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Möllerke A, Bello J, Leinaas HP, Schulz S. Cyclopropane Hydrocarbons from the Springtail Vertagopus sarekensis─A New Class of Cuticular Lipids from Arthropods. JOURNAL OF NATURAL PRODUCTS 2024; 87:85-97. [PMID: 37957119 PMCID: PMC10825826 DOI: 10.1021/acs.jnatprod.3c00789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 10/27/2023] [Accepted: 10/27/2023] [Indexed: 11/15/2023]
Abstract
The epicuticle of insects is usually coated with a complex mixture of hydrocarbons, primarily straight-chain and methyl-branched alkanes and alkenes. We were interested in whether springtails (Collembola), a sister class of the insects, also use such compounds. We focused here on Vertagopus sarekensis, an abundant Isotomidae species in European high alpine regions, exhibiting coordinated group behavior and migration. This coordination, suggesting chemical communication, made the species interesting for our study on epicuticular hydrocarbons in springtails with different degrees of group behavior. We isolated a single hydrocarbon from its surface, which is the major epicuticular lipid. The structure was deduced by NMR analysis and GC/MS including derivatization. Total synthesis confirmed the structure as cis,cis-3,4,13,14-bismethylene-24-methyldotriacontane (4, sarekensane). The GC/MS analyses of some other cyclopropane hydrocarbons also synthesized showed the close similarity of both mass spectra and gas chromatographic retention indices of alkenes and cyclopropanes. Therefore, analyses of cuticular alkenes must be performed with appropriate derivatization to distinguish these two types of cuticular hydrocarbons. Sarekensane (4) is the first nonterpenoid cuticular hydrocarbon from Collembola that is biosynthesized via the fatty acid pathway, as are insect hydrocarbons, and contains unprecedented cyclopropane rings in the chain, not previously reported from arthropods.
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Affiliation(s)
- Anton Möllerke
- TU
Braunschweig, Institute of Organic Chemistry, Hagenring 30, 38106 Braunschweig, Germany
| | - Jan Bello
- TU
Braunschweig, Institute of Organic Chemistry, Hagenring 30, 38106 Braunschweig, Germany
| | | | - Stefan Schulz
- TU
Braunschweig, Institute of Organic Chemistry, Hagenring 30, 38106 Braunschweig, Germany
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Zvaigzne M, Samokhvalov P, Gun'ko YK, Nabiev I. Anisotropic nanomaterials for asymmetric synthesis. NANOSCALE 2021; 13:20354-20373. [PMID: 34874394 DOI: 10.1039/d1nr05977g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The production of enantiopure chemicals is an essential part of modern chemical industry. Hence, the emergence of asymmetric catalysis led to dramatic changes in the procedures of chemical synthesis, and now it provides the most advantageous and economically executable solution for large-scale production of chiral chemicals. In recent years, nanostructures have emerged as potential materials for asymmetric synthesis. Indeed, on the one hand, nanomaterials offer great opportunities as catalysts in asymmetric catalysis, due to their tunable absorption, chirality, and unique energy transfer properties; on the other hand, the advantages of the larger surface area, increased number of unsaturated coordination centres, and more accessible active sites open prospects for catalyst encapsulation, partial or complete, in a nanoscale cavity, pore, pocket, or channel leading to alteration of the chemical reactivity through spatial confinement. This review focuses on anisotropic nanomaterials and considers the state-of-the-art progress in asymmetric synthesis catalysed by 1D, 2D and 3D nanostructures. The discussion comprises three main sections according to the nanostructure dimensionality. We analyze recent advances in materials and structure development, discuss the functional role of the nanomaterials in asymmetric synthesis, chirality, confinement effects, and reported enantioselectivity. Finally, the new opportunities and challenges of anisotropic 1D, 2D, and 3D nanomaterials in asymmetric synthesis, as well as the future prospects and current trends of the design and applications of these materials are analyzed in the Conclusions and outlook section.
