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Larghi EL, Bracca ABJ, Simonetti SO, Kaufman TS. Relevant Developments in the Use of Three-Component Reactions for the Total Synthesis of Natural Products. The last 15 Years. ChemistryOpen 2024; 13:e202300306. [PMID: 38647363 PMCID: PMC11095226 DOI: 10.1002/open.202300306] [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: 12/14/2023] [Revised: 03/26/2024] [Indexed: 04/25/2024] Open
Abstract
Multicomponent reactions (MCRs) offer a highly useful and valuable strategy that can fulfill an important role in synthesizing complex polysubstituted compounds, by simplifying otherwise long sequences and increasing their efficiency. The total synthesis of selected natural products employing three-component reactions as their common strategic MCR approach, is reviewed on a case-by-case basis with selected targets conquered during the last 15 years. The revision includes detailed descriptions of the selected successful sequences; relevant information on the isolation, and bioactivity of the different natural targets is also briefly provided.
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Affiliation(s)
- Enrique L. Larghi
- Instituto de Química Rosario IQUIR (CONICET-UNR)Facultad de Ciencias Bioquímicas y FarmacéuticasUniversidad Nacional de Rosario (UNR)Suipacha 5312000RosarioArgentina
| | - Andrea B. J. Bracca
- Instituto de Química Rosario IQUIR (CONICET-UNR)Facultad de Ciencias Bioquímicas y FarmacéuticasUniversidad Nacional de Rosario (UNR)Suipacha 5312000RosarioArgentina
| | - Sebastian O. Simonetti
- Instituto de Química Rosario IQUIR (CONICET-UNR)Facultad de Ciencias Bioquímicas y FarmacéuticasUniversidad Nacional de Rosario (UNR)Suipacha 5312000RosarioArgentina
| | - Teodoro S. Kaufman
- Instituto de Química Rosario IQUIR (CONICET-UNR)Facultad de Ciencias Bioquímicas y FarmacéuticasUniversidad Nacional de Rosario (UNR)Suipacha 5312000RosarioArgentina
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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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3
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Zhao Y, Ding Y, Peng Y, Wang Y, Han S, Zhu L, Huang SH, Hong R. Total Synthesis of Immunosuppressive Mycestericin E and G Enabled by a Highly Stereoselective Nitroso-Ene Cyclization. Org Lett 2023; 25:3497-3501. [PMID: 37154579 DOI: 10.1021/acs.orglett.3c01082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
This report describes a streamlined synthesis of immunosuppressive mycestericin E and G through a highly stereoselective nitroso-ene cyclization in 11-12 steps using readily available materials. The stereochemical outcome in the formation of a Nα-quaternary stereogenic center is rationalized by a trajectory based on the polar diradical intermediate and subsequent hydrogen transfer. Julia olefination offers a facile chain elongation method that presents a viable strategy for structural derivatization in future medicinal applications.
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Affiliation(s)
- Yao Zhao
- School of Environmental and Chemical Engineering, Shanghai Institute of Technology, Shanghai 201418, PR China
| | - Yuzhen Ding
- Innovation Research Institute of Traditional Chinese Medicine (IRI), Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai 201203, PR China
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, PR China
| | - Yalan Peng
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, PR China
| | - Yang Wang
- School of Environmental and Chemical Engineering, Shanghai Institute of Technology, Shanghai 201418, PR China
| | - Shiqing Han
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, PR China
| | - Lili Zhu
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, PR China
| | - Sha-Hua Huang
- School of Environmental and Chemical Engineering, Shanghai Institute of Technology, Shanghai 201418, PR China
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, PR China
| | - Ran Hong
- Innovation Research Institute of Traditional Chinese Medicine (IRI), Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai 201203, PR China
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, PR China
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4
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Vargová K, Martinková M, Raschmanová JŠ, Pilátová MB, Kešeľáková A, Jáger D. Straightforward access to novel cytotoxic phytosphingosine-like aminotriols from l-erythrose chiron. Carbohydr Res 2023; 526:108789. [PMID: 36934648 DOI: 10.1016/j.carres.2023.108789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 02/26/2023] [Accepted: 03/10/2023] [Indexed: 03/17/2023]
Abstract
A divergent approach to a small library of long-chain 6-amino-1,4,5-triols as novel phytosphingosine-type entities, together with their preliminary cytotoxic evaluation, was achieved. Construction of the target compounds addressed two key aspects. First, the installation of a carbon-nitrogen bond via two prototypes of [3,3]-sigmatropic rearrangements and second the introduction of an alkyl side chain unit by using a late stage olefin cross-metathesis process. As shown in cell viability experiments, the corresponding HCl salts proved to be the most cytotoxic derivatives among all the tested substances, with IC50 values in the lower micromolar range on the Jurkat, HeLa and HCT-116 cell lines.
