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Zhang K, Carmo C, Deiana L, Grape ES, Inge AK, Córdova A. Sugar-Assisted Kinetic Resolutions in Metal/Chiral Amine Co-Catalyzed α-Allylations and [4+2] Cycloadditions: Highly Enantioselective Synthesis of Sugar and Chromane Derivatives. Chemistry 2023; 29:e202301725. [PMID: 37402648 DOI: 10.1002/chem.202301725] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 07/04/2023] [Accepted: 07/04/2023] [Indexed: 07/06/2023]
Abstract
Functionalized triose-, furanose and chromane-derivatives were synthesized by the titled reactions. The sugar-assisted kinetic resolution/C-C bond-forming cascade processes generate a functionalized sugar derivative with a quaternary stereocenter in a highly enantioselective fashion (up to >99 % ee) by using a simple combination of metal and chiral amine co-catalysts. Notably, the interplay between the chiral sugar substrate and the chiral amino acid derivative allowed for the construction of a functionalized sugar product with high enantioselectivity (up to 99 %) also when using a combination of racemic amine catalyst (0 % ee) and metal catalyst.
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Affiliation(s)
- Kaiheng Zhang
- Department of Natural Sciences, Mid Sweden University, Holmgatan 10, 85179, Sundsvall, Sweden
| | - Chrislaura Carmo
- Department of Natural Sciences, Mid Sweden University, Holmgatan 10, 85179, Sundsvall, Sweden
| | - Luca Deiana
- Department of Natural Sciences, Mid Sweden University, Holmgatan 10, 85179, Sundsvall, Sweden
| | - Erik Svensson Grape
- Department of Materials and Environmental Chemistry, Arrhenius Laboratory, Stockholm University, 10 691, Stockholm, Sweden
| | - A Ken Inge
- Department of Materials and Environmental Chemistry, Arrhenius Laboratory, Stockholm University, 10 691, Stockholm, Sweden
| | - Armando Córdova
- Department of Natural Sciences, Mid Sweden University, Holmgatan 10, 85179, Sundsvall, Sweden
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2
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Mhaldar SN, Kotkar GD, Tilve SG. Synthetic access to Syn-functionalised chiral hydroxy pyrrolidines and pyrrolidones: Evaluation of α-glucosidase inhibition activity, docking studies and pharmacokinetics prediction. Bioorg Chem 2022; 129:106115. [DOI: 10.1016/j.bioorg.2022.106115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 08/17/2022] [Accepted: 08/24/2022] [Indexed: 11/02/2022]
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3
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Smirnov M, Kucherenko A, Gridnev I, Korlyukov AA, Zlotin S. γ‐Pyronecarbaldehyde‐Based Practical Asymmetric Catalytic Synthesis of Chiral 2,4‐Dihydroxycarboxylic Acids and α‐Hydroxy‐γ‐lactones. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200859] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Maxim Smirnov
- Zelinsky Institute of Organic Chemistry RAS RUSSIAN FEDERATION
| | | | - Ilya Gridnev
- Zelinsky Institute of Organic Chemistry RAS RUSSIAN FEDERATION
| | | | - Sergei Zlotin
- N.D.Zelinsky Institute of Organic Chemistry RUSSIAN FEDERATION
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4
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Du Z, Yuan M, Tao B, Qin W, Liang X, Li Y, Lin H, Zhang L, Da C. Organocatalyzed Highly Enantioselective Aldol Reaction of Aldehydes for Synthesis of (
R
)‐Pantolactone. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Zhi‐Hong Du
- School of Life Sciences Lanzhou University Institute of Biochemistry and Molecular Biology Lanzhou 730000 P. R. China
| | - Meng Yuan
- School of Life Sciences Lanzhou University Institute of Biochemistry and Molecular Biology Lanzhou 730000 P. R. China
| | - Bao‐Xiu Tao
- School of Life Sciences Lanzhou University Institute of Biochemistry and Molecular Biology Lanzhou 730000 P. R. China
| | - Wen‐Juan Qin
- School of Life Sciences Lanzhou University Institute of Biochemistry and Molecular Biology Lanzhou 730000 P. R. China
| | - Xiang‐Ming Liang
- School of Life Sciences Lanzhou University Institute of Biochemistry and Molecular Biology Lanzhou 730000 P. R. China
| | - Yu‐Yan Li
- School of Life Sciences Lanzhou University Institute of Biochemistry and Molecular Biology Lanzhou 730000 P. R. China
| | - Hang Lin
- Hangzhou Xinfu Science & Technology Limited Corporation Hangzhou 311305 P. R. China
| | - Lian‐Chun Zhang
- Hangzhou Xinfu Science & Technology Limited Corporation Hangzhou 311305 P. R. China
| | - Chao‐Shan Da
- School of Life Sciences Lanzhou University Institute of Biochemistry and Molecular Biology Lanzhou 730000 P. R. China
- State Key Laboratory of Applied Organic Chemistry and Key Lab of Preclinical Study for New Drugs of Gansu Province Lanzhou University Lanzhou 730000 P. R. China
