1
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Bauer JO, Espinosa‐Jalapa NA, Fontana N, Götz T, Falk A. Functional Group Variation in
tert
‐Butyldiphenylsilanes (TBDPS): Syntheses, Reactivities, and Effects on the Intermolecular Interaction Pattern in the Molecular Crystalline State. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100342] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Jonathan O. Bauer
- Institut für Anorganische Chemie Fakultät für Chemie und Pharmazie Universität Regensburg Universitätsstraße 31 93053 Regensburg Germany
| | - Noel Angel Espinosa‐Jalapa
- Institut für Anorganische Chemie Fakultät für Chemie und Pharmazie Universität Regensburg Universitätsstraße 31 93053 Regensburg Germany
| | - Nicolò Fontana
- Institut für Anorganische Chemie Fakultät für Chemie und Pharmazie Universität Regensburg Universitätsstraße 31 93053 Regensburg Germany
| | - Tobias Götz
- Institut für Anorganische Chemie Fakultät für Chemie und Pharmazie Universität Regensburg Universitätsstraße 31 93053 Regensburg Germany
| | - Alexander Falk
- Institut für Anorganische Chemie Fakultät für Chemie und Pharmazie Universität Regensburg Universitätsstraße 31 93053 Regensburg Germany
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2
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Destro G, Horkka K, Loreau O, Buisson D, Kingston L, Del Vecchio A, Schou M, Elmore CS, Taran F, Cantat T, Audisio D. Transition‐Metal‐Free Carbon Isotope Exchange of Phenyl Acetic Acids. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202002341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Gianluca Destro
- Université Paris-Saclay CEA, Service de Chimie Bio-organique et de Marquage 91191 Gif-sur-Yvette France
- Université Paris-Saclay CEA, CNRS NIMBE 91191 Gif-sur-Yvette France
| | | | - Olivier Loreau
- Université Paris-Saclay CEA, Service de Chimie Bio-organique et de Marquage 91191 Gif-sur-Yvette France
| | - David‐Alexandre Buisson
- Université Paris-Saclay CEA, Service de Chimie Bio-organique et de Marquage 91191 Gif-sur-Yvette France
| | - Lee Kingston
- Early Chemical Development Pharmaceutical Sciences, R&D AstraZeneca Gothenburg Sweden
| | - Antonio Del Vecchio
- Université Paris-Saclay CEA, Service de Chimie Bio-organique et de Marquage 91191 Gif-sur-Yvette France
| | - Magnus Schou
- Karolinska Institutet 17176 Stockholm Sweden
- PET Science Centre, Precision Medicine, Oncology R&D AstraZeneca Karolinska Institutet 17176 Stockholm Sweden
| | - Charles S. Elmore
- Early Chemical Development Pharmaceutical Sciences, R&D AstraZeneca Gothenburg Sweden
| | - Frédéric Taran
- Université Paris-Saclay CEA, Service de Chimie Bio-organique et de Marquage 91191 Gif-sur-Yvette France
| | - Thibault Cantat
- Université Paris-Saclay CEA, CNRS NIMBE 91191 Gif-sur-Yvette France
| | - Davide Audisio
- Université Paris-Saclay CEA, Service de Chimie Bio-organique et de Marquage 91191 Gif-sur-Yvette France
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3
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Destro G, Horkka K, Loreau O, Buisson D, Kingston L, Del Vecchio A, Schou M, Elmore CS, Taran F, Cantat T, Audisio D. Transition-Metal-Free Carbon Isotope Exchange of Phenyl Acetic Acids. Angew Chem Int Ed Engl 2020; 59:13490-13495. [PMID: 32348625 PMCID: PMC7496475 DOI: 10.1002/anie.202002341] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 04/01/2020] [Indexed: 11/16/2022]
Abstract
A transition-metal-free carbon isotope exchange procedure on phenyl acetic acids is described. Utilizing the universal precursor CO2 , this protocol allows the carbon isotope to be inserted into the carboxylic acid position, with no need of precursor synthesis. This procedure enabled the labeling of 15 pharmaceuticals and was compatible with carbon isotopes [14 C] and [13 C]. A proof of concept with [11 C] was also obtained with low molar activity valuable for distribution studies.