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Affiliation(s)
- Kristína Vargová
- Institute of Chemical Sciences, Department of Organic Chemistry, P.J. Šafárik University, Moyzesova 11, 040 01, Košice, Slovak Republic
| | - Miroslava Martinková
- Institute of Chemical Sciences, Department of Organic Chemistry, P.J. Šafárik University, Moyzesova 11, 040 01, Košice, Slovak Republic.
| | - Jana Špaková Raschmanová
- Institute of Chemical Sciences, Department of Organic Chemistry, P.J. Šafárik University, Moyzesova 11, 040 01, Košice, Slovak Republic
| | - Martina Bago Pilátová
- Institute of Pharmacology, Faculty of Medicine, P.J. Šafárik University, SNP 1, 040 66, Košice, Slovak Republic
| | - Alexandra Kešeľáková
- Institute of Pharmacology, Faculty of Medicine, P.J. Šafárik University, SNP 1, 040 66, Košice, Slovak Republic
| | - Dávid Jáger
- Institute of Geotechnics, Slovak Academy of Sciences, Watsonova 45, 040 01, Košice, Slovak Republic
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5
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Pončáková T, Fábian M, Martinková M, Novotná M, Fabišíková M, Tvrdoňová M, Pilátová MB, Nosálová N, Kuchár J, Jáger D, Litecká M. Stereoselective synthesis and anticancer profile of C-alkyl pyrrolidine-diols with a sphingoid base-like backbone. Tetrahedron 2022. [DOI: 10.1016/j.tet.2022.132910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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6
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Da Silva Pinto S, Davies SG, Fletcher AM, Newton SK, Roberts PM, Thomson JE. Short asymmetric syntheses of sphinganine [(2S,3R)-2-aminooctadecane-1,3-diol] and its C(2)-epimer. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2020.152743] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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7
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Synthetic Sphingolipids with 1,2-Pyridazine Appendages Improve Antiproliferative Activity in Human Cancer Cell Lines. ACS Med Chem Lett 2020; 11:686-690. [PMID: 32435371 PMCID: PMC7236038 DOI: 10.1021/acsmedchemlett.9b00553] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Accepted: 02/12/2020] [Indexed: 12/22/2022] Open
Abstract
A synthetic sphingolipid related to a ring-constrained hydroxymethyl pyrrolidine analog of FTY720 that was known to starve cancer cells to death was chemically modified to include a series of alkoxy-tethered 3,6-substituted 1,2-pyridazines. These derivatives exhibited excellent antiproliferative activity against eight human cancer cell lines from four different cancer types. A 2.5- to 9-fold reduction in IC50 in these cell lines was observed relative to the lead compound, which lacked the appended heterocycle.
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8
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Jacková D, Brunderová M, Fábian M, Martinková M, Gonda J, Pilátová MB. Synthesis and anticancer profile of novel sphingoid base-like compounds with a quaternary stereocentre. Carbohydr Res 2019; 487:107862. [PMID: 31734523 DOI: 10.1016/j.carres.2019.107862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 11/05/2019] [Accepted: 11/05/2019] [Indexed: 11/30/2022]
Abstract
The synthesis of novel sphingoid base-like compounds with a quaternary stereocentre was achieved in a sequence featuring [3,3]-sigmatropic rearrangements and olefin cross-metathesis transformation as the key reaction steps, which were accompanied by the rational selection of suitable functional group transformations. The stereochemistry of the desired tetra-substituted carbon bearing nitrogen functionality was determined via NOESY experiments of the advanced oxazolidine-2-thiones. Cell viability experiments revealed significant antiproliferative/cytotoxic activity of the target compounds 7, ent-7 and 29 against the Jurkat cell line, with the IC50 values of 6.6 μM, 5.6 μM and 6.1 μM, respectively.
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Affiliation(s)
- Dominika Jacková
- Institute of Chemical Sciences, Department of Organic Chemistry, P.J. Šafárik University, Moyzesova 11, 040 01, Košice, Slovak Republic
| | - Mária Brunderová
- Institute of Chemical Sciences, Department of Organic Chemistry, P.J. Šafárik University, Moyzesova 11, 040 01, Košice, Slovak Republic
| | - Martin Fábian
- Institute of Chemical Sciences, Department of Organic Chemistry, P.J. Šafárik University, Moyzesova 11, 040 01, Košice, Slovak Republic
| | - Miroslava Martinková
- Institute of Chemical Sciences, Department of Organic Chemistry, P.J. Šafárik University, Moyzesova 11, 040 01, Košice, Slovak Republic.
| | - Jozef Gonda
- Institute of Chemical Sciences, Department of Organic Chemistry, P.J. Šafárik University, Moyzesova 11, 040 01, Košice, Slovak Republic
| | - Martina Bago Pilátová
- Institute of Pharmacology, Faculty of Medicine, P.J. Šafárik University, SNP 1, 040 66, Košice, Slovak Republic
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9
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Design, synthesis and anticancer activity of constrained sphingolipid-phenoxazine/phenothiazine hybrid constructs targeting protein phosphatase 2A. Bioorg Med Chem Lett 2019; 29:2681-2685. [PMID: 31383588 DOI: 10.1016/j.bmcl.2019.07.023] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 07/12/2019] [Accepted: 07/13/2019] [Indexed: 12/13/2022]
Abstract
Inspired by the cytotoxicity of perphenazine toward cancer cells and its ability to activate the serine/threonine protein phosphatase 2A (PP2A), we prepared series of ether-carbon linked analogs of a constrained synthetic sphingolipid analog 3, known for its cytotoxicity, nutrient transporter down-regulation and vacuolation properties, incorporating the tricyclic neuroleptics phenoxazine and phenothiazine to represent hybrid structures with possible synergistic cytotoxic activity. While the original activity of the lead compound 3 was diminished by fusion with the phenoxazine or phenothiazine tethered moieties, the corresponding 3-pyridyltetryl ether analog 10 showed cytotoxicity and nutrient transporter down-regulation similar to the lead compound 3, although it separated these PP2A-dependent phenotypes from that of vacuolation.
