1
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Kubyshkin V, Rubini M. Proline Analogues. Chem Rev 2024; 124:8130-8232. [PMID: 38941181 DOI: 10.1021/acs.chemrev.4c00007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/30/2024]
Abstract
Within the canonical repertoire of the amino acid involved in protein biogenesis, proline plays a unique role as an amino acid presenting a modified backbone rather than a side-chain. Chemical structures that mimic proline but introduce changes into its specific molecular features are defined as proline analogues. This review article summarizes the existing chemical, physicochemical, and biochemical knowledge about this peculiar family of structures. We group proline analogues from the following compounds: substituted prolines, unsaturated and fused structures, ring size homologues, heterocyclic, e.g., pseudoproline, and bridged proline-resembling structures. We overview (1) the occurrence of proline analogues in nature and their chemical synthesis, (2) physicochemical properties including ring conformation and cis/trans amide isomerization, (3) use in commercial drugs such as nirmatrelvir recently approved against COVID-19, (4) peptide and protein synthesis involving proline analogues, (5) specific opportunities created in peptide engineering, and (6) cases of protein engineering with the analogues. The review aims to provide a summary to anyone interested in using proline analogues in systems ranging from specific biochemical setups to complex biological systems.
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Affiliation(s)
| | - Marina Rubini
- School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland
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2
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Philippova AN, Vorobyeva DV, Gribanov PS, Dolgushin FM, Osipov SN. Diastereoselective Synthesis of Highly Functionalized Proline Derivatives. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27206898. [PMID: 36296490 PMCID: PMC9609175 DOI: 10.3390/molecules27206898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 10/11/2022] [Accepted: 10/12/2022] [Indexed: 11/08/2022]
Abstract
An efficient way to access highly functionalized proline derivatives was developed based on a Cu(I)-catalyzed reaction between CF3-substituted allenynes and tosylazide, which involved a cascade of [3 + 2]-cycloaddition/ketenimine and a rearrangement/Alder-ene cyclization to afford the new proline framework with a high diastereoselectivity.
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Affiliation(s)
- Anna N. Philippova
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilov str. 28/1, 119334 Moscow, Russia
| | - Daria V. Vorobyeva
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilov str. 28/1, 119334 Moscow, Russia
| | - Pavel S. Gribanov
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilov str. 28/1, 119334 Moscow, Russia
| | - Fedor M. Dolgushin
- N. S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, 31 Leninsky Prosp., 119071 Moscow, Russia
- Plekhanov Russian University of Economics, 36 Stremyanny per., 117997 Moscow, Russia
| | - Sergey N. Osipov
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilov str. 28/1, 119334 Moscow, Russia
- Correspondence: ; Tel.: +7-499-135-1873
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3
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Thadem N, Rajesh M, Balaboina H, Das S. Synthesis of bridgehead-azacycles via dual C-N/C-C annulation of α-amino acids, aminals and maleimides. Org Biomol Chem 2022; 20:6368-6383. [PMID: 35861324 DOI: 10.1039/d2ob01117d] [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
The synthesis of various bridged azacyclic adducts has recently become a reemerging topic due to their bioactive and natural product mimic profiles. Accordingly, herein, we report a method for easy access to succinamide-bridged azacyclic derivatives through the metal-free polarization-controlled dual C-N/C-C annulation of readily available α-amino acids, 2-amino benzaldehydes or pyrrole/indole-2-aldehyde and maleimide substrates. This cascade features a rare dipolarophile-induced diastereo-selective amidative annulation, followed by 3 + 2 cycloaddition as key steps.
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Affiliation(s)
- Nagender Thadem
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500007, India. .,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Manda Rajesh
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500007, India.
| | - Harikrishna Balaboina
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500007, India.
| | - Saibal Das
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500007, India. .,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
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4
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Łowicki D, Przybylski P. Tandem construction of biological relevant aliphatic 5-membered N-heterocycles. Eur J Med Chem 2022; 235:114303. [PMID: 35344904 DOI: 10.1016/j.ejmech.2022.114303] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 03/14/2022] [Accepted: 03/15/2022] [Indexed: 12/20/2022]
Abstract
Nature often uses cascade reactions in a highly stereocontrolled manner for assembly structurally diverse nitrogen-containing heterocyclic scaffolds, i.e. secondary metabolites, important for medicinal chemistry and pharmacy. Five-membered nitrogen-containing heterocycles as standalone rings, as well as spiro and polycyclic systems are pharmacophores of drugs approved in various therapies, i.a. antibacterial or antiviral, antifungal, anticancer, antidiabetic, as they target many key enzymes. Furthermore, a large number of pyrrolidine derivatives are currently considered as drug candidates. Cascade transformations, also known as domino or tandem reactions, offer straightforward methods to build N-heterocyclic libraries of the great structural variety desired for drawing SAR conclusions. The tandem transformations are often atom economic and time-saving because they are performed as the one-pot, so no need for purification after each 'virtual' step and the limited necessity of protective groups are characteristic for these processes. Thus, the same results as in classical multistep synthesis can be achieved at markedly lower costs and shorter time, which is in line with modern green chemistry rules. Great advantage of cascade reactions is often reflected in their high regio- and stereoselectivities, enabling the preparing of the heterocyclic compound better fitted to the expected target in cells. This review reveals the biological relevance of N-heterocyclic scaffolds based on saturated 5-membered rings since we showed a number of examples of approved drugs together with the recent biologically attractive leading structures of drug candidates. Next, novel cascade synthetic procedures, taking into account the structure of the reactants and reaction mechanisms, enabling to obtain biological-relevant heterocyclic frameworks with good yields and relatively high stereoselectivity, were reviewed and compared. The review covers the advances of designing biological active N-heterocycles mainly from 2018 to 2021, whereas the synthetic part is focused on the last 7 years.