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Affiliation(s)
- Gianluca Destro
- Université Paris-SaclayCEA, Service de Chimie Bio-organique et de Marquage91191Gif-sur-YvetteFrance
- Université Paris-SaclayCEA, CNRSNIMBE91191Gif-sur-YvetteFrance
| | | | - Olivier Loreau
- Université Paris-SaclayCEA, Service de Chimie Bio-organique et de Marquage91191Gif-sur-YvetteFrance
| | - David‐Alexandre Buisson
- Université Paris-SaclayCEA, Service de Chimie Bio-organique et de Marquage91191Gif-sur-YvetteFrance
| | - Lee Kingston
- Early Chemical DevelopmentPharmaceutical Sciences, R&DAstraZenecaGothenburgSweden
| | - Antonio Del Vecchio
- Université Paris-SaclayCEA, Service de Chimie Bio-organique et de Marquage91191Gif-sur-YvetteFrance
| | - Magnus Schou
- Karolinska Institutet17176StockholmSweden
- PET Science Centre, Precision Medicine, Oncology R&DAstraZenecaKarolinska Institutet17176StockholmSweden
| | - Charles S. Elmore
- Early Chemical DevelopmentPharmaceutical Sciences, R&DAstraZenecaGothenburgSweden
| | - Frédéric Taran
- Université Paris-SaclayCEA, Service de Chimie Bio-organique et de Marquage91191Gif-sur-YvetteFrance
| | - Thibault Cantat
- Université Paris-SaclayCEA, CNRSNIMBE91191Gif-sur-YvetteFrance
| | - Davide Audisio
- Université Paris-SaclayCEA, Service de Chimie Bio-organique et de Marquage91191Gif-sur-YvetteFrance
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4
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Deng X, Rong J, Wang L, Vasdev N, Zhang L, Josephson L, Liang SH. Chemistry for Positron Emission Tomography: Recent Advances in 11 C-, 18 F-, 13 N-, and 15 O-Labeling Reactions. Angew Chem Int Ed Engl 2019; 58:2580-2605. [PMID: 30054961 PMCID: PMC6405341 DOI: 10.1002/anie.201805501] [Citation(s) in RCA: 195] [Impact Index Per Article: 39.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2018] [Indexed: 01/07/2023]
Abstract
Positron emission tomography (PET) is a molecular imaging technology that provides quantitative information about function and metabolism in biological processes in vivo for disease diagnosis and therapy assessment. The broad application and rapid advances of PET has led to an increased demand for new radiochemical methods to synthesize highly specific molecules bearing positron-emitting radionuclides. This Review provides an overview of commonly used labeling reactions through examples of clinically relevant PET tracers and highlights the most recent developments and breakthroughs over the past decade, with a focus on 11 C, 18 F, 13 N, and 15 O.
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Affiliation(s)
- Xiaoyun Deng
- Division of Nuclear Medicine and Molecular Imaging, Massachusetts General Hospital & Department of Radiology, Harvard Medical School, Boston, MA, 02114, USA
| | - Jian Rong
- Division of Nuclear Medicine and Molecular Imaging, Massachusetts General Hospital & Department of Radiology, Harvard Medical School, Boston, MA, 02114, USA
| | - Lu Wang
- Division of Nuclear Medicine and Molecular Imaging, Massachusetts General Hospital & Department of Radiology, Harvard Medical School, Boston, MA, 02114, USA
| | - Neil Vasdev
- Division of Nuclear Medicine and Molecular Imaging, Massachusetts General Hospital & Department of Radiology, Harvard Medical School, Boston, MA, 02114, USA
| | - Lei Zhang
- Medicine Design, Pfizer Inc., Cambridge, MA, 02139, USA
| | - Lee Josephson
- Division of Nuclear Medicine and Molecular Imaging, Massachusetts General Hospital & Department of Radiology, Harvard Medical School, Boston, MA, 02114, USA
| | - Steven H Liang
- Division of Nuclear Medicine and Molecular Imaging, Massachusetts General Hospital & Department of Radiology, Harvard Medical School, Boston, MA, 02114, USA
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5
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Deng X, Rong J, Wang L, Vasdev N, Zhang L, Josephson L, Liang SH. Chemie der Positronenemissionstomographie: Aktuelle Fortschritte bei
11
C‐,
18
F‐,
13
N‐ und
15
O‐Markierungsreaktionen. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201805501] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Xiaoyun Deng
