1
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Sharma M, Thakur D, Nidhi, Verma AK. Harnessing benzotriazole as a sustainable ligand in metal-catalyzed coupling reactions. Chem Commun (Camb) 2024. [PMID: 39380493 DOI: 10.1039/d4cc04450a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/10/2024]
Abstract
Coupling reactions play a crucial role in drug development enabling the rapid expansion of structure-activity relationships (SARs) during drug discovery programs to identify a clinical candidate and simplify subsequent drug development processes. In particular, their relevance in clinical medicine and drug discovery has increased significantly in the last two decades. To facilitate these metal-catalyzed coupling reactions, suitably designed ligands are necessary and from the industrial point of view, sustainable and cost-effective ligands are of current need. Benzotriazole, a non-toxic, thermally stable, and inexpensive bidentate ligand, exhibits strong electron donating and electron accepting properties, along with excellent solubility in various organic solvents. It has been extensively explored as a synthetic auxiliary in the past; in recent years, benzotriazole and its derivatives have been used as ligands in metal-catalyzed coupling reactions. The facile construction of carbon-carbon and carbon-heteroatom bonds in the presence of versatile benzotriazole ligands makes it an indispensable ligand for catalytic transformations. The present feature article mainly emphasizes the advances in the utilization of benzotriazole as a ligand in a diverse range of C-C, C-N, C-O, and C-S coupling reactions.
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Affiliation(s)
- Manvi Sharma
- Synthetic Organic Chemistry Research Laboratory, Department of Chemistry, University of Delhi, Delhi, 110007, India.
| | - Deepika Thakur
- Synthetic Organic Chemistry Research Laboratory, Department of Chemistry, University of Delhi, Delhi, 110007, India.
| | - Nidhi
- Synthetic Organic Chemistry Research Laboratory, Department of Chemistry, University of Delhi, Delhi, 110007, India.
| | - Akhilesh K Verma
- Synthetic Organic Chemistry Research Laboratory, Department of Chemistry, University of Delhi, Delhi, 110007, India.
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2
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Xu H, Jiang ZJ, Jia Y, Su Y, Bai JF, Gao Z, Chen J, Gao K. H/D Exchange of Aromatic Sulfones via Base Promotion and Silver Catalysis. J Org Chem 2024; 89:8468-8477. [PMID: 38856238 DOI: 10.1021/acs.joc.4c00352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2024]
Abstract
Aromatic sulfones are the prevailing scaffolds in pharmaceutical and material sciences. However, compared to their widespread application, the selective deuterium labeling of these structures is restricted due to their electron-deficient properties. This study presents two comprehensive strategies for the deuteration of aromatic sulfones. The base-promoted deuteration uses DMSO-d6 as the deuterium source, resulting in a rapid H/D exchange within 2 h. Meanwhile, a silver-catalyzed protocol offers a much milder option by using economical D2O to furnish the labeled sulfones.
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Affiliation(s)
- Hui Xu
- College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, People's Republic of China
- NingboTech-Cuiying Joint Laboratory of Stable Isotope Technology, School of Biological and Chemical Engineering, NingboTech University, Ningbo 315100, People's Republic of China
| | - Zhi-Jiang Jiang
- NingboTech-Cuiying Joint Laboratory of Stable Isotope Technology, School of Biological and Chemical Engineering, NingboTech University, Ningbo 315100, People's Republic of China
| | - Yun Jia
- NingboTech-Cuiying Joint Laboratory of Stable Isotope Technology, School of Biological and Chemical Engineering, NingboTech University, Ningbo 315100, People's Republic of China
| | - Yuhang Su
- NingboTech-Cuiying Joint Laboratory of Stable Isotope Technology, School of Biological and Chemical Engineering, NingboTech University, Ningbo 315100, People's Republic of China
| | - Jian-Fei Bai
- NingboTech-Cuiying Joint Laboratory of Stable Isotope Technology, School of Biological and Chemical Engineering, NingboTech University, Ningbo 315100, People's Republic of China
| | - Zhanghua Gao
- NingboTech-Cuiying Joint Laboratory of Stable Isotope Technology, School of Biological and Chemical Engineering, NingboTech University, Ningbo 315100, People's Republic of China
- Ningbo Cuiying Chemical Technology Co. Ltd., Ningbo 315100, People's Republic of China
| | - Jia Chen
- NingboTech-Cuiying Joint Laboratory of Stable Isotope Technology, School of Biological and Chemical Engineering, NingboTech University, Ningbo 315100, People's Republic of China