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Affiliation(s)
- Daniel Łowicki
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznan, Poland
| | - Piotr Przybylski
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznan, Poland.
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5
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Garsi JB, Aguiar PM, Hanessian S. Design of Pseudodiproline Dimers as Mimetics of Pro-Pro Units: Stereocontrolled Synthesis, Configurational Relevance, and Structural Properties. J Org Chem 2021; 86:16834-16847. [PMID: 34749500 DOI: 10.1021/acs.joc.1c02061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Stereocontrolled methods are described for the synthesis of hitherto unreported pseudodiproline dimers in which a cyclopentane carboxylic acid is linked to a pyrrolidine residue by a stereochemically defined hydroxymethylene tether. These proline-cyclopentane (Pro-Cyp) dimers have interesting structural characteristics as seen in their X-ray crystal structures as well as their nuclear magnetic resonance (NMR) spectra in CDCl3. They can be considered to be novel Pro-Pro mimetics, which can be used to replace natural diproline sequences with potential applications in medicinal chemistry. They also represent a new concept in the peptidomimetic design of chimeric proline-based amino acids as carbocyclic hydroxyethylene isosteres of inhibitor molecules, in which the stereodefined bridging hydroxyl group can simulate a tetrahedral intermediate in an enzyme complex.
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Affiliation(s)
- Jean-Baptiste Garsi
- Department of Chemistry, Université de Montréal, 1375 Ave. Thérèse-Lavoie-Roux, Montréal, H2V 0B3 QC, Canada
| | - Pedro M Aguiar
- Department of Chemistry, Université de Montréal, 1375 Ave. Thérèse-Lavoie-Roux, Montréal, H2V 0B3 QC, Canada
| | - Stephen Hanessian
- Department of Chemistry, Université de Montréal, 1375 Ave. Thérèse-Lavoie-Roux, Montréal, H2V 0B3 QC, Canada
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6
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Chaithanya Kiran IN, Fujita K, Tanaka S, Kitamura M. Asymmetric Synthesis of Multi‐substituted Prolines via a Catalytic 1,3‐Dipolar Cycloaddition Using a Monocationic Zn
II
OAc Complex of a Chiral Bisamidine Ligand, Naph‐diPIM‐dioxo‐R. ChemCatChem 2020. [DOI: 10.1002/cctc.202001202] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | - Kazuki Fujita
- Graduate School of Pharmaceutical Sciences Nagoya University Chikusa Nagoya 464-8601 Japan
| | - Shinji Tanaka
- Research Center for Materials Science Nagoya University Chikusa Nagoya 464-8602 Japan
| | - Masato Kitamura
- Graduate School of Pharmaceutical Sciences Nagoya University Chikusa Nagoya 464-8601 Japan
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7
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Alyabyev SB, Beletskaya IP. Gold as a catalyst. Part III. Addition to double bonds. RUSSIAN CHEMICAL REVIEWS 2020. [DOI: 10.1070/rcr4901] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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8
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Anil SM, Sudhanva MS, Swaroop TR, Vinayaka AC, Rajeev N, Kiran KR, Shobith R, Sadashiva MP. Base Induced Condensation of Malononitrile with Erlenmeyer Azlactones: An Unexpected Synthesis of Multi‐Substituted Δ
2
‐Pyrrolines and Their Cytotoxicity. Chem Biodivers 2020; 17:e2000014. [DOI: 10.1002/cbdv.202000014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Accepted: 03/06/2020] [Indexed: 01/07/2023]
Affiliation(s)
- Seegehalli M. Anil
- Institute of Plant Science ARO, Volcani Center Rishon LeZion 7505101 Israel
| | | | - Toreshettahally R. Swaroop
- Department of Studies in Organic ChemistryUniversity of Mysore, Manasagangothri Mysuru Karnataka 570006 India
| | | | - Narasimhamurthy Rajeev
- Department of Studies in ChemistryUniversity of Mysore, Manasagangothri Mysuru Karnataka 570006 India
| | - Kuppalli R. Kiran
- Department of Studies in ChemistryUniversity of Mysore, Manasagangothri Mysuru Karnataka 570006 India
| | - Rangappa Shobith
- Adichunchanagiri Institute for Molecular Medicine Nagamangala Karnataka 571448 India
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9
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Elbatrawi YM, Pedretty KP, Giddings N, Woodcock HL, Del Valle JR. δ-Azaproline and Its Oxidized Variants. J Org Chem 2020; 85:4207-4219. [DOI: 10.1021/acs.joc.9b03384] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Yassin M. Elbatrawi
- Department of Chemistry & Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Kyle P. Pedretty
- Department of Chemistry, University of South Florida, Tampa, Florida 33620, United States
| | - Nicole Giddings
- Department of Chemistry, University of South Florida, Tampa, Florida 33620, United States
| | - H. Lee Woodcock
- Department of Chemistry, University of South Florida, Tampa, Florida 33620, United States
| | - Juan R. Del Valle
- Department of Chemistry & Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, United States
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10
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Hayama K, Kojima R, Kubota K, Ito H. Synthesis of Chiral N-Heterocyclic Allylboronates via the Enantioselective Borylative Dearomatization of Pyrroles. Org Lett 2020; 22:739-744. [PMID: 31904981 DOI: 10.1021/acs.orglett.9b04581] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Keiichi Hayama