- Division of Nuclear Medicine and Molecular ImagingMassachusetts General Hospital & Department of RadiologyHarvard Medical School Boston MA 02114 USA
| | - Jian Rong
- Division of Nuclear Medicine and Molecular ImagingMassachusetts General Hospital & Department of RadiologyHarvard Medical School Boston MA 02114 USA
| | - Lu Wang
- Division of Nuclear Medicine and Molecular ImagingMassachusetts General Hospital & Department of RadiologyHarvard Medical School Boston MA 02114 USA
| | - Neil Vasdev
- Division of Nuclear Medicine and Molecular ImagingMassachusetts General Hospital & Department of RadiologyHarvard Medical School Boston MA 02114 USA
| | - Lei Zhang
- Medicine DesignPfizer Inc. Cambridge MA 02139 USA
| | - Lee Josephson
- Division of Nuclear Medicine and Molecular ImagingMassachusetts General Hospital & Department of RadiologyHarvard Medical School Boston MA 02114 USA
| | - Steven H. Liang
- Division of Nuclear Medicine and Molecular ImagingMassachusetts General Hospital & Department of RadiologyHarvard Medical School Boston MA 02114 USA
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6
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Monzittu FM, Khan I, Levason W, Luthra SK, McRobbie G, Reid G. Rapid Aqueous Late-Stage Radiolabelling of [GaF 3 (BnMe 2 -tacn)] by 18 F/ 19 F Isotopic Exchange: Towards New PET Imaging Probes. Angew Chem Int Ed Engl 2018; 57:6658-6661. [PMID: 29659110 PMCID: PMC6055623 DOI: 10.1002/anie.201802446] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2018] [Revised: 04/09/2018] [Indexed: 12/25/2022]
Abstract
A simple and rapid method for 18 F radiolabelling of [GaF3 (BnMe2 -tacn)] by 18 F/19 F isotopic exchange is described. The use of MeCN/H2 O or EtOH/H2 O (75:25) and aqueous [18 F]F- (up to 200 MBq) with heating (80 °C, 10 min) gave 66±4 % 18 F incorporation at a concentration of 268 nm, and 37±5 % 18 F incorporation at even lower concentration (27 nm), without the need for a Lewis acid promoter. A solid-phase extraction method was established to give [Ga18 F19 F2 (BnMe2 -tacn)] in 99 % radiochemical purity in an EtOH/H2 O mixture.
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Affiliation(s)
| | - Imtiaz Khan
- GE HealthcareThe Grove CentreWhite Lion RoadAmersham (UK)HP7 9LLUK
| | - William Levason
- School of ChemistryUniversity of SouthamptonSouthampton (UK)SO17 1BJUK
| | | | - Graeme McRobbie
- GE HealthcareThe Grove CentreWhite Lion RoadAmersham (UK)HP7 9LLUK
| | - Gillian Reid
- School of ChemistryUniversity of SouthamptonSouthampton (UK)SO17 1BJUK
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7
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Monzittu FM, Khan I, Levason W, Luthra SK, McRobbie G, Reid G. Rapid Aqueous Late‐Stage Radiolabelling of [GaF
3
(BnMe
2
‐tacn)] by
18
F/
19
F Isotopic Exchange: Towards New PET Imaging Probes. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201802446] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
| | - Imtiaz Khan
- GE HealthcareThe Grove Centre White Lion Road Amersham (UK) HP7 9LL UK
| | - William Levason
- School of ChemistryUniversity of Southampton Southampton (UK) SO17 1BJ UK
| | | | - Graeme McRobbie
- GE HealthcareThe Grove Centre White Lion Road Amersham (UK) HP7 9LL UK
| | - Gillian Reid
- School of ChemistryUniversity of Southampton Southampton (UK) SO17 1BJ UK
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8
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Krishnan HS, Ma L, Vasdev N, Liang SH. 18 F-Labeling of Sensitive Biomolecules for Positron Emission Tomography. Chemistry 2017; 23:15553-15577. [PMID: 28704575 PMCID: PMC5675832 DOI: 10.1002/chem.201701581] [Citation(s) in RCA: 68] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2017] [Indexed: 12/21/2022]
Abstract
Positron emission tomography (PET) imaging study of fluorine-18 labeled biomolecules is an emerging and rapidly growing area for preclinical and clinical research. The present review focuses on recent advances in radiochemical methods for incorporating fluorine-18 into biomolecules via "direct" or "indirect" bioconjugation. Recently developed prosthetic groups and pre-targeting strategies, as well as representative examples in 18 F-labeling of biomolecules in PET imaging research studies are highlighted.
