboratory for Modern Drug Delivery & High-Efficiency
- Tianjin University
- Tianjin
- 300072 P. R. China
| | - Ping Chen
- Key Laboratory of Marine Drugs
- Chinese Ministry of Education
- School of Medicine and Pharmacy
- Ocean University of China
- Qingdao
| | - Yu Tang
- School of Pharmaceutical Science and Technology
- Key Laboratory for Modern Drug Delivery & High-Efficiency
- Tianjin University
- Tianjin
- 300072 P. R. China
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24
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Yu B, Yang P, Gao X, Yang ZZ, Zhao YF, Zhang HY, Liu ZM. CsF-promoted carboxylation of aryl(hetaryl) terminal alkynes with atmospheric CO2 at room temperature. NEW J CHEM 2017. [DOI: 10.1039/c7nj01779k] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A CsF-promoted carboxylation of aryl(hetaryl) terminal alkynes with atmospheric CO2 in the presence of trimethylsilylacetylene at room temperature was developed.
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Affiliation(s)
- B. Yu
- Beijing National Laboratory for Molecular Sciences
- Key Laboratory of Colloid, Interface and Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences
- Beijing 100190
- China
| | - P. Yang
- Beijing National Laboratory for Molecular Sciences
- Key Laboratory of Colloid, Interface and Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences
- Beijing 100190
- China
- University of Chinese Academy of Sciences
| | - X. Gao
- Beijing National Laboratory for Molecular Sciences
- Key Laboratory of Colloid, Interface and Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences
- Beijing 100190
- China
- University of Chinese Academy of Sciences
| | - Z. Z. Yang
- Beijing National Laboratory for Molecular Sciences
- Key Laboratory of Colloid, Interface and Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences
- Beijing 100190
- China
| | - Y. F. Zhao
- Beijing National Laboratory for Molecular Sciences
- Key Laboratory of Colloid, Interface and Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences
- Beijing 100190
- China
| | - H. Y. Zhang
- Beijing National Laboratory for Molecular Sciences
- Key Laboratory of Colloid, Interface and Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences
- Beijing 100190
- China
| | - Z. M. Liu
- Beijing National Laboratory for Molecular Sciences
- Key Laboratory of Colloid, Interface and Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences
- Beijing 100190
- China
- University of Chinese Academy of Sciences
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25
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Janes T, Yang Y, Song D. Chemical reduction of CO2facilitated by C-nucleophiles. Chem Commun (Camb) 2017; 53:11390-11398. [DOI: 10.1039/c7cc05978g] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
This feature article describes recent advances in chemical reduction of CO2facilitated by carbon-based molecular nucleophiles.
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Affiliation(s)
- Trevor Janes
- Davenport Chemical Research Laboratories
- Department of Chemistry
- University of Toronto
- Toronto
- Canada
| | - Yanxin Yang
- Davenport Chemical Research Laboratories
- Department of Chemistry
- University of Toronto
- Toronto
- Canada
| | - Datong Song
- Davenport Chemical Research Laboratories
- Department of Chemistry
- University of Toronto
- Toronto
- Canada
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26
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Börjesson M, Moragas T, Gallego D, Martin R. Metal-Catalyzed Carboxylation of Organic (Pseudo)halides with CO 2. ACS Catal 2016; 6:6739-6749. [PMID: 27747133 PMCID: PMC5057167 DOI: 10.1021/acscatal.6b02124] [Citation(s) in RCA: 257] [Impact Index Per Article: 32.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Revised: 08/29/2016] [Indexed: 11/29/2022]
Abstract
The recent years have witnessed the development of metal-catalyzed reductive carboxylation of organic (pseudo)halides with CO2 as C1 source, representing potential powerful alternatives to existing methodologies for preparing carboxylic acids, privileged motifs in a myriad of pharmaceuticals and molecules displaying significant biological properties. While originally visualized as exotic cross-coupling reactions, a close look into the literature data indicates that these processes have become a fertile ground, allowing for the utilization of a variety of coupling partners, even with particularly challenging substrate combinations. As for other related cross-electrophile scenarios, the vast majority of reductive carboxylation of organic (pseudo)halides are characterized by their simplicity, mild conditions, and a broad functional group compatibility, suggesting that these processes could be implemented in late-stage diversification. This perspective describes the evolution of metal-catalyzed reductive carboxylation of organic (pseudo)halides from its inception in the pioneering stoichiometric work of Osakada to the present. Specific emphasis is devoted to the reactivity of these coupling processes, with substrates ranging from aryl-, vinyl-, benzyl- to unactivated alkyl (pseudo)halides. Despite the impressive advances realized, a comprehensive study detailing the mechanistic intricacies of these processes is still lacking. Some recent empirical evidence reveal an intriguing dichotomy exerted by the substitution pattern on the ligands utilized; still, however, some elementary steps within the catalytic cycle of these reactions remain speculative, in many instances invoking a canonical cross-coupling process. Although tentative, we anticipate that these processes might fall into more than one distinct mechanistic category depending on the substrate utilized, suggesting that investigations aimed at unraveling the mechanistic underpinnings of these processes will likely bring new and innovative research grounds in this vibrant area of expertise.
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Affiliation(s)
- Marino Börjesson
- Institute
of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain
| | - Toni Moragas
- Institute
of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain
| | - Daniel Gallego
- Institute
of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain
| | - Ruben Martin
- Institute
of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain
- ICREA, Passeig Lluïs Companys, 23, 08010, Barcelona, Spain
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