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10
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Synthetic analogues of marine cytotoxic jaspine B and its stereoisomers. Carbohydr Res 2019; 482:107737. [PMID: 31325781 DOI: 10.1016/j.carres.2019.06.016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Revised: 06/26/2019] [Accepted: 06/28/2019] [Indexed: 11/23/2022]
Abstract
Synthetic analogues of the cytotoxic jaspine B and its stereochemical congeners have become an attractive target in the synthetic organic community owing to the search for novel therapeutic candidates with more potent anticancer activity, as cancer is the second leading cause of death worldwide. This review article provides insights into the different approaches and strategies available in the literature for the construction of jaspine B-related compounds.
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11
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Gonda J, Fazekašová S, Martinková M, Mitríková T, Roman D, Pilátová MB. Synthesis and biological activity of sphingosines with integrated azobenzene switches. Org Biomol Chem 2019; 17:3361-3373. [DOI: 10.1039/c9ob00137a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The synthesis of photochromic active sphingosine analogues and their antiproliferative activity against seven human cancer cell lines is reported.
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Affiliation(s)
- Jozef Gonda
- Department of Organic Chemistry
- P.J. Šafárik University
- Sk-040 01 Košice
- Slovak Republic
| | - Simona Fazekašová
- Department of Organic Chemistry
- P.J. Šafárik University
- Sk-040 01 Košice
- Slovak Republic
| | - Miroslava Martinková
- Department of Organic Chemistry
- P.J. Šafárik University
- Sk-040 01 Košice
- Slovak Republic
| | - Tatiana Mitríková
- Department of Organic Chemistry
- P.J. Šafárik University
- Sk-040 01 Košice
- Slovak Republic
| | - Dávid Roman
- Chemical Biology of Microbe-Host Interactions
- Leibniz Institute for Natural Product Research and Infection Biology e.V
- Hans-Knöll-Institute (HKI)
- 07745 Jena
- Germany
| | - Martina Bago Pilátová
- Institute of Pharmacology
- Faculty of Medicine
- P.J. Šafárik University
- 040 66 Košice
- Slovak Republic
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12
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Hunter CD, Guo T, Daskhan G, Richards MR, Cairo CW. Synthetic Strategies for Modified Glycosphingolipids and Their Design as Probes. Chem Rev 2018; 118:8188-8241. [DOI: 10.1021/acs.chemrev.8b00070] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Carmanah D. Hunter
- Alberta Glycomics Centre, Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Tianlin Guo
- Alberta Glycomics Centre, Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Gour Daskhan
- Alberta Glycomics Centre, Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Michele R. Richards
- Alberta Glycomics Centre, Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Christopher W. Cairo
- Alberta Glycomics Centre, Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
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13
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Mo X, Letort A, Roşca DA, Higashida K, Fürstner A. Site-Selectivetrans-Hydrostannation of 1,3- and 1,n-Diynes: Application to the Total Synthesis of Typhonosides E and F, and a Fluorinated Cerebroside Analogue. Chemistry 2018; 24:9667-9674. [DOI: 10.1002/chem.201801344] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Indexed: 12/16/2022]
Affiliation(s)
- Xiaobin Mo
- Max-Planck-Institut für Kohlenforschung; 45470 Mülheim/Ruhr Germany
| | - Aurélien Letort
- Max-Planck-Institut für Kohlenforschung; 45470 Mülheim/Ruhr Germany
| | | | - Kosuke Higashida
- Max-Planck-Institut für Kohlenforschung; 45470 Mülheim/Ruhr Germany
| | - Alois Fürstner
- Max-Planck-Institut für Kohlenforschung; 45470 Mülheim/Ruhr Germany
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14
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Drelich P, Moczulski M, Albrecht Ł. d 0a 3 Synthon Equivalents for the Stereocontrolled Synthesis of Functionalized 1,4-Amino Alcohol Precursors. Org Lett 2017; 19:3143-3146. [PMID: 28594181 DOI: 10.1021/acs.orglett.7b01268] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
This study demonstrates the design, synthesis, and first application of novel aminooxylating reagents that serve as a useful d0a3 synthon equivalents for organic synthesis. It has been demonstrated that their reaction with α,β-unsaturated aldehydes performed under aminocatalytic conditions provides a straightforward access to polysubstituted tetrahydro-1,2-oxazine derivatives, direct precursors of functionalized 1,4-amino alcohols. Target tetrahydro-1,2-oxazine derivatives have been obtained with high yields (up to 89%) and with excellent stereocontrol (up to >20:1 dr, > 99.5:0.5 er). Furthermore, the synthetic usefulness of tetrahydro-1,2-oxazines obtained has been demonstrated in various selective transformations.