- Ningbo Cuiying Chemical Technology Co. Ltd., Ningbo 315100, People's Republic of China
| | - Kun Gao
- College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, People's Republic of China
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3
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Duan Y, Zheng Z, Yu Z, Sun S, Lin B, Liu X, Liu P. Catalyst-Free α- trans-Selective Hydroboration and ( E)-Selective Deuterated Semihydrogenation of Alkynyl Sulfones. J Org Chem 2024; 89:8326-8333. [PMID: 38817078 DOI: 10.1021/acs.joc.3c02833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2024]
Abstract
Here, we present a straightforward α-trans-selective hydroboration of alkynyl sulfones with NHC-boranes without the need for a catalyst. This reaction is compatible with a wide range of substrates for efficiently producing structurally diverse α-borylated vinyl sulfones in satisfactory yields. The hydride transfer from NHC-borane 2a to alkynyl triflone 1b is studied by density functional theory (DFT) calculations for trans-hydroboration. Moreover, a regiodivergent deuterated semihydrogenation of alkynyl triflones has also been developed using D2O as the deuterium source. A variety of diversity-oriented D-containing vinyl triflones were prepared in good to excellent yields with excellent deuterium incorporation ratios. Synthetic manipulations of the deuterated products are achieved for the conversion into valuable deuterated molecules, indicating the utility of this protocol.
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Affiliation(s)
- Yunnan Duan
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563000, China
| | - Zhouqing Zheng
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563000, China
| | - Zhiwei Yu
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Shitao Sun
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Bin Lin
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Xiaozu Liu
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563000, China
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, China
| | - Peijun Liu
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563000, China
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, China
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4
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Tortajada A, Hevia E. Alkali-metal bases in catalytic hydrogen isotope exchange processes. Catal Sci Technol 2023; 13:4919-4925. [PMID: 38013748 PMCID: PMC10465149 DOI: 10.1039/d3cy00825h] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 07/14/2023] [Indexed: 11/29/2023]
Abstract
The preparation of compounds labelled with deuterium or tritium has become an essential tool in a range of research fields. Hydrogen isotope exchange (HIE) offers direct access to said compounds, introducing these isotopes in a late stage. Even though the field has rapidly advanced with the use of transition metal catalysis, alkali-metal bases, used as catalysts or under stoichiometric conditions, have also emerged as a viable alternative. In this minireview we describe the latest advances in the use of alkali-metal bases in HIE processes, showcasing their synthetic potential as well as current challenges in the field. It is divided in different sections based on the isotope source used, emphasizing their benefits, disadvantages and limitations. The influence on the choice of alkali-metal in these processes as well as their possible mechanistic pathways are also discussed.
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Affiliation(s)
- Andreu Tortajada
- Department für Chemie und Biochemie, Universität Bern Freiestrasse 3 3012 Bern Switzerland
| | - Eva Hevia
- Department für Chemie und Biochemie, Universität Bern Freiestrasse 3 3012 Bern Switzerland
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5
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Fitzgerald LS, McNulty RL, Greener A, O’Duill ML. Programmable Deuteration of Indoles via Reverse Deuterium Exchange. J Org Chem 2023; 88:10772-10776. [PMID: 37477980 PMCID: PMC10407927 DOI: 10.1021/acs.joc.3c00819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Indexed: 07/23/2023]
Abstract
Methods for selective deuterium incorporation into drug-like molecules have become extremely valuable due to the commercial, mechanistic, and biological importance of deuterated compounds. Herein, we report a programmable labeling platform that allows access to C2, C3, or C2- and C3-deuterated indoles under mild, user-friendly conditions. The C2-deuterated indoles are accessed using a reverse hydrogen isotope exchange strategy which represents the first non-directed C2-deuteration of indoles.
