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Pal A, Wong AR, Lamb JR. Chemically Recyclable, High Molar Mass Polyoxazolidinones via Ring-Opening Metathesis Polymerization. ACS Macro Lett 2024; 13:502-507. [PMID: 38625148 DOI: 10.1021/acsmacrolett.4c00147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/17/2024]
Abstract
The development of robust methods for the synthesis of chemically recyclable polymers with tunable properties is necessary for the design of next-generation materials. Polyoxazolidinones (POxa), polymers with five-membered urethanes in their backbones, are an attractive target because they are strongly polar and have high thermal stability, but existing step-growth syntheses limit molar masses and methods to chemically recycle POxa to monomer are rare. Herein, we report the synthesis of high molar mass POxa via ring-opening metathesis polymerization of oxazolidinone-fused cyclooctenes. These novel polymers show <5% mass loss up to 382-411 °C and have tunable glass transition temperatures (14-48 °C) controlled by the side chain structure. We demonstrate facile chemical recycling to monomer and repolymerization despite moderately high monomer ring-strain energies, which we hypothesize are facilitated by the conformational restriction introduced by the fused oxazolidinone ring. This method represents the first chain growth synthesis of POxa and provides a versatile platform for the study and application of this emerging subclass of polyurethanes.
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Affiliation(s)
- Arpan Pal
- Department of Chemistry, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, United States
| | - Allison R Wong
- Department of Chemistry, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, United States
| | - Jessica R Lamb
- Department of Chemistry, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, United States
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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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Moreno CJ, Hernández K, Gittings S, Bolte M, Joglar J, Bujons J, Parella T, Clapés P. Biocatalytic Synthesis of Homochiral 2-Hydroxy-4-butyrolactone Derivatives by Tandem Aldol Addition and Carbonyl Reduction. ACS Catal 2023; 13:5348-5357. [PMID: 37123603 PMCID: PMC10127515 DOI: 10.1021/acscatal.3c00367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 03/09/2023] [Indexed: 04/08/2023]
Abstract
Chiral 2-hydroxy acids and 2-hydroxy-4-butyrolactone derivatives are structural motifs often found in fine and commodity chemicals. Here, we report a tandem biocatalytic stereodivergent route for the preparation of these compounds using three stereoselective aldolases and two stereocomplementary ketoreductases using simple and achiral starting materials. The strategy comprises (i) aldol addition reaction of 2-oxoacids to aldehydes using two aldolases from E. coli, 3-methyl-2-oxobutanoate hydroxymethyltransferase (KPHMT Ecoli ), 2-keto-3-deoxy-l-rhamnonate aldolase (YfaU Ecoli ), and trans-o-hydroxybenzylidene pyruvate hydratase-aldolase from Pseudomonas putida (HBPA Pputida ) and (ii) subsequent 2-oxogroup reduction of the aldol adduct by ketopantoate reductase from E. coli (KPR Ecoli ) and a Δ1-piperidine-2-carboxylate/Δ1-pyrroline-2-carboxylate reductase from Pseudomonas syringae pv. tomato DSM 50315 (DpkA Psyrin ) with uncovered promiscuous ketoreductase activity. A total of 29 structurally diverse compounds were prepared: both enantiomers of 2-hydroxy-4-butyrolactone (>99% ee), 21 2-hydroxy-3-substituted-4-butyrolactones with the (2R,3S), (2S,3S), (2R,3R), or (2S,3R) configuration (from 60:40 to 98:2 dr), and 6 2-hydroxy-4-substituted-4-butyrolactones with the (2S,4R) configuration (from 87:13 to 98:2 dr). Conversions of aldol adducts varied from 32 to 98%, while quantitative conversions were achieved by both ketoreductases, with global isolated yields between 20 and 45% for most of the examples. One-pot one-step cascade reactions were successfully conducted achieving isolated yields from 30 to 57%.
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Affiliation(s)
- Carlos J. Moreno
- Dept. of Biological Chemistry, Institute for Advanced Chemistry of Catalonia, IQAC-CSIC, Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Karel Hernández
- Dept. of Biological Chemistry, Institute for Advanced Chemistry of Catalonia, IQAC-CSIC, Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Samantha Gittings
- Prozomix Ltd., West End Industrial Estate, Haltwhistle, Northumberland NE49 9HA, United Kingdom
| | - Michael Bolte
- Institut für Anorganische Chemie, J.-W.-Goethe-Universität, Frankfurt/Main, Max-von-Laue-Str. 7, D-60438 Frankfurt/Main, Germany
| | - Jesús Joglar
- Dept. of Biological Chemistry, Institute for Advanced Chemistry of Catalonia, IQAC-CSIC, Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Jordi Bujons
- Dept. of Biological Chemistry, Institute for Advanced Chemistry of Catalonia, IQAC-CSIC, Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Teodor Parella
- Servei de Ressonància Magnètica Nuclear. Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Pere Clapés
- Dept. of Biological Chemistry, Institute for Advanced Chemistry of Catalonia, IQAC-CSIC, Jordi Girona 18-26, 08034 Barcelona, Spain
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Capel E, Luis-Barrera J, Sorazu A, Uria U, Prieto L, Reyes E, Carrillo L, Vicario JL. Transannular Approach to 2,3-Dihydropyrrolo[1,2- b]isoquinolin-5(1 H)-ones through Brønsted Acid-Catalyzed Amidohalogenation. J Org Chem 2022; 87:10062-10072. [PMID: 35880953 PMCID: PMC9361296 DOI: 10.1021/acs.joc.2c01045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
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A transannular approach has been developed for the construction
of pyrrolo[1,2-b]isoquinolinones starting from benzo-fused
nine-membered enelactams. This process takes place in the presence
of a halogenating agent and under Brønsted acid catalysis and
proceeds via a transannular amidohalogenation, followed by elimination.
