1
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Park S, Kim JH, Kim D, Kim Y, Kim S, Kim S. Simple and Efficient Enantioselective α-Deuteration Method of α-Amino Acids without External Chiral Sources. JACS AU 2024; 4:2246-2251. [PMID: 38938805 PMCID: PMC11200243 DOI: 10.1021/jacsau.4c00185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 05/09/2024] [Accepted: 05/09/2024] [Indexed: 06/29/2024]
Abstract
Deuterium-labeled α-amino acids are useful in research related to drug discovery and biomedical science. However, a high degree of site selectivity and stereoselectivity in the deuterium incorporation process is still difficult to achieve. Herein, we report a new enantioselective deuteration method at the α-position of several amino acids without external chiral sources. The proposed deuteration methods (NaOEt and EtOD) are highly selective and simple. Additionally, we provide a mechanistic study for this enantioretentive deuteration.
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Affiliation(s)
- Soojun Park
- College
of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Jae Hyun Kim
- College
of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
- College
of Pharmacy, Chung-Ang University, 84, Heukseok-ro, Seoul 06974, Republic of Korea
| | - Dongjun Kim
- College
of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Yeonjoon Kim
- Chemistry
Department, Colorado State University, Fort Collins, Colorado 80523, United States
- Department
of Chemistry, Pukyong National University, Busan 48513, Republic of Korea
| | - Seonah Kim
- Chemistry
Department, Colorado State University, Fort Collins, Colorado 80523, United States
| | - Sanghee Kim
- College
of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
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2
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Rowbotham JS, Nicholson JH, Ramirez MA, Urata K, Todd PMT, Karunanithy G, Lauterbach L, Reeve HA, Baldwin AJ, Vincent KA. Biocatalytic reductive amination as a route to isotopically labelled amino acids suitable for analysis of large proteins by NMR. Chem Sci 2023; 14:12160-12165. [PMID: 37969586 PMCID: PMC10631221 DOI: 10.1039/d3sc01718d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 09/20/2023] [Indexed: 11/17/2023] Open
Abstract
We demonstrate an atom-efficient and easy to use H2-driven biocatalytic platform for the enantioselective incorporation of 2H-atoms into amino acids. By combining the biocatalytic deuteration catalyst with amino acid dehydrogenase enzymes capable of reductive amination, we synthesised a library of multiply isotopically labelled amino acids from low-cost isotopic precursors, such as 2H2O and 15NH4+. The chosen approach avoids the use of pre-labeled 2H-reducing agents, and therefore vastly simplifies product cleanup. Notably, this strategy enables 2H, 15N, and an asymmetric centre to be introduced at a molecular site in a single step, with full selectivity, under benign conditions, and with near 100% atom economy. The method facilitates the preparation of amino acid isotopologues on a half-gram scale. These amino acids have wide applicability in the analytical life sciences, and in particular for NMR spectroscopic analysis of proteins. To demonstrate the benefits of the approach for enabling the workflow of protein NMR chemists, we prepared l-[α-2H,15N, β-13C]-alanine and integrated it into a large (>400 kDa) heat-shock protein oligomer, which was subsequently analysable by methyl-TROSY techniques, revealing new structural information.