- Division of Applied Chemistry, Graduate School of Engineering, Hokkaido University, Sapporo, Hokkaido 060-8628, Japan
| | - Ryoto Kojima
- Division of Applied Chemistry, Graduate School of Engineering, Hokkaido University, Sapporo, Hokkaido 060-8628, Japan
| | - Koji Kubota
- Division of Applied Chemistry, Graduate School of Engineering, Hokkaido University, Sapporo, Hokkaido 060-8628, Japan
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Sapporo, Hokkaido 060-8628, Japan
| | - Hajime Ito
- Division of Applied Chemistry, Graduate School of Engineering, Hokkaido University, Sapporo, Hokkaido 060-8628, Japan
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Sapporo, Hokkaido 060-8628, Japan
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11
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Kaur N, Grewal P, Bhardwaj P, Devi M, Ahlawat N, Verma Y. Synthesis of five-membered N-heterocycles using silver metal. SYNTHETIC COMMUN 2019. [DOI: 10.1080/00397911.2019.1655767] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Navjeet Kaur
- Department of Chemistry, Banasthali Vidyapith, Banasthali, India
| | - Pooja Grewal
- Department of Chemistry, Banasthali Vidyapith, Banasthali, India
| | - Pranshu Bhardwaj
- Department of Chemistry, Banasthali Vidyapith, Banasthali, India
| | - Meenu Devi
- Department of Chemistry, Banasthali Vidyapith, Banasthali, India
| | - Neha Ahlawat
- Department of Chemistry, Banasthali Vidyapith, Banasthali, India
| | - Yamini Verma
- Department of Chemistry, Banasthali Vidyapith, Banasthali, India
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12
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Abstract
Natural and nonnatural amino acids represent important building blocks for the development of peptidomimetic scaffolds, especially for targeting proteolytic enzymes and for addressing protein–protein interactions. Among all the different amino acids derivatives, proline is particularly relevant in chemical biology and medicinal chemistry due to its secondary structure’s inducing and stabilizing properties. Also, the pyrrolidine ring is a conformationally constrained template that can direct appendages into specific clefts of the enzyme binding site. Thus, many papers have appeared in the literature focusing on the use of proline and its derivatives as scaffolds for medicinal chemistry applications. In this review paper, an insight into the different biological outcomes of d-proline and l-proline in enzyme inhibitors is presented, especially when associated with matrix metalloprotease and metallo-β-lactamase enzymes.
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13
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Abstract
Enantiomerically pure 4-vinylproline (Vyp) was synthesized by a five-step approach from N-(Boc)iodo-alanine (2) featuring copper-catalyzed SN2' substitution of the corresponding zincate onto ( Z)-1,4-dichlorobut-2-ene to prepare methyl 2- N-(Boc)amino-4-(chloromethyl)hexenoate (3). Intra- and intermolecular displacement of the chloride provided respectively Vyp and methyl 2- N-(Boc)amino-4-(azidomethyl)hexenoate (7) suitable for the synthesis of constrained peptide analogs.
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Affiliation(s)
- Ramakotaiah Mulamreddy
- Département de Chimie , Université de Montréal , P.O. Box 6128, Station Centre-ville , Montréal , Québec H3C 3J7 , Canada
| | - N D Prasad Atmuri
- Département de Chimie , Université de Montréal , P.O. Box 6128, Station Centre-ville , Montréal , Québec H3C 3J7 , Canada
| | - William D Lubell
- Département de Chimie , Université de Montréal , P.O. Box 6128, Station Centre-ville , Montréal , Québec H3C 3J7 , Canada
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14
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Wang D, Liu W, Hong Y, Tong X. Phosphine-Catalyzed (3 + 2) Annulation of δ-Acetoxy Allenoates with 2-Sulfonamidomalonate: Synthesis of Highly Substituted 3-Pyrrolines and Mechanistic Insight. Org Lett 2018; 20:5002-5005. [DOI: 10.1021/acs.orglett.8b02156] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Dong Wang
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, 1 Gehu Road, Changzhou, 213164, China
| | - Wei Liu
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, 1 Gehu Road, Changzhou, 213164, China
| | - Yang Hong
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, 1 Gehu Road, Changzhou, 213164, China
| | - Xiaofeng Tong
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, 1 Gehu Road, Changzhou, 213164, China
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15
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Adamska-Bartłomiejczyk A, Borics A, Tömböly C, Dvorácskó S, Lisowski M, Kluczyk A, Wołczański G, Piekielna-Ciesielska J, Janecka A. Synthesis, receptor binding studies, optical spectroscopic and in silico structural characterization of morphiceptin analogs with cis-4-amino-L-proline residues. J Pept Sci 2017; 23:864-870. [PMID: 29110363 DOI: 10.1002/psc.3050] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Revised: 09/26/2017] [Accepted: 10/04/2017] [Indexed: 01/10/2023]
Abstract
Three novel morphiceptin analogs, in which Pro in position 2 and/or 4 was replaced by cis-4-aminoproline connected with the preceding amino acid through the primary amino group, were synthesized. The opioid receptor affinities, functional assay results, enzymatic degradation studies and experimental and in silico structural analysis of such analogs are presented. Copyright © 2017 European Peptide Society and John Wiley & Sons, Ltd.