The reaction has been found to be wide in scope, enabling the formation
of a variety of tricyclic products in good overall yield, regardless
of the substitution pattern in the initial lactam substrate. The reaction
has also been applied to the total synthesis of a reported topoisomerase
I inhibitor and to the formal synthesis of rosettacin. Further extension
of this methodology allows the preparation of 10-iodopyrrolo[1,2-b]isoquinolinones by using an excess of halogenating agent
and these compounds can be further manipulated through standard Suzuki
coupling chemistry into a variety of 10-aryl-substituted pyrrolo[1,2-b]isoquinolinones.
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Affiliation(s)
- Estefanía Capel
- Department of Organic and Inorganic Chemistry, University of the Basque Country (UPV/EHU), P.O. Box 644, 48080 Bilbao, Spain
| | - Javier Luis-Barrera
- Department of Organic and Inorganic Chemistry, University of the Basque Country (UPV/EHU), P.O. Box 644, 48080 Bilbao, Spain
| | - Ana Sorazu
- Department of Organic and Inorganic Chemistry, University of the Basque Country (UPV/EHU), P.O. Box 644, 48080 Bilbao, Spain
| | - Uxue Uria
- Department of Organic and Inorganic Chemistry, University of the Basque Country (UPV/EHU), P.O. Box 644, 48080 Bilbao, Spain
| | - Liher Prieto
- Department of Organic and Inorganic Chemistry, University of the Basque Country (UPV/EHU), P.O. Box 644, 48080 Bilbao, Spain
| | - Efraím Reyes
- Department of Organic and Inorganic Chemistry, University of the Basque Country (UPV/EHU), P.O. Box 644, 48080 Bilbao, Spain
| | - Luisa Carrillo
- Department of Organic and Inorganic Chemistry, University of the Basque Country (UPV/EHU), P.O. Box 644, 48080 Bilbao, Spain
| | - Jose L Vicario
- Department of Organic and Inorganic Chemistry, University of the Basque Country (UPV/EHU), P.O. Box 644, 48080 Bilbao, Spain
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Fan H, Tong Z, Ren Z, Mishra K, Morita S, Edouarzin E, Gorla L, Averkiev B, Day VW, Hua DH. Synthesis and Characterization of Bimetallic Nanoclusters Stabilized by Chiral and Achiral Polyvinylpyrrolidinones. Catalytic C(sp 3)-H Oxidation. J Org Chem 2022; 87:6742-6759. [PMID: 35511477 DOI: 10.1021/acs.joc.2c00449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Second-generation chiral-substituted poly-N-vinylpyrrolidinones (CSPVPs) (-)-1R and (+)-1S were synthesized by free-radical polymerization of (3aR,6aR)- and (3aS,6aS)-5-ethenyl-tetrahydro-2,2-dimethyl-4H-1,3-dioxolo[4,5-c]pyrrol-4-one, respectively, using thermal and photochemical reactions. They were produced from respective d-isoascorbic acid and d-ribose. In addition, chiral polymer (-)-2 was also synthesized from the polymerization of (S)-3-(methoxymethoxy)-1-vinylpyrrolidin-2-one. Molecular weights of these chiral polymers were measured using HRMS, and the polymer chain tacticity was studied using 13C NMR spectroscopy. Chiral polymers (-)-1R, (+)-1S, and (-)-2 along with poly-N-vinylpyrrolidinone (PVP, MW 40K) were separately used in the stabilization of Cu/Au or Pd/Au nanoclusters. CD spectra of the bimetallic nanoclusters stabilized by (-)-1R and (+)-1S showed close to mirror-imaged CD absorption bands at wavelengths 200-300 nm, revealing that bimetallic nanoclusters' chiroptical responses are derived from chiral polymer-encapsulated nanomaterials. Chemo-, regio-, and stereo-selectivity was found in the catalytic C-H group oxidation reactions of complex bioactive natural products, such as ambroxide, menthofuran, boldine, estrone, dehydroabietylamine, 9-allogibberic acid, and sclareolide, and substituted adamantane molecules, when catalyst Cu/Au (3:1) or Pd/Au (3:1) stabilized by CSPVPs or PVP and oxidant H2O2 or t-BuOOH were applied. Oxidation of (+)-boldine N-oxide 23 using NMO as an oxidant yielded 4,5-dehydroboldine 27, and oxidation of (-)-9-allogibberic acid yielded C6,15 lactone 47 and C6-ketone 48.