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Affiliation(s)
- Mariya Zvaigzne
- Laboratory of Nano-Bioengineering, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 115409 Moscow, Russia
| | - Pavel Samokhvalov
- Laboratory of Nano-Bioengineering, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 115409 Moscow, Russia
| | - Yurii K Gun'ko
- Laboratory of Nano-Bioengineering, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 115409 Moscow, Russia
- School of Chemistry, Trinity College, the University of Dublin, Dublin 2, Ireland.
| | - Igor Nabiev
- Laboratory of Nano-Bioengineering, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 115409 Moscow, Russia
- Laboratoire de Recherche en Nanosciences, LRN-EA4682, 51 rue Cognacq Jay, Université de Reims Champagne-Ardenne, 51100 Reims, France
- Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya Str., 119991 Moscow, Russia
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Saito Y, Kobayashi S. Chiral Heterogeneous Scandium Lewis Acid Catalysts for Continuous‐Flow Enantioselective Friedel–Crafts Carbon–Carbon Bond‐Forming Reactions. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202112797] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Yuki Saito
- Department of Chemistry School of Science The University of Tokyo 7-3-1, Hongo, Bunkyo-ku Tokyo Japan
| | - Shū Kobayashi
- Department of Chemistry School of Science The University of Tokyo 7-3-1, Hongo, Bunkyo-ku Tokyo Japan
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Saito Y, Kobayashi S. Chiral Heterogeneous Scandium Lewis Acid Catalysts for Continuous-Flow Enantioselective Friedel-Crafts Carbon-Carbon Bond-Forming Reactions. Angew Chem Int Ed Engl 2021; 60:26566-26570. [PMID: 34661969 DOI: 10.1002/anie.202112797] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 10/17/2021] [Indexed: 11/11/2022]
Abstract
While continuous-flow reactions with chiral heterogeneous catalysts provide a highly efficient method to synthesize optically active compounds, chiral heterogeneous Lewis acid catalysis has been less extensively explored. We have developed the first example of chiral heterogeneous Sc catalysts, which demonstrated excellent activity and selectivity for continuous-flow enantioselective Friedel-Crafts reactions of isatins with indoles. Noncovalent interactions between chiral Sc complexes and heteropoly acid-anchored amine-functionalized SiO2 as support were utilized for the synthesis. The heteropoly acid was found to be crucial for the preparation, activity, and selectivity of the catalysts. The chiral ligand could be easily tuned without chemical modification and the continuous-flow synthesis of a biologically active compound was achieved.
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Affiliation(s)
- Yuki Saito
- Department of Chemistry, School of Science, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, Japan
| | - Shū Kobayashi
- Department of Chemistry, School of Science, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, Japan
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Wang J, Liu Y, Wei Z, Cao J, Liang D, Lin Y, Duan H. Synthesis of 4-Azaindolines Using Phase-Transfer Catalysis via an Intramolecular Mannich Reaction. J Org Chem 2020; 85:4047-4057. [PMID: 32130006 DOI: 10.1021/acs.joc.9b03025] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A series of bifunctional asymmetric phase-transfer catalysts containing novel fluorine-containing urea groups derived from cinchona alkaloids have been synthesized and successfully applied in the asymmetric intramolecular Mannich reaction. The 4-azaindoline products bearing multiple substrates were obtained in excellent yield (90-99%), with high enantioselectivity (up to 95%) and diastereoselectivity (up to >99:1).
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Affiliation(s)
- Jingdong Wang
- Department of Organic Chemistry, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China
| | - Yuxin Liu
- Department of Organic Chemistry, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China
| | - Zhonglin Wei
- Department of Organic Chemistry, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China
| | - Jungang Cao
- Department of Organic Chemistry, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China
| | - Dapeng Liang
- Department of Organic Chemistry, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China
| | - Yingjie Lin
- Department of Organic Chemistry, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China
| | - Haifeng Duan
- Department of Organic Chemistry, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China
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Yu T, Ding Z, Nie W, Jiao J, Zhang H, Zhang Q, Xue C, Duan X, Yamada YMA, Li P. Recent Advances in Continuous-Flow Enantioselective Catalysis. Chemistry 2020; 26:5729-5747. [PMID: 31916323 DOI: 10.1002/chem.201905151] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 12/18/2019] [Indexed: 11/05/2022]
Abstract
The increased demand for more efficient, safe, and green production in fine chemical and pharmaceutical industry calls for the development of continuous-flow manufacturing, and for chiral chemicals in particular, enantioselective catalytic processes. In recent years, this emerging direction has received considerable attention and has seen rapid progress. In most cases, catalytic enantioselective flow processes using homogeneous, heterogeneous, or enzymatic catalysts have shown significant advantages over the conventional batch mode, such as shortened reaction times, lower catalysts loadings, and higher selectivities in addition to the normal merits of non-enantioselective flow operations. In this Minireview, the advancements, key strategies, methods, and technologies developed the last six years as well as remaining challenges are summarized.
