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Chao MN, Chezal JM, Debiton E, Canitrot D, Witkowski T, Levesque S, Degoul F, Tarrit S, Wenzel B, Miot-Noirault E, Serre A, Maisonial-Besset A. A Convenient Route to New (Radio)Fluorinated and (Radio)Iodinated Cyclic Tyrosine Analogs. Pharmaceuticals (Basel) 2022; 15:ph15020162. [PMID: 35215275 PMCID: PMC8877694 DOI: 10.3390/ph15020162] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/24/2022] [Accepted: 01/25/2022] [Indexed: 02/04/2023] Open
Abstract
The use of radiolabeled non-natural amino acids can provide high contrast SPECT/PET metabolic imaging of solid tumors. Among them, radiohalogenated tyrosine analogs (i.e., [123I]IMT, [18F]FET, [18F]FDOPA, [123I]8-iodo-L-TIC(OH), etc.) are of particular interest. While radioiodinated derivatives, such as [123I]IMT, are easily available via electrophilic aromatic substitutions, the production of radiofluorinated aryl tyrosine analogs was a long-standing challenge for radiochemists before the development of innovative radiofluorination processes using arylboronate, arylstannane or iodoniums salts as precursors. Surprisingly, despite these methodological advances, no radiofluorinated analogs have been reported for [123I]8-iodo-L-TIC(OH), a very promising radiotracer for SPECT imaging of prostatic tumors. This work describes a convenient synthetic pathway to obtain new radioiodinated and radiofluorinated derivatives of TIC(OH), as well as their non-radiolabeled counterparts. Using organotin compounds as key intermediates, [125I]5-iodo-L-TIC(OH), [125I]6-iodo-L-TIC(OH) and [125I]8-iodo-L-TIC(OH) were efficiently prepared with good radiochemical yield (RCY, 51–78%), high radiochemical purity (RCP, >98%), molar activity (Am, >1.5–2.9 GBq/µmol) and enantiomeric excess (e.e. >99%). The corresponding [18F]fluoro-L-TIC(OH) derivatives were also successfully obtained by radiofluorination of the organotin precursors in the presence of tetrakis(pyridine)copper(II) triflate and nucleophilic [18F]F− with 19–28% RCY d.c., high RCP (>98.9%), Am (20–107 GBq/µmol) and e.e. (>99%).
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Affiliation(s)
- Maria Noelia Chao
- Inserm, Imagerie Moléculaire et Stratégies Théranostiques, UMR 1240, Université Clermont Auvergne, F-63000 Clermont-Ferrand, France; (M.N.C.); (J.-M.C.); (E.D.); (D.C.); (T.W.); (S.L.); (F.D.); (S.T.); (E.M.-N.); (A.S.)
| | - Jean-Michel Chezal
- Inserm, Imagerie Moléculaire et Stratégies Théranostiques, UMR 1240, Université Clermont Auvergne, F-63000 Clermont-Ferrand, France; (M.N.C.); (J.-M.C.); (E.D.); (D.C.); (T.W.); (S.L.); (F.D.); (S.T.); (E.M.-N.); (A.S.)
| | - Eric Debiton
- Inserm, Imagerie Moléculaire et Stratégies Théranostiques, UMR 1240, Université Clermont Auvergne, F-63000 Clermont-Ferrand, France; (M.N.C.); (J.-M.C.); (E.D.); (D.C.); (T.W.); (S.L.); (F.D.); (S.T.); (E.M.-N.); (A.S.)
| | - Damien Canitrot
- Inserm, Imagerie Moléculaire et Stratégies Théranostiques, UMR 1240, Université Clermont Auvergne, F-63000 Clermont-Ferrand, France; (M.N.C.); (J.-M.C.); (E.D.); (D.C.); (T.W.); (S.L.); (F.D.); (S.T.); (E.M.-N.); (A.S.)
| | - Tiffany Witkowski
- Inserm, Imagerie Moléculaire et Stratégies Théranostiques, UMR 1240, Université Clermont Auvergne, F-63000 Clermont-Ferrand, France; (M.N.C.); (J.-M.C.); (E.D.); (D.C.); (T.W.); (S.L.); (F.D.); (S.T.); (E.M.-N.); (A.S.)
| | - Sophie Levesque
- Inserm, Imagerie Moléculaire et Stratégies Théranostiques, UMR 1240, Université Clermont Auvergne, F-63000 Clermont-Ferrand, France; (M.N.C.); (J.-M.C.); (E.D.); (D.C.); (T.W.); (S.L.); (F.D.); (S.T.); (E.M.-N.); (A.S.)
- Department of Nuclear Medicine, Jean Perrin Comprehensive Cancer Centre, F-63000 Clermont-Ferrand, France
| | - Françoise Degoul
- Inserm, Imagerie Moléculaire et Stratégies Théranostiques, UMR 1240, Université Clermont Auvergne, F-63000 Clermont-Ferrand, France; (M.N.C.); (J.-M.C.); (E.D.); (D.C.); (T.W.); (S.L.); (F.D.); (S.T.); (E.M.-N.); (A.S.)
| | - Sébastien Tarrit
- Inserm, Imagerie Moléculaire et Stratégies Théranostiques, UMR 1240, Université Clermont Auvergne, F-63000 Clermont-Ferrand, France; (M.N.C.); (J.-M.C.); (E.D.); (D.C.); (T.W.); (S.L.); (F.D.); (S.T.); (E.M.-N.); (A.S.)