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Affiliation(s)
- Liam S. Fitzgerald
- School
of Chemistry, University of Galway, University Road, Galway H91 TK33, Ireland
| | - Rachael L. McNulty
- School
of Chemistry, University of Galway, University Road, Galway H91 TK33, Ireland
| | - Andrew Greener
- School
of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD, U.K.
| | - Miriam L. O’Duill
- School
of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD, U.K.
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6
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Fluoride-Ion-Mediated 1H/2D Exchange in Anion Receptors: A 19F NMR Probe. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2023.135280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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7
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Zhao Y, Liu R, Marcus Pedersen C, Zhang Z, Guo Z, Chang H, Wang Y, Qiao Y. Catalytic conversion of d-glucose into lactic acid with Ba(OH)2 as a base catalyst:mechanistic insight by NMR techniques. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119074] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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8
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Designer phospholipids – structural retrieval, chemo-/bio- synthesis and isotopic labeling. Biotechnol Adv 2022; 60:108025. [DOI: 10.1016/j.biotechadv.2022.108025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Revised: 07/12/2022] [Accepted: 07/26/2022] [Indexed: 11/23/2022]
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9
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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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10
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Chan MYT, Anwar A, Lockley WJS. Practical approaches to labelling terminal alkynes with deuterium. J Labelled Comp Radiopharm 2022; 65:101-111. [PMID: 35067956 PMCID: PMC9303397 DOI: 10.1002/jlcr.3963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 01/14/2022] [Accepted: 01/17/2022] [Indexed: 11/12/2022]
Abstract
Base catalysed exchange with sodium hydroxide, calcium oxide or N,N,N,N‐tetramethylguanidine in deuterium oxide is a viable procedure for the preparation of terminally deuterated alkynes for those alkynes stable to strong base. The use of silver perchlorate as a catalyst is an alternative practical option when labelling alkynes which are sensitive to base or contain functionalities which would lead to labelling elsewhere in the molecule. Labelling with this catalyst takes place smoothly at ambient temperature in a mixture of N,N‐dimethylformamide and deuterium oxide.
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Affiliation(s)
- Melanie Y. T. Chan
- Department of Chemistry, Faculty of Engineering and Physical Sciences University of Surrey Guildford UK
| | - Arbab Anwar
- Department of Chemistry, Faculty of Engineering and Physical Sciences University of Surrey Guildford UK
| | - William J. S. Lockley
- Department of Chemistry, Faculty of Engineering and Physical Sciences University of Surrey Guildford UK
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11
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Kimura Y, Kanematsu Y, Sakagami H, Rivera Rocabado DS, Shimazaki T, Tachikawa M, Ishimoto T. Hydrogen/Deuterium Transfer from Anisole to Methoxy Radicals: A Theoretical Study of a Deuterium-Labeled Drug Model. J Phys Chem A 2022; 126:155-163. [PMID: 34981930 DOI: 10.1021/acs.jpca.1c08514] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Recently, deuterium-labeled drugs, such as deutetrabenazine, have attracted considerable attention. Consequently, understanding the reaction mechanisms of deuterium-labeled drugs is crucial, both fundamentally and for real applications. To understand the mechanisms of H- and D-transfer reactions, in this study, we used deuterated anisole as a deutetrabenazine model and computationally considered the nuclear quantum effects of protons, deuterons, and electrons. We demonstrated that geometrical differences exist in the partially and fully deuterated methoxy groups and hydrogen-bonded structures of intermediates and transition states due to the H/D isotope effect. The observed geometrical features and electronic structures are ascribable to the different nuclear quantum effects of protons and deuterons. Primary and secondary kinetic isotope effects (KIEs) were calculated for H- and D-transfer reactions from deuterated and undeuterated anisole, with the calculated primary KIEs in good agreement with the corresponding experimental data. These results reveal that the nuclear quantum effects of protons and deuterons need to be considered when analyzing the reaction mechanisms of H- and D-transfer reactions and that a theoretical approach that directly includes nuclear quantum effects is a powerful tool for the analysis of H/D isotope effects in H- and D-transfer reactions.