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Affiliation(s)
- Hema S. Krishnan
- Nuclear Medicine and Molecular Imaging, Massachusetts General Hospital & Department of Radiology, Harvard Medical School, Boston, MA, 02114, USA
| | - Longle Ma
- Nuclear Medicine and Molecular Imaging, Massachusetts General Hospital & Department of Radiology, Harvard Medical School, Boston, MA, 02114, USA
| | - Neil Vasdev
- Nuclear Medicine and Molecular Imaging, Massachusetts General Hospital & Department of Radiology, Harvard Medical School, Boston, MA, 02114, USA
| | - Steven H. Liang
- Nuclear Medicine and Molecular Imaging, Massachusetts General Hospital & Department of Radiology, Harvard Medical School, Boston, MA, 02114, USA
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9
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Rugeri B, Audi H, Jewula P, Koudih R, Malacea-Kabbara R, Vimont D, Schulz J, Fernandez P, Jugé S. Designing Silylatedl-Amino Acids using a Wittig Strategy: Synthesis of Peptide Derivatives and18F-Labelling. European J Org Chem 2017. [DOI: 10.1002/ejoc.201701170] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Baptiste Rugeri
- Institut de Chimie Moléculaire de l'Université de Bourgogne-Franche-Comté; ICMUB-OCS (UMR CNRS 6302); 19 avenue A. Savary BP 47870 21078 Dijon CEDEX France
| | - Hassib Audi
- Institut de Chimie Moléculaire de l'Université de Bourgogne-Franche-Comté; ICMUB-OCS (UMR CNRS 6302); 19 avenue A. Savary BP 47870 21078 Dijon CEDEX France
| | - Pawel Jewula
- Institut de Chimie Moléculaire de l'Université de Bourgogne-Franche-Comté; ICMUB-OCS (UMR CNRS 6302); 19 avenue A. Savary BP 47870 21078 Dijon CEDEX France
| | - Radouane Koudih
- Institut de Chimie Moléculaire de l'Université de Bourgogne-Franche-Comté; ICMUB-OCS (UMR CNRS 6302); 19 avenue A. Savary BP 47870 21078 Dijon CEDEX France
| | - Raluca Malacea-Kabbara
- Institut de Chimie Moléculaire de l'Université de Bourgogne-Franche-Comté; ICMUB-OCS (UMR CNRS 6302); 19 avenue A. Savary BP 47870 21078 Dijon CEDEX France
| | - Delphine Vimont
- Department Institut des Neurosciences Cognitives et Intégratives d'Aquitaine (INCIA-UMR CNRS 5287); 146 rue Léo Saignat 33076 Bordeaux CEDEX France
| | - Jürgen Schulz
- Department Institut des Neurosciences Cognitives et Intégratives d'Aquitaine (INCIA-UMR CNRS 5287); 146 rue Léo Saignat 33076 Bordeaux CEDEX France
| | - Philippe Fernandez
- Department Institut des Neurosciences Cognitives et Intégratives d'Aquitaine (INCIA-UMR CNRS 5287); 146 rue Léo Saignat 33076 Bordeaux CEDEX France
| | - Sylvain Jugé
- Institut de Chimie Moléculaire de l'Université de Bourgogne-Franche-Comté; ICMUB-OCS (UMR CNRS 6302); 19 avenue A. Savary BP 47870 21078 Dijon CEDEX France
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10
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Haywood T, Kealey S, Sánchez-Cabezas S, Hall JJ, Allott L, Smith G, Plisson C, Miller PW. Carbon-11 radiolabelling of organosulfur compounds: (11) C synthesis of the progesterone receptor agonist tanaproget. Chemistry 2015; 21:9034-8. [PMID: 25965348 DOI: 10.1002/chem.201501089] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2015] [Indexed: 11/09/2022]
Abstract
Herein a new (11) C radiolabelling strategy for the fast and efficient synthesis of thioureas and related derivatives using the novel synthon, (11) CS2 , is reported. This approach has enabled the facile labelling of a potent progesterone receptor (PR) agonist, [(11) C]Tanaproget, by the intramolecular reaction of the acyclic aminohydroxyl precursor with (11) CS2 , which has potential applications as a positron emission tomography radioligand for cancer imaging.