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Affiliation(s)
- Anna Adamska-Bartłomiejczyk
- Department of Biomolecular Chemistry, Faculty of Medicine, Medical University of Lodz, Mazowiecka 6/8, 92-215, Lodz, Poland
| | - Attila Borics
- Laboratory of Chemical Biology, Institute of Biochemistry, Biological Research Centre, Hungarian Academy of Sciences, Temesvári krt. 62, H-6726, Szeged, Hungary
| | - Csaba Tömböly
- Laboratory of Chemical Biology, Institute of Biochemistry, Biological Research Centre, Hungarian Academy of Sciences, Temesvári krt. 62, H-6726, Szeged, Hungary
| | - Szabolcs Dvorácskó
- Laboratory of Chemical Biology, Institute of Biochemistry, Biological Research Centre, Hungarian Academy of Sciences, Temesvári krt. 62, H-6726, Szeged, Hungary
| | - Marek Lisowski
- Faculty of Chemistry, University of Wroclaw, F. Joliot-Curie 14, 50-383, Wroclaw, Poland
| | - Alicja Kluczyk
- Faculty of Chemistry, University of Wroclaw, F. Joliot-Curie 14, 50-383, Wroclaw, Poland
| | - Grzegorz Wołczański
- Faculty of Chemistry, University of Wroclaw, F. Joliot-Curie 14, 50-383, Wroclaw, Poland
| | - Justyna Piekielna-Ciesielska
- Department of Biomolecular Chemistry, Faculty of Medicine, Medical University of Lodz, Mazowiecka 6/8, 92-215, Lodz, Poland
| | - Anna Janecka
- Department of Biomolecular Chemistry, Faculty of Medicine, Medical University of Lodz, Mazowiecka 6/8, 92-215, Lodz, Poland
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16
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Synthesis of 2,3-dihydropyrroles by photo rearrangement of Hantzsch 1,4-dihydropyridines with high diastereoselectivity. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.02.041] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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17
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Zhou X, Huang C, Zeng Y, Xiong J, Xiao Y, Zhang J. Silver-catalysed tandem hydroamination and cyclization of 2-trifluoromethyl-1,3-enynes with primary amines: modular entry to 4-trifluoromethyl-3-pyrrolines. Chem Commun (Camb) 2017; 53:1084-1087. [DOI: 10.1039/c6cc09595j] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A highly efficient AgNO3-catalyzed tandem intermolecular hydroamination and cyclization reaction of 2-trifluoromethyl-1,3-enynes with primary amines leading to 4-trifluoromethyl-3-pyrrolines under mild conditions was developed.
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Affiliation(s)
- Xiaofan Zhou
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai
- P. R. China
| | - Chaoqian Huang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai
- P. R. China
| | - Yu Zeng
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai
- P. R. China
| | - Jiarui Xiong
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai
- P. R. China
| | - Yuanjing Xiao
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai
- P. R. China
| | - Junliang Zhang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai
- P. R. China
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18
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Kubyshkin V, Kheylik Y, Mykhailiuk PK. Synthesis and studies on gem-fluorinated 2-azabicyclo[n.1.0]alkanes. J Fluor Chem 2015. [DOI: 10.1016/j.jfluchem.2015.03.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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19
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Chen J, Li J, Wang J, Li H, Wang W, Guo Y. Phosphine-Catalyzed Aza-MBH Reactions of Vinylpyridines: Efficient and Rapid Access to 2,3,5-Triarylsubstituted 3-Pyrrolines. Org Lett 2015; 17:2214-7. [DOI: 10.1021/acs.orglett.5b00811] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Jing Chen
- State Key Laboratory
of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
| | - Jianjun Li
- Shanghai
Key Laboratory of New Drug Design, School of Pharmacy, and State Key
Laboratory of Bioengineering Reactor, East China University of Science and Technology, 130 Mei-long Road, Shanghai 200237, China
| | - Jiazhe Wang
- Shanghai
Key Laboratory of New Drug Design, School of Pharmacy, and State Key
Laboratory of Bioengineering Reactor, East China University of Science and Technology, 130 Mei-long Road, Shanghai 200237, China
| | - Hao Li
- Shanghai
Key Laboratory of New Drug Design, School of Pharmacy, and State Key
Laboratory of Bioengineering Reactor, East China University of Science and Technology, 130 Mei-long Road, Shanghai 200237, China
| | - Wei Wang
- Shanghai
Key Laboratory of New Drug Design, School of Pharmacy, and State Key
Laboratory of Bioengineering Reactor, East China University of Science and Technology, 130 Mei-long Road, Shanghai 200237, China
- Department
of Chemistry and Chemical Biology, University of New Mexico, Albuquerque, New Mexico 87131-0001, United States
| | - Yuewei Guo
- State Key Laboratory
of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
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20
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Miura T, Tanaka T, Matsumoto K, Murakami M. One-Pot Synthesis of 2,5-Dihydropyrroles from Terminal Alkynes, Azides, and Propargylic Alcohols by Relay Actions of Copper, Rhodium, and Gold. Chemistry 2014; 20:16078-82. [DOI: 10.1002/chem.201405357] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2014] [Indexed: 12/20/2022]
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21
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Native peptide folding dominates over stereoelectronic effects of prolyl hydroxylation in loop 5 of the macrocyclic peptide kalata B1. Tetrahedron 2014. [DOI: 10.1016/j.tet.2014.06.058] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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22
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Morin MST, Arndtsen BA. Chiral Phosphorus-Based 1,3-Dipoles: A Modular Approach to Enantioselective 1,3-Dipolar Cycloaddition and Polycyclic 2-Pyrroline Synthesis. Org Lett 2014; 16:1056-9. [PMID: 24502319 DOI: 10.1021/ol4035512] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Marie S. T. Morin