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Affiliation(s)
- Yuka Kimura
- International College of Arts and Sciences, Yokohama City University, 22-2 Seto, Kanazawa, Yokohama 236-0027, Japan
| | - Yusuke Kanematsu
- Smart Innovation Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan.,Division of Materials Model-Based Research, Digital Monozukuri (Manufacturing) Education and Research Center, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan
| | - Hiroki Sakagami
- Graduate School of Data Science, Yokohama City University, 22-2 Seto, Kanazawa, Yokohama 236-0027, Japan
| | - David S Rivera Rocabado
- Smart Innovation Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan
| | - Tomomi Shimazaki
- Graduate School of Nanobioscience, Yokohama City University, 22-2 Seto, Kanazawa, Yokohama 236-0027, Japan
| | - Masanori Tachikawa
- Graduate School of Data Science, Yokohama City University, 22-2 Seto, Kanazawa, Yokohama 236-0027, Japan
| | - Takayoshi Ishimoto
- Smart Innovation Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan.,Division of Materials Model-Based Research, Digital Monozukuri (Manufacturing) Education and Research Center, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan.,Graduate School of Nanobioscience, Yokohama City University, 22-2 Seto, Kanazawa, Yokohama 236-0027, Japan
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12
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Li Y, Zheng C, Jiang ZJ, Tang J, Tang B, Gao Z. Potassium tert-Butoxide Promoted Regioselective Deuteration of Pyridines. Chem Commun (Camb) 2022; 58:3497-3500. [DOI: 10.1039/d1cc07128a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A regioselective deuteration at β- and γ-position of pyridines is reported. Efficient deuteration occurred with a combination of KOtBu and DMSO-d6, replenishing the prevailing α-deuteration of pyridine systems. Preliminary mechanistic...
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13
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Meena P, Singh A, patel M, Verma AK. Transition-Metal-Free Regioselective Hydroamination of Styrenes with Amino-Heteroarenes. Chem Commun (Camb) 2022; 58:8424-8427. [DOI: 10.1039/d2cc02781j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Base-mediated anti-Markovnikov hydroamination of functionally varied styrenes with amino-substituted pyridine, quinoline, pyrimidine, pyrazine, and phenanthridine with excellent regioselectivity has been described. Double hydroamination was observed chemoselectively on secondary amine leaving...
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14
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Voronin VV, Ledovskaya MS, Rodygin KS, Ananikov VP. Cycloaddition Reactions of
in situ
Generated C
2
D
2
in Dioxane: Efficient Synthetic Approach to D
2
‐Labeled Nitrogen Heterocycles. European J Org Chem 2021. [DOI: 10.1002/ejoc.202101085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Vladimir V. Voronin
- Institute of Chemistry Saint Petersburg State University Universitetsky prospect 26 Peterhof 198504 Russia
| | - Maria S. Ledovskaya
- Institute of Chemistry Saint Petersburg State University Universitetsky prospect 26 Peterhof 198504 Russia
| | - Konstantin S. Rodygin
- Institute of Chemistry Saint Petersburg State University Universitetsky prospect 26 Peterhof 198504 Russia
| | - Valentine P. Ananikov
- Institute of Chemistry Saint Petersburg State University Universitetsky prospect 26 Peterhof 198504 Russia
- N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences Leninsky prospect 47 Moscow 119991 Russia
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15
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Sun Q, Soulé JF. Broadening of horizons in the synthesis of CD 3-labeled molecules. Chem Soc Rev 2021; 50:10806-10835. [PMID: 34605827 DOI: 10.1039/d1cs00544h] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
In the light of the recent potentials of deuterated molecules as pharmaceuticals or even in mechanistic understanding, efficient methods for their synthesis are continually desired. CD3-containing molecules are prominent amongst these motifs due to the parallel of the "magic methyl effect": introducing a methyl group into pharmaceuticals could positively affect biological activities. The trideuteromethyl group is bound to molecules either by C, N, O, or S atom. For a long time, the preparation methods of such labeled compounds were underestimated and involved multi-step syntheses. More recently, specific approaches dealing with the direct incorporation of the CD3 group have been developed. This Review gives an overview of the methods for the preparation of CD3-labeled molecules from conventional functional group interconversion techniques to catalytic approaches and include radical strategy. Detailed reaction mechanisms are also discussed.
