1
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Nonn M, Fustero S, Kiss L. Application of 2-Azabicyclo[2.2.1]Hept-5-En-3-One (Vince Lactam) in Synthetic Organic and Medicinal Chemistry. CHEM REC 2024:e202400070. [PMID: 39008895 DOI: 10.1002/tcr.202400070] [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: 04/15/2024] [Revised: 05/22/2024] [Indexed: 07/17/2024]
Abstract
2-Azabicyclo[2.2.1]hept-5-en-3-one (Vince lactam) is known to be a valuable building block in synthetic organic chemistry and drug research. It is an important precursor to access of some blockbuster antiviral drugs such as Carbovir or Abacavir as well as other carbocyclic neuraminidase inhibitors as antiviral agents. The ring C=C bond of the Vince lactam allows versatile chemical manipulations to create not only functionalized γ-lactams, but also γ-amino acid derivatives with a cyclopentane framework. The aim of the current account is to summarize the chemistry of Vince lactam, its synthetic utility and application in organic and medicinal chemistry over the last decade.
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Affiliation(s)
- Melinda Nonn
- MTA TTK Lendület Artificial Transporter Research Group, Institute of Materials and Environmental Chemistry, HUN-REN Research Center for Natural Sciences, H-1117, Budapest, Magyar tudósok krt. 2, Hungary
| | - Santos Fustero
- Department of Organic Chemistry, University of Valencia, Pharmacy Faculty, València, 46100-Burjassot Valencia, Spain
| | - Loránd Kiss
- Institute of Organic Chemistry, Stereochemistry Research Group, HUN-REN Research Center for Natural Sciences, H-1117, Budapest, Magyar tudósok krt. 2, Hungary
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2
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Balo R, Fernández AG, Chopdat A, Ayadi SE, Kato A, Estévez RJ, Fleet GWJ, Estévez JC. Stable D-xylose ditriflate in divergent syntheses of dihydroxy prolines, pyrrolidines, tetrahydrofuran-2-carboxylic acids, and cyclic β-amino acids. Org Biomol Chem 2022; 20:9447-9459. [PMID: 36408757 DOI: 10.1039/d2ob01255c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Double nucleophilic displacement of D-xylo-ditriflate by amines, water and alkyl cyanoacetates, respectively, gave a series of bicyclic divergent intermediates for the synthesis of a wide range of highly functionalized targets, including hydroxylated prolines, pyrrolidines, furanoic acids, and cyclopentanes.
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Affiliation(s)
- Rosalino Balo
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares and Departamento de Química Orgánica, Campus Vida, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain.
| | - Alberto G Fernández
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares and Departamento de Química Orgánica, Campus Vida, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain.
| | - Adam Chopdat
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares and Departamento de Química Orgánica, Campus Vida, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain.
| | - Soufian El Ayadi
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares and Departamento de Química Orgánica, Campus Vida, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain.
| | - Atsushi Kato
- Department of Hospital Pharmacy, University of Toyama, Toyama 930-0194, Japan
| | - Ramón J Estévez
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares and Departamento de Química Orgánica, Campus Vida, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain. .,Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Oxford, OX1 3TA, UK
| | - George W J Fleet
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Oxford, OX1 3TA, UK
| | - Juan C Estévez
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares and Departamento de Química Orgánica, Campus Vida, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain.
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3
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Mahmoud NF, Omar NR, Mohamed GG, Sayed FN. Synthesis, structural characterization and in vitro antibacterial activity studies of ternary metal complexes of anti-inflammatory bromhexine drug. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.110216] [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]
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4
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Brittain WDG, Lloyd CM, Cobb SL. Synthesis of complex unnatural fluorine-containing amino acids. J Fluor Chem 2020; 239:109630. [PMID: 33144742 PMCID: PMC7583769 DOI: 10.1016/j.jfluchem.2020.109630] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 08/12/2020] [Accepted: 08/12/2020] [Indexed: 01/01/2023]
Abstract
The area of fluorinated amino acid synthesis has seen rapid growth over the past decade. As reports of singly fluorinated natural amino acid derivatives have grown, researchers have turned their attention to develop methodology to access complex proteinogenic examples. A variety of reaction conditions have been employed in this area, exploiting new advances in the wider synthetic community such as photocatalysis and palladium cross-coupling. In addition, novel fluorinated functional groups have also been incorporated into amino acids, with SFX and perfluoro moieties now appearing with more frequency in the literature. This review focuses on synthetic methodology for accessing complex non-proteinogenic amino acids, along with amino acids containing multiple fluorine atoms such as CF3, SF5 and perfluoroaromatic groups.