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Affiliation(s)
- Jack S Rowbotham
- Department of Chemistry, University of Oxford, Inorganic Chemistry Laboratory South Parks Road Oxford UK
| | - Jake H Nicholson
- Department of Chemistry, University of Oxford, Inorganic Chemistry Laboratory South Parks Road Oxford UK
| | - Miguel A Ramirez
- Department of Chemistry, University of Oxford, Inorganic Chemistry Laboratory South Parks Road Oxford UK
| | - Kouji Urata
- Department of Chemistry, University of Oxford, Inorganic Chemistry Laboratory South Parks Road Oxford UK
| | - Peter M T Todd
- Department of Chemistry, University of Oxford, Inorganic Chemistry Laboratory South Parks Road Oxford UK
| | - Gogulan Karunanithy
- Department of Chemistry, University of Oxford, Physical and Theoretical Chemistry Laboratory Oxford UK
| | - Lars Lauterbach
- Technische Universität Berlin, Institute for Chemistry Straße des 17. Juni 135 10437 Berlin Germany
| | - Holly A Reeve
- Department of Chemistry, University of Oxford, Inorganic Chemistry Laboratory South Parks Road Oxford UK
| | - Andrew J Baldwin
- Department of Chemistry, University of Oxford, Physical and Theoretical Chemistry Laboratory Oxford UK
- Kavli Institute for Nanoscience Discovery, University of Oxford Oxford OX1 3QU UK
| | - Kylie A Vincent
- Department of Chemistry, University of Oxford, Inorganic Chemistry Laboratory South Parks Road Oxford UK
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3
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Martinez-Espinar F, Salom-Català A, Bresó-Femenia E, Claver C, Baletto F, Ricart JM, Chaudret B, Carbó JJ, Godard C, Castillon S. Bringing Selectivity in H/D Exchange Reactions Catalyzed by Metal Nanoparticles through Modulation of the Metal and the Ligand Shell. Inorg Chem 2023; 62:4570-4580. [PMID: 36893373 PMCID: PMC10031563 DOI: 10.1021/acs.inorgchem.2c04442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/11/2023]
Abstract
Ru and Rh nanoparticles catalyze the selective H/D exchange in phosphines using D2 as the deuterium source. The position of the deuterium incorporation is determined by the structure of the P-based substrates, while activity depends on the nature of the metal, the properties of the stabilizing agents, and the type of the substituent on phosphorus. The appropriate catalyst can thus be selected either for the exclusive H/D exchange in aromatic rings or also for alkyl substituents. The selectivity observed in each case provides relevant information on the coordination mode of the ligand. Density functional theory calculations provide insights into the H/D exchange mechanism and reveal a strong influence of the phosphine structure on the selectivity. The isotope exchange proceeds via C-H bond activation at nanoparticle edges. Phosphines with strong coordination through the phosphorus atom such as PPh3 or PPh2Me show preferred deuteration at ortho positions of aromatic rings and at the methyl substituents. This selectivity is observed because the corresponding C-H moieties can interact with the nanoparticle surface while the phosphine is P-coordinated, and the C-H activation results in stable metallacyclic intermediates. For weakly coordinating phosphines such as P(o-tolyl)3, the interaction with the nanoparticle can occur directly through phosphine substituents, and then, other deuteration patterns are observed.
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Affiliation(s)
- Francisco Martinez-Espinar
- Departament de Química Física i Inorgànica, Universitat Rovira i Virgili, C/ Marcel·lí Domingo s/n, 43007 Tarragona, Spain
- Laboratoire de Physique et Chimie des Nano Objets, LPCNO, UMR5215 INSA-UPS-CNRS, Université de Toulouse, Institut National des Sciences Appliquées, 135 Avenue de Rangueil, 31077 Toulouse, France
| | - Antoni Salom-Català
- Departament de Química Física i Inorgànica, Universitat Rovira i Virgili, C/ Marcel·lí Domingo s/n, 43007 Tarragona, Spain
| | - Emma Bresó-Femenia
- Laboratoire de Physique et Chimie des Nano Objets, LPCNO, UMR5215 INSA-UPS-CNRS, Université de Toulouse, Institut National des Sciences Appliquées, 135 Avenue de Rangueil, 31077 Toulouse, France
- Departament de Química Analítica i Orgànica, Universitat Rovira i Virgili, C/ Marcel·lí Domingo s/n, 43007 Tarragona, Spain
| | - Carmen Claver
- Departament de Química Física i Inorgànica, Universitat Rovira i Virgili, C/ Marcel·lí Domingo s/n, 43007 Tarragona, Spain