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Affiliation(s)
- Huafang Fan
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Zongbo Tong
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Zhaoyang Ren
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Kanchan Mishra
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Shunya Morita
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Edruce Edouarzin
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Lingaraju Gorla
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Boris Averkiev
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Victor W Day
- Department of Chemistry, University of Kansas, Lawrence, Kansas 66045, United States
| | - Duy H Hua
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
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Nishikawa K, Kumagai M, Matsumura K, Nishikibe K, Morimoto Y. Natural Product Synthesis Strategy Based on the Concept of Directly Constructing the Ring Skeletons from Linear Substrates. J SYN ORG CHEM JPN 2021. [DOI: 10.5059/yukigoseikyokaishi.79.197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Keisuke Nishikawa
- Department of Chemistry, Graduate School of Science, Osaka City University
| | | | | | | | - Yoshiki Morimoto
- Department of Chemistry, Graduate School of Science, Osaka City University
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7
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Kuriyama Y, Sasano Y, Hoshino Y, Uesugi SI, Yamaichi A, Iwabuchi Y. Highly Regioselective 5-endo-tet Cyclization of 3,4-Epoxy Amines into 3-Hydroxypyrrolidines Catalyzed by La(OTf) 3. Chemistry 2021; 27:1961-1965. [PMID: 33191563 DOI: 10.1002/chem.202004455] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 10/27/2020] [Indexed: 11/08/2022]
Abstract
Highly regioselective intramolecular aminolysis of 3,4-epoxy amines has been achieved. Key features of this reaction are (1) chemoselective activation of epoxides in the presence of unprotected aliphatic amines in the same molecules by a La(OTf)3 catalyst and (2) excellent regioselectivity for anti-Baldwin 5-endo-tet cyclization. This reaction affords 3-hydroxy-2-alkylpyrrolidines stereospecifically in high yields. DFT calculations revealed that the regioselectivity might be attributed to distortion energies of epoxy amine substrates. The use of this reaction was demonstrated by the first enantioselective synthesis of an antispasmodic agent prifinium bromide.
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Affiliation(s)
- Yuse Kuriyama
- Department of Organic Chemistry, Graduate School of, Pharmaceutical Sciences, Tohoku University, 6-3 Aoba, Aramaki, Aoba-ku, Sendai, 980-8578, Japan
| | - Yusuke Sasano
- Department of Organic Chemistry, Graduate School of, Pharmaceutical Sciences, Tohoku University, 6-3 Aoba, Aramaki, Aoba-ku, Sendai, 980-8578, Japan
| | - Yoshihiko Hoshino
- Department of Organic Chemistry, Graduate School of, Pharmaceutical Sciences, Tohoku University, 6-3 Aoba, Aramaki, Aoba-ku, Sendai, 980-8578, Japan
| | - Shun-Ichiro Uesugi
- Department of Organic Chemistry, Graduate School of, Pharmaceutical Sciences, Tohoku University, 6-3 Aoba, Aramaki, Aoba-ku, Sendai, 980-8578, Japan
| | - Aoto Yamaichi
- Department of Organic Chemistry, Graduate School of, Pharmaceutical Sciences, Tohoku University, 6-3 Aoba, Aramaki, Aoba-ku, Sendai, 980-8578, Japan
| | - Yoshiharu Iwabuchi
- Department of Organic Chemistry, Graduate School of, Pharmaceutical Sciences, Tohoku University, 6-3 Aoba, Aramaki, Aoba-ku, Sendai, 980-8578, Japan
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8
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9
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Samala S, Ryu DH, Song CE, Yoo EJ. Multicomponent dipolar cycloadditions: efficient synthesis of polycyclic fused pyrrolizidinesviaazomethine ylides. Org Biomol Chem 2019; 17:1773-1777. [DOI: 10.1039/c8ob02463d] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
An efficient multicomponent dipolar cycloaddition for the synthesis of polycyclic fused pyrrolizidines was developed usingN-aromatic zwitterions, aldehydes, and amino acids.
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Affiliation(s)
- Srinivas Samala
- Department of Chemistry
- Kangwon National University
- Chuncheon
- Korea
| | - Do Hyun Ryu
- Department of Chemistry
- Sungkyunkwan University
- Suwon
- Korea
| | | | - Eun Jeong Yoo
- Department of Applied Chemistry
- Kyung Hee University
- Yongin
- Korea
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10
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Myeong IS, Ham WH. Stereoselective Syntheses of (+)-Broussonetine D and (+)-Australine via a Functionalized Pyrrolidine from an Extended Chiral 1,3-Oxazine. European J Org Chem 2018. [DOI: 10.1002/ejoc.201801552] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- In-Soo Myeong
- School of Pharmacy; Sungkyunkwan University; Seobu-ro 2066, Suwon-si, Gyeonggi-do 16419 Republic of Korea
| | - Won-Hun Ham
- School of Pharmacy; Sungkyunkwan University; Seobu-ro 2066, Suwon-si, Gyeonggi-do 16419 Republic of Korea
- Yonsung Fine Chemicals Co., Ltd.; Sujeong-ro 207, Jangan-myeon, Hwaseong-si, Gyeonggi-do 18581 Republic of Korea
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11
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Scalable synthesis enabling multilevel bio-evaluations of natural products for discovery of lead compounds. Nat Commun 2018; 9:1283. [PMID: 29599469 PMCID: PMC5876371 DOI: 10.1038/s41467-018-03546-9] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Accepted: 02/20/2018] [Indexed: 01/18/2023] Open
Abstract
Challenges in the development of anti-cancer chemotherapeutics continue to exist, particularly with respect to adverse effects and development of resistance, underlining the need for novel drugs with good safety profiles. Natural products have proven to be a fertile ground for exploitation, and development of anti-cancer drugs from structurally complex natural products holds promise. Unfortunately, this approach is often hindered by low isolation yields and limited information from preliminary cell-based assays. Here we report a concise and scalable synthesis of a series of low-abundance Isodon diterpenoids (a large class of natural products with over 1000 members isolated from the herbs of genus Isodon, which are well-known folk medicines for the treatment of inflammation and cancer), including eriocalyxin B, neolaxiflorin L and xerophilusin I. These scalable syntheses enable multilevel bio-evaluation of the natural products, in which we identify neolaxiflorin L as a promising anti-cancer drug candidate.