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Affiliation(s)
| | - Carissa M Lloyd
- Department of Chemistry, Durham University, Durham DH1 3LE, United Kingdom
| | - Steven L Cobb
- Department of Chemistry, Durham University, Durham DH1 3LE, United Kingdom
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5
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Abdel-Latif HMR, Dawood MAO, Menanteau-Ledouble S, El-Matbouli M. Environmental transformation of n-TiO 2 in the aquatic systems and their ecotoxicity in bivalve mollusks: A systematic review. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 200:110776. [PMID: 32474243 DOI: 10.1016/j.ecoenv.2020.110776] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2019] [Revised: 05/14/2020] [Accepted: 05/15/2020] [Indexed: 06/11/2023]
Abstract
Over the past decades, titanium dioxide nanoparticles (n-TiO2) have been extensively used in several industrial applications and the manufacture of novel consumer products. Although strict regulations have been put in place to limit their release into the aquatic environment, these nanoparticles can still be found at elevated levels within the environment, which can result in toxic effects on exposed organisms and has possible implications in term of public health. Bivalve mollusks are a unique and ideal group of shellfish for the study and monitoring the aquatic pollution by n-TiO2 because of their filter-feeding behaviour and ability to accumulate toxicants in their tissues. In these animals, exposure to n-TiO2 leads to oxidative stress, immunotoxicity, neurotoxicity, and genotoxicity, as well as behavioral and physiological changes. This review summarizes the uptake, accumulation, and fate of n-TiO2 in aquatic environments and the possible interactions between n-TiO2 and other contaminants such as heavy metals and organic pollutants. Moreover, the toxicological impacts and mechanisms of action are discussed for a wide range of bivalve mollusks. This data underlines the pressing need for additional knowledge and future research plans for the development of control strategies to mitigate the release of n-TiO2 to the aquatic environment to prevent the toxicological impacts on bivalves and protect public health.
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Affiliation(s)
- Hany M R Abdel-Latif
- Department of Poultry and Fish Diseases, Faculty of Veterinary Medicine, Alexandria University, Edfina, 22758, Behera province, Egypt.
| | - Mahmoud A O Dawood
- Department of Animal Production, Faculty of Agriculture, Kafrelsheikh University, 33516, Kafrelsheikh, Egypt; School of Freshwater Sciences, University of Wisconsin-Milwaukee, Milwaukee, WI, 53204, USA.
| | | | - Mansour El-Matbouli
- Clinical Division of Fish Medicine, University of Veterinary Medicine, Vienna, Austria.
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6
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Zhou QQ, Miao RQ, Wang DF, Huang RB. Syntheses, structures and properties of three novel Cu(Ⅱ) coordination compounds based on 4,4′-oxybisbenzoic acid. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.127688] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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7
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Qin L, Hu Q, Shen H, Li YY, Shi XX, Wang L, Li J. One Metal-Organic Framework with one open nitrogen site as luminescence detections for Fe3+ and Cr2O72-. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2019.126943] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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8
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Benedikter MJ, Schowner R, Elser I, Werner P, Herz K, Stöhr L, Imbrich DA, Nagy GM, Wang D, Buchmeiser MR. Synthesis of trans-Isotactic Poly(norbornene)s through Living Ring-Opening Metathesis Polymerization Initiated by Group VI Imido Alkylidene N-Heterocyclic Carbene Complexes. Macromolecules 2019. [DOI: 10.1021/acs.macromol.9b00422] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Mathis J. Benedikter
- Institute of Polymer Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Roman Schowner
- Institute of Polymer Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Iris Elser
- Institute of Polymer Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Philipp Werner
- Institute of Polymer Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Katharina Herz
- Institute of Polymer Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Laura Stöhr
- Institute of Polymer Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Dominik A. Imbrich
- Institute of Polymer Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Gergely M. Nagy
- Institute of Polymer Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Dongren Wang
- Institute of Polymer Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
- German Institutes of Textile and Fiber Research (DITF) Denkendorf, Körschtalstr. 26, D-73770 Denkendorf, Germany
| | - Michael R. Buchmeiser
- Institute of Polymer Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
- German Institutes of Textile and Fiber Research (DITF) Denkendorf, Körschtalstr. 26, D-73770 Denkendorf, Germany
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9
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Hu HJ, Chen P, Ao YF, Wang QQ, Wang DX, Wang MX. Highly efficient biocatalytic desymmetrization of meso carbocyclic 1,3-dicarboxamides: a versatile route for enantiopure 1,3-disubstituted cyclohexanes and cyclopentanes. Org Chem Front 2019. [DOI: 10.1039/c9qo00069k] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Highly efficient biocatalytic desymmetrization of meso carbocyclic 1,3-dicarboxamides to enantiopure 1,3-disubstituted cyclohexanes and cyclopentanes was realized.