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5
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Fanjul-Mosteirín N, del Amo V. Organocatalytic transformations in deep eutectic solvents: Green methodologies made greener. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.131967] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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6
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Kotani S, Hanamure T, Mori Y, Nakajima M. Phosphine‐oxide‐catalyzed Enantioselective Cross‐aldol Reactions of Aldehydes with Trichlorosilane as Lewis Acid Promoter. ChemCatChem 2020. [DOI: 10.1002/cctc.202000914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Shunsuke Kotani
- Graduate School of Pharmaceutical Sciences Kumamoto University 5-1 Oe-honmachi Chuo-ku Kumamoto 862-0973 Japan
| | - Takuya Hanamure
- Graduate School of Pharmaceutical Sciences Kumamoto University 5-1 Oe-honmachi Chuo-ku Kumamoto 862-0973 Japan
| | - Yoshiki Mori
- Graduate School of Pharmaceutical Sciences Kumamoto University 5-1 Oe-honmachi Chuo-ku Kumamoto 862-0973 Japan
| | - Makoto Nakajima
- Graduate School of Pharmaceutical Sciences Kumamoto University 5-1 Oe-honmachi Chuo-ku Kumamoto 862-0973 Japan
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7
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Du ZH, Tao BX, Yuan M, Qin WJ, Xu YL, Wang P, Da CS. Peptide-Catalyzed Highly Asymmetric Cross-Aldol Reaction of Aldehydes to Biomimetically Synthesize 1,4-Dicarbonyls. Org Lett 2020; 22:4444-4450. [PMID: 32463241 DOI: 10.1021/acs.orglett.0c01407] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
β-Turn tetrapeptides were demonstrated to catalyze asymmetric aldol reaction of α-branched aldehydes and α-carbonyl aldehydes, i.e. glyoxylates and α-ketoaldehydes, to biomimetically synthesize acyclic all-carbon quaternary center-bearing 1,4-dicarbonyls in high yield and excellent enantioselectivity under mild conditions. The spatially restricted environment of the tetrapeptide warrants high enantioselectivity and yield with broad substrates. Using this protocol, (R)-pantolactone, the key intermediate of vitamin B5, was readily accessed in a practical, efficient, and environmentally benign process from inexpensive starting materials.
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Affiliation(s)
- Zhi-Hong Du
- Institute of Biochemistry and Molecular Biology, School of Life Sciences, Lanzhou University, Lanzhou 730000, China
| | - Bao-Xiu Tao
- Institute of Biochemistry and Molecular Biology, School of Life Sciences, Lanzhou University, Lanzhou 730000, China
| | - Meng Yuan
- Institute of Biochemistry and Molecular Biology, School of Life Sciences, Lanzhou University, Lanzhou 730000, China
| | - Wen-Juan Qin
- Institute of Biochemistry and Molecular Biology, School of Life Sciences, Lanzhou University, Lanzhou 730000, China
| | - Yan-Li Xu
- Institute of Biochemistry and Molecular Biology, School of Life Sciences, Lanzhou University, Lanzhou 730000, China
| | - Pei Wang
- School of Basic Medical Sciences, Ningxia Medical University, Yinchuan 750004, China
| | - Chao-Shan Da
- Institute of Biochemistry and Molecular Biology, School of Life Sciences, Lanzhou University, Lanzhou 730000, China.,State Key Laboratory of Applied Organic Chemistry, and Key Lab of Preclinical Study for New Drugs of Gansu Province, Lanzhou University, Lanzhou 730000, China
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8
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Deciphering the role of acid additives in chiral diamine-catalyzed asymmetric aldol reactions of cyclohexanones with aldehydes. MOLECULAR CATALYSIS 2020. [DOI: 10.1016/j.mcat.2020.110881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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9
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Downey CW, Dixon GJ, Ingersoll JA, Fuller CN, MacCormac KW, Takashima A, Sediqui R. One-pot enol silane formation-Mukaiyama aldol reactions: Crossed aldehyde-aldehyde coupling, thioester substrates, and reactions in ester solvents. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.151192] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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10
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Du XS, Jia Q, Wang CY, Meguellati K, Yang YW. A pillar[5]arene with an amino-terminated arm stabilizes the formation of aliphatic hemiaminals and imines. Chem Commun (Camb) 2019; 55:5736-5739. [DOI: 10.1039/c9cc01947b] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A self-included mono-amino substituted pillar[5]arene efficiently stabilizes the hemiaminal and imine formation from the reaction of aliphatic amines and aldehydes.