| | - Francesca Baletto
- Department of Physics, King's College London, London, Strand Building, Strand WC2R 2LS, United Kingdom
| | - Josep M Ricart
- Departament de Química Física i Inorgànica, Universitat Rovira i Virgili, C/ Marcel·lí Domingo s/n, 43007 Tarragona, Spain
| | - Bruno Chaudret
- Laboratoire de Physique et Chimie des Nano Objets, LPCNO, UMR5215 INSA-UPS-CNRS, Université de Toulouse, Institut National des Sciences Appliquées, 135 Avenue de Rangueil, 31077 Toulouse, France
| | - Jorge J Carbó
- Departament de Química Física i Inorgànica, Universitat Rovira i Virgili, C/ Marcel·lí Domingo s/n, 43007 Tarragona, Spain
| | - Cyril Godard
- Departament de Química Física i Inorgànica, Universitat Rovira i Virgili, C/ Marcel·lí Domingo s/n, 43007 Tarragona, Spain
| | - Sergio Castillon
- Departament de Química Analítica i Orgànica, Universitat Rovira i Virgili, C/ Marcel·lí Domingo s/n, 43007 Tarragona, Spain
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4
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Sheng FF, Gu JG, Liu KH, Zhang HH. Synthesis of β-Deuterated Amino Acids via Palladium-Catalyzed H/D Exchange. J Org Chem 2022; 87:16084-16089. [PMID: 36395460 DOI: 10.1021/acs.joc.2c01654] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Despite several synthetic approaches that have been developed for α-deuterated amino acids, the synthesis of β-deuterated amino acids has remained a challenge. Herein, we disclose a palladium catalyzed H/D exchange protocol for a β-deuterated N-protected amino amide, which can be converted to a β-deuterated amino acid simply by removal of protecting groups. This protocol is highly efficient, simply manipulated, and appliable for deuterium-labeling of many amino amides. In addition, deuterium labeling of phenylalanine derivatives was also successful when pivalic acid served as an additive to promote the H/D exchange process.
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Affiliation(s)
- Fei-Fei Sheng
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM), Nanjing Tech. University (Nanjing Tech.), 30 Puzhu Road, Nanjing 211816, P. R. China
| | - Jian-Guo Gu
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM), Nanjing Tech. University (Nanjing Tech.), 30 Puzhu Road, Nanjing 211816, P. R. China
| | - Kai-Hui Liu
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM), Nanjing Tech. University (Nanjing Tech.), 30 Puzhu Road, Nanjing 211816, P. R. China
| | - Hong-Hai Zhang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM), Nanjing Tech. University (Nanjing Tech.), 30 Puzhu Road, Nanjing 211816, P. R. China
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5
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Ou W, Qiu C, Su C. Photo- and electro-catalytic deuteration of feedstock chemicals and pharmaceuticals: A review. CHINESE JOURNAL OF CATALYSIS 2022. [DOI: 10.1016/s1872-2067(21)63928-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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6
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Lecomte M, Lahboubi M, Thilmany P, El Bouzakhi A, Evano G. A general, versatile and divergent synthesis of selectively deuterated amines. Chem Sci 2021; 12:11157-11165. [PMID: 34522313 PMCID: PMC8386668 DOI: 10.1039/d1sc02622d] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 06/23/2021] [Indexed: 11/21/2022] Open
Abstract
Deuterated organic molecules are of utmost importance in many areas of science and have been recently intensively investigated in medicinal chemistry due to their enhanced metabolic stability. The development of efficient and broadly applicable methods for the selective incorporation of deuterium atoms into organic molecules from readily available starting materials and reagents is therefore of extreme importance. Such methods however often lack generality and selectivity, notably in the nitrogen series. With nitrogen-containing molecules being indeed ubiquitous in medicinal chemistry, there is a strong need for efficient methods enabling the selective synthesis of deuterated amines. In this perspective, we report herein a general, versatile, divergent and metal-free synthesis of amines selectively deuterated at their α and/or β positions. Upon simple treatment of readily available ynamides with a mixture of triflic acid and triethylsilane, either deuterated or not, a range of amines can be smoothly obtained with high levels of deuterium incorporation by a unique sequence involving a domino keteniminium/iminium activation. A general, versatile, divergent and metal-free synthesis of amines selectively deuterated at their α and/or β positions and relying on a simple treatment of ynamides with triflic acid and triethylsilane, either deuterated or not, is reported.![]()