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Affiliation(s)
- Hui-Juan Hu
- Beijing National Laboratory for Molecular Sciences
- CAS Key Laboratory of Molecular Recognition and Function
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - Peng Chen
- Beijing National Laboratory for Molecular Sciences
- CAS Key Laboratory of Molecular Recognition and Function
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - Yu-Fei Ao
- Beijing National Laboratory for Molecular Sciences
- CAS Key Laboratory of Molecular Recognition and Function
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - Qi-Qiang Wang
- Beijing National Laboratory for Molecular Sciences
- CAS Key Laboratory of Molecular Recognition and Function
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - De-Xian Wang
- Beijing National Laboratory for Molecular Sciences
- CAS Key Laboratory of Molecular Recognition and Function
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - Mei-Xiang Wang
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- China
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10
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Ouchakour L, Ábrahámi RA, Forró E, Haukka M, Fülöp F, Kiss L. Stereocontrolled Synthesis of Fluorine-Containing Piperidine γ-Amino Acid Derivatives. European J Org Chem 2018. [DOI: 10.1002/ejoc.201801540] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Lamiaa Ouchakour
- Institute of Pharmaceutical Chemistry; University of Szeged; Szeged, Eötvös u. Hungary
- Interdisciplinary Excellence Centre; Institute of Pharmaceutical Chemistry; University of Szeged; Szeged Hungary
| | - Renáta A. Ábrahámi
- Institute of Pharmaceutical Chemistry; University of Szeged; Szeged, Eötvös u. Hungary
| | - Enikő Forró
- Institute of Pharmaceutical Chemistry; University of Szeged; Szeged, Eötvös u. Hungary
| | - Matti Haukka
- Department of Chemistry; Institute of Pharmaceutical Chemistry; University of Jyväskylä; Finland
| | - Ferenc Fülöp
- Institute of Pharmaceutical Chemistry; University of Szeged; Szeged, Eötvös u. Hungary
- MTA-SZTE Stereochemistry Research Group; Hungarian Academy of Sciences; Szeged, Eötvös u. 6 Hungary
- Interdisciplinary Excellence Centre; Institute of Pharmaceutical Chemistry; University of Szeged; Szeged Hungary
| | - Loránd Kiss
- Institute of Pharmaceutical Chemistry; University of Szeged; Szeged, Eötvös u. Hungary
- Interdisciplinary Excellence Centre; Institute of Pharmaceutical Chemistry; University of Szeged; Szeged Hungary
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11
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Remete AM, Nonn M, Fustero S, Fülöp F, Kiss L. Synthesis of fluorinated amino acid derivatives through late-stage deoxyfluorinations. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.09.021] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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12
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Benedikter MJ, Frater G, Buchmeiser MR. Regio- and Stereoselective Ring-Opening Metathesis Polymerization of Enantiomerically Pure Vince Lactam. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b00318] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Mathis J. Benedikter
- Institute of Polymer Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Georg Frater
- XiMo AG, Altsagenstr. 3, CH-6048 Horw/Lucerne, Switzerland
| | - Michael R. Buchmeiser
- Institute of Polymer Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
- German Institutes
of Textile and Fiber Research (DITF) Denkendorf, Körschtalstr. 26, D-73770 Denkendorf, Germany
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13
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González MA, Estévez AM, Campos M, Estévez JC, Estévez RJ. Protocol for the Incorporation of γ-Amino Acids into Peptides: Application to (-)-Shikimic Acid Based 2-Amino-Methylcyclohexanecarboxylic Acids. J Org Chem 2018; 83:1543-1550. [PMID: 29297227 DOI: 10.1021/acs.joc.7b02671] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
The first example of a new protocol for the incorporation of γ-amino acids into peptides is reported. It involved a shikimic acid based stereoselective synthesis polyhydroxylated-2-nitromethylcyclohexanecarboxylic acids, which were directly incorporated into peptides.
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Affiliation(s)
- Marcos A González
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica, Campus Vida, Universidade de Santiago de Compostela , 15782 Santiago de Compostela, Spain
| | - Amalia M Estévez
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica, Campus Vida, Universidade de Santiago de Compostela , 15782 Santiago de Compostela, Spain
| | - María Campos
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica, Campus Vida, Universidade de Santiago de Compostela , 15782 Santiago de Compostela, Spain
| | - Juan C Estévez
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica, Campus Vida, Universidade de Santiago de Compostela , 15782 Santiago de Compostela, Spain
| | - Ramón J Estévez
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica, Campus Vida, Universidade de Santiago de Compostela , 15782 Santiago de Compostela, Spain
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14
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Rodríguez-Vázquez N, García-Fandiño R, Aldegunde MJ, Brea J, Loza MI, Amorín M, Granja JR. cis-Platinum Complex Encapsulated in Self-Assembling Cyclic Peptide Dimers. Org Lett 2017; 19:2560-2563. [PMID: 28471680 DOI: 10.1021/acs.orglett.7b00871] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
A new cyclic peptide dimer that encapsulates cisplatin complexes in its internal cavity is described. The resulting complex showed cytotoxic activity at A2780 ovarian cancer cell lines independent of acquired platinum resistance.