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Affiliation(s)
- Xu-Sheng Du
- International Joint Research Laboratory of Nano-Micro Architecture Chemistry (NMAC)
- College of Chemistry
- Jilin University
- Changchun 130012
- P. R. China
| | - Qiong Jia
- International Joint Research Laboratory of Nano-Micro Architecture Chemistry (NMAC)
- College of Chemistry
- Jilin University
- Changchun 130012
- P. R. China
| | - Chun-Yu Wang
- State Key Laboratory of Supramolecular Structure and Materials
- Jilin University
- Changchun 130012
- P. R. China
| | - Kamel Meguellati
- International Joint Research Laboratory of Nano-Micro Architecture Chemistry (NMAC)
- College of Chemistry
- Jilin University
- Changchun 130012
- P. R. China
| | - Ying-Wei Yang
- International Joint Research Laboratory of Nano-Micro Architecture Chemistry (NMAC)
- College of Chemistry
- Jilin University
- Changchun 130012
- P. R. China
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11
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Fanjul-Mosteirín N, Concellón C, del Amo V. l-Isoleucine in a Choline Chloride/Ethylene Glycol Deep Eutectic Solvent: A Reusable Reaction Kit for the Asymmetric Cross-Aldol Carboligation. Org Lett 2016; 18:4266-9. [DOI: 10.1021/acs.orglett.6b01989] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Noé Fanjul-Mosteirín
- Departamento de Química
Orgánica e Inorgánica, Universidad de Oviedo, C/Julián
Clavería 8, 33006 Oviedo, Spain
| | - Carmen Concellón
- Departamento de Química
Orgánica e Inorgánica, Universidad de Oviedo, C/Julián
Clavería 8, 33006 Oviedo, Spain
| | - Vicente del Amo
- Departamento de Química
Orgánica e Inorgánica, Universidad de Oviedo, C/Julián
Clavería 8, 33006 Oviedo, Spain
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12
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Baba T, Yamamoto J, Hayashi K, Sato M, Yamanaka M, Kawabata T, Furuta T. Catalytic discrimination between formyl groups in regio- and stereoselective intramolecular cross-aldol reactions. Chem Sci 2016; 7:3791-3797. [PMID: 30155021 PMCID: PMC6013812 DOI: 10.1039/c5sc04594k] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2015] [Accepted: 02/18/2016] [Indexed: 11/21/2022] Open
Abstract
Catalytic discrimination between inequivalent formyl groups was achieved using an aniline-type acid-base catalyst for the regio-, diastereo-, and enantioselective intramolecular cross-aldol reactions of enolizable dials. Although l-proline gave a mixture of the regio- and stereoisomeric products in the presence of an N-containing 1,6-dial, the aniline-type catalyst afforded anti-3,4-disubstituted pyrrolidine in high regio-, and stereoselectivity beyond the background reaction, which led to the regioisomeric 2,3-disubstituted products. The mild reactivity of the aniline-type amine facilitated catalytic discrimination between the inequivalent formyl groups. Kinetic isotope effect studies and reductive amination experiments suggested that the regioselectivity was controlled under the enamine-forming steps.
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Affiliation(s)
- Tomonori Baba
- Institute for Chemical Research , Kyoto University , Uji , Kyoto 611-0011 , Japan .
| | - Junya Yamamoto
- Institute for Chemical Research , Kyoto University , Uji , Kyoto 611-0011 , Japan .
| | - Kazuhiro Hayashi
- Institute for Chemical Research , Kyoto University , Uji , Kyoto 611-0011 , Japan .
| | - Makoto Sato
- Department of Chemistry and Research Center for Smart Molecules , Faculty of Science , Rikkyo University , 3-34-1 Nish-Ikebukuro, Toshima-ku , Tokyo 171-8501 , Japan
| | - Masahiro Yamanaka
- Department of Chemistry and Research Center for Smart Molecules , Faculty of Science , Rikkyo University , 3-34-1 Nish-Ikebukuro, Toshima-ku , Tokyo 171-8501 , Japan
| | - Takeo Kawabata
- Institute for Chemical Research , Kyoto University , Uji , Kyoto 611-0011 , Japan .
| | - Takumi Furuta
- Institute for Chemical Research , Kyoto University , Uji , Kyoto 611-0011 , Japan .