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12
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13
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Marlin FJ. Stereoselective synthesis of orthogonally protected 2,3-disubstituted morpholines using a base-catalysed cascade reaction. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.06.077] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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14
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Nishikawa K, Yamauchi K, Kikuchi S, Ezaki S, Koyama T, Nokubo H, Matsumura K, Kodama T, Kumagai M, Morimoto Y. Total Syntheses of Lepadiformine Marine Alkaloids with Enantiodivergency, Utilizing Hg(OTf)
2
‐Catalyzed Cycloisomerization Reaction and their Cytotoxic Activities. Chemistry 2017; 23:9535-9545. [DOI: 10.1002/chem.201701475] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Indexed: 11/08/2022]
Affiliation(s)
- Keisuke Nishikawa
- Department of Chemistry, Graduate School of ScienceOsaka City University Sumiyoshi-ku Osaka 558–8585 Japan
| | - Kengo Yamauchi
- Department of Chemistry, Graduate School of ScienceOsaka City University Sumiyoshi-ku Osaka 558–8585 Japan
| | - Seiho Kikuchi
- Department of Chemistry, Graduate School of ScienceOsaka City University Sumiyoshi-ku Osaka 558–8585 Japan
| | - Shinnosuke Ezaki
- Department of Chemistry, Graduate School of ScienceOsaka City University Sumiyoshi-ku Osaka 558–8585 Japan
| | - Tomoyuki Koyama
- Department of Chemistry, Graduate School of ScienceOsaka City University Sumiyoshi-ku Osaka 558–8585 Japan
| | - Haruka Nokubo
- Department of Chemistry, Graduate School of ScienceOsaka City University Sumiyoshi-ku Osaka 558–8585 Japan
| | - Kunihiro Matsumura
- Department of Chemistry, Graduate School of ScienceOsaka City University Sumiyoshi-ku Osaka 558–8585 Japan
| | - Takeshi Kodama
- Department of Chemistry, Graduate School of ScienceOsaka City University Sumiyoshi-ku Osaka 558–8585 Japan
| | - Momochika Kumagai
- Department of Chemistry, Graduate School of ScienceOsaka City University Sumiyoshi-ku Osaka 558–8585 Japan
- Japan Food Research Laboratories Ibaraki-shi Osaka 567-0085 Japan
| | - Yoshiki Morimoto
- Department of Chemistry, Graduate School of ScienceOsaka City University Sumiyoshi-ku Osaka 558–8585 Japan
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15
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Yamaguchi S, Deguchi H, Kawauchi S, Motokura K, Miyaji A, Baba T. Mechanistic Insight into Biomass Conversion to Five-membered Lactone Based on Computational and Experimental Analysis. ChemistrySelect 2017. [DOI: 10.1002/slct.201601888] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Sho Yamaguchi
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology; Tokyo Institute of Technology; 4259-G1-14 Nagatsuta-cho, Midori-ku, Yokohama Kanagawa 226-8502 Japan
| | - Hikaru Deguchi
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology; Tokyo Institute of Technology; 2-12-1-E4-6, Ookayama, Meguro-ku Tokyo 152-8552 Japan
| | - Susumu Kawauchi
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology; Tokyo Institute of Technology; 2-12-1-E4-6, Ookayama, Meguro-ku Tokyo 152-8552 Japan
| | - Ken Motokura
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology; Tokyo Institute of Technology; 4259-G1-14 Nagatsuta-cho, Midori-ku, Yokohama Kanagawa 226-8502 Japan
| | - Akimitsu Miyaji
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology; Tokyo Institute of Technology; 4259-G1-14 Nagatsuta-cho, Midori-ku, Yokohama Kanagawa 226-8502 Japan
| | - Toshihide Baba
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology; Tokyo Institute of Technology; 4259-G1-14 Nagatsuta-cho, Midori-ku, Yokohama Kanagawa 226-8502 Japan
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16
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Kempter I, Schur C, Huttenlochner K, Bergsträßer RM, Wolff B, Kopf T, Hartung J. 2,3-cis-Cyclization of 4-pentenoxyl radicals. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.07.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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17
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Yamaguchi S, Baba T. A Novel Strategy for Biomass Upgrade: Cascade Approach to the Synthesis of Useful Compounds via C-C Bond Formation Using Biomass-Derived Sugars as Carbon Nucleophiles. Molecules 2016; 21:E937. [PMID: 27447603 PMCID: PMC6273538 DOI: 10.3390/molecules21070937] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Revised: 07/12/2016] [Accepted: 07/18/2016] [Indexed: 11/29/2022] Open
Abstract
Due to the depletion of fossil fuels, biomass-derived sugars have attracted increasing attention in recent years as an alternative carbon source. Although significant advances have been reported in the development of catalysts for the conversion of carbohydrates into key chemicals (e.g., degradation approaches based on the dehydration of hydroxyl groups or cleavage of C-C bonds via retro-aldol reactions), only a limited range of products can be obtained through such processes. Thus, the development of a novel and efficient strategy targeted towards the preparation of a range of compounds from biomass-derived sugars is required. We herein describe the highly-selective cascade syntheses of a range of useful compounds using biomass-derived sugars as carbon nucleophiles. We focus on the upgrade of C2 and C3 oxygenates generated from glucose to yield useful compounds via C-C bond formation. The establishment of this novel synthetic methodology to generate valuable chemical products from monosaccharides and their decomposed oxygenated materials renders carbohydrates a potential alternative carbon resource to fossil fuels.