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Affiliation(s)
- Nuria Rodríguez-Vázquez
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica, Universidade de Santiago de Compostela , 15782 Santiago de Compostela, Spain
| | - Rebeca García-Fandiño
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica, Universidade de Santiago de Compostela , 15782 Santiago de Compostela, Spain.,CIQUP, Department of Chemistry and Biochemistry, Faculdade de Ciencias, Universidade do Porto , 4169-007 Porto, Portugal
| | - María J Aldegunde
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica, Universidade de Santiago de Compostela , 15782 Santiago de Compostela, Spain
| | - José Brea
- Centro Singular de Investigación en Medicina Molecular y Enfermedades Crónicas (CIMUS) and Department of Pharmacology, Universidade de Santiago de Compostela , 15782 Santiago de Compostela, Spain
| | - María Isabel Loza
- Centro Singular de Investigación en Medicina Molecular y Enfermedades Crónicas (CIMUS) and Department of Pharmacology, Universidade de Santiago de Compostela , 15782 Santiago de Compostela, Spain
| | - Manuel Amorín
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica, Universidade de Santiago de Compostela , 15782 Santiago de Compostela, Spain
| | - Juan R Granja
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica, Universidade de Santiago de Compostela , 15782 Santiago de Compostela, Spain
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15
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16
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Fuertes A, Ozores HL, Amorín M, Granja JR. Self-assembling Venturi-like peptide nanotubes. NANOSCALE 2017; 9:748-753. [PMID: 27973623 DOI: 10.1039/c6nr08174f] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
We describe the design and synthesis of self-assembling peptide nanotubes that have an internal filter area and whose length and internal diameters, at the entrance and in the constricted area, are precisely controlled.
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Affiliation(s)
- Alberto Fuertes
- Singular Research Centre in Chemical Biology and Molecular Materials, (CIQUS), Organic Chemistry Department, University of Santiago de Compostela (USC), 15782 Santiago de Compostela, Spain.
| | - Haxel Lionel Ozores
- Singular Research Centre in Chemical Biology and Molecular Materials, (CIQUS), Organic Chemistry Department, University of Santiago de Compostela (USC), 15782 Santiago de Compostela, Spain.
| | - Manuel Amorín
- Singular Research Centre in Chemical Biology and Molecular Materials, (CIQUS), Organic Chemistry Department, University of Santiago de Compostela (USC), 15782 Santiago de Compostela, Spain.
| | - Juan R Granja
- Singular Research Centre in Chemical Biology and Molecular Materials, (CIQUS), Organic Chemistry Department, University of Santiago de Compostela (USC), 15782 Santiago de Compostela, Spain.
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17
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Ozores HL, Amorín M, Granja JR. Self-Assembling Molecular Capsules Based on α,γ-Cyclic Peptides. J Am Chem Soc 2017; 139:776-784. [DOI: 10.1021/jacs.6b10456] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Haxel Lionel Ozores
- Centro Singular de Investigación
en Química Biolóxica e Materiais Moleculares (CIQUS),
and Departamento de Química Orgánica, Universidade de Santiago de Compostela, Santiago de Compostela 15782, Spain
| | - Manuel Amorín
- Centro Singular de Investigación
en Química Biolóxica e Materiais Moleculares (CIQUS),
and Departamento de Química Orgánica, Universidade de Santiago de Compostela, Santiago de Compostela 15782, Spain
| | - Juan R. Granja
- Centro Singular de Investigación
en Química Biolóxica e Materiais Moleculares (CIQUS),
and Departamento de Química Orgánica, Universidade de Santiago de Compostela, Santiago de Compostela 15782, Spain
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18
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Rodríguez-Vázquez N, Amorín M, Granja JR. Recent advances in controlling the internal and external properties of self-assembling cyclic peptide nanotubes and dimers. Org Biomol Chem 2017; 15:4490-4505. [DOI: 10.1039/c7ob00351j] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Tuning the internal and external properties of self-assembling cyclic peptide nanotubes.