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Affiliation(s)
- Morgan Lecomte
- Laboratoire de Chimie Organique, Service de Chimie et PhysicoChimie Organiques, Université libre de Bruxelles (ULB) Avenue F. D. Roosevelt 50, CP160/06 1050 Brussels Belgium
| | - Mounsef Lahboubi
- Laboratoire de Chimie Organique, Service de Chimie et PhysicoChimie Organiques, Université libre de Bruxelles (ULB) Avenue F. D. Roosevelt 50, CP160/06 1050 Brussels Belgium
| | - Pierre Thilmany
- Laboratoire de Chimie Organique, Service de Chimie et PhysicoChimie Organiques, Université libre de Bruxelles (ULB) Avenue F. D. Roosevelt 50, CP160/06 1050 Brussels Belgium
| | - Adil El Bouzakhi
- Laboratoire de Chimie Organique, Service de Chimie et PhysicoChimie Organiques, Université libre de Bruxelles (ULB) Avenue F. D. Roosevelt 50, CP160/06 1050 Brussels Belgium
| | - Gwilherm Evano
- Laboratoire de Chimie Organique, Service de Chimie et PhysicoChimie Organiques, Université libre de Bruxelles (ULB) Avenue F. D. Roosevelt 50, CP160/06 1050 Brussels Belgium
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7
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Grocholska P, Bąchor R. Trends in the Hydrogen-Deuterium Exchange at the Carbon Centers. Preparation of Internal Standards for Quantitative Analysis by LC-MS. Molecules 2021; 26:molecules26102989. [PMID: 34069879 PMCID: PMC8157363 DOI: 10.3390/molecules26102989] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 05/11/2021] [Accepted: 05/14/2021] [Indexed: 12/02/2022] Open
Abstract
The application of internal standards in quantitative and qualitative bioanalysis is a commonly used procedure. They are usually isotopically labeled analogs of the analyte, used in quantitative LC-MS analysis. Usually, 2H, 13C, 15N and 18O isotopes are used. The synthesis of deuterated isotopologues is relatively inexpensive, however, due to the isotopic effect of deuterium and the lack of isotopologue co-elution, usually they are not considered as good internal standards for LC-MS quantification. On the other hand, the preparation of 13C, 15N and 18O containing standards of drugs and their metabolites requires a complicated multistep de novo synthesis, starting from the isotopically labeled substrates, which are usually expensive. Therefore, there is a strong need for the development of low-cost methods for isotope-labeled standard preparations for quantitative analysis by LC-MS. The presented review concentrates on the preparation of deuterium-labeled standards by hydrogen−deuterium exchange reactions at the carbon centers. Recent advances in the development of the methods of isotopologues preparation and their application in quantitative analysis by LC-MS are evaluated.
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8
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Ning L, Li H, Lai Z, Szostak M, Chen X, Dong Y, Jin S, An J. Synthesis of α-Deuterated Primary Amines via Reductive Deuteration of Oximes Using D 2O as a Deuterium Source. J Org Chem 2021; 86:2907-2916. [PMID: 33486945 DOI: 10.1021/acs.joc.0c02829] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Selective introduction of the deuterium atom into the α-position of amines is important for the development of all types of novel deuterated drugs and agrochemicals due to the pervasive presence of amines. In this study, we report the first general single-electron-transfer reductive deuteration of both ketoximes and aldoximes using SmI2 as an electron donor and D2O as a deuterium source for the synthesis of α-deuterated primary amines with excellent levels of deuterium incorporations (>95% [D]). This protocol exhibits excellent chemoselectivity and tolerates a variety of functional groups. The potential application of this new method was showcased in the synthesis of deuterated drugs, such as rimantadine-d4, the tebufenpyrad analogue, derivatives of nabumetone and pregnenolone, and a series of building blocks for the rapid and general assembly of deuterated drugs and pesticides.