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Affiliation(s)
- Sho Yamaguchi
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 4259-G1-14 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8502, Japan.
| | - Toshihide Baba
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 4259-G1-14 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8502, Japan.
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Hoshi A, Sakamoto T, Takayama J, Xuan M, Okazaki M, Hartman TL, Buckheit RW, Pannecouque C, Cushman M. Systematic evaluation of methyl ester bioisosteres in the context of developing alkenyldiarylmethanes (ADAMs) as non-nucleoside reverse transcriptase inhibitors (NNRTIs) for anti-HIV-1 chemotherapy. Bioorg Med Chem 2016; 24:3006-3022. [DOI: 10.1016/j.bmc.2016.05.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Revised: 05/03/2016] [Accepted: 05/09/2016] [Indexed: 10/21/2022]
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19
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Martinez ST, Belouezzane C, Pinto AC, Glasnov T. Synthetic Strategies towards the Azabicyclo[3.3.0]-Octane Core of Natural Pyrrolizidine Alkaloids. An Overview. ORG PREP PROCED INT 2016. [DOI: 10.1080/00304948.2016.1165058] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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20
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Yamaguchi S, Matsuo T, Motokura K, Miyaji A, Baba T. Cascade Synthesis of Five-Membered Lactones using Biomass-Derived Sugars as Carbon Nucleophiles. Chem Asian J 2016; 11:1731-7. [PMID: 27061111 DOI: 10.1002/asia.201600307] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Revised: 03/28/2016] [Indexed: 11/07/2022]
Abstract
We report the cascade synthesis of five-membered lactones from a biomass-derived triose sugar, 1,3-dihydroxyacetone, and various aldehydes. This achievement provides a new synthetic strategy to generate a wide range of valuable compounds from a single biomass-derived sugar. Among several examined Lewis acid catalysts, homogeneous tin chloride catalysts exhibited the best performance to form carbon-carbon bonds. The scope and limitations of the synthesis of five-membered lactones using aldehyde compounds are investigated. The cascade reaction led to high product selectivity as well as diastereoselectivity, and the mechanism leading to the diastereoselectivity was discussed based on isomerization experiments and density functional theory (DFT) calculations. The present results are expected to support new approaches for the efficient utilization of biomass-derived sugars.
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Affiliation(s)
- Sho Yamaguchi
- Department of Environmental Chemistry and Engineering, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology, 4259-G1-14 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa, 226-8502, Japan.
| | - Takeaki Matsuo
- Department of Environmental Chemistry and Engineering, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology, 4259-G1-14 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa, 226-8502, Japan
| | - Ken Motokura
- Department of Environmental Chemistry and Engineering, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology, 4259-G1-14 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa, 226-8502, Japan
| | - Akimitsu Miyaji
- Department of Environmental Chemistry and Engineering, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology, 4259-G1-14 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa, 226-8502, Japan
| | - Toshihide Baba
- Department of Environmental Chemistry and Engineering, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology, 4259-G1-14 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa, 226-8502, Japan
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21
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Yamaguchi S, Matsuo T, Motokura K, Miyaji A, Baba T. Influence of the Interaction between a Tin Catalyst and an Accelerator on the Formose-Inspired Synthesis of α-Hydroxy-γ-butyrolactone. ChemCatChem 2016. [DOI: 10.1002/cctc.201501377] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Sho Yamaguchi
- Department of Environmental Chemistry and Engineering; Interdisciplinary Graduate School of Science and Engineering; Tokyo Institute of Technology; 4259-G1-14 Nagatsuta-cho Midori-ku Yokohama, Kanagawa 226-8502 Japan
| | - Takeaki Matsuo
- Department of Environmental Chemistry and Engineering; Interdisciplinary Graduate School of Science and Engineering; Tokyo Institute of Technology; 4259-G1-14 Nagatsuta-cho Midori-ku Yokohama, Kanagawa 226-8502 Japan
| | - Ken Motokura
- Department of Environmental Chemistry and Engineering; Interdisciplinary Graduate School of Science and Engineering; Tokyo Institute of Technology; 4259-G1-14 Nagatsuta-cho Midori-ku Yokohama, Kanagawa 226-8502 Japan
| | - Akimitsu Miyaji
- Department of Environmental Chemistry and Engineering; Interdisciplinary Graduate School of Science and Engineering; Tokyo Institute of Technology; 4259-G1-14 Nagatsuta-cho Midori-ku Yokohama, Kanagawa 226-8502 Japan
| | - Toshihide Baba
- Department of Environmental Chemistry and Engineering; Interdisciplinary Graduate School of Science and Engineering; Tokyo Institute of Technology; 4259-G1-14 Nagatsuta-cho Midori-ku Yokohama, Kanagawa 226-8502 Japan
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22
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Yamaguchi S, Baba T. Cascade Approach to the Synthesis of Useful Compounds Using Various Natural Carbon Resources. J SYN ORG CHEM JPN 2016. [DOI: 10.5059/yukigoseikyokaishi.74.975] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Sho Yamaguchi
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology
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23
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Yamaguchi S, Matsuo T, Motokura K, Sakamoto Y, Miyaji A, Baba T. Mechanistic Insight into a Sugar-Accelerated Tin-Catalyzed Cascade Synthesis of α-Hydroxy-γ-butyrolactone from Formaldehyde. CHEMSUSCHEM 2015; 8:3661-3667. [PMID: 26437691 DOI: 10.1002/cssc.201500885] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Indexed: 06/05/2023]
Abstract
Applications of the formose reaction, which involves the formation of sugars from formaldehyde, have previously been confined to the selective synthesis of unprotected sugars. Herein, it is demonstrated that α-hydroxy-γ-butyrolactone (HBL), which is one of the most important intermediates in pharmaceutical syntheses, can be produced from paraformaldehyde. In the developed reaction system, homogeneous tin chloride exhibits high catalytic activity and the addition of mono- and disaccharides accelerates the formation of HBL. These observations suggest that the formose reaction may serve as a feasible pathway for the synthesis of important chemicals.