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Affiliation(s)
- Piotr Drelich
- Institute of Organic Chemistry, Lodz University of Technology , Żeromskiego 116, 90-924 Łódź, Poland
| | - Marek Moczulski
- Institute of Organic Chemistry, Lodz University of Technology , Żeromskiego 116, 90-924 Łódź, Poland
| | - Łukasz Albrecht
- Institute of Organic Chemistry, Lodz University of Technology , Żeromskiego 116, 90-924 Łódź, Poland
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15
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Zhou Y, Mukherjee M, Gupta AK, Wulff WD. Multicomponent cis- and trans-Aziridinatons in the Syntheses of All Four Stereoisomers of Sphinganine. Org Lett 2017; 19:2230-2233. [DOI: 10.1021/acs.orglett.7b00697] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yubai Zhou
- Department of Chemistry, Michigan State University, East
Lansing, Michigan 48824, United States
| | - Munmun Mukherjee
- Department of Chemistry, Michigan State University, East
Lansing, Michigan 48824, United States
| | - Anil K. Gupta
- Department of Chemistry, Michigan State University, East
Lansing, Michigan 48824, United States
| | - William D. Wulff
- Department of Chemistry, Michigan State University, East
Lansing, Michigan 48824, United States
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16
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Hazelard D, Compain P. Square sugars: challenges and synthetic strategies. Org Biomol Chem 2017; 15:3806-3827. [DOI: 10.1039/c7ob00386b] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The synthesis of square sugars requires innovative strategies based on efficient stereoselective methodologies, from organocatalysis to metal carbene insertion.
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Affiliation(s)
- Damien Hazelard
- Laboratoire de Synthèse Organique et Molécules Bioactives (SYBIO)
- Université de Strasbourg/CNRS (UMR 7509)
- Ecole Europèenne de Chimie, Polyméres et Matériaux (ECPM)
- 25 rue Becquerel
- France
| | - Philippe Compain
- Laboratoire de Synthèse Organique et Molécules Bioactives (SYBIO)
- Université de Strasbourg/CNRS (UMR 7509)
- Ecole Europèenne de Chimie, Polyméres et Matériaux (ECPM)
- 25 rue Becquerel
- France
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17
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Martinková M, Gonda J, Jacková D. Simple marine 1-deoxysphingoid bases: biological activity and syntheses. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.tetasy.2016.10.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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18
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Haghshenas P, Gravel M. Chemo- and Diastereoselective N-Heterocyclic Carbene-Catalyzed Cross-Benzoin Reactions Using N-Boc-α-amino Aldehydes. Org Lett 2016; 18:4518-21. [DOI: 10.1021/acs.orglett.6b02123] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Pouyan Haghshenas
- Department
of Chemistry, University of Saskatchewan, 110 Science Place, Saskatoon, Saskatchewan S7N 5C9, Canada
| | - Michel Gravel
- Department
of Chemistry, University of Saskatchewan, 110 Science Place, Saskatoon, Saskatchewan S7N 5C9, Canada
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19
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Vijai Kumar Reddy T, Jyotsna A, Prabhavathi Devi B, Prasad R, Poornachandra Y, Ganesh Kumar C. Design, synthesis and in vitro biological evaluation of short-chain C12-sphinganine and its 1,2,3-triazole analogs as potential antimicrobial and anti-biofilm agents. Eur J Med Chem 2016; 118:98-106. [DOI: 10.1016/j.ejmech.2016.04.020] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Revised: 03/24/2016] [Accepted: 04/07/2016] [Indexed: 12/31/2022]
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20
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Righi G, Bovicelli P, Tirotta I, Sappino C, Mandic' E. Double Stereodifferentiation in the Asymmetric Dihydroxylation of Optically Active Olefins. Chirality 2016; 28:387-93. [PMID: 26934586 DOI: 10.1002/chir.22587] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Revised: 01/04/2016] [Accepted: 01/20/2016] [Indexed: 11/12/2022]
Abstract