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Affiliation(s)
- Lei Ning
- Department of Chemistry and Innovation Center of Pesticide Research, China Agricultural University, Beijing 100193, China
| | - Hengzhao Li
- Department of Chemistry and Innovation Center of Pesticide Research, China Agricultural University, Beijing 100193, China
| | - Zemin Lai
- Department of Chemistry and Innovation Center of Pesticide Research, China Agricultural University, Beijing 100193, China
| | - Michal Szostak
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Xingyue Chen
- Department of Chemistry and Innovation Center of Pesticide Research, China Agricultural University, Beijing 100193, China
| | - Yanhong Dong
- Department of Chemistry and Innovation Center of Pesticide Research, China Agricultural University, Beijing 100193, China
| | - Shuhui Jin
- Department of Chemistry and Innovation Center of Pesticide Research, China Agricultural University, Beijing 100193, China
| | - Jie An
- Department of Nutrition and Health, China Agricultural University, Beijing 100193, China
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9
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10
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Valero M, Derdau V. Highlights of aliphatic C(sp 3 )-H hydrogen isotope exchange reactions. J Labelled Comp Radiopharm 2020; 63:266-280. [PMID: 31278771 DOI: 10.1002/jlcr.3783] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 06/28/2019] [Accepted: 07/01/2019] [Indexed: 12/14/2022]
Abstract
This review summarizes the highlights of aliphatic C (sp3 )-H carbon hydrogen isotope exchange (HIE) methods developed in the last 10 years. In particular, new highly selective and reactive protocols in the areas of nanoparticle and metal-catalyzed homogeneous catalysis are reported.
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Affiliation(s)
- Mégane Valero
- R&D, Integrated Drug Discovery, Isotope Chemistry, Sanofi Germany, Frankfurt, Germany
| | - Volker Derdau
- R&D, Integrated Drug Discovery, Isotope Chemistry, Sanofi Germany, Frankfurt, Germany
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11
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Ji P, Zhang Y, Dong Y, Huang H, Wei Y, Wang W. Synthesis of Enantioenriched α-Deuterated α-Amino Acids Enabled by an Organophotocatalytic Radical Approach. Org Lett 2020; 22:1557-1562. [PMID: 32045253 PMCID: PMC7936574 DOI: 10.1021/acs.orglett.0c00154] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A mild, versatile organophotoredox protocol has been developed for the preparation of diverse, enantioenriched α-deuterated α-amino acids. Distinct from the well-established two-electron transformations, this radical-based strategy offers the unrivaled capacity of the convergent unification of readily accessible feedstock carboxylic acids and a chiral methyleneoxazolidinone fragment and the simultaneous highly diastereo-, chemo-, and regioselective incorporation of deuterium. Furthermore, the approach has addressed the long-standing challenge of the installation of sterically demanding side chains into α-amino acids.
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Affiliation(s)
- Peng Ji
- Department of Pharmacology and Toxicology and BIO5 Institute, University of Arizona, Tucson, Arizona 85721, USA
| | - Yueteng Zhang
- Department of Pharmacology and Toxicology and BIO5 Institute, University of Arizona, Tucson, Arizona 85721, USA
| | - Yue Dong
- Department of Pharmacology and Toxicology and BIO5 Institute, University of Arizona, Tucson, Arizona 85721, USA
| | - He Huang
- Department of Pharmacology and Toxicology and BIO5 Institute, University of Arizona, Tucson, Arizona 85721, USA
| | - Yongyi Wei
- Department of Pharmacology and Toxicology and BIO5 Institute, University of Arizona, Tucson, Arizona 85721, USA
| | - Wei Wang
- Department of Pharmacology and Toxicology and BIO5 Institute, University of Arizona, Tucson, Arizona 85721, USA
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12
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Müller V, Weck R, Derdau V, Ackermann L. Ruthenium(II)‐Catalyzed Hydrogen Isotope Exchange of Pharmaceutical Drugs by C−H Deuteration and C−H Tritiation. ChemCatChem 2019. [DOI: 10.1002/cctc.201902051] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Valentin Müller