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Affiliation(s)
- Sho Yamaguchi
- Department of Environmental Chemistry and Engineering, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology, 4259-G1-14 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa, 226-8502, Japan), Fax: (+81) 045-924-5441.
| | - Takeaki Matsuo
- Department of Environmental Chemistry and Engineering, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology, 4259-G1-14 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa, 226-8502, Japan), Fax: (+81) 045-924-5441
| | - Ken Motokura
- Department of Environmental Chemistry and Engineering, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology, 4259-G1-14 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa, 226-8502, Japan), Fax: (+81) 045-924-5441
| | - Yasuharu Sakamoto
- Department of Environmental Chemistry and Engineering, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology, 4259-G1-14 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa, 226-8502, Japan), Fax: (+81) 045-924-5441
| | - Akimitsu Miyaji
- Department of Environmental Chemistry and Engineering, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology, 4259-G1-14 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa, 226-8502, Japan), Fax: (+81) 045-924-5441
| | - Toshihide Baba
- Department of Environmental Chemistry and Engineering, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology, 4259-G1-14 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa, 226-8502, Japan), Fax: (+81) 045-924-5441
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24
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Atmuri NDP, Lubell WD. Insight into Transannular Cyclization Reactions To Synthesize Azabicyclo[X.Y.Z]alkanone Amino Acid Derivatives from 8-, 9-, and 10-Membered Macrocyclic Dipeptide Lactams. J Org Chem 2015; 80:4904-18. [DOI: 10.1021/acs.joc.5b00237] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- 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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25
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Li YX, Shimada Y, Sato K, Kato A, Zhang W, Jia YM, Fleet GWJ, Xiao M, Yu CY. Synthesis and Glycosidase Inhibition of Australine and Its Fluorinated Derivatives. Org Lett 2015; 17:716-9. [DOI: 10.1021/ol503728e] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yi-Xian Li
- Beijing
National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory
of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Yousuke Shimada
- Department
of Hospital Pharmacy, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
| | - Kasumi Sato
- Department
of Hospital Pharmacy, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
| | - Atsushi Kato
- Department
of Hospital Pharmacy, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
| | - Wei Zhang
- Beijing
National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory
of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Yue-Mei Jia
- Beijing
National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory
of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - George W. J. Fleet
- Chemistry
Research Laboratory, Department of Chemistry, University of Oxford, Mansfield Road, Oxford, OX1 3TA, U.K
- National
Engineering Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang 330022, P. R. China
| | - Min Xiao
- State
Key Laboratory of Microbial Technology and National Glycoengineering
Research Center, Shandong University, Jinan 250100, P. R. China
| | - Chu-Yi Yu
- Beijing
National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory
of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- National
Engineering Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang 330022, P. R. China
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26
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Walter MR, Artner D, Stanetty C. Synthesis of [13C4]-labeled 2′-deoxymugineic acid. J Labelled Comp Radiopharm 2014; 57:710-4. [DOI: 10.1002/jlcr.3242] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2014] [Accepted: 09/24/2014] [Indexed: 11/08/2022]
Affiliation(s)
- Martin R. Walter
- Department of Chemistry; University of Natural Resources and Life Sciences-Vienna; Muthgasse 18 A-1190 Vienna Austria
| | - Daniel Artner
- Department of Chemistry; University of Natural Resources and Life Sciences-Vienna; Muthgasse 18 A-1190 Vienna Austria
| | - Christian Stanetty
- Department of Chemistry; University of Natural Resources and Life Sciences-Vienna; Muthgasse 18 A-1190 Vienna Austria
- Department of Chemistry; University of Durham; South Road Durham DH1 3LE UK
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27
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Abstract
This review covers pyrrolizidine alkaloids isolated from natural sources. Topics include: aspects of structure, isolation, and biological/pharmacological studies; total syntheses of necic acids, necine bases and closely-related non-natural analogues.
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Affiliation(s)
- Jeremy Robertson
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Mansfield Road, Oxford, OX1 3TA, UK.
