1
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Tortajada A, Hevia E. Perdeuteration of Arenes via Hydrogen Isotope Exchange Catalyzed by the Superbasic Sodium Amide Donor Species NaTMP·PMDETA. J Am Chem Soc 2022; 144:20237-20242. [DOI: 10.1021/jacs.2c09778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Andreu Tortajada
- Departement für Chemie, Biochemie und Pharmazie, Universität Bern, Freiestrasse 3, 3012 Bern, Switzerland
| | - Eva Hevia
- Departement für Chemie, Biochemie und Pharmazie, Universität Bern, Freiestrasse 3, 3012 Bern, Switzerland
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2
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Zheng Y, He XC, Gao J, Xie ZZ, Wang ZW, Liu ZL, Chen K, Xiang HY, Chen XQ, Yang H. Programmable iodization/deuterolysis sequences of phosphonium ylides to access deuterated benzyl iodides and aromatic aldehydes. Chem Commun (Camb) 2022; 58:4215-4218. [PMID: 35274648 DOI: 10.1039/d2cc00537a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Herein, a tunable iodization/deuterolysis protocol for phosphonium ylides by employing D2O as the deuterium source was designed. Notably, this process could be manipulated by tuning the base, thus leading to two valuable deuterated building blocks - benzyl iodides and aromatic aldehydes with broad substrate scope, good functional group compatibility and excellent deuteration degree. Concise syntheses of a series of deuterated drug analogues have been achieved based on the developed deuteration reaction platform.
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Affiliation(s)
- Yu Zheng
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China
| | - Xian-Chen He
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China
| | - Jie Gao
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China
| | - Zhen-Zhen Xie
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China
| | - Zhi-Wei Wang
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China
| | - Zhi-Lin Liu
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China
| | - Kai Chen
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China
| | - Hao-Yue Xiang
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China.,School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, Henan, P. R. China
| | - Xiao-Qing Chen
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China
| | - Hua Yang
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China
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3
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He T, Klare HFT, Oestreich M. Perdeuteration of Deactivated Aryl Halides by H/D Exchange under Superelectrophile Catalysis. J Am Chem Soc 2022; 144:4734-4738. [PMID: 35258291 DOI: 10.1021/jacs.2c00080] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Superelectrophilic silylium/arenium ions are shown to be highly effective H/D exchange promoters for the exhaustive deuteration of electron-deficient aryl halides. Several of the resulting perdeuterated aryl halides have been previously inaccessible with existing deuterium-labeling procedures. Using inexpensive C6D6 as the deuterium source, excellent degrees of deuterium incorporation were achieved under ambient reaction conditions. Importantly, the perdeuteration remains unaffected on multigram scale, even at a reduced catalyst loading of 0.1 mol %. By this method, otherwise expensive or noncommercially available NMR solvents such as 1,2-dichloro- and 1,2-difluorobenzene can be prepared.
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Affiliation(s)
- Tao He
- Institut für Chemie, Technische Universität Berlin, Strasse des 17. Juni 115, 10623 Berlin, Germany
| | - Hendrik F T Klare
- Institut für Chemie, Technische Universität Berlin, Strasse des 17. Juni 115, 10623 Berlin, Germany
| | - Martin Oestreich
- Institut für Chemie, Technische Universität Berlin, Strasse des 17. Juni 115, 10623 Berlin, Germany
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4
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Kopf S, Bourriquen F, Li W, Neumann H, Junge K, Beller M. Recent Developments for the Deuterium and Tritium Labeling of Organic Molecules. Chem Rev 2022; 122:6634-6718. [PMID: 35179363 DOI: 10.1021/acs.chemrev.1c00795] [Citation(s) in RCA: 141] [Impact Index Per Article: 70.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Organic compounds labeled with hydrogen isotopes play a crucial role in numerous areas, from materials science to medicinal chemistry. Indeed, while the replacement of hydrogen by deuterium gives rise to improved absorption, distribution, metabolism, and excretion (ADME) properties in drugs and enables the preparation of internal standards for analytical mass spectrometry, the use of tritium-labeled compounds is a key technique all along drug discovery and development in the pharmaceutical industry. For these reasons, the interest in new methodologies for the isotopic enrichment of organic molecules and the extent of their applications are equally rising. In this regard, this Review intends to comprehensively discuss the new developments in this area over the last years (2017-2021). Notably, besides the fundamental hydrogen isotope exchange (HIE) reactions and the use of isotopically labeled analogues of common organic reagents, a plethora of reductive and dehalogenative deuteration techniques and other transformations with isotope incorporation are emerging and are now part of the labeling toolkit.