| | - Barbara Wenzel
- Helmholtz-Zentrum Dresden-Rossendorf, Research Site Leipzig, Institute of Radiopharmaceutical Cancer Research, 04318 Leipzig, Germany;
| | - Elisabeth Miot-Noirault
- Inserm, Imagerie Moléculaire et Stratégies Théranostiques, UMR 1240, Université Clermont Auvergne, F-63000 Clermont-Ferrand, France; (M.N.C.); (J.-M.C.); (E.D.); (D.C.); (T.W.); (S.L.); (F.D.); (S.T.); (E.M.-N.); (A.S.)
| | - Audrey Serre
- Inserm, Imagerie Moléculaire et Stratégies Théranostiques, UMR 1240, Université Clermont Auvergne, F-63000 Clermont-Ferrand, France; (M.N.C.); (J.-M.C.); (E.D.); (D.C.); (T.W.); (S.L.); (F.D.); (S.T.); (E.M.-N.); (A.S.)
| | - Aurélie Maisonial-Besset
- Inserm, Imagerie Moléculaire et Stratégies Théranostiques, UMR 1240, Université Clermont Auvergne, F-63000 Clermont-Ferrand, France; (M.N.C.); (J.-M.C.); (E.D.); (D.C.); (T.W.); (S.L.); (F.D.); (S.T.); (E.M.-N.); (A.S.)
- Correspondence:
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Morishita K, Shoji Y, Fukui M, Ito Y, Kitao T, Ozawa SI, Hirono S, Shirahase H. 2-Acyl-3-carboxyl-tetrahydroisoquinoline Derivatives: Mixed-Type PTP1B Inhibitors without PPARγ Activation. Chem Pharm Bull (Tokyo) 2018; 66:1131-1152. [DOI: 10.1248/cpb.c18-00571] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Ko Morishita
- Drug Discovery Research Department, Kyoto Pharmaceutical Industries, Ltd
| | - Yoshimichi Shoji
- Drug Discovery Research Department, Kyoto Pharmaceutical Industries, Ltd
| | - Masaki Fukui
- Drug Discovery Research Department, Kyoto Pharmaceutical Industries, Ltd
| | - Yuma Ito
- Drug Discovery Research Department, Kyoto Pharmaceutical Industries, Ltd
| | - Tatsuya Kitao
- Drug Discovery Research Department, Kyoto Pharmaceutical Industries, Ltd
| | | | | | - Hiroaki Shirahase
- Drug Discovery Research Department, Kyoto Pharmaceutical Industries, Ltd
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Kotha S, Deodhar D, Khedkar P. Diversity-oriented synthesis of medicinally important 1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid (Tic) derivatives and higher analogs. Org Biomol Chem 2015; 12:9054-91. [PMID: 25299735 DOI: 10.1039/c4ob01446d] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
1,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid (Tic) is a constrained analog of phenylalanine (Phe). The Tic unit has been identified as a core structural element present in several peptide-based drugs and forms an integral part of various biologically active compounds. This report covers the biological significance of the Tic core and provides a detailed account of various synthetic approaches available for the construction of Tic derivatives. Along with the traditional methods such as the Pictet-Spengler and Bischler-Nepieralski reactions, we cover various recent approaches such as enyne metathesis, [2 + 2 + 2] cycloaddition and the Diels-Alder reaction to generate Tic derivatives. In addition, syntheses of higher analogs of Tic are also discussed.
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Affiliation(s)
- Sambasivarao Kotha
- Department of Chemistry, Indian Institute of Technology-Bombay, Powai, Mumbai - 400 076, India.
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Huang LZ, Zhu HB. Novel LDL-oriented pharmacotherapeutical strategies. Pharmacol Res 2012; 65:402-10. [PMID: 22306845 DOI: 10.1016/j.phrs.2012.01.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2011] [Revised: 12/30/2011] [Accepted: 01/16/2012] [Indexed: 11/30/2022]
Abstract
Elevated levels of low-density cholesterol (LDL-C) are highly correlated with increased risk of cardiovascular diseases (CVD). Thus, current guidelines have recommended progressively lower LDL-C for cholesterol treatment and CVD prevention as the primary goal of therapy. Even so, some patients in the high risk category fail to achieve recommended LDL-C targets with currently available medications. Thereby, additional pharmaceutical strategies are urgently required. In the review, we aim to provide an overview of both current and emerging LDL-C lowering drugs. As for current available LDL-C lowering agents, attentions are mainly focused on statins, niacin, bile acid sequestrants, ezetimibe, fibrates and omega-3 fatty acids. On the other hand, the emerging drugs differ from mechanisms are including: intervention of cholesterol biosynthesis downstream enzyme (squalene synthase inhibitors), inhibition of lipoprotein assembly (antisense mRNA inhibitors of apolipoprotein B and microsomal transfer protein inhibitors), enhanced lipoprotein clearance (proprotein convertase subtilisin kexin type 9, thyroid hormone analogues), inhibition of intestinal cholesterol absorption (Niemann-Pick C1-like 1 protein and acyl coenzyme A:cholesterol acyltransferase inhibitors) and interrupting enterohepatic circulation (apical sodium-dependent bile acid transporter inhibitors). Several ongoing agents are in their different stages of clinical trials, in expectation of promising antihyperlipidemic drugs. Therefore, alternative drugs monotherapy or in combination with statins will be sufficient to reduce LDL-C concentrations to optimal levels, and a new era for better LDL-C managements is plausible.
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Affiliation(s)
- Lin-Zhang Huang
- State Key Laboratory for Bioactive Substances and Functions of Natural Medicines & Ministry of Health, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanwei Road A2, Beijing 100050, PR China
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