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Affiliation(s)
- N. Rodríguez-Vázquez
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica
- Universidade de Santiago de Compostela
- 15782 Santiago de Compostela
- Spain
| | - M. Amorín
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica
- Universidade de Santiago de Compostela
- 15782 Santiago de Compostela
- Spain
| | - J. R. Granja
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica
- Universidade de Santiago de Compostela
- 15782 Santiago de Compostela
- Spain
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19
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Ordóñez M, Cativiela C, Romero-Estudillo I. An update on the stereoselective synthesis of γ-amino acids. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.tetasy.2016.08.011] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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20
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Calvelo M, Vázquez S, García-Fandiño R. Molecular dynamics simulations for designing biomimetic pores based on internally functionalized self-assembling α,γ-peptide nanotubes. Phys Chem Chem Phys 2016; 17:28586-601. [PMID: 26443433 DOI: 10.1039/c5cp04200c] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
A molecular dynamics study on internally functionalized peptide nanotubes composed of α- and γ-amino acids self-assembled in lipid bilayers is presented. One of the main advantages of peptide nanotubes composed of γ-amino acids is that the properties of their inner cavities can be tuned by introducing different functions on β-carbon of the γ-amino acid. In the work described here we studied the effect of the presence of different numbers of hydroxyl groups in different positions in the lumen of these channels when they are inserted into a lipid bilayer and assessed how they affect the structural and dynamic behavior of the modified peptide nanotubes as well as the transmembrane transport of different ions. The results provided atomic information about the effect of polar groups on the dynamic, structural and transport properties of this type of peptidic channel upon insertion into lipid bilayers, projecting a promising future for their use as biomimetic channels when properly inner-derivatized. Furthermore, the chemical versatility of the hydroxyl groups in the lumen of the peptide nanotubes would enable appealing applications for these channels, such as a controlled method for the activation/inactivation of the transmembrane transport along the nanopore.
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Affiliation(s)
- Martín Calvelo
- Department of Organic Chemistry, Center for Research in Biological Chemistry and Molecular Materials, Campus Vida, Santiago de Compostela University, E-15782 Santiago de Compostela, Spain.
| | - Saulo Vázquez
- Department of Physical Chemistry, Center for Research in Biological Chemistry and Molecular Materials, Campus Vida, Santiago de Compostela University, E-15782 Santiago de Compostela, Spain
| | - Rebeca García-Fandiño
- Department of Organic Chemistry, Center for Research in Biological Chemistry and Molecular Materials, Campus Vida, Santiago de Compostela University, E-15782 Santiago de Compostela, Spain.
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21
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Karlsson S. Development of an Enantioselective Novozym 435 Mediated Acetylation for the Preparation of (1S,3R)-3-Acetamidocyclohexane-1-carboxylic Acid. Org Process Res Dev 2016. [DOI: 10.1021/acs.oprd.6b00146] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Staffan Karlsson
- Innovative Medicines, Pharmaceutical Sciences, Early Chemical Development, AstraZeneca R&D Gothenburg, SE-431 83 Mölndal, Sweden
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22
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Rodríguez-Vázquez N, Amorín M, Alfonso I, Granja JR. Anion Recognition and Induced Self-Assembly of an α,γ-Cyclic Peptide To Form Spherical Clusters. Angew Chem Int Ed Engl 2016; 55:4504-8. [DOI: 10.1002/anie.201511857] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2016] [Indexed: 11/08/2022]
Affiliation(s)
- Nuria Rodríguez-Vázquez
- Departamento de Química Orgánica and Centro Singular de Investigación en Química Biológica y Materiales Moleculares (CIQUS); Universidad de Santiago de Compostela; 15782 Santiago de Compostela Spain
| | - Manuel Amorín
- Departamento de Química Orgánica and Centro Singular de Investigación en Química Biológica y Materiales Moleculares (CIQUS); Universidad de Santiago de Compostela; 15782 Santiago de Compostela Spain
| | - Ignacio Alfonso
- Departamento de Química Biológica y Modelización Molecular; Instituto de Química Avanzada de Cataluña (IQAC-CSIC); Jordi Girona, 18-26 08034 Barcelona Spain
| | - Juan R. Granja
- Departamento de Química Orgánica and Centro Singular de Investigación en Química Biológica y Materiales Moleculares (CIQUS); Universidad de Santiago de Compostela; 15782 Santiago de Compostela Spain
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23