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Affiliation(s)
- Sara Kopf
- Leibniz-Institut für Katalyse e. V., 18059 Rostock, Germany
| | | | - Wu Li
- Leibniz-Institut für Katalyse e. V., 18059 Rostock, Germany
| | | | - Kathrin Junge
- Leibniz-Institut für Katalyse e. V., 18059 Rostock, Germany
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5
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Ma C, Xiao Z, Bonnesen PV, Liang L, Puretzky AA, Huang J, Kolmer M, Sumpter BG, Lu W, Hong K, Bernholc J, Li AP. On-surface cyclodehydrogenation reaction pathway determined by selective molecular deuterations. Chem Sci 2021; 12:15637-15644. [PMID: 35003594 PMCID: PMC8653995 DOI: 10.1039/d1sc04908a] [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: 09/05/2021] [Accepted: 11/14/2021] [Indexed: 11/21/2022] Open
Abstract
Understanding the reaction mechanisms of dehydrogenative Caryl–Caryl coupling is the key to directed formation of π-extended polycyclic aromatic hydrocarbons. Here we utilize isotopic labeling to identify the exact pathway of cyclodehydrogenation reaction in the on-surface synthesis of model atomically precise graphene nanoribbons (GNRs). Using selectively deuterated molecular precursors, we grow seven-atom-wide armchair GNRs on a Au(111) surface that display a specific hydrogen/deuterium (H/D) pattern with characteristic Raman modes. A distinct hydrogen shift across the fjord of Caryl–Caryl coupling is revealed by monitoring the ratios of gas-phase by-products of H2, HD, and D2 with in situ mass spectrometry. The identified reaction pathway consists of a conrotatory electrocyclization and a distinct [1,9]-sigmatropic D shift followed by H/D eliminations, which is further substantiated by nudged elastic band simulations. Our results not only clarify the cyclodehydrogenation process in GNR synthesis but also present a rational strategy for designing on-surface reactions towards nanographene structures with precise hydrogen/deuterium isotope labeling patterns. Selective deuterations were exploited to synthesize graphene nanoribbons on Au(111) surface with a specific H/D pattern on edges, allowing the determination of cyclodehydrogenation reaction pathway within the framework of pericyclic reactions.![]()
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Affiliation(s)
- Chuanxu Ma
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory Oak Ridge TN 37831 USA .,Hefei National Laboratory for Physical Sciences at the Microscale, Synergetic Innovation Center of Quantum Information & Quantum Physics, University of Science and Technology of China Hefei Anhui 230026 China
| | - Zhongcan Xiao
- Department of Physics, North Carolina State University Raleigh NC 27695 USA
| | - Peter V Bonnesen
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory Oak Ridge TN 37831 USA
| | - Liangbo Liang
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory Oak Ridge TN 37831 USA
| | - Alexander A Puretzky
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory Oak Ridge TN 37831 USA
| | - Jingsong Huang
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory Oak Ridge TN 37831 USA
| | - Marek Kolmer
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory Oak Ridge TN 37831 USA .,Ames Laboratory, U.S. Department of Energy Ames IA 50011 USA
| | - Bobby G Sumpter
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory Oak Ridge TN 37831 USA
| | - Wenchang Lu
- Department of Physics, North Carolina State University Raleigh NC 27695 USA.,Computational Sciences and Engineering Division, Oak Ridge National Laboratory Oak Ridge TN 37831 USA
| | - Kunlun Hong