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28
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Roncaglia F, Ghelfi F, Felluga F, Poppi V. Simultaneous deprotection–oxidation of cyclic hemiacetals: a fine ending for a Ueno–Stork ATRC to dichloro-γ-lactones. Tetrahedron Lett 2014. [DOI: 10.1016/j.tetlet.2014.03.090] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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29
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Rizzo A, Harutyunyan SR. Azabicycles construction: the transannular ring contraction with N-protected nucleophiles. Org Biomol Chem 2014; 12:6570-9. [DOI: 10.1039/c4ob01311e] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Synthetic strategies are one of the most critical factors for the success of a synthetic campaign, but most importantly they are crucial for the economy and the efficiency of the sequence.
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Affiliation(s)
- Antonio Rizzo
- University of Groningen
- Stratingh Institute
- Groningen, Netherlands
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30
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31
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Dhand V, Draper JA, Moore J, Britton R. A Short, Organocatalytic Formal Synthesis of (−)-Swainsonine and Related Alkaloids. Org Lett 2013; 15:1914-7. [DOI: 10.1021/ol400566j] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Vijay Dhand
- Department of Chemistry, Simon Fraser University, Burnaby, British Columbia, Canada
| | - Jason A. Draper
- Department of Chemistry, Simon Fraser University, Burnaby, British Columbia, Canada
| | - Jarod Moore
- Department of Chemistry, Simon Fraser University, Burnaby, British Columbia, Canada
| | - Robert Britton
- Department of Chemistry, Simon Fraser University, Burnaby, British Columbia, Canada
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32
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Brock EA, Davies SG, Lee JA, Roberts PM, Thomson JE. Polyhydroxylated pyrrolizidine alkaloids from transannular iodoaminations: application to the asymmetric syntheses of (−)-hyacinthacine A1, (−)-7a-epi-hyacinthacine A1, (−)-hyacinthacine A2, and (−)-1-epi-alexine. Org Biomol Chem 2013; 11:3187-202. [DOI: 10.1039/c3ob40205c] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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33
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Haleema S, Sasi PV, Ibnusaud I, Polavarapu PL, Kagan HB. Enantiomerically pure compounds related to chiral hydroxy acids derived from renewable resources. RSC Adv 2012. [DOI: 10.1039/c2ra21205f] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
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34
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Mahajan V, Gais H. Ring‐Closing Metathesis of Sulfoximine‐Substituted N‐Tethered Trienes: Modular Asymmetric Synthesis of Medium‐Ring Nitrogen Heterocycles. Chemistry 2011; 17:6187-95. [DOI: 10.1002/chem.201003172] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2010] [Indexed: 11/07/2022]
Affiliation(s)
- Vishal Mahajan
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen (Germany), Fax: (+49) 241‐8092665
- Present address: SAI Advantium Pharma Ltd, Chrysalis Enclave, International Biotech Park, Phase II, Hinjewadi, Pune 411057 (India)
| | - Hans‐Joachim Gais
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen (Germany), Fax: (+49) 241‐8092665
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35
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Brock EA, Davies SG, Lee JA, Roberts PM, Thomson JE. Asymmetric Synthesis of Polyhydroxylated Pyrrolizidines via Transannular Iodoamination with Concomitant N-Debenzylation. Org Lett 2011; 13:1594-7. [DOI: 10.1021/ol103090z] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- E. Anne Brock
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
| | - Stephen G. Davies
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
| | - James A. Lee
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
| | - Paul M. Roberts
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
| | - James E. Thomson
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
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36
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Schiess R, Gertsch J, Schweizer WB, Altmann KH. Stereoselective Synthesis of 12,13-Cyclopropyl-Epothilone B and Side-Chain-Modified Variants. Org Lett 2011; 13:1436-9. [DOI: 10.1021/ol200114k] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Raphael Schiess
- Swiss Federal Institute of Technology (ETH) Zürich, HCI H405, Wolfgang-Pauli-Str. 10, CH-8093 Zürich, Switzerland, and University of Bern, Bühlstrasse 28, CH-3012 Bern, Switzerland
| | - Jürg Gertsch
- Swiss Federal Institute of Technology (ETH) Zürich, HCI H405, Wolfgang-Pauli-Str. 10, CH-8093 Zürich, Switzerland, and University of Bern, Bühlstrasse 28, CH-3012 Bern, Switzerland
| | - W. Bernd Schweizer
- Swiss Federal Institute of Technology (ETH) Zürich, HCI H405, Wolfgang-Pauli-Str. 10, CH-8093 Zürich, Switzerland, and University of Bern, Bühlstrasse 28, CH-3012 Bern, Switzerland
| | - Karl-Heinz Altmann
- Swiss Federal Institute of Technology (ETH) Zürich, HCI H405, Wolfgang-Pauli-Str. 10, CH-8093 Zürich, Switzerland, and University of Bern, Bühlstrasse 28, CH-3012 Bern, Switzerland
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37
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Franklin AI, Bensa D, Adams H, Coldham I. Transannular dipolar cycloaddition as an approach towards the synthesis of the core ring system of the sarain alkaloids. Org Biomol Chem 2011; 9:1901-7. [DOI: 10.1039/c0ob01019g] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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38
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Royzen M, Taylor MT, Deangelis A, Fox JM. Total Synthesis of Hyacinthacine A2: Stereocontrolled 5-aza-cyclooctene Photoisomerization and Transannular Hydroamination with Planar-to-Point Chirality Transfer. Chem Sci 2011; 2:2162-2165. [PMID: 23125911 DOI: 10.1039/c1sc00442e] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The total synthesis of hyacinthacine A2 is reported via a novel transannular hydroamination in which planar chirality of a 5-aza-trans-cyclooctene precursor is transferred to point chirality in the product. Key to the success of this strategy was the development of a method for establishing absolute planar chirality via stereocontrolled photoisomerization of a 5-aza-cis-cyclooctene. This was accomplished by constructing a 5-aza-cis-cyclooctene precursor with a trans-fused acetonide. The improved diastereoselectivity observed upon photoisomerization of this derivative is attributed to the conformational strain of the eight-membered ring in the minor diastereomer.