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Affiliation(s)
- Tao Yu
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, P. R. China
| | - Zhengwei Ding
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, P. R. China
| | - Wenzheng Nie
- Department of Chemistry, School of Science, Xi'an Jiaotong University, Xi'an, 710061, P. R. China
| | - Jiao Jiao
- Department of Chemistry, School of Science, Xi'an Jiaotong University, Xi'an, 710061, P. R. China.,Xian Key Laboratory of Sustainable Energy Materials Chemistry, Xi'an Jiaotong University, Xi'an, 710049, P. R. China
| | - Hailong Zhang
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, 710061, P. R. China
| | - Qian Zhang
- Department of Applied Chemistry, Xi'an University of Technology, Xi'an, 710048, P. R. China
| | - Chao Xue
- State Key Laboratory for Efficient Development and, Utilization of Fluorine and Nitrogen Chemicals, Xi'an Modern Chemistry Research Institute, Xi'an, 710065, P. R. China
| | - Xinhua Duan
- Department of Chemistry, School of Science, Xi'an Jiaotong University, Xi'an, 710061, P. R. China.,Xian Key Laboratory of Sustainable Energy Materials Chemistry, Xi'an Jiaotong University, Xi'an, 710049, P. R. China
| | - Yoichi M A Yamada
- RIKEN Center for Sustainable Resource Science, Wako, Saitama, 3510198, Japan
| | - Pengfei Li
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, P. R. China.,Xian Key Laboratory of Sustainable Energy Materials Chemistry, Xi'an Jiaotong University, Xi'an, 710049, P. R. China
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Affiliation(s)
- Vincenzo Campisciano
- Department of Biological, Chemical and Pharmaceutical Sciences and TechnologiesUniversity of Palermo Viale delle Scienze, Ed. 17 90128 Palermo Italy
| | - Michelangelo Gruttadauria
- Department of Biological, Chemical and Pharmaceutical Sciences and TechnologiesUniversity of Palermo Viale delle Scienze, Ed. 17 90128 Palermo Italy
| | - Francesco Giacalone
- Department of Biological, Chemical and Pharmaceutical Sciences and TechnologiesUniversity of Palermo Viale delle Scienze, Ed. 17 90128 Palermo Italy
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Watanabe T, Shibasaki M. Catalytic Asymmetric Synthesis of Natural Products Directed Toward Development of Novel Anti-infective and Anti-cancer Medicines. J SYN ORG CHEM JPN 2018. [DOI: 10.5059/yukigoseikyokaishi.76.781] [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]
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9
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Erbium Salts as Non-Toxic Catalysts Compatible with Alternative Reaction Media. SUSTAINABILITY 2018. [DOI: 10.3390/su10030721] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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11
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Asymmetric flow catalysis: Mix-and-go solid-phase Nd/Na catalyst for expeditious enantioselective access to a key intermediate of AZD7594. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.01.066] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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12
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Kumagai N, Shibasaki M. Strategic Immobilization of Molecular Catalysts onto Carbon Nanotubes via Noncovalent Interaction for Catalytic Organic Transformations. Isr J Chem 2016. [DOI: 10.1002/ijch.201600126] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Naoya Kumagai
- Institute of Microbial Chemistry (BIKAKEN), Tokyo; 3-14-23 Kamiosaki, Shinagawa-ku, Tokyo 141-0021 Japan
| | - Masakatsu Shibasaki
- Institute of Microbial Chemistry (BIKAKEN), Tokyo; 3-14-23 Kamiosaki, Shinagawa-ku, Tokyo 141-0021 Japan
