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Shi S, Zhang L, Wu Z, Zhang A, Hong H, Choi SR, Zhu L, Kung HF. [ 68Ga]Ga-HBED-CC-DiAsp: A new renal function imaging agent. Nucl Med Biol 2019; 82-83:17-24. [PMID: 31869735 DOI: 10.1016/j.nucmedbio.2019.12.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 12/05/2019] [Accepted: 12/15/2019] [Indexed: 12/20/2022]
Abstract
INTRODUCTION [68Ga]Ga-EDTA ([68Ga]Ga-ethylenediaminetetraacetic acid) was previously reported as a renal imaging agent for measuring GFR (glomerular filtration rate). In an effort to provide new agents with better in vivo characteristics for renal imaging, [68Ga]Ga-HBED-CC-DiAsp (Di-Aspartic acid derivative of N,N'-bis [2-hydroxy-5-(carboxyethyl)benzyl]-ethylenediamine-N,N'-diacetic acid) was prepared and tested. METHOD HBED-CC-DiAsp was synthesized and labeled with [68Ga]GaCl4- at room temperature. Plasma protein and red blood cells (RBC) binding were also evaluated. Biodistribution and dynamic PET imaging studies were performed in mice and rats, respectively. RESULTS [68Ga]Ga-HBED-CC-DiAsp was radiolabeled at room temperature by a one-step kit formulation in high purity without any purification (radiochemical purity >98%). Previous reports suggested that Ga-HBED-CC exhibited a higher stability constant and rapid chelating formation rate than that of Ga-EDTA (logKGaL = 38.5 vs 22.1, respectively). In vitro stability studies indicated that it was stable up to 120 min. The log DOW value, partition coefficient between n-octanol and water, was found to be -2.52 ± 0.08. Plasma protein and RBC binding was similar to that observed for [68Ga]Ga-EDTA. Biodistribution and dynamic PET/CT imaging studies in rats revealed a rapid clearance primarily through the renal-urinary pathway. The PET-derived [68Ga]Ga-HBED-CC-DiAsp renograms in rats showed an average time-to-peak of 3.6 ± 0.7 min which was similar to that observed for [68Ga]Ga-EDTA (3.1 ± 0.5 min). The time-to-half-maximal activity was also comparable to that of [68Ga]Ga-EDTA (8.8 vs 8.2 min, respectively). Pretreatment of probenecid, a renal tubular excretion inhibitor, showed no significant effect on renal excretion. CONCLUSIONS [68Ga]Ga-HBED-CC-DiAsp could be prepared quickly at room temperature in high yield and purity. Results of in vitro studies and in vivo biodistribution in mice and rats suggested that [68Ga]Ga-HBED-CC-DiAsp might be useful as a PET imaging agent for measurement of GFR.
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Affiliation(s)
- Shengyu Shi
- Key Laboratory of Radiopharmaceuticals, College of Chemistry, Beijing Normal University, Ministry of Education, Beijing 100875, China
| | - Lifang Zhang
- Key Laboratory of Radiopharmaceuticals, College of Chemistry, Beijing Normal University, Ministry of Education, Beijing 100875, China
| | - Zehui Wu
- Beijing Institute for Brain Disorders, Capital Medical University, Beijing 100069, China; Department of Radiology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Aili Zhang
- Key Laboratory of Radiopharmaceuticals, College of Chemistry, Beijing Normal University, Ministry of Education, Beijing 100875, China
| | - Haiyan Hong
- Key Laboratory of Radiopharmaceuticals, College of Chemistry, Beijing Normal University, Ministry of Education, Beijing 100875, China
| | - Seok Rye Choi
- Department of Radiology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Lin Zhu
- Key Laboratory of Radiopharmaceuticals, College of Chemistry, Beijing Normal University, Ministry of Education, Beijing 100875, China; Beijing Institute for Brain Disorders, Capital Medical University, Beijing 100069, China.
| | - Hank F Kung
- Beijing Institute for Brain Disorders, Capital Medical University, Beijing 100069, China; Department of Radiology, University of Pennsylvania, Philadelphia, PA 19104, USA.