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Rodríguez-Vázquez N, Amorín M, Alfonso I, Granja JR. Anion Recognition and Induced Self-Assembly of an α,γ-Cyclic Peptide To Form Spherical Clusters. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201511857] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Nuria Rodríguez-Vázquez
- Departamento de Química Orgánica and Centro Singular de Investigación en Química Biológica y Materiales Moleculares (CIQUS); Universidad de Santiago de Compostela; 15782 Santiago de Compostela Spain
| | - Manuel Amorín
- Departamento de Química Orgánica and Centro Singular de Investigación en Química Biológica y Materiales Moleculares (CIQUS); Universidad de Santiago de Compostela; 15782 Santiago de Compostela Spain
| | - Ignacio Alfonso
- Departamento de Química Biológica y Modelización Molecular; Instituto de Química Avanzada de Cataluña (IQAC-CSIC); Jordi Girona, 18-26 08034 Barcelona Spain
| | - Juan R. Granja
- Departamento de Química Orgánica and Centro Singular de Investigación en Química Biológica y Materiales Moleculares (CIQUS); Universidad de Santiago de Compostela; 15782 Santiago de Compostela Spain
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24
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Rodríguez-Vázquez N, Fuertes A, Amorín M, Granja JR. Bioinspired Artificial Sodium and Potassium Ion Channels. Met Ions Life Sci 2016; 16:485-556. [DOI: 10.1007/978-3-319-21756-7_14] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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25
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Rodríguez-Vázquez N, García-Fandiño R, Amorín M, Granja JR. Self-assembling α,γ-cyclic peptides that generate cavities with tunable properties. Chem Sci 2016; 7:183-187. [PMID: 28757999 PMCID: PMC5515055 DOI: 10.1039/c5sc03187g] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Accepted: 09/11/2015] [Indexed: 11/22/2022] Open
Abstract
The design and synthesis of β-sheet-based self-assembling cyclic peptides with tunable cavities is described. The incorporation of a γ-amino acid with a hydroxyl group at C2 allows the incorporation of different groups that modify the internal properties of the resulting dimeric ensemble. These dimers can entrap different guests depending on the properties of the group at C2. The guest defines the geometry of the resulting aggregate.
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Affiliation(s)
- Nuria Rodríguez-Vázquez
- Singular Research Centre in Chemical Biology and Molecular Materials , (CIQUS) , Organic Chemistry Department , University of Santiago de Compostela (USC) , 15782 Santiago de Compostela , Spain
| | - Rebeca García-Fandiño
- Singular Research Centre in Chemical Biology and Molecular Materials , (CIQUS) , Organic Chemistry Department , University of Santiago de Compostela (USC) , 15782 Santiago de Compostela , Spain
| | - Manuel Amorín
- Singular Research Centre in Chemical Biology and Molecular Materials , (CIQUS) , Organic Chemistry Department , University of Santiago de Compostela (USC) , 15782 Santiago de Compostela , Spain
| | - Juan R Granja
- Singular Research Centre in Chemical Biology and Molecular Materials , (CIQUS) , Organic Chemistry Department , University of Santiago de Compostela (USC) , 15782 Santiago de Compostela , Spain
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26
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Wang J, Liu R, Wang H, Yu W, Xu F, Shen Z. Identification and apportionment of hazardous elements in the sediments in the Yangtze River estuary. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2015; 22:20215-20225. [PMID: 26511260 DOI: 10.1007/s11356-015-5642-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2014] [Accepted: 10/19/2015] [Indexed: 06/05/2023]
Abstract
In this study, positive matrix factorization (PMF) and principal components analysis (PCA) were combined to identify and apportion pollution-based sources of hazardous elements in the surface sediments in the Yangtze River estuary (YRE). Source identification analysis indicated that PC1, including Al, Fe, Mn, Cr, Ni, As, Cu, and Zn, can be defined as a sewage component; PC2, including Pb and Sb, can be considered as an atmospheric deposition component; and PC3, containing Cd and Hg, can be considered as an agricultural nonpoint component. To better identify the sources and quantitatively apportion the concentrations to their sources, eight sources were identified with PMF: agricultural/industrial sewage mixed (18.6 %), mining wastewater (15.9 %), agricultural fertilizer (14.5 %), atmospheric deposition (12.8 %), agricultural nonpoint (10.6 %), industrial wastewater (9.8 %), marine activity (9.0 %), and nickel plating industry (8.8 %). Overall, the hazardous element content seems to be more connected to anthropogenic activity instead of natural sources. The PCA results laid the foundation for the PMF analysis by providing a general classification of sources. PMF resolves more factors with a higher explained variance than PCA; PMF provided both the internal analysis and the quantitative analysis. The combination of the two methods can provide more reasonable and reliable results.