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Affiliation(s)
- Tom Haywood
- Department of Chemistry, Imperial College London, South Kensington, London, SW7 2AZ (UK)
| | - Steven Kealey
- Department of Chemistry, Imperial College London, South Kensington, London, SW7 2AZ (UK)
| | | | - James J Hall
- Department of Chemistry, Imperial College London, South Kensington, London, SW7 2AZ (UK)
| | - Louis Allott
- Institute of Cancer Research, 123 Old Brompton Road, London, SW7 3RP (UK)
| | - Graham Smith
- Institute of Cancer Research, 123 Old Brompton Road, London, SW7 3RP (UK)
| | - Christophe Plisson
- Imanova Limited, Burlington Danes Building, Imperial College London, Hammersmith Hospital, Du Cane Road, London, W12 0NN (UK)
| | - Philip W Miller
- Department of Chemistry, Imperial College London, South Kensington, London, SW7 2AZ (UK).
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11
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Bhalla R, Levason W, Luthra SK, McRobbie G, Sanderson G, Reid G. Radiofluorination of a pre-formed gallium(III) aza-macrocyclic complex: towards next-generation positron emission tomography (PET) imaging agents. Chemistry 2015; 21:4688-94. [PMID: 25652736 PMCID: PMC4515101 DOI: 10.1002/chem.201405812] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2014] [Indexed: 12/04/2022]
Abstract
As part of a study to investigate the factors influencing the development of new, more effective metal-complex-based positron emission tomography (PET) imaging agents, the distorted octahedral complex, [GaCl(L)]⋅2 H2O has been prepared by reaction of 1-benzyl-1,4,7-triazacyclononane-4,7-dicarboxylic acid hydrochloride (H2L⋅HCl) with Ga(NO3)3⋅9 H2O, which is a convenient source of Ga(III) for reactions in water. Spectroscopic and crystallographic data for [GaCl(L)]⋅2 H2O are described, together with the crystal structure of [GaCl(L)]⋅MeCN. Fluorination of this complex by Cl(-)/F(-) exchange was achieved in high yield by treatment with KF in water at room temperature over 90 minutes, although the reaction was complete in approximately 30 minutes if heated to 80 °C, giving [GaF(L)]⋅2 H2O in good yield. The same complex was obtained by hydrothermal synthesis from GaF3⋅3 H2O and Li2L, and has been characterised by single-crystal X-ray analysis, IR, (1)H and (19)F{(1)H} NMR spectroscopy and ESI(+) MS. Radiofluorination of the pre-formed [GaCl(L)]⋅2 H2O has been demonstrated on a 210 nanomolar scale in aqueous NaOAc at pH 4 by using carrier-free (18)F(-), leading to 60-70% (18)F-incorporation after heating to 80 °C for 30 minutes. The resulting radioproduct was purified easily by using a solid-phase extraction (SPE) cartridge, leading to 98-99% radiochemical purity. The [Ga(18)F(L)] is stable for at least 90 minutes in 10% EtOH/NaOAc solution at pH 6, but defluorinates over this time scale at pH of approximately 7.5 in phosphate buffered saline (PBS) or human serum albumin (HSA). The subtle role of the Group 13 metal ion and co-ligand donor set in influencing the pH dependence of this system is discussed in the context of developing potential new imaging agents for PET.
