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Mohiti M, Lu Y, He H, Ni SF, Somfai P. Regio- and Enantioselective Synthesis of 1,2-Diamines by Formal Hydroamination of Enamines: Scope, Mechanism, and Asymmetric Synthesis of Orthogonally Protected Bis-Piperazines as a Privileged Scaffold. Chemistry 2024; 30:e202303078. [PMID: 38205968 DOI: 10.1002/chem.202303078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 01/09/2024] [Accepted: 01/11/2024] [Indexed: 01/12/2024]
Abstract
We have previously reported the first formal hydroamination of enamines for the synthesis of chiral 1,2-diamines. Here, we describe: (i) the discovery, optimization, and substrate expansion of this reaction; (ii) a novel and straightforward protocol for the "click-type" synthesis of enamines in quantitative yield utilizing sodium sulfate in a dual role as an ancillary and dehydrating agent without the need for workup or purification; (iii) the application of this methodology to the first enantioselective synthesis of orthogonally protected 1,1'-(1-(4-fluorophenyl)ethane-1,2-diyl) piperazines, a scaffold for rapid lead optimization in drug discovery; (iv) a computational investigation into the mechanism and rationalization of the enantioselectivities of the reaction.
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Affiliation(s)
- Maziar Mohiti
- Center for Analysis and Synthesis, Department of Chemistry, Lund University, Box 124, 22100, Lund, Sweden
| | - Yu Lu
- Center for Analysis and Synthesis, Department of Chemistry, Lund University, Box 124, 22100, Lund, Sweden
| | - Hui He
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou, Guangdong, 515063, P.R. China
| | - Shao-Fei Ni
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou, Guangdong, 515063, P.R. China
| | - Peter Somfai
- Center for Analysis and Synthesis, Department of Chemistry, Lund University, Box 124, 22100, Lund, Sweden
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2
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Park S, Myeong IS, Ham WH. Recent advances in the total synthesis of polyhydroxylated alkaloids via chiral oxazines. Org Biomol Chem 2024; 22:894-926. [PMID: 38230703 DOI: 10.1039/d3ob01624b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]
Abstract
This review summarizes recently established methodologies developed for the enantioselective and diastereoselective synthesis of chiral 1,3-oxazines. These compounds are of interest as advanced synthetic intermediates in the total synthesis of structurally complex and biologically active polyhydroxylated alkaloids such as (+)-1-deoxynojirimycin, (-)-anisomycin, (+)-castanospermine, (+)-casuarine, (-)-conduramine F-1, (-)-sphingofungin B, Neu5Ac methyl ester, and other natural products. The devised synthetic approach aims to offer a direct, efficient, and adaptable method for obtaining both pure enantiomers and pure diastereomers. It revolves around utilizing chiral building blocks like syn,syn-, syn,syn,anti-, syn,anti-, syn,anti,syn-, anti,syn-, anti,syn,syn-, and anti,syn,anti-oxazines. By integrating oxazine chemistry with established and innovative transformations, this approach enabled the synthesis of 30 polyhydroxylated amines across various studies conducted between 2007 and 2022.
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Affiliation(s)
- Seokhwi Park
- YS Life Science Co., Ltd, 207, Sujeong-ro, Jangan-myeon, Hwaseong-si, Gyeonggi-do, 18581, Republic of Korea.
| | - In-Soo Myeong
- College of Pharmacy, Daegu Catholic University, 13-13, Hayang-ro, Hayang-eup, Gyeongsan-si, Gyeongsangbuk-do, 38430, Republic of Korea.
| | - Won-Hun Ham
- YS Life Science Co., Ltd, 207, Sujeong-ro, Jangan-myeon, Hwaseong-si, Gyeonggi-do, 18581, Republic of Korea.
- School of Pharmacy, Sungkyunkwan University, 2066, Seobu-ro, Suwon-si, Gyeonggi-do, 16419, Republic of Korea
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Mohammadi Ziarani G, Jamasbi N, Mohajer F. Recent advances on the synthesis of natural pyrrolizidine alkaloids: alexine, and its stereoisomers. NATURAL PRODUCTS AND BIOPROSPECTING 2022; 12:3. [PMID: 35129687 PMCID: PMC8821751 DOI: 10.1007/s13659-022-00324-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Accepted: 12/07/2021] [Indexed: 06/14/2023]
Abstract
Natural products have attracted the interest of the scientific community due to their importance and application. Alexine is a naturally polyhydroxylated pyrrolizidine alkaloid that is broadly found in plant sources and isolated from Alexa leiopetala. The biological properties such as glycosidase inhibitors, anti-virus, and anti-HIV activities, makes it interesting target for synthetical studies. This review reports different approaches and methodologies to the synthesis of alexine, and its stereoisomers as the target compounds in numerous studies.