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Affiliation(s)
- Qiao Sun
- Process Chemistry Enabling Technology Platform, STA Pharmaceutical, a WuxiAppTech Company (Wuxi STA), Shanghai 201507, P. R. China
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16
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Erokhin KS, Gordeev EG, Samoylenko DE, Rodygin KS, Ananikov VP. 3D Printing to Increase the Flexibility of the Chemical Synthesis of Biologically Active Molecules: Design of On-Demand Gas Generation Reactors. Int J Mol Sci 2021; 22:9919. [PMID: 34576082 PMCID: PMC8472564 DOI: 10.3390/ijms22189919] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 09/08/2021] [Accepted: 09/10/2021] [Indexed: 11/16/2022] Open
Abstract
The development of new drugs is accelerated by rapid access to functionalized and D-labeled molecules with improved activity and pharmacokinetic profiles. Diverse synthetic procedures often involve the usage of gaseous reagents, which can be a difficult task due to the requirement of a dedicated laboratory setup. Here, we developed a special reactor for the on-demand production of gases actively utilized in organic synthesis (C2H2, H2, C2D2, D2, and CO2) that completely eliminates the need for high-pressure equipment and allows for integrating gas generation into advanced laboratory practice. The reactor was developed by computer-aided design and manufactured using a conventional 3D printer with polypropylene and nylon filled with carbon fibers as materials. The implementation of the reactor was demonstrated in representative reactions with acetylene, such as atom-economic nucleophilic addition (conversions of 19-99%) and nickel-catalyzed S-functionalization (yields 74-99%). One of the most important advantages of the reactor is the ability to generate deuterated acetylene (C2D2) and deuterium gas (D2), which was used for highly significant, atom-economic and cost-efficient deuterium labeling of S,O-vinyl derivatives (yield 68-94%). Successful examples of their use in organic synthesis are provided to synthesize building blocks of heteroatom-functionalized and D-labeled biologically active organic molecules.
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Affiliation(s)
- Kirill S. Erokhin
- N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences, Leninsky Prospect 47, 119991 Moscow, Russia; (K.S.E.); (E.G.G.); (K.S.R.)
| | - Evgeniy G. Gordeev
- N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences, Leninsky Prospect 47, 119991 Moscow, Russia; (K.S.E.); (E.G.G.); (K.S.R.)
| | - Dmitriy E. Samoylenko
- Institute of Chemistry, Saint Petersburg State University, Universitetsky Prospect 26, 198504 Peterhof, Russia;
| | - Konstantin S. Rodygin
- N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences, Leninsky Prospect 47, 119991 Moscow, Russia; (K.S.E.); (E.G.G.); (K.S.R.)
- Institute of Chemistry, Saint Petersburg State University, Universitetsky Prospect 26, 198504 Peterhof, Russia;
| | - Valentine P. Ananikov
- N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences, Leninsky Prospect 47, 119991 Moscow, Russia; (K.S.E.); (E.G.G.); (K.S.R.)