- Department of Chemistry, McGill University, 801 Sherbrooke Street West, Montréal, QC, H3A 0B8, Canada
| | - Bruce A. Arndtsen
- Department of Chemistry, McGill University, 801 Sherbrooke Street West, Montréal, QC, H3A 0B8, Canada
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Davies SG, Foster EM, Lee JA, Roberts PM, Thomson JE. Asymmetric syntheses of dihydroxyhomoprolines via doubly diastereoselective lithium amide conjugate addition reactions. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.07.096] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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24
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Pandey AK, Naduthambi D, Thomas KM, Zondlo NJ. Proline editing: a general and practical approach to the synthesis of functionally and structurally diverse peptides. Analysis of steric versus stereoelectronic effects of 4-substituted prolines on conformation within peptides. J Am Chem Soc 2013; 135:4333-63. [PMID: 23402492 PMCID: PMC4209921 DOI: 10.1021/ja3109664] [Citation(s) in RCA: 138] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Functionalized proline residues have diverse applications. Herein we describe a practical approach, proline editing, for the synthesis of peptides with stereospecifically modified proline residues. Peptides are synthesized by standard solid-phase peptide synthesis to incorporate Fmoc-hydroxyproline (4R-Hyp). In an automated manner, the Hyp hydroxyl is protected and the remainder of the peptide synthesized. After peptide synthesis, the Hyp protecting group is orthogonally removed and Hyp selectively modified to generate substituted proline amino acids, with the peptide main chain functioning to "protect" the proline amino and carboxyl groups. In a model tetrapeptide (Ac-TYPN-NH2), 4R-Hyp was stereospecifically converted to 122 different 4-substituted prolyl amino acids, with 4R or 4S stereochemistry, via Mitsunobu, oxidation, reduction, acylation, and substitution reactions. 4-Substituted prolines synthesized via proline editing include incorporated structured amino acid mimetics (Cys, Asp/Glu, Phe, Lys, Arg, pSer/pThr), recognition motifs (biotin, RGD), electron-withdrawing groups to induce stereoelectronic effects (fluoro, nitrobenzoate), handles for heteronuclear NMR ((19)F:fluoro; pentafluorophenyl or perfluoro-tert-butyl ether; 4,4-difluoro; (77)SePh) and other spectroscopies (fluorescence, IR: cyanophenyl ether), leaving groups (sulfonate, halide, NHS, bromoacetate), and other reactive handles (amine, thiol, thioester, ketone, hydroxylamine, maleimide, acrylate, azide, alkene, alkyne, aryl halide, tetrazine, 1,2-aminothiol). Proline editing provides access to these proline derivatives with no solution-phase synthesis. All peptides were analyzed by NMR to identify stereoelectronic and steric effects on conformation. Proline derivatives were synthesized to permit bioorthogonal conjugation reactions, including azide-alkyne, tetrazine-trans-cyclooctene, oxime, reductive amination, native chemical ligation, Suzuki, Sonogashira, cross-metathesis, and Diels-Alder reactions. These proline derivatives allowed three parallel bioorthogonal reactions to be conducted in one solution.
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Affiliation(s)
- Anil K. Pandey
- Department of Chemistry and Biochemistry, University of Delaware, Newark DE 19716
| | - Devan Naduthambi
- Department of Chemistry and Biochemistry, University of Delaware, Newark DE 19716
| | - Krista M. Thomas
- Department of Chemistry and Biochemistry, University of Delaware, Newark DE 19716
| | - Neal J. Zondlo
- Department of Chemistry and Biochemistry, University of Delaware, Newark DE 19716
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25
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Khangarot RK, Kaliappan KP. Stereoselective Synthesis of Trifluoromethyl Analogues of Polyhydroxypyrrolidines. European J Org Chem 2013. [DOI: 10.1002/ejoc.201201599] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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26
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Morin MST, Aly S, Arndtsen BA. Phosphonite mediated 1,3-dipolar cycloaddition: a route to polycyclic 2-pyrrolines from imines, acid chlorides and alkenes. Chem Commun (Camb) 2013; 49:883-5. [DOI: 10.1039/c2cc38274a] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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27
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28
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Park HS, Byun BJ, Motooka D, Kawahara K, Doi M, Nakazawa T, Kobayashi Y, Kang YK. Conformational preferences of 4-chloroproline residues. Biopolymers 2012; 97:629-41. [DOI: 10.1002/bip.22054] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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29
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Naziga EB, Schweizer F, Wetmore SD. Conformational Study of the Hydroxyproline–O–Glycosidic Linkage: Sugar–Peptide Orientation and Prolyl Amide Isomerization in (α/β)–Galactosylated 4(R/S)–Hydroxyproline. J Phys Chem B 2012; 116:860-71. [DOI: 10.1021/jp207479q] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Emmanuel B. Naziga
- Department of Chemistry and Biochemistry, University of Lethbridge, 4401 University Drive, Lethbridge, Alberta, Canada T1K 3M4
| | - Frank Schweizer
- Department of Chemistry, University of Manitoba, Winnipeg, Manitoba, Canada R3T 2N2
| | - Stacey D. Wetmore
- Department of Chemistry and Biochemistry, University of Lethbridge, 4401 University Drive, Lethbridge, Alberta, Canada T1K 3M4
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30
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Zhang DH, Zhang Z, Shi M. Transition metal-catalyzed carbocyclization of nitrogen and oxygen-tethered 1,n-enynes and diynes: synthesis of five or six-membered heterocyclic compounds. Chem Commun (Camb) 2012; 48:10271-9. [DOI: 10.1039/c2cc34739c] [Citation(s) in RCA: 80] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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31