A study of the stereochemical control on the asymmetric dihydroxylation of the double bond of optically active vinyl epoxides and their derivatives (bromo derivatives, azido derivatives, and vinyl aziridines) was carried out and the obtained results are herein reported. The most interesting results were obtained on trans α,β-unsaturated epoxy esters, which were successfully converted with a diastereomeric ratio >80% into the corresponding diols using either the matched or the mismatched conditions, depending on the ligand used. Unprotected bromo derivatives and unprotected aziridines did not afford significant results, while for the protected bromo derivatives, azido derivatives, and N-Boc protected aziridines the matched conditions led to a diastereomeric ratio >95%. Chirality 28:387-393, 2016. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Giuliana Righi
- CNR-IBPM, Department of Chemistry, "Sapienza" University of Rome, Rome, Italy
| | - Paolo Bovicelli
- CNR-IBPM, Department of Chemistry, "Sapienza" University of Rome, Rome, Italy
| | - Ilaria Tirotta
- Department of Chemistry, "Sapienza" University of Rome, Rome, Italy
| | - Carla Sappino
- Department of Chemistry, "Sapienza" University of Rome, Rome, Italy
| | - Emanuela Mandic'
- Department of Chemistry, "Sapienza" University of Rome, Rome, Italy
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21
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Marine cytotoxic jaspine B and its stereoisomers: biological activity and syntheses. Carbohydr Res 2016; 423:1-42. [DOI: 10.1016/j.carres.2016.01.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2015] [Revised: 01/11/2016] [Accepted: 01/20/2016] [Indexed: 01/03/2023]
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22
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Stanková K, Martinková M, Gonda J, Bago M, Pilátová M, Gönciová G. The convergent total synthesis of cytotoxic homospisulosine and its 3-epi-analogue. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.tetasy.2015.11.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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23
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Christmann M, Hu J, Kitamura M, Stoltz B. Tetrahedron reports on organic chemistry. Tetrahedron 2015. [DOI: 10.1016/s0040-4020(15)00744-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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24
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Park SH, Jin X, Kang JC, Jung C, Kim SS, Kim SS, Lee KY, Ham WH. Chirality extension of an oxazine building block en route to total syntheses of (+)-hyacinthacine A2 and sphingofungin B. Org Biomol Chem 2015; 13:4539-50. [DOI: 10.1039/c5ob00251f] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Concise total syntheses of (+)-hyacinthacine A2 and sphingofungin B were achieved by palladium(0)-catalyzed intramolecular oxazine formation and diastereoselective nucleophilic additions.
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Affiliation(s)
- Seok-Hwi Park
- School of Pharmacy
- Sungkyunkwan University
- Suwon 440-746, Republic of Korea
| | - Xiangdan Jin
- School of Pharmacy
- Sungkyunkwan University
- Suwon 440-746, Republic of Korea
| | - Jong-Cheol Kang
- School of Pharmacy
- Sungkyunkwan University
- Suwon 440-746, Republic of Korea
| | - Changyoung Jung
- School of Pharmacy
- Sungkyunkwan University
- Suwon 440-746, Republic of Korea
| | - Seong-Soo Kim
- School of Pharmacy
- Sungkyunkwan University
- Suwon 440-746, Republic of Korea
| | - Sung-Soo Kim
- School of Pharmacy
- Sungkyunkwan University
- Suwon 440-746, Republic of Korea
| | - Kee-Young Lee
- Yonsung Fine Chemicals Co
- Ltd
- Hwaseong 445-944, Republic of Korea
| | - Won-Hun Ham
- School of Pharmacy
- Sungkyunkwan University
- Suwon 440-746, Republic of Korea
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25
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Dai Z, Green TK. Synthesis of aromatic sphingosine analogues by diastereoselective amination of enantioenriched trans-γ,δ-unsaturated β-hydroxyesters. J Org Chem 2014; 79:7778-84. [PMID: 25046474 DOI: 10.1021/jo501533g] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
An effective route to N-Boc-protected aromatic sphingosine analogues is accomplished. The strategy is based on the diastereoselective amination of enantioenriched trans-γ,δ-unsaturated β-hydroxyesters to establish anti,N-Boc-α-hydrazino-β-hydroxyesters. Nonreductive E1cB elimination is essential for the successful N-N bond cleavage of hydrazine while preserving the trans double bond. Either the (3R,2S) and (3S,2R) enantiomer of N-Boc-protected sphingosine analogues has been synthesized in five steps with excellent optical purity with ∼99% ee and >99% de.