- Institute of Chemistry, Saint Petersburg State University, Universitetsky Prospect 26, 198504 Peterhof, Russia;
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17
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Affiliation(s)
- Shiv Kumar
- Synthetic Organic Chemistry Research Laboratory Department of Chemistry University of Delhi 110007 Delhi India
| | - Monika Patel
- Ramjas College Department of Chemistry University of Delhi 110007 Delhi India
| | - Akhilesh K. Verma
- Synthetic Organic Chemistry Research Laboratory Department of Chemistry University of Delhi 110007 Delhi India
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18
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Yang X, Ben H, Ragauskas AJ. Recent Advances in the Synthesis of Deuterium‐Labeled Compounds. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100381] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Xiaoli Yang
- State Key Laboratory of BioFibers and Eco-textiles Qingdao University Qingdao 266071 P. R. China
| | - Haoxi Ben
- State Key Laboratory of BioFibers and Eco-textiles Qingdao University Qingdao 266071 P. R. China
| | - Arthur J. Ragauskas
- Center for Renewable Carbon Department of Forestry Wildlife and Fisheries University of Tennessee Institute of Agriculture Knoxville TN 37996 USA
- Department of Chemical and Biomolecular Engineering University of Tennessee Knoxville TN 37996 USA
- Joint Institute for Biological Science Biosciences Division Oak Ridge National Laboratory Oak Ridge TN 37831 USA
- The Center for Bioenergy Innovation (CBI) Oak Ridge National Laboratory Oak Ridge TN 37831 USA
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19
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Tlahuext-Aca A, Hartwig JF. Site-Selective Silver-Catalyzed C-H Bond Deuteration of Five-Membered Aromatic Heterocycles and Pharmaceuticals. ACS Catal 2021; 11:1119-1127. [PMID: 35586574 DOI: 10.1021/acscatal.0c04917] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Catalytic methods for the direct introduction of hydrogen isotopes into organic molecules are essential to the development of improved pharmaceuticals and to the alteration of their absorption, distribution, metabolism, and excretion (ADME) properties. However, the development of homogeneous catalysts for selective incorporation of isotopes in the absence of directing groups under practical conditions remains a long-standing challenge. Here, we show that a phosphine-ligated, silver-carbonate complex catalyzes the site-selective deuteration of C-H bonds in five-membered aromatic heterocycles and active pharmaceutical ingredients that have been resistant to catalytic H/D exchange. The reactions occur with CH3OD as a low-cost source of the isotope. The silver catalysts react with five-membered heteroarenes lacking directing groups, tolerate a wide range of functional groups, and react in both polar and nonpolar solvents. Mechanistic experiments, including deuterium kinetic isotope effects, determination of kinetic orders, and identification of the catalyst resting state, support C-H bond cleavage from a phosphine-ligated, silver-carbonate intermediate as the rate-determining step of the catalytic cycle.
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Affiliation(s)
- Adrian Tlahuext-Aca
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - John F. Hartwig
- Department of Chemistry, University of California, Berkeley, California 94720, United States
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20
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Nie XD, Han XL, Sun JT, Si CM, Wei BG, Lin GQ. Nickel-Catalyzed Regioselective Hydroamination of Ynamides with Secondary Amines. J Org Chem 2021; 86:3433-3443. [DOI: 10.1021/acs.joc.0c02807] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Xiao-Di Nie
- School of Pharmacy and Institutes of Biomedical Sciences, Fudan University, 826 Zhangheng Road, Shanghai 201203, China
| | - Xiao-Li Han
- School of Pharmacy and Institutes of Biomedical Sciences, Fudan University, 826 Zhangheng Road, Shanghai 201203, China
| | - Jian-Ting Sun
- School of Pharmacy and Institutes of Biomedical Sciences, Fudan University, 826 Zhangheng Road, Shanghai 201203, China
| | - Chang-Mei Si
- School of Pharmacy and Institutes of Biomedical Sciences, Fudan University, 826 Zhangheng Road, Shanghai 201203, China
| | - Bang-Guo Wei
- School of Pharmacy and Institutes of Biomedical Sciences, Fudan University, 826 Zhangheng Road, Shanghai 201203, China
| | - Guo-Qiang Lin
- Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
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21
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Ayushee, Patel M, Meena P, Jahan K, Bharatam PV, Verma AK. Base-Mediated Anti-Markovnikov Hydroamidation of Vinyl Arenes with Arylamides. Org Lett 2021; 23:565-570. [PMID: 33393787 DOI: 10.1021/acs.orglett.0c04084] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We investigated a base-promoted protocol for the intermolecular anti-Markovnikov hydroamidation of vinyl arenes with arylamides to furnish the arylethylbenzamides with excellent chemo- and regioselectivity. The reaction tolerates an extensive variety of functional groups and has been successfully extended with electronically varied handles, aminobenzamides, electron-rich/electron-deficient heterocyclic amides, and vinyl arenes to afford the hydroamidated products. Excellent chemoselectivity was observed for the amide group over amine. The proposed mechanism and vital role of the solvent was well supported by deuterium labeling studies and control experiments.