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2
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Mardani Z, Moeini K, Darroudi M, Carpenter-Warren C, Slawin AMZ, Woollins JD. Macrocyclic copper(II) complexes containing diazacyclam-based ligand: spectral, structural and docking studies. J COORD CHEM 2019. [DOI: 10.1080/00958972.2019.1684477] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Zahra Mardani
- Inorganic Chemistry Department, Faculty of Chemistry, Urmia University, Urmia, Islamic Republic of Iran
| | - Keyvan Moeini
- Chemistry Department, Payame Noor University, Tehran, Islamic Republic of Iran
| | - Majid Darroudi
- Nuclear Medicine Research Center, Mashhad University of Medical Sciences, Mashhad, Islamic Republic of Iran
| | | | | | - J. Derek Woollins
- EaStCHEM School of Chemistry, University of St Andrews, St Andrews, Fife, UK
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3
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Dannecker PK, Sehlinger A, Meier MAR. Polymacrocycles Derived via Ugi Multi-Component Reactions. Macromol Rapid Commun 2018; 40:e1800748. [PMID: 30457196 DOI: 10.1002/marc.201800748] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Revised: 11/08/2018] [Indexed: 12/26/2022]
Abstract
The synthesis of macrocycles based on the Ugi-4CR has been thoroughly explored by Wessjohann and coworkers, while polymerizations utilizing the Ugi-4CR are already patented by Ugi and recently studied more in detail, developing a new trend in polymer chemistry. Here, the combination of both, that is, the synthesis of polymacrocycles, is demonstrated. As diverse functional groups can be easily introduced in a macrocycle via Ugi-4CR, a straightforward design of polymacrocycles is achieved in a two-step procedure. First, the Ugi-4CR of 10-undecenoic acid, a diamine, a diisocyanide, and an aldehyde results in diversely substituted macrocycles having two terminal double bonds. Subsequently, these macrocycles are polymerized by ADMET (acyclic diene metathesis) or thiol-ene polymerization to generate polymacrocycles with potential application in coordination chemistry as, for example, sensors, filters, or phase-transfer catalysts. Moreover, the setup of the literature-known Ugi macrocyclization is simplified by systematic reaction screening.
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Affiliation(s)
| | - Ansgar Sehlinger
- Karlsruhe Institute of Technology, Straße am Forum 7, 76131, Karlsruhe, Germany
| | - Michael A R Meier
- Karlsruhe Institute of Technology, Straße am Forum 7, 76131, Karlsruhe, Germany
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4
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Antal P, Drahoš B, Herchel R, Trávníček Z. Structure and Magnetism of Seven‐Coordinate Fe
III
, Fe
II
, Co
II
and Ni
II
Complexes Containing a Heptadentate 15‐Membered Pyridine‐Based Macrocyclic Ligand. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201800769] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Peter Antal
- Division of Biologically Active Complexes and Molecular Magnets Regional Centre of Advanced Technologies and Materials Faculty of Science Palacký University Šlechtitelů 27 78371 Olomouc, Czech Republic
| | - Bohuslav Drahoš
- Division of Biologically Active Complexes and Molecular Magnets Regional Centre of Advanced Technologies and Materials Faculty of Science Palacký University Šlechtitelů 27 78371 Olomouc, Czech Republic
| | - Radovan Herchel
- Division of Biologically Active Complexes and Molecular Magnets Regional Centre of Advanced Technologies and Materials Faculty of Science Palacký University Šlechtitelů 27 78371 Olomouc, Czech Republic
| | - Zdeněk Trávníček
- Division of Biologically Active Complexes and Molecular Magnets Regional Centre of Advanced Technologies and Materials Faculty of Science Palacký University Šlechtitelů 27 78371 Olomouc, Czech Republic
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5
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Tseberlidis G, Caselli A, Vicente R. Carbene X H bond insertions catalyzed by copper(I) macrocyclic pyridine-containing ligand (PcL) complexes. J Organomet Chem 2017. [DOI: 10.1016/j.jorganchem.2017.02.027] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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6
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Zaretsky S, Rai V, Gish G, Forbes MW, Kofler M, Yu JCY, Tan J, Hickey JL, Pawson T, Yudin AK. Twisted amide electrophiles enable cyclic peptide sequencing. Org Biomol Chem 2016; 13:7384-8. [PMID: 26077966 DOI: 10.1039/c5ob01050k] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
There is an ever-increasing interest in synthetic methods that not only enable peptide macrocyclization, but also facilitate downstream application of the synthesized molecules. We have found that aziridine amides are stereoelectronically attenuated in a macrocyclic environment such that non-specific interactions with biological nucleophiles are reduced or even shut down. The electrophilic reactivity, revealed at high pH, enables peptide sequencing by mass spectrometry, which will further broaden the utility of aziridine amide-containing libraries of macrocycles.