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Affiliation(s)
- Rajiv Bhalla
- Centre for Advanced Imaging, University of Queensland BrisbaneQueensland 4072 (Australia)
| | - William Levason
- Chemistry Department, University of SouthamptonHighfield, Southampton, SO17 1BJ (UK)
| | | | | | - George Sanderson
- Chemistry Department, University of SouthamptonHighfield, Southampton, SO17 1BJ (UK)
| | - Gillian Reid
- Chemistry Department, University of SouthamptonHighfield, Southampton, SO17 1BJ (UK)
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12
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Liu Z, Pourghiasian M, Radtke MA, Lau J, Pan J, Dias GM, Yapp D, Lin KS, Bénard F, Perrin DM. An Organotrifluoroborate for Broadly Applicable One-Step18F-Labeling. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201406258] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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13
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Liu Z, Pourghiasian M, Radtke MA, Lau J, Pan J, Dias GM, Yapp D, Lin KS, Bénard F, Perrin DM. An organotrifluoroborate for broadly applicable one-step 18F-labeling. Angew Chem Int Ed Engl 2014; 53:11876-80. [PMID: 25196467 DOI: 10.1002/anie.201406258] [Citation(s) in RCA: 126] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2014] [Indexed: 11/12/2022]
Abstract
A new zwitterionic organotrifluoroborate is appended to three radiosynthons that afford undergo facile bioconjugation to several clinically relevant peptides and one enzyme inhibitor. Molecularly complex bioconjugates are (18)F-labeled in a single aqueous step in rapid time (<15 min) without HPLC purification to afford tracers in good yields (>200 mCi, 20-40%) at high specific activity (≥3 Ci/μmol) and at >98% purity. PET imaging shows in vivo stability and tumor uptake.
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Affiliation(s)
- Zhibo Liu
- Chemistry Department, University of British Columbia, 2036 Main Mall, Vancouver, BC, V6T-1Z1 (Canada)
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14
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Brizet B, Goncalves V, Bernhard C, Harvey PD, Denat F, Goze C. DMAP-BODIPY Alkynes: A Convenient Tool for Labeling Biomolecules for Bimodal PET-Optical Imaging. Chemistry 2014; 20:12933-44. [DOI: 10.1002/chem.201402379] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2014] [Indexed: 11/11/2022]
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15
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Thompson S, Zhang Q, Onega M, McMahon S, Fleming I, Ashworth S, Naismith JH, Passchier J, O'Hagan D. A Localized Tolerance in the Substrate Specificity of the Fluorinase Enzyme enables “Last-Step”18F Fluorination of a RGD Peptide under Ambient Aqueous Conditions. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201403345] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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16
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Thompson S, Zhang Q, Onega M, McMahon S, Fleming I, Ashworth S, Naismith JH, Passchier J, O'Hagan D. A localized tolerance in the substrate specificity of the fluorinase enzyme enables "last-step" 18F fluorination of a RGD peptide under ambient aqueous conditions. Angew Chem Int Ed Engl 2014; 53:8913-8. [PMID: 24989327 DOI: 10.1002/anie.201403345] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2014] [Indexed: 12/29/2022]
Abstract
A strategy for last-step (18)F fluorination of bioconjugated peptides is reported that exploits an "Achilles heel" in the substrate specificity of the fluorinase enzyme. An acetylene functionality at the C-2 position of the adenosine substrate projects from the active site into the solvent. The fluorinase catalyzes a transhalogenation of 5'-chlorodeoxy-2-ethynyladenosine (ClDEA) to 5'-fluorodeoxy-2-ethynyladenosine (FDEA). Extending a polyethylene glycol linker from the terminus of the acetylene allows the presentation of bioconjugation cargo to the enzyme for (18)F labelling. The method uses an aqueous solution (H2(18)O) of [(18)F]fluoride generated by the cyclotron and has the capacity to isotopically label peptides of choice for positron emission tomography (PET).