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De Marco R, Tolomelli A, Campitiello M, Rubini P, Gentilucci L. Expedient synthesis of pseudo-Pro-containing peptides: towards constrained peptidomimetics and foldamers. Org Biomol Chem 2012; 10:2307-17. [DOI: 10.1039/c2ob07172j] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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32
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Taylor CM, Karunaratne CV, Xie N. Glycosides of hydroxyproline: some recent, unusual discoveries. Glycobiology 2011; 22:757-67. [PMID: 22190471 DOI: 10.1093/glycob/cwr188] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Glycosides of hydroxyproline (Hyp) in the plant cell wall matrix were discovered by Lamport and co-workers in the 1960s. Since then, much has been learned about these Hyp-rich glycoproteins. The intent of this review was to compare and contrast some less common structural motifs, in nontraditional roles, to uncover themes. Arabinosylation of short-peptide plant hormones is essential for growth, cell differentiation and defense. In a very recent development, prolyl hydroxylase and arabinosyltransferase activity has been shown to have a direct impact on the growth of root hairs in Arabidopsis thaliana. Pollen allergens of mugwort and ragweed contain proline-rich domains that are hydroxylated and glycosylated and play a structural role. In the case of mugwort, this domain also presents a significant immunogenic epitope. Major crops, including tobacco and maize, have been used to express and produce recombinant proteins of mammalian origin. The risks of plant-imposed glycosylation are discussed. In unicellular eukaryotes, Skp1 (a subunit of the E3(SCF) ubiquitin ligase complex) harbors a key Hyp residue that is modified by a linear pentasaccharide. These modifications may be involved in sensing oxygen levels. A few studies have probed the impact of glycosylation on the structure of Hyp-containing peptides. These have necessarily looked at small, synthetic molecules, since natural peptides and proteins are often isolable in only minuscule amounts and/or are heterogeneous in nature. The characterization of native structural motifs, together with the determination of glycopeptide conformation and properties, holds the key to rationalizing nature's architectural design.
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Affiliation(s)
- Carol M Taylor
- Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, USA.
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33
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Hamed RB, Henry L, Gomez-Castellanos JR, Mecinović J, Ducho C, Sorensen JL, Claridge TDW, Schofield CJ. Crotonase Catalysis Enables Flexible Production of Functionalized Prolines and Carbapenams. J Am Chem Soc 2011; 134:471-9. [DOI: 10.1021/ja208318d] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Refaat B. Hamed
- Department of Chemistry, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
- Department of Pharmacognosy, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt
| | - Luc Henry
- Department of Chemistry, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
| | | | - Jasmin Mecinović
- Department of Chemistry, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - Christian Ducho
- Department of Chemistry, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - John L. Sorensen
- Department of Chemistry, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - Timothy D. W. Claridge
- Department of Chemistry, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - Christopher J. Schofield
- Department of Chemistry, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
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34
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Ranatunga S, Kim JS, Pal U, Del Valle JR. An Ester Enolate–Claisen Rearrangement Route to Substituted 4-Alkylideneprolines. Studies toward a Definitive Structural Revision of Lucentamycin A. J Org Chem 2011; 76:8962-76. [DOI: 10.1021/jo201727g] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Sujeewa Ranatunga
- Drug Discovery Department, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida 33612, United
States
- Department of Chemistry
and Biochemistry, New Mexico State University, Las Cruces, New Mexico 88003, United States
| | - Jinsoo S. Kim
- Drug Discovery Department, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida 33612, United
States
| | - Ujjwal Pal
- Drug Discovery Department, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida 33612, United
States
| | - Juan R. Del Valle
- Drug Discovery Department, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida 33612, United
States
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35
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Kalamkar NB, Puranik VG, Dhavale DD. Synthesis of C1- and C8a-epimers of (+)-castanospermine from d-glucose derived γ,δ-epoxyazide: intramolecular 5-endo epoxide opening approach. Tetrahedron 2011. [DOI: 10.1016/j.tet.2011.02.030] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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36
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Brichacek M, Villalobos MN, Plichta A, Njardarson JT. Stereospecific ring expansion of chiral vinyl aziridines. Org Lett 2011; 13:1110-3. [PMID: 21309528 PMCID: PMC3072884 DOI: 10.1021/ol200263g] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
In this report, it is demonstrated that chiral vinyl aziridines can be stereospecifically ring expanded. This synthetic approach allows controlled access to chiral 2,5-cis- or 2,5-trans-3-pyrroline products from starting materials with the appropriate aziridine geometry. Twenty three ring expansion examples, most of which feature a stereospecific cyclization, are presented.