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13
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Arias-Ugarte R, Wekesa FS, Findlater M. Selective aldol condensation or cyclotrimerization reactions catalyzed by FeCl3. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.03.040] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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14
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de Gracia Retamosa M, de Cózar A, Sánchez M, Miranda JI, Sansano JM, Castelló LM, Nájera C, Jiménez AI, Sayago FJ, Cativiela C, Cossío FP. Remote Substituent Effects on the Stereoselectivity and Organocatalytic Activity of Densely Substituted Unnatural Proline Esters in Aldol Reactions. European J Org Chem 2015. [DOI: 10.1002/ejoc.201500160] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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15
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Zhang S, Li L, Hu Y, Zha Z, Wang Z, Loh TP. Bifunctional Amino Sulfonohydrazide Catalyzed Direct Asymmetric Mannich Reaction of Cyclic Ketimines with Ketones: Highly Diastereo- and Enantioselective Construction of Quaternary Carbon Stereocenters. Org Lett 2015; 17:1050-3. [DOI: 10.1021/acs.orglett.5b00196] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Sheng Zhang
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Collaborative Innovation Center of Suzhou Nano Science and Technology, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Lijun Li
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Collaborative Innovation Center of Suzhou Nano Science and Technology, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Yanbin Hu
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Collaborative Innovation Center of Suzhou Nano Science and Technology, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Zhenggen Zha
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Collaborative Innovation Center of Suzhou Nano Science and Technology, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Zhiyong Wang
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Collaborative Innovation Center of Suzhou Nano Science and Technology, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Teck-Peng Loh
- Hefei
National Laboratory for Physical Science at the Microscale and Department
of Chemistry, University of Sciences and Technology of China, Hefei, Anhui 230026, P. R. China
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16
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Henseler AH, Ayats C, Pericàs MA. An Enantioselective Recyclable Polystyrene-Supported Threonine-Derived Organocatalyst for Aldol Reactions. Adv Synth Catal 2014. [DOI: 10.1002/adsc.201400033] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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17
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Kühbeck D, Bachl J, Schön EM, Gotor-Fernández V, Díaz Díaz D. Gelatin Protein-Mediated Direct Aldol Reaction. Helv Chim Acta 2014. [DOI: 10.1002/hlca.201300380] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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18
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Desmarchelier A, Coeffard V, Moreau X, Greck C. Asymmetric organocatalytic functionalization of α,α-disubstituted aldehydes through enamine activation. Tetrahedron 2014. [DOI: 10.1016/j.tet.2014.01.056] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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19
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Scheffler U, Mahrwald R. Recent Advances in Organocatalytic Methods for Asymmetric CC Bond Formation. Chemistry 2013; 19:14346-96. [DOI: 10.1002/chem.201301996] [Citation(s) in RCA: 178] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Bergeron-Brlek M, Teoh T, Britton R. A tandem organocatalytic α-chlorination-aldol reaction that proceeds with dynamic kinetic resolution: a powerful tool for carbohydrate synthesis. Org Lett 2013; 15:3554-7. [PMID: 23819733 DOI: 10.1021/ol401370b] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A tandem, proline-catalyzed α-chlorination/aldol reaction is described that involves a dynamic kinetic resolution of α-chloroaldehyde intermediates. The resulting syn-chlorohydrins are produced with good to excellent diastereoselectivity in high enantiopurity and provide new opportunities for the synthesis of carbohydrates.
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Affiliation(s)
- Milan Bergeron-Brlek
- Department of Chemistry, Simon Fraser University, Burnaby, British Columbia, Canada
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21
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Kühbeck D, Bijayi Dhar B, Schön EM, Cativiela C, Gotor-Fernández V, Díaz Díaz D. C-C Bond formation catalyzed by natural gelatin and collagen proteins. Beilstein J Org Chem 2013; 9:1111-8. [PMID: 23843902 PMCID: PMC3701417 DOI: 10.3762/bjoc.9.123] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2013] [Accepted: 05/16/2013] [Indexed: 11/23/2022] Open
Abstract
The activity of gelatin and collagen proteins towards C–C bond formation via Henry (nitroaldol) reaction between aldehydes and nitroalkanes is demonstrated for the first time. Among other variables, protein source, physical state and chemical modification influence product yield and kinetics, affording the nitroaldol products in both aqueous and organic media under mild conditions. Significantly, the scale-up of the process between 4-nitrobenzaldehyde and nitromethane is successfully achieved at 1 g scale and in good yield. A comparative kinetic study with other biocatalysts shows an increase of the first-order rate constant in the order chitosan < gelatin < bovine serum albumin (BSA) < collagen. The results of this study indicate that simple edible gelatin can promote C–C bond forming reactions under physiological conditions, which may have important implications from a metabolic perspective.