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Affiliation(s)
- Stephen Thompson
- School of Chemistry, University of St Andrews, North Haugh, St Andrews, KY16 9ST (UK)
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17
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Hazari PP, Schulz J, Vimont D, Chadha N, Allard M, Szlosek-Pinaud M, Fouquet E, Mishra AK. A new SiF-Dipropargyl glycerol scaffold as a versatile prosthetic group to design dimeric radioligands: synthesis of the [(18) F]BMPPSiF tracer to image serotonin receptors. ChemMedChem 2013; 9:337-49. [PMID: 24376058 DOI: 10.1002/cmdc.201300458] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2013] [Indexed: 11/12/2022]
Abstract
A novel SiX-dipropargyl glycerol scaffold (X: H, F, or (18) F) was developed as a versatile prosthetic group that provides technical advantages for the preparation of dimeric radioligands based on silicon fluoride acceptor pre- or post-labeling with fluorine-18. Rapid conjugation with the prosthetic group takes place in microwave-assisted click conjugation under mild conditions. Thus, a bivalent homodimeric SiX-dipropargyl glycerol derivatized radioligand, [(18) F]BMPPSiF, with enhanced affinity was developed by using click conjugation. High uptake of the radioligand was demonstrated in 5-HT1A receptor-rich regions in the brain with positron emission tomography. Molecular docking studies (rigid protein-flexible ligand) of BMPPSiF and known antagonists (WAY-100635, MPPF, and MefWAY) with monomeric, dimeric, and multimeric 5-HT1A receptor models were performed, with the highest G score obtained for docked BMPPSiF: -6.766 as compared with all three antagonists on the monomeric model. Multimeric induced-fit docking was also performed to visualize the comparable mode of binding under in vivo conditions, and a notably improved G score of -8.455 was observed for BMPPSiF. These data directly correlate the high binding potential of BMPPSiF with the bivalent binding mode obtained in the biological studies. The present study warrants wide application of the SiX-dipropargyl glycerol prosthetic group in the development of ligands for imaging with enhanced affinity markers for specific targeting based on peptides, nucleosides, and lipids.
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Affiliation(s)
- Puja Panwar Hazari
- Division of Cyclotron and Radiopharamceutical Sciences, Brig. SK Mazumdar Road, Delhi 110054 (India)
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Waghorn PA, Jones MW, McIntyre A, Innocenti A, Vullo D, Harris AL, Supuran CT, Dilworth JR. Targeting Carbonic Anhydrases with Fluorescent BODIPY-Labelled Sulfonamides. Eur J Inorg Chem 2012. [DOI: 10.1002/ejic.201101371] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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Amigues E, Schulz J, Szlosek-Pinaud M, Fernandez P, Silvente-Poirot S, Brillouet S, Courbon F, Fouquet E. [18F]Si-RiboRGD: From Design and Synthesis to the Imaging of αvβ3 Integrins in Melanoma Tumors. Chempluschem 2012. [DOI: 10.1002/cplu.201200022] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Iovkova L, Könning D, Wängler B, Schirrmacher R, Schoof S, Arndt HD, Jurkschat K. SiFA-Modified Phenylalanine: A Key Compound for the Efficient Synthesis of 18F-Labelled Peptides. Eur J Inorg Chem 2011. [DOI: 10.1002/ejic.201100142] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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Pretze M, Wuest F, Peppel T, Köckerling M, Mamat C. The traceless Staudinger ligation with fluorine-18: a novel and versatile labeling technique for the synthesis of PET-radiotracers. Tetrahedron Lett 2010. [DOI: 10.1016/j.tetlet.2010.09.134] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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22
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Rosa-Neto P, Wängler B, Iovkova L, Boening G, Reader A, Jurkschat K, Schirrmacher E. [18F]SiFA-isothiocyanate: a new highly effective radioactive labeling agent for lysine-containing proteins. Chembiochem 2009; 10:1321-4. [PMID: 19422010 DOI: 10.1002/cbic.200900132] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
A highly efficient (18)F-labeling synthon for universal protein labeling is reported. Diverse (18)F-labeled proteins of 66-144 kDa were prepared with [(18)F]SiFA-isothiocyanate synthesized by an isotopic (19)F for (18)F exchange at the silicon atom. Overall preparative radiochemical yields were 20-40 % after 40-50 min. No bone uptake of (18)F radioactivity was detected until 90 min post-injection of (18)F-SiFA-RSA; this demonstrates the metabolic stability of the [(18)F]SiFA moiety.