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Affiliation(s)
- Ayushee
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Monika Patel
- Ramjas College, Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Priyanka Meena
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Kousar Jahan
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER) S.A.S. Nagar, Mohali 160062, Punjab, India
| | - Prasad V Bharatam
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER) S.A.S. Nagar, Mohali 160062, Punjab, India
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22
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Wang Y, Zhao Z, Lv S, Ding L, Wang XN, Chang J. Nonmetal-catalyzed hydroamination of ynamides with amines. Org Chem Front 2021. [DOI: 10.1039/d1qo01052b] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
A TfOH-catalyzed hydroamination of ynamides with primary and secondary amines under mild reaction conditions is described for the efficient synthesis of N-arylimines and ethene-1,1-diamines.
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Affiliation(s)
- Yanru Wang
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Zhen Zhao
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Songkui Lv
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Lixia Ding
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Xiao-Na Wang
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Junbiao Chang
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, P. R. China
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23
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Higuera-Padilla AR, Kock FVC, Batista AA, Colnago LA. A straightforward catalytic approach to obtain deuterated chloroform at room temperature. MAGNETIC RESONANCE IN CHEMISTRY : MRC 2020; 58:917-920. [PMID: 32562503 DOI: 10.1002/mrc.5066] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 06/09/2020] [Accepted: 06/12/2020] [Indexed: 06/11/2023]
Abstract
We report the catalytic activity for the complexes-cis-[RuCl2 (dppb)(bipy)] (A), and [η6 -(p-cymene)Ru (dppb)Cl]PF6 (B), wherein dppb = 1,4-bis(diphenylphosphine)butane, and bipy = 2,2'-bipyridine-for the synthesis of CDCl3 from CHCl3 using D2 O as deuterium source. H/D exchange reactions were performed using a chloroform/D2 O, 1:2 molar ratio, vigorously stirred, at room temperature. One mole of KOH was dissolved in D2 O fraction and catalytic complexes from 0.002 to 0.05 mmol were dissolved in chloroform. The H/D exchange reactions were monitored using 13 C nuclear magnetic resonance sequences without proton decoupling. The reaction using 0.01 mmol of compound A reached approximately 55% of H/D conversion in 1 h. In the same time, the reactions with 0.002 mmol of compound A and without catalyst show approximately 28% and 3% H/D exchange, respectively. Without the catalysts, the H/D exchange was only 12.0% in 5 h. For compound B, 55% H/D conversion was observed in 1 h, only when 0.05 mmol was used, which is much higher catalyst concentration. After the isolation of the chloroform fraction and two more addition of D2 O, it was possible to obtain 95.0% H/D exchange in approximately 3 h, using 0.01 mmol of the compound A. Therefore, compound A is an efficient catalyst for a rapid and straightforward synthesis of CDCl3 from CHCl3 at room temperature and using D2 O as deuterium source.
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24
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Hong H, Zou Z, Liang G, Pu S, Hu J, Chen L, Zhu Z, Li Y, Huang Y. Direct electrochemical reductive amination between aldehydes and amines with a H/D-donor solvent. Org Biomol Chem 2020; 18:5832-5837. [PMID: 32700716 DOI: 10.1039/d0ob01163k] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
A novel electrochemical synthesis protocol has been achieved for reductive amination between aldehydes and amines in undivided cells at room temperature. Under metal-free and external-reductant-free electrolysis conditions, various important secondary amine products are obtained in moderate-to-high yields. Deuterium-labeling experiments have demonstrated that low-toxicity DMSO acts both as a solvent and a H-donor in the reaction. On this basis, various deuterium-labeled products with good-to-excellent D-incorporation have been synthesized by using DMSO-d6 as a solvent. Furthermore, a molecule with GR-antagonistic activity has been synthesized through further sulfonylation.
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Affiliation(s)
- Huanliang Hong
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, 529020, China.
| | - Zirong Zou
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, 529020, China.
| | - Gen Liang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, 529020, China.
| | - Suyun Pu
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, 529020, China.
| | - Jinhui Hu
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, 529020, China.
| | - Lu Chen
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, 529020, China.
| | - Zhongzhi Zhu
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, 529020, China.
| | - Yibiao Li
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, 529020, China.
| | - Yubing Huang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, 529020, China.