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität Göttingen Tammannstrasse 2 Göttingen 37077 Germany
| | - Remo Weck
- R&DIntegrated Drug DiscoveryIsotope ChemistrySanofi-Aventis Deutschland GmbH Industriepark Höchst Frankfurt am Main 65926 Germany
| | - Volker Derdau
- R&DIntegrated Drug DiscoveryIsotope ChemistrySanofi-Aventis Deutschland GmbH Industriepark Höchst Frankfurt am Main 65926 Germany
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität Göttingen Tammannstrasse 2 Göttingen 37077 Germany
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13
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Asensio JM, Bouzouita D, van Leeuwen PWNM, Chaudret B. σ-H-H, σ-C-H, and σ-Si-H Bond Activation Catalyzed by Metal Nanoparticles. Chem Rev 2019; 120:1042-1084. [PMID: 31659903 DOI: 10.1021/acs.chemrev.9b00368] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Activation of H-H, Si-H, and C-H bonds through σ-bond coordination has grown in the past 30 years from a scientific curiosity to an important tool in the functionalization of hydrocarbons. Several mechanisms were discovered via which the initially σ-bonded substrate could be converted: oxidative addition, heterolytic cleavage, σ-bond metathesis, electrophilic attack, etc. The use of metal nanoparticles (NPs) in this area is a more recent development, but obviously nanoparticles offer a much richer basis than classical homogeneous and heterogeneous catalysts for tuning reactivity for such a demanding process as C-H functionalization. Here, we will review the surface chemistry of nanoparticles and catalytic reactions occurring in the liquid phase, catalyzed by either colloidal or supported metal NPs. We consider nanoparticles prepared in solution, which are stabilized and tuned by polymers, ligands, and supports. The question we have addressed concerns the differences and similarities between molecular complexes and metal NPs in their reactivity toward σ-bond activation and functionalization.
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Affiliation(s)
- Juan M Asensio
- LPCNO, Université de Toulouse , CNRS , INSA, UPS, 135 avenue de Rangueil , 31077 Toulouse , France
| | - Donia Bouzouita
- LPCNO, Université de Toulouse , CNRS , INSA, UPS, 135 avenue de Rangueil , 31077 Toulouse , France
| | - Piet W N M van Leeuwen
- LPCNO, Université de Toulouse , CNRS , INSA, UPS, 135 avenue de Rangueil , 31077 Toulouse , France
| | - Bruno Chaudret
- LPCNO, Université de Toulouse , CNRS , INSA, UPS, 135 avenue de Rangueil , 31077 Toulouse , France
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14
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Atzrodt J, Derdau V, Kerr WJ, Reid M. Methoden der C-H-Funktionalisierung für den Wasserstoffisotopenaustausch. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201708903] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Jens Atzrodt
- Isotope Chemistry and Metabolite Synthesis, Integrated Drug Discovery, Medicinal Chemistry; Industriepark Höchst, G876 65926 Frankfurt Deutschland
| | - Volker Derdau
- Isotope Chemistry and Metabolite Synthesis, Integrated Drug Discovery, Medicinal Chemistry; Industriepark Höchst, G876 65926 Frankfurt Deutschland
| | - William J. Kerr
- Department of Pure and Applied Chemistry, WestCHEM; University of Strathclyde; 295 Cathedral Street Glasgow Scotland G1 1XL Großbritannien
| | - Marc Reid
- Department of Pure and Applied Chemistry, WestCHEM; University of Strathclyde; 295 Cathedral Street Glasgow Scotland G1 1XL Großbritannien
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15
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Atzrodt J, Derdau V, Kerr WJ, Reid M. C-H Functionalisation for Hydrogen Isotope Exchange. Angew Chem Int Ed Engl 2018; 57:3022-3047. [PMID: 29024330 DOI: 10.1002/anie.201708903] [Citation(s) in RCA: 299] [Impact Index Per Article: 49.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Indexed: 11/06/2022]
Abstract
The various applications of hydrogen isotopes (deuterium, D, and tritium, T) in the physical and life sciences demand a range of methods for their installation in an array of molecular architectures. In this Review, we describe recent advances in synthetic C-H functionalisation for hydrogen isotope exchange.