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Affiliation(s)
- Matthew Brichacek
- Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, NY 14853
| | | | - Alexandra Plichta
- Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, NY 14853
| | - Jon T. Njardarson
- Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, NY 14853
- University of Arizona, Department of Chemistry and Biochemistry, 1306 East University Blvd., Tucson, AZ 85721
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37
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Zhang DH, Yao LF, Wei Y, Shi M. Gold(I)-catalyzed cycloisomerization of 1,6-diynes: synthesis of 2,3-disubstituted 3-pyrroline derivatives. Angew Chem Int Ed Engl 2011; 50:2583-7. [PMID: 21370342 DOI: 10.1002/anie.201006969] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2010] [Indexed: 11/10/2022]
Affiliation(s)
- Di-Han Zhang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
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38
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Zhang DH, Yao LF, Wei Y, Shi M. Gold(I)-Catalyzed Cycloisomerization of 1,6-Diynes: Synthesis of 2,3-Disubstituted 3-Pyrroline Derivatives. Angew Chem Int Ed Engl 2011. [DOI: 10.1002/ange.201006969] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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39
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Kudryavtsev KV, Zagulyaeva AA. 1,3-dipolar cycloaddition of schriff bases and electron-deficient alkenes, catalyzed by α-Amino acids. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2011. [DOI: 10.1134/s1070428008030123] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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40
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41
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Cipolla L, Airoldi C, Bini D, Gregori M, Marcelo F, Jiménez-Barbero J, Nicotra F. Fructose-Based Proline Analogues: Exploring the Prolyl trans/cis-Amide Rotamer Population in Model Peptides. European J Org Chem 2010. [DOI: 10.1002/ejoc.201000983] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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42
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Revilla-López G, Torras J, Curcó D, Casanovas J, Calaza MI, Zanuy D, Jiménez AI, Cativiela C, Nussinov R, Grodzinski P, Alemán C. NCAD, a database integrating the intrinsic conformational preferences of non-coded amino acids. J Phys Chem B 2010; 114:7413-22. [PMID: 20455555 PMCID: PMC2896893 DOI: 10.1021/jp102092m] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Peptides and proteins find an ever-increasing number of applications in the biomedical and materials engineering fields. The use of non-proteinogenic amino acids endowed with diverse physicochemical and structural features opens the possibility to design proteins and peptides with novel properties and functions. Moreover, non-proteinogenic residues are particularly useful to control the three-dimensional arrangement of peptidic chains, which is a crucial issue for most applications. However, information regarding such amino acids--also called non-coded, non-canonical, or non-standard--is usually scattered among publications specialized in quite diverse fields as well as in patents. Making all these data useful to the scientific community requires new tools and a framework for their assembly and coherent organization. We have successfully compiled, organized, and built a database (NCAD, Non-Coded Amino acids Database) containing information about the intrinsic conformational preferences of non-proteinogenic residues determined by quantum mechanical calculations, as well as bibliographic information about their synthesis, physical and spectroscopic characterization, conformational propensities established experimentally, and applications. The architecture of the database is presented in this work together with the first family of non-coded residues included, namely, alpha-tetrasubstituted alpha-amino acids. Furthermore, the NCAD usefulness is demonstrated through a test-case application example.
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Affiliation(s)
- Guillem Revilla-López
- Departament d’Enginyeria Química, E. T. S. d’Enginyeria Industrial de Barcelona, Universitat Politècnica de Catalunya, Diagonal 647, 08028 Barcelona, Spain
| | - Juan Torras
- Departament d’Enginyeria Química, EUETII, Universitat Politècnica de Catalunya, Pça Rei 15, Igualada 08700, Spain
| | - David Curcó
- Departament d’Enginyeria Química, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1, Barcelona E-08028, Spain
| | - Jordi Casanovas
- Departament de Química, Escola Politècnica Superior, Universitat de Lleida, c/ Jaume II n°69, Lleida E-25001, Spain
| | - M. Isabel Calaza
- Departamento de Química Orgánica, Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza – CSIC, 50009 Zaragoza, Spain
| | - David Zanuy
- Departament d’Enginyeria Química, E. T. S. d’Enginyeria Industrial de Barcelona, Universitat Politècnica de Catalunya, Diagonal 647, 08028 Barcelona, Spain
| | - Ana I. Jiménez
- Departamento de Química Orgánica, Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza – CSIC, 50009 Zaragoza, Spain
| | - Carlos Cativiela
- Departamento de Química Orgánica, Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza – CSIC, 50009 Zaragoza, Spain
| | - Ruth Nussinov
- Basic Science Program, SAIC-Frederick, Inc. Center for Cancer Research Nanobiology Program, NCI, Frederick, MD 21702, USA
- Department of Human Genetics Sackler, Medical School, Tel Aviv University, Tel Aviv 69978, Israel
| | - Piotr Grodzinski
- Alliance for Nanotechnology in Cancer, National Cancer Institute, Bethesda, MD 20892, USA
| | - Carlos Alemán
- Departament d’Enginyeria Química, E. T. S. d’Enginyeria Industrial de Barcelona, Universitat Politècnica de Catalunya, Diagonal 647, 08028 Barcelona, Spain
- Center for Research in Nano-Engineering, Universitat Politècnica de Catalunya, Campus Sud, Edifici C’, C/Pasqual i Vila s/n, Barcelona E-08028, Spain
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43
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Owens NW, Lee A, Marat K, Schweizer F. The implications of (2S,4S)-hydroxyproline 4-O-glycosylation for prolyl amide isomerization. Chemistry 2009; 15:10649-57. [PMID: 19739208 DOI: 10.1002/chem.200900844] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
The conformations of peptides and proteins are often influenced by glycans O-linked to serine (Ser) or threonine (Thr). (2S,4R)-4-Hydroxyproline (Hyp), together with L-proline (Pro), are interesting targets for O-glycosylation because they have a unique influence on peptide and protein conformation. In previous work we found that glycosylation of Hyp does not affect the N-terminal amide trans/cis ratios (K(trans/cis)) or the rates of amide isomerization in model amides. The stereoisomer of Hyp--(2S,4S)-4-hydroxyproline (hyp)--is rarely found in nature, and has a different influence both on the conformation of the pyrrolidine ring and on K(trans/cis). Glycans attached to hyp would be expected to be projected from the opposite face of the prolyl side chain relative to Hyp; the impact this would have on K(trans/cis) was unknown. Measurements of (3)J coupling constants indicate that the glycan has little impact on the C(gamma)-endo conformation produced by hyp. As a result, it was found that the D-galactose residue extending from a C(gamma)-endo pucker affects both K(trans/cis) and the rate of isomerization, which is not found to occur when it is projected from a C(gamma)-exo pucker; this reflects the different environments delineated by the proline side chain. The enthalpic contributions to the stabilization of the trans amide isomer may be due to disruption of intramolecular interactions present in hyp; the change in enthalpy is balanced by a decrease in entropy incurred upon glycosylation. Because the different stereoisomers--Hyp and hyp--project the O-linked carbohydrates in opposite spatial orientations, these glycosylated amino acids may be useful for understanding of how the projection of a glycan from the peptide or protein backbone exerts its influence.