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Affiliation(s)
- Dennis Kühbeck
- Institut für Organische Chemie, Universität Regensburg, Universitätsstr. 31, Regensburg 93053, Germany, Tel: + 49 941 943 4681
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Fu A, Zhao C, Li H, Tian F, Yuan S, Duan Y, Wang Z. Density functional study of organocatalytic cross-aldol reactions between two aliphatic aldehydes: insight into their functional differentiation and origins of chemo- and stereoselectivities. J Phys Chem A 2013; 117:2862-72. [PMID: 23442005 DOI: 10.1021/jp3126363] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The chemo-, diastereo-, and enantioselectivities in proline and axially chiral amino sulfonamide-catalyzed direct aldol reactions between two enolizable aldehydes with different electronic nature have been studied with the aid of density functional theory (DFT) method. The potential energy profiles for the enamine formation between each aliphatic aldehyde and the catalyst confirm that two subject catalysts can successfully differentiate between 3-methylbutanal as an enamine component and α-chloroaldehydes as a carbonyl component. Transition states associated with the stereochemistry-determining C-C bond-forming step with the enamine intermediate addition to the aldehyde acceptor for proline and chiral amino sulfonamide-promoted aldol reactions are reported. DFT calculations not only provide a good explanation for the formation of the sole cross-aldol product between two aliphatic aldehydes both bearing α-methylene protons but also well reproduce the opposite syn vs anti diastereoselectivities in the chiral amino sulfonamide and proline-catalyzed aldol reactions.
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Affiliation(s)
- Aiping Fu
- Institute for Computational Science and Engineering, Laboratory of New Fiber Materials and Modern Textile, The Growing Base for State Key Laboratory, Qingdao University, Qingdao 266071, China.
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Volchkov I, Lee D. Asymmetric total synthesis of (-)-amphidinolide V through effective combinations of catalytic transformations. J Am Chem Soc 2013; 135:5324-7. [PMID: 23514007 DOI: 10.1021/ja401717b] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
An asymmetric total synthesis of (-)-amphidinolide V was accomplished. The synthesis features a base-catalyzed alkynyl silane alcoholysis/ring-closing enyne metathesis sequence for facile construction of a 1,3-diene motif. A diene RCM followed by a ring-contractive allylic transposition of cyclic silyl ethers was incorporated for the stereoselective installation of a functionalized 1,5-diene subunit. An efficient proline-mediated direct cross-aldol condensation of two advanced aldehyde intermediates was utilized for the construction of a key α,β-unsaturated epoxyaldehyde. This total synthesis demonstrates the prowess of metal-catalyzed transformations in complex molecule synthesis.
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Affiliation(s)
- Ivan Volchkov
- Department of Chemistry, University of Illinois at Chicago, 845 W. Taylor Street, Chicago, Illinois 60607, USA
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25
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Sawant RT, Stevenson J, Odell LR, Arvidsson PI. Organocatalytic asymmetric cross-aldol reaction of 2-chloroethoxy acetaldehyde: diversity-oriented synthesis of chiral substituted 1,4-dioxanes and morpholines. ACTA ACUST UNITED AC 2013. [DOI: 10.1016/j.tetasy.2012.12.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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26
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Kim D, Lee JS, Kong SB, Han H. Cross-Metathesis/Iridium(I)-catalyzed Allylic Etherification Strategy: (Iterative) Catalytic Asymmetric Synthesis ofsyn-andanti-1,2-Diols. Angew Chem Int Ed Engl 2013; 52:4203-6. [DOI: 10.1002/anie.201209112] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2012] [Indexed: 11/06/2022]
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27
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Kim D, Lee JS, Kong SB, Han H. Cross-Metathesis/Iridium(I)-catalyzed Allylic Etherification Strategy: (Iterative) Catalytic Asymmetric Synthesis ofsyn-andanti-1,2-Diols. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201209112] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Zambrana J, Romea P, Urpí F. Stereoselective titanium-mediated aldol reactions of a chiral isopropyl ketone. Chem Commun (Camb) 2013; 49:4507-9. [DOI: 10.1039/c3cc41640b] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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