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Affiliation(s)
- Zhipeng Dai
- Department of Chemistry and Biochemistry, Institute of Arctic Biology, University of Alaska , Fairbanks, Alaska 99775, United States
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26
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Alcaide A, Llebaria A. Aziridine Ring Opening for the Synthesis of Sphingolipid Analogues: Inhibitors of Sphingolipid-Metabolizing Enzymes. J Org Chem 2014; 79:2993-3029. [DOI: 10.1021/jo500061w] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Anna Alcaide
- Medicinal Chemistry Laboratory (MedChemLab), Departament
de Química Biomèdica, Institut de Química Avançada de Catalunya (IQAC−CSIC), Jordi Girona 18-26, Barcelona 08034, Spain
| | - Amadeu Llebaria
- Medicinal Chemistry Laboratory (MedChemLab), Departament
de Química Biomèdica, Institut de Química Avançada de Catalunya (IQAC−CSIC), Jordi Girona 18-26, Barcelona 08034, Spain
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27
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Mukherjee M, Zhou Y, Gupta AK, Guan Y, Wulff WD. A General Synthesis of Sphinganines through Multicomponent Catalytic Asymmetric Aziridination. European J Org Chem 2014. [DOI: 10.1002/ejoc.201301766] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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28
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Facile and efficient addition of terminal alkynes to benzotriazole esters: synthesis of d-erythro-sphingosine using ynones as the key intermediate. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2013.10.082] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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29
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Yuan S, Wu R, Latek D, Trzaskowski B, Filipek S. Lipid receptor S1P₁ activation scheme concluded from microsecond all-atom molecular dynamics simulations. PLoS Comput Biol 2013; 9:e1003261. [PMID: 24098103 PMCID: PMC3789783 DOI: 10.1371/journal.pcbi.1003261] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2012] [Accepted: 08/22/2013] [Indexed: 01/21/2023] Open
Abstract
Sphingosine 1-phosphate (S1P) is a lysophospholipid mediator which activates G protein–coupled sphingosine 1-phosphate receptors and thus evokes a variety of cell and tissue responses including lymphocyte trafficking, endothelial development, integrity, and maturation. We performed five all-atom 700 ns molecular dynamics simulations of the sphingosine 1-phosphate receptor 1 (S1P1) based on recently released crystal structure of that receptor with an antagonist. We found that the initial movements of amino acid residues occurred in the area of highly conserved W2696.48 in TM6 which is close to the ligand binding location. Those residues located in the central part of the receptor and adjacent to kinks of TM helices comprise of a transmission switch. Side chains movements of those residues were coupled to the movements of water molecules inside the receptor which helped in the gradual opening of intracellular part of the receptor. The most stable parts of the protein were helices TM1 and TM2, while the largest movement was observed for TM7, possibly due to the short intracellular part starting with a helix kink at P7.50, which might be the first helix to move at the intracellular side. We show for the first time the detailed view of the concerted action of the transmission switch and Trp (W6.48) rotamer toggle switch leading to redirection of water molecules flow in the central part of the receptor. That event is a prerequisite for subsequent changes in intracellular part of the receptor involving water influx and opening of the receptor structure. The activation of G-protein-coupled receptors (GPCRs) depends on small differences in agonist and antagonist structures resulting in specific forces they impose on the helical bundle of the receptor. Having the crystal structures of GPCRs in different stages of activation it is possible to investigate the successive conformational changes leading to full activation. The long molecular dynamics simulations can fill the gap spanning between those structures and provide an overview of the activation processes. The water molecules are recognized to be crucial in the activation process which link shifting of ligand in the binding site, the actions of molecular switches and finally the movements of fragments of TM helices. Here, we present five 700 ns MD simulations of lipid S1P1 receptor, either in Apo form, or bound to antagonist ML056 or natural agonist S1P. The Apo and antagonist-bound receptor structures exhibited similar behavior, with their TM bundles nearly intact, while in the case of the agonist-bound receptor we observed movements of intracellular ends of some of TM helices.
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Affiliation(s)
- Shuguang Yuan
- International Institute of Molecular and Cell Biology in Warsaw, Warsaw, Poland
- Laboratory of Physical Chemistry of Polymers and Membranes, École Polytechnique Fédérale de Lausanne, SB ISIC LCPPM, Lausanne, Switzerland
- Nencki Institute of Experimental Biology, Polish Academy of Sciences, Warsaw, Poland
- * E-mail: (SY); (SF)
| | - Rongliang Wu
- International Institute of Molecular and Cell Biology in Warsaw, Warsaw, Poland
| | - Dorota Latek
- International Institute of Molecular and Cell Biology in Warsaw, Warsaw, Poland
| | | | - Slawomir Filipek
- Faculty of Chemistry, University of Warsaw, Warsaw, Poland
- * E-mail: (SY); (SF)
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30
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Chang MY, Lin CY, Wu TC, Sun PP. Synthesis ofN-Tosylhomosphinganine andN-Tosylsedridine. J CHIN CHEM SOC-TAIP 2013. [DOI: 10.1002/jccs.200800063] [Citation(s) in RCA: 4] [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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31
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Martinková M, Pomikalová K, Gonda J, Vilková M. A common approach to the total synthesis of l-arabino-, l-ribo-C18-phytosphingosines, ent-2-epi-jaspine B and 3-epi-jaspine B from d-mannose. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.07.028] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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32
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Stoltz B, Motherwell W. Tetrahedron reports on organic chemistry. Tetrahedron 2013. [DOI: 10.1016/s0040-4020(13)01252-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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33
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Stereoselective synthesis of C18-guggultetrol and C18-phytosphingosine analogues from d-fructose. Carbohydr Res 2012; 360:40-6. [DOI: 10.1016/j.carres.2012.07.016] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2012] [Revised: 07/25/2012] [Accepted: 07/26/2012] [Indexed: 12/26/2022]
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34
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A flexible approach to construct three contiguous chiral centers of sphingolipids, and asymmetric synthesis of d-ribo-phytosphingosine and its derivatives. Tetrahedron 2012. [DOI: 10.1016/j.tet.2012.05.120] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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35
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Martinková M, Gonda J, Uhríková A, Raschmanová JŠ, Kuchár J. An efficient synthesis of the polar part of sulfamisterin and its analogs. Carbohydr Res 2012; 352:23-36. [DOI: 10.1016/j.carres.2012.02.019] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2011] [Revised: 02/16/2012] [Accepted: 02/17/2012] [Indexed: 11/15/2022]
Affiliation(s)
- Miroslava Martinková
- Institute of Chemical Sciences, Department of Organic Chemistry, P.J. Šafárik University, Moyzesova 11, Sk-040 01 Košice, Slovak Republic.