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Affiliation(s)
- Jens Atzrodt
- Isotope Chemistry and Metabolite Synthesis, Integrated Drug Discovery, Medicinal Chemistry, Industriepark Höchst, G876, 65926, Frankfurt, Germany
| | - Volker Derdau
- Isotope Chemistry and Metabolite Synthesis, Integrated Drug Discovery, Medicinal Chemistry, Industriepark Höchst, G876, 65926, Frankfurt, Germany
| | - William J Kerr
- Department of Pure and Applied Chemistry, WestCHEM, University of Strathclyde, 295 Cathedral Street, Glasgow, Scotland, G1 1XL, UK
| | - Marc Reid
- Department of Pure and Applied Chemistry, WestCHEM, University of Strathclyde, 295 Cathedral Street, Glasgow, Scotland, G1 1XL, UK
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16
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Michelotti A, Rodrigues F, Roche M. Development and Scale-Up of Stereoretentive α-Deuteration of Amines. Org Process Res Dev 2017. [DOI: 10.1021/acs.oprd.7b00227] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
| | - Fabien Rodrigues
- CortecNet, 15-17 Rue des Tilleuls, 78960 Voisins-le-Bretonneux, France
| | - Maxime Roche
- CortecNet, 15-17 Rue des Tilleuls, 78960 Voisins-le-Bretonneux, France
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17
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Abstract
We present a mild way of converting secondary methyl ethers into ketones using calcium hypochlorite in aqueous acetonitrile with acetic acid as activator. The reaction is compatible with various oxygen- and nitrogen-containing functional groups and afforded the corresponding ketones in up to 98% yield. The use of this methodology could expand the application of the methyl group as a useful protecting group.
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Affiliation(s)
- Pieter J Gilissen
- Institute for Molecules and Materials, Radboud University , Heyendaalseweg 135, 6525 AJ Nijmegen, Netherlands
| | - Daniel Blanco-Ania
- Institute for Molecules and Materials, Radboud University , Heyendaalseweg 135, 6525 AJ Nijmegen, Netherlands
| | - Floris P J T Rutjes
- Institute for Molecules and Materials, Radboud University , Heyendaalseweg 135, 6525 AJ Nijmegen, Netherlands
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18
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Chatterjee B, Krishnakumar V, Gunanathan C. Selective α-Deuteration of Amines and Amino Acids Using D 2O. Org Lett 2016; 18:5892-5895. [PMID: 27805814 DOI: 10.1021/acs.orglett.6b02978] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Monohydrido-bridged ruthenium complex [{(η6-p-cymene)RuCl}2(μ-H-μ-Cl)] catalyzes (catalyst load: 0.5-1 mol %) α-selective deuteration of primary and secondary amines, amino acids, and drug molecules using deuterium oxide (D2O) as a deuterium source. Mechanistic investigations revealed N-H activation of amines, which was also established by single-crystal X-ray analysis of an intermediate. β-Hydride elimination on amide ligand results in formation of imine-ligated ruthenium intermediate and subsequent 1,3-deuteride migrations to imine ligand leading to the selective deuteration at the α-CH2 protons of amine functionality is proposed.
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Affiliation(s)
- Basujit Chatterjee
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), HBNI , Bhubaneswar 752 050, India
| | - Varadhan Krishnakumar
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), HBNI , Bhubaneswar 752 050, India
| | - Chidambaram Gunanathan
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), HBNI , Bhubaneswar 752 050, India
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19
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Hale LVA, Szymczak NK. Stereoretentive Deuteration of α-Chiral Amines with D 2O. J Am Chem Soc 2016; 138:13489-13492. [PMID: 27709928 DOI: 10.1021/jacs.6b07879] [Citation(s) in RCA: 90] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We present the direct and stereoretentive deuteration of primary amines using Ru-bMepi (bMepi = 1,3-(6'-methyl-2'-pyridylimino)isoindolate) complexes and D2O. High deuterium incorporation occurs at the α-carbon (70-99%). For α-chiral amines, complete retention of stereochemistry is achieved when using an electron-deficient Ru catalyst. The retention of enantiomeric purity is attributed to a high binding affinity of an imine intermediate with ruthenium, as well as to a fast H/D exchange relative to ligand dissociation.
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Affiliation(s)
- Lillian V A Hale
- Department of Chemistry, University of Michigan , Ann Arbor, Michigan 48109, United States
| | - Nathaniel K Szymczak
- Department of Chemistry, University of Michigan , Ann Arbor, Michigan 48109, United States
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