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Affiliation(s)
- Serge Zaretsky
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George St., Toronto, ON M5S 3H6, Canada.
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7
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A Practical Route for the Preparation of 1,4,7-Triazacyclononanyl Diacetates with a Hydroxypyridinonate Pendant Arm. Molecules 2015; 20:19393-405. [PMID: 26512638 PMCID: PMC6332087 DOI: 10.3390/molecules201019393] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Revised: 10/16/2015] [Accepted: 10/16/2015] [Indexed: 12/31/2022] Open
Abstract
The preparation of triazamacrocyclic hydroxypyridinonate (HOPO-TACN) derivatives as potential chelators for metals in biomedical applications was reported. The synthesis is based on a convergent synthetic approach, in which the key intermediate di-tert-butyl-2,2′-(1,4,7-triazonane-1,4-diyl) diacetate was coupled with a hydroxypyridinonate pendant arm. The method is suitable for rapid syntheses of metal chelator HOPO-TACNs of biomedical interest.
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8
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Pedrazzini T, Pirovano P, Dell'Acqua M, Ragaini F, Illiano P, Macchi P, Abbiati G, Caselli A. Organometallic Reactivity of [Silver(I)(Pyridine‐Containing Ligand)] Complexes Relevant to Catalysis. Eur J Inorg Chem 2015. [DOI: 10.1002/ejic.201500771] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Tommaso Pedrazzini
- Università degli Studi di Milano and ISTM‐CNR, Via Golgi 19, 20133 Milano, Italy, http://users.unimi.it/acaselli/
| | - Paolo Pirovano
- Università degli Studi di Milano and ISTM‐CNR, Via Golgi 19, 20133 Milano, Italy, http://users.unimi.it/acaselli/
| | - Monica Dell'Acqua
- Dipartimento di Scienze Farmaceutiche, Sezione di Chimica Generale e Organica “A. Marchesini”, Università degli Studi di Milano, Via Venezian 21, 20133 Milano, Italy http://users.unimi.it/istchimorg/giorgio.htm
| | - Fabio Ragaini
- Università degli Studi di Milano and ISTM‐CNR, Via Golgi 19, 20133 Milano, Italy, http://users.unimi.it/acaselli/
| | - Pasquale Illiano
- Università degli Studi di Milano and ISTM‐CNR, Via Golgi 19, 20133 Milano, Italy, http://users.unimi.it/acaselli/
| | - Piero Macchi
- Department of Chemistry & Biochemistry, University of Bern, Freiestrasse 3, 3012 Bern, Switzerland
| | - Giorgio Abbiati
- Dipartimento di Scienze Farmaceutiche, Sezione di Chimica Generale e Organica “A. Marchesini”, Università degli Studi di Milano, Via Venezian 21, 20133 Milano, Italy http://users.unimi.it/istchimorg/giorgio.htm
| | - Alessandro Caselli
- Università degli Studi di Milano and ISTM‐CNR, Via Golgi 19, 20133 Milano, Italy, http://users.unimi.it/acaselli/
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9
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Burke BP, Baghdadi N, Kownacka AE, Nigam S, Clemente GS, Al-Yassiry MM, Domarkas J, Lorch M, Pickles M, Gibbs P, Tripier R, Cawthorne C, Archibald SJ. Chelator free gallium-68 radiolabelling of silica coated iron oxide nanorods via surface interactions. NANOSCALE 2015; 7:14889-14896. [PMID: 26292197 DOI: 10.1039/c5nr02753e] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