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Affiliation(s)
- Ghodsi Mohammadi Ziarani
- Department of Chemistry, Faculty of Physics and Chemistry, Alzahra University, P. O. Box 1993893973, Tehran, Iran.
| | - Negar Jamasbi
- Department of Chemistry, Faculty of Physics and Chemistry, Alzahra University, P. O. Box 1993893973, Tehran, Iran
| | - Fatemeh Mohajer
- Department of Chemistry, Faculty of Physics and Chemistry, Alzahra University, P. O. Box 1993893973, Tehran, Iran
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Xavier T, Condon S, Pichon C, Le Gall E, Presset M. Substituted Malonic Acid Half Oxyesters (SMAHOs): Greener Nucleophiles for Organic Synthesis. European J Org Chem 2022. [DOI: 10.1002/ejoc.202101392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Tania Xavier
- ICMPE: Institut de Chimie et des Materiaux Paris-Est C3M FRANCE
| | - Sylvie Condon
- ICMPE: Institut de Chimie et des Materiaux Paris-Est C3M FRANCE
| | | | - Erwan Le Gall
- ICMPE: Institut de Chimie et des Materiaux Paris-Est C3M FRANCE
| | - Marc Presset
- Institut de Chimie et des Materiaux Paris-Est C3M 2-8 Rue Henri Dunant94320 94320 Thiais FRANCE
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Ferjancic Z, Saicic RN. Combining Organocatalyzed Aldolization and Reductive Amination: An Efficient Reaction Sequence for the Synthesis of Iminosugars. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100398] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Zorana Ferjancic
- University of Belgrade – Faculty of Chemistry Studentski trg 16, POB 51 11158 Belgrade 118 Serbia
| | - Radomir N. Saicic
- University of Belgrade – Faculty of Chemistry Studentski trg 16, POB 51 11158 Belgrade 118 Serbia
- Serbian Academy of Sciences and Arts Kneza Mihaila 35 11 000 Belgrade Serbia
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Bin HY, Cheng L, Wu X, Zhu CL, Yang XH, Xie JH, Zhou QL. Asymmetric hydrogenation of exocyclic γ,δ-unsaturated β-ketoesters to functionalized chiral allylic alcohols via dynamic kinetic resolution. Chem Sci 2021; 12:7793-7799. [PMID: 34168833 PMCID: PMC8188505 DOI: 10.1039/d1sc02044g] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 04/28/2021] [Indexed: 12/15/2022] Open
Abstract
An iridium catalyzed asymmetric hydrogenation of racemic exocyclic γ,δ-unsaturated β-ketoesters via dynamic kinetic resolution to functionalized chiral allylic alcohols was developed. With the chiral spiro iridium catalysts Ir-SpiroPAP, a series of racemic exocyclic γ,δ-unsaturated β-ketoesters bearing a five-, six-, or seven-membered ring were hydrogenated to the corresponding functionalized chiral allylic alcohols in high yields with good to excellent enantioselectivities (87 to >99% ee) and cis-selectivities (93 : 7 to >99 : 1). The origin of the excellent stereoselectivity was also rationalized by density functional theory calculations. Furthermore, this protocol could be performed on gram scale and at a lower catalyst loading (0.002 mol%) without the loss of reactivity and enantioselectivity, and has been successfully applied in the enantioselective synthesis of chiral carbocyclic δ-amino esters and the β-galactosidase inhibitor isogalactofagomine.