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39
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Michalak M, Wicha J. Application of a metathesis reaction in the synthesis of sterically congested medium-sized rings. A direct ring closing versus a double bond migration–ring closing process. Org Biomol Chem 2011; 9:3439-46. [DOI: 10.1039/c1ob05086a] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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40
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Mo F, Li F, Qiu D, Wang J. Enantioselective synthesis of condensed and transannular ring skeletons containing pyrrolidine moiety. Tetrahedron 2010. [DOI: 10.1016/j.tet.2009.12.013] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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41
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Liu WJ, Ye JL, Huang PQ. A flexible approach for the asymmetric syntheses of hyacinthacines A2, A3 and structural confirmation of hyacinthacine A3. Org Biomol Chem 2010; 8:2085-91. [DOI: 10.1039/b926741g] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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42
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Ritthiwigrom T, Willis AC, Pyne SG. Total Synthesis of Uniflorine A, Casuarine, Australine, 3-epi-Australine, and 3,7-Di-epi-australine from a Common Precursor. J Org Chem 2009; 75:815-24. [DOI: 10.1021/jo902355p] [Citation(s) in RCA: 81] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Thunwadee Ritthiwigrom
- School of Chemistry, University of Wollongong, Wollongong, New South Wales, 2522, Australia
| | - Anthony C. Willis
- Research School of Chemistry, Australian National University, Canberra, ACT, 0200, Australia
| | - Stephen G. Pyne
- School of Chemistry, University of Wollongong, Wollongong, New South Wales, 2522, Australia
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43
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Jensen T, Mikkelsen M, Lauritsen A, Andresen TL, Gotfredsen CH, Madsen R. A Concise Synthesis of Castanospermine by the Use of a Transannular Cyclization. J Org Chem 2009; 74:8886-9. [DOI: 10.1021/jo9019495] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Thomas Jensen
- Department of Chemistry, Building 201, Technical University of Denmark, DK-2800 Lyngby, Denmark
| | - Mette Mikkelsen
- Department of Chemistry, Building 201, Technical University of Denmark, DK-2800 Lyngby, Denmark
| | - Anne Lauritsen
- Department of Chemistry, Building 201, Technical University of Denmark, DK-2800 Lyngby, Denmark
| | - Thomas L. Andresen
- Department of Chemistry, Building 201, Technical University of Denmark, DK-2800 Lyngby, Denmark
| | - Charlotte H. Gotfredsen
- Department of Chemistry, Building 201, Technical University of Denmark, DK-2800 Lyngby, Denmark
| | - Robert Madsen
- Department of Chemistry, Building 201, Technical University of Denmark, DK-2800 Lyngby, Denmark
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44
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Danoun G, Ceccon J, Greene AE, Poisson JF. Stereocontrolled Total Synthesis of (+)-1-Deoxynojirimycin. European J Org Chem 2009. [DOI: 10.1002/ejoc.200900595] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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45
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Bourcet E, Fache F, Piva O. Access to the core structure of aurisides by a ring-closing metathesis/transannular ketalisation sequence. Tetrahedron Lett 2009. [DOI: 10.1016/j.tetlet.2009.01.139] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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46
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Legeay JC, Lewis W, Stockman RA. Combining two-directional synthesis and tandem reactions: new access to 3,5-disubstituted pyrrolizidines and first total synthesis of alkaloid cis-223B. Chem Commun (Camb) 2009:2207-9. [DOI: 10.1039/b900451c] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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47
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Black DM, Davis R, Doan BD, Lovelace TC, Millar A, Toczko JF, Xie S. Highly diastereo- and enantioselective catalytic synthesis of the bis-tetrahydrofuran alcohol of Brecanavir and Darunavir. ACTA ACUST UNITED AC 2008. [DOI: 10.1016/j.tetasy.2008.07.037] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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48
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Yamazaki Y, Araki T, Koura M, Shibuya K. A practical synthesis of the PPARα agonist, (R)-K-13675, starting from (S)-2-hydroxybutyrolactone. Tetrahedron 2008. [DOI: 10.1016/j.tet.2008.06.049] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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49
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Takahashi M, Maehara T, Sengoku T, Fujita N, Takabe K, Yoda H. New asymmetric strategy for the total synthesis of naturally occurring (+)-alexine and (−)-7-epi-alexine. Tetrahedron 2008. [DOI: 10.1016/j.tet.2008.03.029] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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50
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Dressel M, Restorp P, Somfai P. Total Synthesis of (+)-Alexine by Utilizing a Highly Stereoselective [3+2] Annulation Reaction of anN-Tosyl-α-Amino Aldehyde and a 1,3-Bis(silyl)propene. Chemistry 2008; 14:3072-7. [DOI: 10.1002/chem.200701776] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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