The commercial availability of combined magnetic resonance imaging (MRI)/positron emission tomography (PET) scanners for clinical use has increased demand for easily prepared agents which offer signal or contrast in both modalities. Herein we describe a new class of silica coated iron-oxide nanorods (NRs) coated with polyethylene glycol (PEG) and/or a tetraazamacrocyclic chelator (DO3A). Studies of the coated NRs validate their composition and confirm their properties as in vivo T2 MRI contrast agents. Radiolabelling studies with the positron emitting radioisotope gallium-68 (t1/2 = 68 min) demonstrate that, in the presence of the silica coating, the macrocyclic chelator was not required for preparation of highly stable radiometal-NR constructs. In vivo PET-CT and MR imaging studies show the expected high liver uptake of gallium-68 radiolabelled nanorods with no significant release of gallium-68 metal ions, validating our innovation to provide a novel simple method for labelling of iron oxide NRs with a radiometal in the absence of a chelating unit that can be used for high sensitivity liver imaging.
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Affiliation(s)
- Benjamin P Burke
- Department of Chemistry, University of Hull, Cottingham Road, Hull, HU6 7RX, UK.
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10
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Dale AV, An GI, Pandya DN, Ha YS, Bhatt N, Soni N, Lee H, Ahn H, Sarkar S, Lee W, Huynh PT, Kim JY, Gwon MR, Kim SH, Park JG, Yoon YR, Yoo J. Synthesis and Evaluation of New Generation Cross-Bridged Bifunctional Chelator for 64Cu Radiotracers. Inorg Chem 2015; 54:8177-86. [DOI: 10.1021/acs.inorgchem.5b01386] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ajit V. Dale
- Department of Molecular Medicine, BK21 Plus KNU Biomedical
Convergence Program, Kyungpook National University, Daegu 700-422, South Korea
| | - Gwang Il An
- Molecular
Imaging Research Center, Korea Institute of Radiological and Medical Sciences, Seoul 139-706, South Korea
| | - Darpan N. Pandya
- Department of Molecular Medicine, BK21 Plus KNU Biomedical
Convergence Program, Kyungpook National University, Daegu 700-422, South Korea
| | - Yeong Su Ha
- Department of Molecular Medicine, BK21 Plus KNU Biomedical
Convergence Program, Kyungpook National University, Daegu 700-422, South Korea
| | - Nikunj Bhatt
- Department of Molecular Medicine, BK21 Plus KNU Biomedical
Convergence Program, Kyungpook National University, Daegu 700-422, South Korea
| | - Nisarg Soni
- Department of Molecular Medicine, BK21 Plus KNU Biomedical
Convergence Program, Kyungpook National University, Daegu 700-422, South Korea
| | - Hochun Lee
- Department of Energy Systems Engineering, Daegu Gyeongbuk Institute of Science & Technology, Daegu 711-873, South Korea
| | - Heesu Ahn
- Department of Molecular Medicine, BK21 Plus KNU Biomedical
Convergence Program, Kyungpook National University, Daegu 700-422, South Korea
| | - Swarbhanu Sarkar
- Department of Molecular Medicine, BK21 Plus KNU Biomedical
Convergence Program, Kyungpook National University, Daegu 700-422, South Korea
| | - Woonghee Lee
- Department of Molecular Medicine, BK21 Plus KNU Biomedical
Convergence Program, Kyungpook National University, Daegu 700-422, South Korea
| | - Phuong Tu Huynh
- Department of Molecular Medicine, BK21 Plus KNU Biomedical
Convergence Program, Kyungpook National University, Daegu 700-422, South Korea
| | - Jung Young Kim
- Molecular
Imaging Research Center, Korea Institute of Radiological and Medical Sciences, Seoul 139-706, South Korea
| | - Mi-Ri Gwon
- Department
of Biomedical Science and Clinical Trial Center, BK21 PLUS, KNU Bio-Medical
Convergence Program, Kyungpook National University Graduate School and Hospital, Daegu 700-422, South Korea
| | - Sung Hong Kim