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Affiliation(s)
- Jiawei Wang
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, No. 19, Xinjiekouwai Street, Beijing, 100875, China
| | - Ruimin Liu
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, No. 19, Xinjiekouwai Street, Beijing, 100875, China.
| | - Haotian Wang
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, No. 19, Xinjiekouwai Street, Beijing, 100875, China
| | - Wenwen Yu
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, No. 19, Xinjiekouwai Street, Beijing, 100875, China
| | - Fei Xu
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, No. 19, Xinjiekouwai Street, Beijing, 100875, China
| | - Zhenyao Shen
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, No. 19, Xinjiekouwai Street, Beijing, 100875, China
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27
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Tahara YK, Michino M, Ito M, Kanyiva KS, Shibata T. Enantioselective sp(3) C-H alkylation of γ-butyrolactam by a chiral Ir(I) catalyst for the synthesis of 4-substituted γ-amino acids. Chem Commun (Camb) 2015; 51:16660-3. [PMID: 26426546 DOI: 10.1039/c5cc07102j] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Ir-catalyzed sp(3) C-H alkylation of γ-butyrolactam with alkenes was used for the highly enantioselective synthesis of 5-substituted γ-lactams, which were readily converted into chiral 4-substituted γ-amino acids. A broad scope of alkenes was amenable as coupling partners, and the alkylated product using acrylate could be transformed into the key intermediate of pyrrolam A synthesis.
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Affiliation(s)
- Yu-ki Tahara
- Department of Chemistry and Biochemistry, School of Advanced Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan.
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28
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Discovering the feasibility of using the radiation forces for recovering rare earth elements from coal power plant by-products. ADV POWDER TECHNOL 2015. [DOI: 10.1016/j.apt.2015.08.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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29
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Gebhardt S, Müller CH, Westmeier J, Harms K, von Zezschwitz P. Enantioselective Preparation of 3-Arylcycloalkylamines by Rhodium-Catalyzed 1,4-Addition and Subsequent Stereodivergent Reduction. Adv Synth Catal 2015. [DOI: 10.1002/adsc.201400824] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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30
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Aragay G, Ventura B, Guerra A, Pintre I, Chiorboli C, García-Fandiño R, Flamigni L, Granja JR, Ballester P. Self-Sorting of cyclic peptide homodimers into a heterodimeric assembly featuring an efficient photoinduced intramolecular electron-transfer process. Chemistry 2014; 20:3427-38. [PMID: 24677609 DOI: 10.1002/chem.201304200] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2013] [Indexed: 11/07/2022]
Abstract
We describe the thermodynamic characterisation of the self-sorting process experienced by two homodimers assembled by hydrogen-bonding interactions through their cyclopeptide scaffolds and decorated with Zn-porphyrin and fullerene units into a heterodimeric assembly that contains one electron-donor (Zn–porphyrin) and one electron-acceptor group (fullerene). The fluorescence of the Zn-porphyrin unit is strongly quenched upon heterodimer formation. This phenomenon is demonstrated to be the result of an efficient photoinduced electron-transfer (PET) process occurring between the Zn-porphyrin and the fullerene units of the heterodimeric system. The recombination lifetime of the charge-separated state of the heterodimer complex is in the order of 180 ns. In solution, both homo- and heterodimers are present as a mixture of three regioisomers: two staggered and one eclipsed. At the concentration used for this study, the high stability constant determined for the heterodimer suggests that the eclipsed conformer is the main component in solution. The application of the bound-state scenario allowed us to calculate that the heterodimer exists mainly as the eclipsed regioisomer (75-90 %). The attractive interaction that exists between the donor and acceptor chromophores in the heterodimeric assembly favours their arrangement in close contact. This is confirmed by the presence of charge-transfer bands centred at 720 nm in the absorption spectrum of the heterodimer. PET occurs in approximately 75% of the chromophores after excitation of both Zn-porphyrin and fullerene chromophores. Conversely, analogous systems, reported previously, decorated with extended tetrathiafulvalene and fullerene units showed a PET process in a significantly reduced extent (33%). We conclude that the strength (stability constant (K) x effective molarity (EM)) of the intramolecular interaction established between the two chromophores in the Zn-porphyrin/fullerene cyclopeptide-based heterodimers controls the regioisomeric distribution and regulates the high extent to which the PET process takes place in this system.
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31
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Han SJ, de Melo GF, Stoltz BM. A New Method for the Cleavage of Nitrobenzyl Amides and Ethers. Tetrahedron Lett 2014; 55:6467-6469. [PMID: 25400299 PMCID: PMC4228375 DOI: 10.1016/j.tetlet.2014.10.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
A mild and efficient o- and p-nitrobenzyl cleavage protocol was developed. o- and p-Nitrobenzyl groups were easily removed from a variety of substrates using 20% aqueous NaOH in methanol at 75 °C, presumably via oxidation at the benzylic position by oxygen dissolved in the solution. These easily introducible and removable nitrobenzyl groups can serve as valuable protecting groups for the synthesis of multifunctional, complex molecules.