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory Oak Ridge TN 37831 USA
| | - Jerzy Bernholc
- Department of Physics, North Carolina State University Raleigh NC 27695 USA.,Computational Sciences and Engineering Division, Oak Ridge National Laboratory Oak Ridge TN 37831 USA
| | - An-Ping Li
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory Oak Ridge TN 37831 USA
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6
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Klare HFT, Oestreich M. The Power of the Proton: From Superacidic Media to Superelectrophile Catalysis. J Am Chem Soc 2021; 143:15490-15507. [PMID: 34520196 DOI: 10.1021/jacs.1c07614] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Superacidic media became famous in connection with carbocations. Yet not all reactive intermediates can be generated, characterized, and eventually isolated from these Brønsted acid/Lewis acid cocktails. The counteranion, that is the conjugate base, in these systems is often too nucleophilic and/or engages in redox chemistry with the newly formed cation. The Brønsted acidity, especially superacidity, is in fact often not even crucial unless protonation of extremely weak bases needs to be achieved. Instead, it is the chemical robustness of the aforementioned counteranion that determines the success of the protolysis. The advent of molecular Brønsted superacids derived from weakly coordinating, redox-inactive counteranions that do withstand the enormous reactivity of superelectrophiles such as silicon cations completely changed the whole field. This Perspective summarizes general aspects of medium and molecular Brønsted acidity and shows how applications of molecular Brønsted superacids have advanced from stoichiometric reactions to catalytic processes involving protons and in situ generated superelectrophiles.
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Affiliation(s)
- Hendrik F T Klare
- Institut für Chemie, Technische Universität Berlin, Strasse des 17. Juni 115, 10623 Berlin, Germany
| | - Martin Oestreich
- Institut für Chemie, Technische Universität Berlin, Strasse des 17. Juni 115, 10623 Berlin, Germany
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7
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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: 56] [Impact Index Per Article: 14.0] [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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8
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Zhang Y, Ji P, Dong Y, Wei Y, Wang W. Deuteration of Formyl Groups via a Catalytic Radical H/D Exchange Approach. ACS Catal 2020; 10:2226-2230. [PMID: 33623725 PMCID: PMC7899177 DOI: 10.1021/acscatal.9b05300] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
H/D exchange at formyl groups represents the straightforward approach to C-1 deuterated aldehydes. This transformation has been recently realized by transition metal and NHC carbene catalysis. Mechanistically, all these processes involve an ionic pathway. Herein we report a distinct photoredox catalytic, visible light mediated neutral radical approach. Selective control of highly reactive acyl radical in the energy barrier surmountable, reversible reaction enables driving the formation of deuterated products when an excess of D2O is employed. The power of the H/D exchange process has been demonstrated for not only aromatic aldehydes, but also aliphatic substrates, which have been difficult in transitional metal catalyzed H/D exchange reactions, and for selective late-stage deuterium incorporation into complex structures with uniformly high deuteration level (>90%).