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Affiliation(s)
- Pedro Rosa-Neto
- Montreal Neurological Institute, McGill University, Douglas Research Institute, Montreal, H3A 2B4, Canada
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Iovkova L, Wängler B, Schirrmacher E, Schirrmacher R, Quandt G, Boening G, Schürmann M, Jurkschat K. para-Functionalized aryl-di-tert-butylfluorosilanes as potential labeling synthons for (18)F radiopharmaceuticals. Chemistry 2009; 15:2140-7. [PMID: 19156812 DOI: 10.1002/chem.200802266] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Broad spectrum: Novel para-functionalized aryl-di-tert-butylfluorosilanes, p-(tBu(2)FSi)C(6)H(4)X (X=functional group), have been made available and broaden the spectrum of silicon-based (18)F acceptors (SiFAs) for potential PET applications. For example, the [(18)F]maleimido derivative 1 has been employed for the synthesis of [(18)F]1- labeled rat serum albumin (RSA), the applicability of which for PET has been verified by in vivo experiments.The syntheses of the functionalized triorganofluorosilanes tBu(2)(p-XC(6)H(4))SiF (3 a, X=SH; 4 a, X=NCS; 4 b, X=NCO; 5, X=NC(4)H(2)O(2); 7, X=COOH; 8 a, X=COONC(4)H(4)O(2); 8 b, X=COOC(6)F(5)) are reported. These compounds display potential as silicon-based fluoride acceptors (SiFAs). The molecular structures of compounds 5, 7, and 8 a have been determined by single-crystal X-ray diffraction studies. With the exception of compounds 8 a and 8 b, all of the compounds could be (18)F-labeled by isotopic exchange in good to high radiochemical yields (RCY) with good to excellent specific activities. As proof of applicability, the maleimido-functionalized SiFA derivative 5, which is specific for thiol groups, has been used for the labeling of rat serum albumin (RSA) that had been derivatized with 2-iminothiolane. The incorporation of [(18)F]5 into the derivatized RSA reached a maximum yield after 30 min at ambient temperature. After purification, the [(18)F]RSA was evaluated in a healthy rat by means of muPET and displayed an expedient in vivo stability over 180 min.
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Affiliation(s)
- Ljuba Iovkova
- Lehrstuhl für Anorganische Chemie II, Technische Universität Dortmund, 44221 Dortmund, Germany
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Höhne A, Yu L, Mu L, Reiher M, Voigtmann U, Klar U, Graham K, Schubiger P, Ametamey S. Organofluorosilanes as Model Compounds for18F-Labeled Silicon-Based PET Tracers and their Hydrolytic Stability: Experimental Data and Theoretical Calculations (PET=Positron Emission Tomography). Chemistry 2009; 15:3736-43. [DOI: 10.1002/chem.200802437] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Miller P, Long N, Vilar R, Gee A. Synthese von11C-,18F-,15O- und13N-Radiotracern für die Positronenemissionstomographie. Angew Chem Int Ed Engl 2008. [DOI: 10.1002/ange.200800222] [Citation(s) in RCA: 143] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Miller P, Long N, Vilar R, Gee A. Synthesis of11C,18F,15O, and13N Radiolabels for Positron Emission Tomography. Angew Chem Int Ed Engl 2008; 47:8998-9033. [DOI: 10.1002/anie.200800222] [Citation(s) in RCA: 726] [Impact Index Per Article: 45.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Mu L, Höhne A, Schubiger PA, Ametamey SM, Graham K, Cyr JE, Dinkelborg L, Stellfeld T, Srinivasan A, Voigtmann U, Klar U. Silicon-based building blocks for one-step 18F-radiolabeling of peptides for PET imaging. Angew Chem Int Ed Engl 2008; 47:4922-5. [PMID: 18496798 DOI: 10.1002/anie.200705854] [Citation(s) in RCA: 94] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Linjing Mu
- Center for Radiopharmaceutical Science of ETH, PSI and USZ, ETH-Hönggerberg, D-CHAB IPW HCI H427, Wolfgang-Pauli-Strasse 10, 8093 Zurich, Switzerland
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Mu L, Höhne A, Schubiger P, Ametamey S, Graham K, Cyr J, Dinkelborg L, Stellfeld T, Srinivasan A, Voigtmann U, Klar U. Siliciumbausteine für eine einstufige18F-Radiomarkierung von Peptiden für die PET-Bildgebung. Angew Chem Int Ed Engl 2008. [DOI: 10.1002/ange.200705854] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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