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Chaban VV, Prezhdo OV. Pressure-driven opening of carbon nanotubes. NANOSCALE 2016; 8:6014-6020. [PMID: 26927885 DOI: 10.1039/c6nr00138f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The closing and opening of carbon nanotubes (CNTs) is essential for their applications in nanoscale chemistry and biology. We report reactive molecular dynamics simulations of CNT opening triggered by internal pressure of encapsulated gas molecules. Confined argon generates 4000 bars of pressure inside capped CNT and lowers the opening temperature by 200 K. Chemical interactions greatly enhance the efficiency of CNT opening: fluorine-filled CNTs open by fluorination of carbon bonds at temperature and pressure that are 700 K and 1000 bar lower than for argon-filled CNTs. Moreover, pressure induced CNT opening by confined gases leaves the CNT cylinders intact and removes only the fullerene caps, while the empty CNT decomposes completely. In practice, the increase in pressure can be achieved by near-infrared light, which penetrates through water and biological tissues and is absorbed by CNTs, resulting in rapid local heating. Spanning over a thousand of bars and Kelvin, the reactive and non-reactive scenarios of CNT opening represent extreme cases and allow for a broad experimental control over properties of the CNT interior and release conditions of the confined species. The detailed insights into the thermodynamic conditions and chemical mechanisms of the pressure-induced CNT opening provide practical guidelines for the development of novel nanoreactors, catalysts, photo-catalysts, imaging labels and drug delivery vehicles.
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Affiliation(s)
- Vitaly V Chaban
- Instituto de Ciência e Tecnologia, Universidade Federal de São Paulo, 12231-280, São José dos Campos, SP, Brazil.
| | - Oleg V Prezhdo
- Department of Chemistry, University of Southern California, Los Angeles, CA 90089, USA
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15
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Ötvös SB, Szloszár A, Mándity IM, Fülöp F. Heterogeneous Dipeptide-Catalyzed α-Amination of Aldehydes in a Continuous-Flow Reactor: Effect of Residence Time on Enantioselectivity. Adv Synth Catal 2015. [DOI: 10.1002/adsc.201500375] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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16
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Arai T, Kojima T, Watanabe O, Itoh T, Kanoh H. Recyclable Poly-Zn3(OAc)4-3,3′-Bis(aminoimino)binaphthoxide Catalyst for Asymmetric Iodolactonization. ChemCatChem 2015. [DOI: 10.1002/cctc.201500842] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Takayoshi Arai
- Molecular Chirality Research Center; Synthetic Organic Chemistry; Department of Chemistry; Graduate School of Science; Chiba University; 1-33 Yayoi, Inage Chiba 263-8522 Japan
| | - Takahiro Kojima
- Molecular Chirality Research Center; Synthetic Organic Chemistry; Department of Chemistry; Graduate School of Science; Chiba University; 1-33 Yayoi, Inage Chiba 263-8522 Japan
| | - Ohji Watanabe
- Molecular Chirality Research Center; Synthetic Organic Chemistry; Department of Chemistry; Graduate School of Science; Chiba University; 1-33 Yayoi, Inage Chiba 263-8522 Japan
| | - Tsutomu Itoh
- Center for Analytical Instrumentation; Chiba University; 1-33 Yayoi, Inage Chiba 263-8522 Japan
| | - Hirofumi Kanoh
- Molecular Chemistry, Department of Chemistry; Graduate School of Science; Chiba University; 1-33 Yayoi, Inage Chiba 263-8522 Japan
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Robinson JR, Gu J, Carroll PJ, Schelter EJ, Walsh PJ. Exchange Processes in Shibasaki’s Rare Earth Alkali Metal BINOLate Frameworks and Their Relevance in Multifunctional Asymmetric Catalysis. J Am Chem Soc 2015; 137:7135-44. [DOI: 10.1021/jacs.5b02201] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jerome R. Robinson
- P. Roy and Diana T. Vagelos Laboratories,
Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Jun Gu
- P. Roy and Diana T. Vagelos Laboratories,
Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Patrick J. Carroll
- P. Roy and Diana T. Vagelos Laboratories,
Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Eric J. Schelter
- P. Roy and Diana T. Vagelos Laboratories,
Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Patrick J. Walsh
- P. Roy and Diana T. Vagelos Laboratories,
Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
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