- Analysis Research Division, Daegu Center, Korea Basic Science Institute, Daegu 702-701, South Korea
| | - Jae Gyu Park
- Pohang Center for Evaluation of Biomaterials, Pohang Technopark Foundation, Gyeongbuk 790-834, South Korea
| | - Young-Ran Yoon
- Department
of Biomedical Science and Clinical Trial Center, BK21 PLUS, KNU Bio-Medical
Convergence Program, Kyungpook National University Graduate School and Hospital, Daegu 700-422, South Korea
| | - Jeongsoo Yoo
- Department of Molecular Medicine, BK21 Plus KNU Biomedical
Convergence Program, Kyungpook National University, Daegu 700-422, South Korea
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11
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Burke BP, Baghdadi N, Clemente GS, Camus N, Guillou A, Kownacka AE, Domarkas J, Halime Z, Tripier R, Archibald SJ. Final step gallium-68 radiolabelling of silica-coated iron oxide nanorods as potential PET/MR multimodal imaging agents. Faraday Discuss 2015; 175:59-71. [PMID: 25325197 DOI: 10.1039/c4fd00137k] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The investigation of iron oxide-based positron emission tomography/magnetic resonance (PET/MR) multimodal imaging agents is an expanding field in which a variety of nanoparticle sizes, shapes, surface coatings and radioisotopes are open for exploration. This study develops iron oxide nanorods which are coated with various mixtures of poly(ethylene glycol) (PEG) and macrocyclic ligand (DO3A) via the formation of a silica layer on the surface. Gallium-68 radiolabelling of the nanorods was carried out in high radiochemical yields (RCY) and their stability in human serum was demonstrated for all constructs, even in the absence of the macrocyclic chelating unit. Further studies were carried out in an attempt to determine the appropriate amount of PEG coating to give optimal properties for future in vivo studies.
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Affiliation(s)
- Benjamin P Burke
- Department of Chemistry, University of Hull, Cottingham Road, Hull, HU6 7RX, UK.
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12
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Das RK, Barnea E, Andrea T, Kapon M, Fridman N, Botoshansky M, Eisen MS. Group 4 Lanthanide and Actinide Organometallic Inclusion Complexes. Organometallics 2015. [DOI: 10.1021/om501103v] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Raj K. Das
- Schulich Faculty of Chemistry
and Institute of Catalysis Science and Technology, Technion-Israel Institute of Technology, Haifa 32000, Israel
| | - Eyal Barnea
- Schulich Faculty of Chemistry
and Institute of Catalysis Science and Technology, Technion-Israel Institute of Technology, Haifa 32000, Israel
| | - Tamer Andrea
- Schulich Faculty of Chemistry
and Institute of Catalysis Science and Technology, Technion-Israel Institute of Technology, Haifa 32000, Israel
| | - Moshe Kapon
- Schulich Faculty of Chemistry
and Institute of Catalysis Science and Technology, Technion-Israel Institute of Technology, Haifa 32000, Israel
| | - Natalia Fridman
- Schulich Faculty of Chemistry
and Institute of Catalysis Science and Technology, Technion-Israel Institute of Technology, Haifa 32000, Israel
| | - Mark Botoshansky
- Schulich Faculty of Chemistry
and Institute of Catalysis Science and Technology, Technion-Israel Institute of Technology, Haifa 32000, Israel
| | - Moris S. Eisen
- Schulich Faculty of Chemistry
and Institute of Catalysis Science and Technology, Technion-Israel Institute of Technology, Haifa 32000, Israel
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