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25
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Salamanca V, Albéniz AC. Deuterium Exchange between Arenes and Deuterated Solvents in the Absence of a Transition Metal: Synthesis of D-Labeled Fluoroarenes. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000284] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Vanesa Salamanca
- IU CINQUIMA/Química Inorgánica; Universidad de Valladolid; 47071 Valladolid Spain
| | - Ana C. Albéniz
- IU CINQUIMA/Química Inorgánica; Universidad de Valladolid; 47071 Valladolid Spain
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26
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Saini KM, Saunthwal RK, Sushmita, Verma AK. Transition‐Metal‐Free Reverse Reactivity of (2‐Alkynyl)‐Arylaldimines: Assembly of Functionalized Amino‐Indinones. Chemistry 2020. [DOI: 10.1002/chem.201904294] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
| | - Rakesh K. Saunthwal
- Department of ChemistryUniversity of Delhi Delhi 110007 India
- School of ChemistryUniversity of Bristol Bristol BS8 1TS UK
| | - Sushmita
- Department of ChemistryUniversity of Delhi Delhi 110007 India
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27
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Qin Y, Lu J, Zou Z, Hong H, Li Y, Li Y, Chen L, Hu J, Huang Y. Metal-free chemoselective hydrogenation of unsaturated carbon–carbon bonds via cathodic reduction. Org Chem Front 2020. [DOI: 10.1039/d0qo00547a] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
A straightforward protocol for efficient and highly selective hydrogenation of unsaturated carbon–carbon bonds via electrochemical reduction has been reported.
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Affiliation(s)
- Yongwei Qin
- School of Biotechnology and Health Sciences
- Wuyi University
- Jiangmen
- P. R. China
| | - Jingjun Lu
- School of Biotechnology and Health Sciences
- Wuyi University
- Jiangmen
- P. R. China
| | - Zirong Zou
- School of Biotechnology and Health Sciences
- Wuyi University
- Jiangmen
- P. R. China
| | - Huanliang Hong
- School of Biotechnology and Health Sciences
- Wuyi University
- Jiangmen
- P. R. China
| | - Yamei Li
- School of Biotechnology and Health Sciences
- Wuyi University
- Jiangmen
- P. R. China
| | - Yibiao Li
- School of Biotechnology and Health Sciences
- Wuyi University
- Jiangmen
- P. R. China
| | - Lu Chen
- School of Biotechnology and Health Sciences
- Wuyi University
- Jiangmen
- P. R. China
| | - Jinhui Hu
- School of Biotechnology and Health Sciences
- Wuyi University
- Jiangmen
- P. R. China
| | - Yubing Huang
- School of Biotechnology and Health Sciences
- Wuyi University
- Jiangmen
- P. R. China
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28
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Puleo TR, Strong AJ, Bandar JS. Catalytic α-Selective Deuteration of Styrene Derivatives. J Am Chem Soc 2019; 141:1467-1472. [PMID: 30625273 DOI: 10.1021/jacs.8b12874] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
We report an operationally simple protocol for the catalytic α-deuteration of styrenes. This process proceeds via the base-catalyzed reversible addition of methanol to styrenes in DMSO -d6 solvent. The concentration of methanol is shown to be critical for high yields and selectivities over multiple competing side reactions. The synthetic utility of α-deuterated styrenes for accessing deuterium-labeled chiral benzylic stereocenters is demonstrated.
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Affiliation(s)
- Thomas R Puleo
- Department of Chemistry , Colorado State University , Fort Collins , Colorado 80523 , United States
| | - Alivia J Strong
- Department of Chemistry , Colorado State University , Fort Collins , Colorado 80523 , United States
| | - Jeffrey S Bandar
- Department of Chemistry , Colorado State University , Fort Collins , Colorado 80523 , United States
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29
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Tang E, Mao D, Sun Q, Liao M, Li Y, Liu S. One-Pot Synthesis of Pyrrolo[2,1-α]isoquinolines via Tandem Reactions of Vinylselenonium Salt, 2-Bromoethanones, and Isoquinoline. HETEROCYCLES 2019. [DOI: 10.3987/com-19-14162] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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