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Affiliation(s)
- Huai-Yu Bin
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University Tianjin 300071 China
| | - Li Cheng
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University Tianjin 300071 China
| | - Xiong Wu
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University Tianjin 300071 China
| | - Chang-Liang Zhu
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University Tianjin 300071 China
| | - Xiao-Hui Yang
- Advanced Research Institute of Multidisciplinary Science, School of Chemistry and Chemical Engineering, Beijing Institute of Technology Beijing 100081 China
| | - Jian-Hua Xie
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University Tianjin 300071 China
| | - Qi-Lin Zhou
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University Tianjin 300071 China
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Phansavath P, Ratovelomanana-Vidal V, Molina Betancourt R, Echeverria PG, Ayad T. Recent Progress and Applications of Transition-Metal-Catalyzed Asymmetric Hydrogenation and Transfer Hydrogenation of Ketones and Imines through Dynamic Kinetic Resolution. SYNTHESIS-STUTTGART 2020. [DOI: 10.1055/s-0040-1705918] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
AbstractBased on the ever-increasing demand for enantiomerically pure compounds, the development of efficient, atom-economical, and sustainable methods to produce chiral alcohols and amines is a major concern. Homogeneous asymmetric catalysis with transition-metal complexes including asymmetric hydrogenation (AH) and transfer hydrogenation (ATH) of ketones and imines through dynamic kinetic resolution (DKR) allowing the construction of up to three stereogenic centers is the main focus of the present short review, emphasizing the development of new catalytic systems combined to new classes of substrates and their applications as well.1 Introduction2 Asymmetric Hydrogenation via Dynamic Kinetic Resolution2.1 α-Substituted Ketones2.2 α-Substituted β-Keto Esters and Amides2.3 α-Substituted Esters2.4 Imine Derivatives3 Asymmetric Transfer Hydrogenation via Dynamic Kinetic Resolution3.1 α-Substituted Ketones3.2 α-Substituted β-Keto Esters, Amides, and Sulfonamides3.3 α,β-Disubstituted Cyclic Ketones3.4 β-Substituted Ketones3.5 Imine Derivatives4. Conclusion
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Affiliation(s)
- Phannarath Phansavath
- CSB2D Team, Institute of Chemistry for Life & Health Sciences, Chimie ParisTech-CNRS, PSL University
| | | | - Ricardo Molina Betancourt
- CSB2D Team, Institute of Chemistry for Life & Health Sciences, Chimie ParisTech-CNRS, PSL University
| | | | - Tahar Ayad
- CSB2D Team, Institute of Chemistry for Life & Health Sciences, Chimie ParisTech-CNRS, PSL University
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Matassini C, Parmeggiani C, Cardona F. New Frontiers on Human Safe Insecticides and Fungicides: An Opinion on Trehalase Inhibitors. Molecules 2020; 25:E3013. [PMID: 32630325 PMCID: PMC7411730 DOI: 10.3390/molecules25133013] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 06/25/2020] [Accepted: 06/26/2020] [Indexed: 12/28/2022] Open
Abstract
In the era of green economy, trehalase inhibitors represent a valuable chance to develop non-toxic pesticides, being hydrophilic compounds that do not persist in the environment. The lesson on this topic that we learned from the past can be of great help in the research on new specific green pesticides. This review aims to describe the efforts made in the last 50 years in the evaluation of natural compounds and their analogues as trehalase inhibitors, in view of their potential use as insecticides and fungicides. Specifically, we analyzed trehalase inhibitors based on sugars and sugar mimics, focusing on those showing good inhibition properties towards insect trehalases. Despite their attractiveness as a target, up to now there are no trehalase inhibitors that have been developed as commercial insecticides. Although natural complex pseudo di- and trisaccharides were firstly studied to this aim, iminosugars look to be more promising, showing an excellent specificity profile towards insect trehalases. The results reported here represent an overview and a discussion of the best candidates which may lead to the development of an effective insecticide in the future.
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Affiliation(s)
- Camilla Matassini
- Dipartimento di Chimica “Ugo Schiff”, Università degli Studi di Firenze, Via della Lastruccia 3-13, 50019 Sesto Fiorentino, Italy;
| | - Camilla Parmeggiani
- Dipartimento di Chimica “Ugo Schiff”, Università degli Studi di Firenze, Via della Lastruccia 3-13, 50019 Sesto Fiorentino, Italy;
- European Laboratory for Non-linear Spectroscopy via Nello Carrara 1, 50019 Sesto Fiorentino, Italy
| | - Francesca Cardona
- Dipartimento di Chimica “Ugo Schiff”, Università degli Studi di Firenze, Via della Lastruccia 3-13, 50019 Sesto Fiorentino, Italy;
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Yavari I, Sheikhi S, Taheri Z, Halvagar MR. A diastereoselective synthesis of functionalized spiropyrrolizidine-linked rhodanines. MONATSHEFTE FUR CHEMIE 2019. [DOI: 10.1007/s00706-019-02485-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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