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36
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Srinivas Rao G, Chandrasekhar B, Venkateswara Rao B. Total synthesis of the acetyl derivatives of lyxo-(2R,3R,4R)-phytosphingosine and (−)-jaspine B. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/j.tetasy.2012.04.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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37
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Righi G, Mandic’ E, Naponiello GCM, Bovicelli P, Tirotta I. Study on the stereochemical control of dihydroxylation of vinyl epoxides and their derivatives. Tetrahedron 2012. [DOI: 10.1016/j.tet.2012.02.029] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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38
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Mu Y, Jin T, Kim GW, Kim JS, Kim SS, Tian YS, Oh CY, Ham WH. Total Syntheses of D-xylo- and D-arabino-Phytosphingosine Based on the Syntheses of Chiral 1,3-Oxazines. European J Org Chem 2012. [DOI: 10.1002/ejoc.201200064] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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39
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Compostella F, Panza L, Ronchetti F. The mammalian sulfated glycolipid sulfatide: Synthesis and biological implications. CR CHIM 2012. [DOI: 10.1016/j.crci.2011.09.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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40
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A common strategy for the stereoselective synthesis of anhydrophytosphingosine pachastrissamine (jaspine B) and N,O,O,O-tetra-acetyl d-lyxo-phytosphingosine. Tetrahedron Lett 2011. [DOI: 10.1016/j.tetlet.2011.08.170] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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41
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Diastereoselective synthesis and bioactivity of long-chain anti-2-amino-3-alkanols. Eur J Med Chem 2011; 46:5480-6. [DOI: 10.1016/j.ejmech.2011.09.010] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2011] [Revised: 09/06/2011] [Accepted: 09/07/2011] [Indexed: 12/25/2022]
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42
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3,4-Disubstituted oxazolidin-2-ones as constrained ceramide analogs with anticancer activities. Bioorg Med Chem 2011; 19:6174-81. [PMID: 21978949 DOI: 10.1016/j.bmc.2011.09.022] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2011] [Revised: 09/09/2011] [Accepted: 09/10/2011] [Indexed: 12/19/2022]
Abstract
Heterocyclic analogs of ceramide as 3-alkanoyl or benzoyl-4-(1-hydroxy-2-enyl)-oxazolidin-2-ones were designed by binding of primary alcohol and amide in sphinogosine backbone as a carbamate. They were synthesized by addition of acyl halide to the common ring 4-(1-t-butyldimethylsilyloxyhexadec-2-enyl)-oxazolidin-2-one which was elaborated from chiral aziridine-2-carboxylate including stereoselective reduction and ring opening reactions as key steps. Other analogs with different carbon frame at C4 position which is corresponding to the sphingoid backbone were prepared from 3-cyclopentanecarbonyl-4-(1-t-butyldimethylsilyloxybut-2-enyl)-oxazolidin-2-one and straight and cyclic alkenes by cross metathesis. All compounds were tested as antileukemic drugs against human leukemia HL-60 cells. Many of them including propionyl, cyclopentanoyl and p-nitrobenzoyl-4-(1-hydroxyhexadec-2-enyl)-oxazolidin-2-ones showed better antileukemic activities than natural C2-ceramide with good correlation between cell death and DNA fragmentation. There is a drastic change of the activities by the carbon chain lengths at C4 position. Cytotoxicity was induced by caspase activation without significant accumulation of endogenous ceramide concentration or any perturbation of ceramide metabolism.
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43
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Srinivas Rao G, Venkateswara Rao B. A common and stereoselective strategy for the synthesis of N,O,O,O-tetra-acetyl d-ribo-(2S,3S,4R)-phytosphingosine and 2-epi-jaspine B. Tetrahedron Lett 2011. [DOI: 10.1016/j.tetlet.2011.07.032] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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44
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Garnier-Amblard EC, Mays SG, Arrendale RF, Baillie MT, Bushnev AS, Culver DG, Evers TJ, Holt JJ, Howard RB, Liebeskind LS, Menaldino DS, Natchus MG, Petros JA, Ramaraju H, Reddy GP, Liotta DC. Novel synthesis and biological evaluation of enigmols as therapeutic agents for treating prostate cancer. ACS Med Chem Lett 2011; 2:438-43. [PMID: 24900327 DOI: 10.1021/ml2000164] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2011] [Accepted: 03/09/2011] [Indexed: 12/22/2022] Open
Abstract
Enigmol is a synthetic, orally active 1-deoxysphingoid base analogue that has demonstrated promising activity against prostate cancer. In these studies, the pharmacologic roles of stereochemistry and N-methylation in the structure of enigmols were examined. A novel enantioselective synthesis of all four possible 2S-diastereoisomers of enigmol (2-aminooctadecane-3,5-diols) from l-alanine is reported, which features a Liebeskind-Srogl cross-coupling reaction between l-alanine thiol ester and (E)-pentadec-1-enylboronic acid as the key step. In vitro biological evaluation of the four enigmol diastereoisomers and 2S,3S,5S-N-methylenigmol against two prostate cancer cell lines (PC-3 and LNCaP) indicates that all but one diastereomer demonstrate potent oncolytic activity. In nude mouse xenograft models of human prostate cancer, enigmol was equally effective as standard prostate cancer therapies (androgen deprivation or docetaxel), and two of the enigmol diastereomers, 2S,3S,5R-enigmol and 2S,3R,5S-enigmol, also caused statistically significant inhibition of tumor growth. A pharmacokinetic profile of enigmol and N-methylenigmol is also presented.