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Affiliation(s)
- Yueteng Zhang
- Department of Pharmacology and Toxicology, College of Pharmacy, and BIO5 Institute, University of Arizona, 1703 E. Mabel Street, Tucson, AZ 85721-0207, USA
| | - Peng Ji
- Department of Pharmacology and Toxicology, College of Pharmacy, and BIO5 Institute, University of Arizona, 1703 E. Mabel Street, Tucson, AZ 85721-0207, USA
| | - Yue Dong
- Department of Pharmacology and Toxicology, College of Pharmacy, and BIO5 Institute, University of Arizona, 1703 E. Mabel Street, Tucson, AZ 85721-0207, USA
| | - Yongyi Wei
- Department of Pharmacology and Toxicology, College of Pharmacy, and BIO5 Institute, University of Arizona, 1703 E. Mabel Street, Tucson, AZ 85721-0207, USA
| | - Wei Wang
- Department of Pharmacology and Toxicology, College of Pharmacy, and BIO5 Institute, University of Arizona, 1703 E. Mabel Street, Tucson, AZ 85721-0207, USA
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9
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Geng H, Chen X, Gui J, Zhang Y, Shen Z, Qian P, Chen J, Zhang S, Wang W. Practical Synthesis of C-1 Deuterated Aldehydes Enabled by NHC Catalysis. Nat Catal 2019; 2:1071-1077. [PMID: 33791590 PMCID: PMC8008838 DOI: 10.1038/s41929-019-0370-z] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
The recent surge in applications of deuterated pharmaceutical agents has created an urgent demand for synthetic methods that efficiently generate deuterated building blocks. Here we show that N-heterocyclic carbenes (NHC) promote a reversible hydrogen-deuterium exchange (HDE) reaction with simple aldehydes, which leads to a practical approach to synthetically valuable C-1 deuterated aldehydes. The reactivity of the well-established NHC catalysed formation of Breslow intermediates from aldehydes is reengineered to overcome the overwhelmingly kinetically favorable, irreversible benzoin condensation reaction and achieve the critical reversibility to drive the formation of desired deuterated products when an excess of D2O is employed. Notably, this operationally simple and cost-effective protocol serves as a general and truly practical approach to all types of 1-D-aldehydes including aryl, -alkyl and -alkenyl aldehydes and enables chemoselective late-stage deuterium incorporation into complex, native therapeutic agents and natural products with uniformly high levels (>95%) of deuterium incorporation for a total of 104 substrates tested.
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Affiliation(s)
- Huihui Geng
- State Key Laboratory of Bioengineering Reactor, and Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science & Technology, 130 Meilong Road, Shanghai, 200237, China
| | - Xiaobei Chen
- State Key Laboratory of Bioengineering Reactor, and Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science & Technology, 130 Meilong Road, Shanghai, 200237, China
| | - Jingjing Gui
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and College of Pharmaceutical Sciences, Soochow University, 199 Ren'ai Road, Suzhou, Jiangsu, 215123, China
| | - Yueteng Zhang
- Department of Pharmacology and Toxicology, College of Pharmacy, and BIO5 Institute, University of Arizona, 1703 E. Mabel Street, P. O. Box 210207, Tucson, AZ 85721-0207, USA
| | - Zuyuan Shen
- State Key Laboratory of Bioengineering Reactor, and Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science & Technology, 130 Meilong Road, Shanghai, 200237, China
| | - Pengfei Qian
- State Key Laboratory of Bioengineering Reactor, and Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science & Technology, 130 Meilong Road, Shanghai, 200237, China
| | - Junwei Chen
- State Key Laboratory of Bioengineering Reactor, and Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science & Technology, 130 Meilong Road, Shanghai, 200237, China
| | - Shilei Zhang
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and College of Pharmaceutical Sciences, Soochow University, 199 Ren'ai Road, Suzhou, Jiangsu, 215123, China
| | - Wei Wang
- State Key Laboratory of Bioengineering Reactor, and Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science & Technology, 130 Meilong Road, Shanghai, 200237, China.,Department of Pharmacology and Toxicology, College of Pharmacy, and BIO5 Institute, University of Arizona, 1703 E. Mabel Street, P. O. Box 210207, Tucson, AZ 85721-0207, USA
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10
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Sawama Y, Nakano A, Matsuda T, Kawajiri T, Yamada T, Sajiki H. H–D Exchange Deuteration of Arenes at Room Temperature. Org Process Res Dev 2019. [DOI: 10.1021/acs.oprd.8b00383] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yoshinari Sawama
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Akihiro Nakano
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Takumi Matsuda
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Takahiro Kawajiri
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Tsuyoshi Yamada
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Hironao Sajiki
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
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