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Affiliation(s)
- Neil W Owens
- Department of Chemistry, University of Manitoba, Winnipeg, Manitoba, R3T 2N2, Canada
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44
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Pal U, Ranatunga S, Ariyarathna Y, Del Valle JR. Total Synthesis of the Putative Structure of Lucentamycin A. Org Lett 2009; 11:5298-301. [DOI: 10.1021/ol902251c] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ujjwal Pal
- Drug Discovery Department, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida 33612, and Department of Chemistry and Biochemistry, New Mexico State University, Las Cruces, New Mexico 88003
| | - Sujeewa Ranatunga
- Drug Discovery Department, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida 33612, and Department of Chemistry and Biochemistry, New Mexico State University, Las Cruces, New Mexico 88003
| | - Yamuna Ariyarathna
- Drug Discovery Department, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida 33612, and Department of Chemistry and Biochemistry, New Mexico State University, Las Cruces, New Mexico 88003
| | - Juan R. Del Valle
- Drug Discovery Department, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida 33612, and Department of Chemistry and Biochemistry, New Mexico State University, Las Cruces, New Mexico 88003
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45
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Grauer A, König B. Peptidomimetics – A Versatile Route to Biologically Active Compounds. European J Org Chem 2009. [DOI: 10.1002/ejoc.200900599] [Citation(s) in RCA: 195] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Andreas Grauer
- Institute für Organische Chemie, Universität Regensburg, 93040 Regensburg, Germany, Fax: +49‐941‐943‐1717
| | - Burkhard König
- Institute für Organische Chemie, Universität Regensburg, 93040 Regensburg, Germany, Fax: +49‐941‐943‐1717
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46
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Gouault N, Le Roch M, Cornée C, David M, Uriac P. Synthesis of Substituted Pyrrolin-4-ones from Amino Acids in Mild Conditions via a Gold-Catalyzed Approach. J Org Chem 2009; 74:5614-7. [DOI: 10.1021/jo900693a] [Citation(s) in RCA: 56] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Nicolas Gouault
- EA Substances Lichéniques et Photoprotection, Université de Rennes1, 2 avenue du Pr. Léon Bernard, 35043 Rennes Cedex, France
| | - Myriam Le Roch
- EA Substances Lichéniques et Photoprotection, Université de Rennes1, 2 avenue du Pr. Léon Bernard, 35043 Rennes Cedex, France
| | - Carole Cornée
- EA Substances Lichéniques et Photoprotection, Université de Rennes1, 2 avenue du Pr. Léon Bernard, 35043 Rennes Cedex, France
| | - Michèle David
- EA Substances Lichéniques et Photoprotection, Université de Rennes1, 2 avenue du Pr. Léon Bernard, 35043 Rennes Cedex, France
| | - Philippe Uriac
- EA Substances Lichéniques et Photoprotection, Université de Rennes1, 2 avenue du Pr. Léon Bernard, 35043 Rennes Cedex, France
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47
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Abstract
The synthesis of a highly constrained quaternary carbocyclic α-amino acid, (+)-N-Boc-bicycloproline, has been achieved starting from sodium cyclopentadienylide. Key steps include a rhodium-catalyzed nitrenoid C-H insertion to install the tert-alkylamine and a ring-closing metathesis reaction to form the pyrrolidine ring.
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Affiliation(s)
- Sujeewa Ranatunga
- Department of Chemistry and Biochemistry, New Mexico State University, Las Cruces, NM 88003
| | - Juan R. Del Valle
- Drug Discovery Department, Moffitt Cancer Center, 12902 Magnolia Drive, Tampa, FL 33647, USA
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48
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Synthesis of 5-substituted-3,4-dihydroxycyanopyrrolidines. An easy access to polyhydroxyprolines. Tetrahedron 2009. [DOI: 10.1016/j.tet.2009.01.108] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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49
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Brichacek M, Lee D, Njardarson JT. Lewis acid catalyzed [1,3]-sigmatropic rearrangement of vinyl aziridines. Org Lett 2008; 10:5023-6. [PMID: 18841992 PMCID: PMC2646081 DOI: 10.1021/ol802123e] [Citation(s) in RCA: 71] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
This paper details the copper-catalyzed ring expansion of vinyl aziridines to 3-pyrrolines. Broad substrate scope (24 examples) using tosyl- and phthalimide-protected vinyl aziridine substrates is observed. Cu(hfacac)2 was determined to be superior to all other catalysts tested.
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Affiliation(s)
- Matthew Brichacek
- Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University Ithaca, New York 14853-1301
| | - DongEun Lee
- Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University Ithaca, New York 14853-1301
| | - Jon T. Njardarson
- Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University Ithaca, New York 14853-1301
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50
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The effects of betonicine, floridoside, and isethionic acid from the red alga Ahnfeltiopsis flabelliformis on quorum-sensing activity. BIOTECHNOL BIOPROC E 2008. [DOI: 10.1007/s12257-008-0145-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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