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Affiliation(s)
- Ethel C. Garnier-Amblard
- Department of Chemistry, Emory University, 1521 Dickey Drive, Atlanta, Georgia 30322, United States
| | - Suzanne G. Mays
- School of Medicine, Department of Urology, Emory University, 1365 Clifton Road, NE, Atlanta, Georgia 30322, United States
| | - Richard F. Arrendale
- Emory Institute for Drug Discovery (EIDD), 1515 Dickey Drive, Atlanta, Georgia 30322, United States
| | - Mark T. Baillie
- Department of Chemistry, Emory University, 1521 Dickey Drive, Atlanta, Georgia 30322, United States
| | - Anatoliy S. Bushnev
- Department of Chemistry, Emory University, 1521 Dickey Drive, Atlanta, Georgia 30322, United States
| | - Deborah G. Culver
- Emory Institute for Drug Discovery (EIDD), 1515 Dickey Drive, Atlanta, Georgia 30322, United States
| | - Taylor J. Evers
- Emory Institute for Drug Discovery (EIDD), 1515 Dickey Drive, Atlanta, Georgia 30322, United States
| | - Jason J. Holt
- Department of Chemistry, Emory University, 1521 Dickey Drive, Atlanta, Georgia 30322, United States
| | - Randy B. Howard
- Emory Institute for Drug Discovery (EIDD), 1515 Dickey Drive, Atlanta, Georgia 30322, United States
| | - Lanny S. Liebeskind
- Department of Chemistry, Emory University, 1521 Dickey Drive, Atlanta, Georgia 30322, United States
| | - David S. Menaldino
- Emory Institute for Drug Discovery (EIDD), 1515 Dickey Drive, Atlanta, Georgia 30322, United States
| | - Michael G. Natchus
- Emory Institute for Drug Discovery (EIDD), 1515 Dickey Drive, Atlanta, Georgia 30322, United States
| | - John A. Petros
- School of Medicine, Department of Urology, Emory University, 1365 Clifton Road, NE, Atlanta, Georgia 30322, United States
- Atlanta Veterans Affairs Medical Center, Atlanta, Georgia 30033, United States
| | - Harsha Ramaraju
- School of Medicine, Department of Urology, Emory University, 1365 Clifton Road, NE, Atlanta, Georgia 30322, United States
| | - G. Prabhakar Reddy
- Emory Institute for Drug Discovery (EIDD), 1515 Dickey Drive, Atlanta, Georgia 30322, United States
| | - Dennis C. Liotta
- Department of Chemistry, Emory University, 1521 Dickey Drive, Atlanta, Georgia 30322, United States
- Emory Institute for Drug Discovery (EIDD), 1515 Dickey Drive, Atlanta, Georgia 30322, United States
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45
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Stoltz B, Motherwell W. Tetrahedron reports on organic chemistry. Tetrahedron 2011. [DOI: 10.1016/s0040-4020(11)00770-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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46
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Kumar G, Kaur S, Singh V. Efficient Synthesis of a Styryl Analogue of (2S,3R,4E)-N2-Octadecanoyl-4-tetradecasphingenine via Cross-Metathesis Reaction. Helv Chim Acta 2011. [DOI: 10.1002/hlca.201000277] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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47
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Lee S, Lee S, Park HJ, Lee SK, Kim S. Design and synthesis of pyrrolidine-containing sphingomimetics. Org Biomol Chem 2011; 9:4580-6. [DOI: 10.1039/c1ob05324h] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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48
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49
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50
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Lee YM, Baek DJ, Lee S, Kim D, Kim S. Regioselective Inversion of the Hydroxyl Group in d-ribo-Phytosphingosine via a Cyclic Sulfate and Bis-Sulfonate Intermediate. J Org Chem 2010; 76:408-16. [DOI: 10.1021/jo101757k] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Yun Mi Lee
- College of Pharmacy, Seoul National University, San 56-1, Shilim, Kwanak, Seoul 151-742, Korea
| | - Dong Jae Baek
- College of Pharmacy, Seoul National University, San 56-1, Shilim, Kwanak, Seoul 151-742, Korea
| | - Seokwoo Lee
- College of Pharmacy, Seoul National University, San 56-1, Shilim, Kwanak, Seoul 151-742, Korea
| | - Deukjoon Kim
- College of Pharmacy, Seoul National University, San 56-1, Shilim, Kwanak, Seoul 151-742, Korea
| | - Sanghee Kim
- College of Pharmacy, Seoul National University, San 56-1, Shilim, Kwanak, Seoul 151-742, Korea
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