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Affiliation(s)
- Seo-Jung Han
- The Warren and Katharine Schlinger Laboratory for Chemistry and Chemical Engineering, Division of Chemistry and Chemical Engineering, California Institute of Technology, 1200 E California Boulevard, MC 101-20, Pasadena, CA 91125, USA
| | - Gabriel Fernando de Melo
- The Warren and Katharine Schlinger Laboratory for Chemistry and Chemical Engineering, Division of Chemistry and Chemical Engineering, California Institute of Technology, 1200 E California Boulevard, MC 101-20, Pasadena, CA 91125, USA
| | - Brian M. Stoltz
- The Warren and Katharine Schlinger Laboratory for Chemistry and Chemical Engineering, Division of Chemistry and Chemical Engineering, California Institute of Technology, 1200 E California Boulevard, MC 101-20, Pasadena, CA 91125, USA
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32
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Awada H, Robin S, Guillot R, Yazbeck O, Naoufal D, Jaber N, Hachem A, Aitken DJ. Practical Syntheses of Both Enantiomers of the Conformationally Restricted GABA Analoguecis-(2-Aminocyclobutyl)acetic Acid. European J Org Chem 2014. [DOI: 10.1002/ejoc.201402676] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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33
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Panciera M, Amorín M, Granja JR. Molecular Pom Poms from Self-Assembling α,γ-Cyclic Peptides. Chemistry 2014; 20:10260-5. [DOI: 10.1002/chem.201403319] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2014] [Indexed: 02/02/2023]
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34
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Wang Y, Hu M, Li Q, Li J, Lin D, Lu W. Immune toxicity of TiO₂ under hypoxia in the green-lipped mussel Perna viridis based on flow cytometric analysis of hemocyte parameters. THE SCIENCE OF THE TOTAL ENVIRONMENT 2014; 470-471:791-799. [PMID: 24189102 DOI: 10.1016/j.scitotenv.2013.09.060] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2013] [Revised: 08/30/2013] [Accepted: 09/24/2013] [Indexed: 06/02/2023]
Abstract
The combined effects of DO and TiO2 (mixed rutile/anatase phase, 7/3) on immune responses in Perna viridis were examined. Mussels were exposed to six combinations of oxygen levels (hypoxia: 1.5 mg O2l(-1), normoxia: 6.0 mg O2 l(-1)) and TiO2 concentrations (0, 2.5 mg l(-1) and 10 mg l(-1)) for 216 h. Mussels were sampled after 24h, 48h, 120 h and 216 h, and immune parameters of hemocytes, including mortality, phagocytosis, non-specific esterase, ROS production, lysosomal content and total hemocyte count were investigated using flow cytometric assay. Hemocyte mortality was higher under hypoxia than normoxia, and increased with TiO2 concentrations, but no interaction was found between DO and TiO2. Phagocytosis was reduced under hypoxia and decreased with TiO2 exposure, and the interactive effect between time and TiO2 was observed. The percentage of hemocytes showing non-specific esterase activity was lower under hypoxia, and decreased as TiO2 concentration increased with the significant interactive effect of DO and TiO2. ROS production and lysosomal content were lower under hypoxia and reduced as concentration of TiO2 increased, and interactive effect of DO and TiO2 on ROS was evident. THC was significantly affected by the interactive effect between TiO2 and DO, with higher values under normoxia in the presence of TiO2. The present study demonstrated that immune functions of P. viridis were influenced by both nano-TiO2 and hypoxia with some synergistic effects between the two stressors. This implies that DO has to be considered in the evaluation of the toxicity of nano-materials to bivalves.
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Affiliation(s)
- Youji Wang
- College of Fisheries and Life Science, Shanghai Ocean University, 999 Huchenghuan Road, Shanghai 201306, China; Department of Biology and Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China.
| | - Menghong Hu
- College of Fisheries and Life Science, Shanghai Ocean University, 999 Huchenghuan Road, Shanghai 201306, China; Department of Biology and Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Qiongzhen Li
- Guangxi Institute of Fisheries, Nanning, Guangxi, 530021, China
| | - Jiale Li
- College of Fisheries and Life Science, Shanghai Ocean University, 999 Huchenghuan Road, Shanghai 201306, China
| | - Daohui Lin
- Department of Environmental Science, Zhejiang University, Hangzhou 310058, China
| | - Weiqun Lu
- College of Fisheries and Life Science, Shanghai Ocean University, 999 Huchenghuan Road, Shanghai 201306, China.
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