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Hayashi Y, Hatano Y, Mori N. Asymmetric Michael reaction of malononitrile and α,β-unsaturated aldehydes catalyzed by diarylprolinol silyl ether. Synlett 2022. [DOI: 10.1055/a-1846-5007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
The asymmetric Michael reaction of malononitrile and α,β-unsaturated aldehydes catalyzed by diarylprolinol silyl ether was developed. Michael products were obtained in good yield and with excellent enantioselectivity without formation of overreaction products. As a malononitrile moiety can be transformed into alkoxy or amino carbonyl moieties by oxidative transformation, an α-chiral ester or amide with an all-carbon quaternary center can be synthesized with excellent enantioselectivity.
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Affiliation(s)
- Yujiro Hayashi
- Department of Chemistry, Tohoku University, Sendai, Japan
| | - Yutaro Hatano
- Department of Chemistry, Tohoku University, Sendai, Japan
| | - Naoki Mori
- Department of Chemistry, Tohoku University, Sendai, Japan
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2
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Tobal IE, Bautista R, Diez D, Garrido NM, García-García P. 1,3-Cyclohexadien-1-Als: Synthesis, Reactivity and Bioactivities. Molecules 2021; 26:1772. [PMID: 33809941 PMCID: PMC8004145 DOI: 10.3390/molecules26061772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 03/09/2021] [Accepted: 03/12/2021] [Indexed: 11/16/2022] Open
Abstract
In synthetic organic chemistry, there are very useful basic compounds known as building blocks. One of the main reactions wherein they are applied for the synthesis of complex molecules is the Diels-Alder cycloaddition. This reaction is between a diene and a dienophile. Among the most important dienes are the cyclic dienes, as they facilitate the reaction. This review considers the synthesis and reactivity of one of these dienes with special characteristics-it is cyclic and has an electron withdrawing group. This building block has been used for the synthesis of biologically active compounds and is present in natural compounds with interesting properties.
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Affiliation(s)
- Ignacio E. Tobal
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, University of Salamanca, Plaza de los Caídos 1–5, 37008 Salamanca, Spain; (I.E.T.); (R.B.); (D.D.); (N.M.G.)
| | - Rocío Bautista
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, University of Salamanca, Plaza de los Caídos 1–5, 37008 Salamanca, Spain; (I.E.T.); (R.B.); (D.D.); (N.M.G.)
| | - David Diez
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, University of Salamanca, Plaza de los Caídos 1–5, 37008 Salamanca, Spain; (I.E.T.); (R.B.); (D.D.); (N.M.G.)
| | - Narciso M. Garrido
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, University of Salamanca, Plaza de los Caídos 1–5, 37008 Salamanca, Spain; (I.E.T.); (R.B.); (D.D.); (N.M.G.)
| | - Pilar García-García
- Departamento de Ciencias Farmacéuticas, Facultad de Farmacia, CIETUS, IBSAL, University of Salamanca, Campus Miguel de Unamuno, 37007 Salamanca, Spain
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3
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Huang Y, Zha Z, Wang Z. Copper Catalyzed Diastereo- and Enantioselective 1,4-Addition Michael Reaction of 2,3-Dioxopyrrolidines with Nitroalkanes in Aqueous Media. Org Lett 2020; 22:2512-2516. [PMID: 32069055 DOI: 10.1021/acs.orglett.0c00030] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
A good diastereo- and enantioselective 1,4-addition Michael reaction catalyzed by a chiral copper complex was developed in aqueous media. A series of nitro-containing pyrrolidones could be gained in high yields with excellent diastereoselectivities and good ee values by virtue of this developed method. It affords a facile access to construct carbon-carbon bonds with water and air tolerance. Furthermore, the gram scale synthesis was conducted successfully to give rise to the corresponding products.
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Affiliation(s)
- Yekai Huang
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences, Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials Science in 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 & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences, Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials Science in 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 & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences, Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials Science in University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
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4
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Akagawa K, Kudo K. Design of Peptide Catalysts by Combining Secondary Structural Units for Selective Reactions. J SYN ORG CHEM JPN 2019. [DOI: 10.5059/yukigoseikyokaishi.77.1222] [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)
| | - Kazuaki Kudo
- Institute of Industrial Science, The University of Tokyo
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5
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Nödling AR, Świderek K, Castillo R, Hall JW, Angelastro A, Morrill LC, Jin Y, Tsai Y, Moliner V, Luk LYP. Reactivity and Selectivity of Iminium Organocatalysis Improved by a Protein Host. Angew Chem Int Ed Engl 2018; 57:12478-12482. [PMID: 30027571 PMCID: PMC6531919 DOI: 10.1002/anie.201806850] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Revised: 07/18/2018] [Indexed: 12/23/2022]
Abstract
There has been growing interest in performing organocatalysis within a supramolecular system as a means of controlling reaction reactivity and stereoselectivity. Here, a protein is used as a host for iminium catalysis. A pyrrolidine moiety is covalently linked to biotin and introduced to the protein host streptavidin for organocatalytic activity. Whereas in traditional systems stereoselectivity is largely controlled by the substituents added to the organocatalyst, enantiomeric enrichment by the reported supramolecular system is completely controlled by the host. Also, the yield of the model reaction increases over 10-fold when streptavidin is included. A 1.1 Å crystal structure of the protein-catalyst complex and molecular simulations of a key intermediate reveal the chiral scaffold surrounding the organocatalytic reaction site. This work illustrates that proteins can be an excellent supramolecular host for driving stereoselective secondary amine organocatalysis.
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Affiliation(s)
| | - Katarzyna Świderek
- Department de Química Física i AnalíticaUniversitat Jaume I12071CastellóSpain
| | - Raquel Castillo
- Department de Química Física i AnalíticaUniversitat Jaume I12071CastellóSpain
| | - Jonathan W. Hall
- School of Chemistry, Main BuildingCardiff UniversityCardiffCF10 3ATUK
| | | | - Louis C. Morrill
- School of Chemistry, Main BuildingCardiff UniversityCardiffCF10 3ATUK
| | - Yi Jin
- School of Chemistry, Main BuildingCardiff UniversityCardiffCF10 3ATUK
| | - Yu‐Hsuan Tsai
- School of Chemistry, Main BuildingCardiff UniversityCardiffCF10 3ATUK
| | - Vicent Moliner
- Department de Química Física i AnalíticaUniversitat Jaume I12071CastellóSpain
| | - Louis Y. P. Luk
- School of Chemistry, Main BuildingCardiff UniversityCardiffCF10 3ATUK
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6
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Nödling AR, Świderek K, Castillo R, Hall JW, Angelastro A, Morrill LC, Jin Y, Tsai YH, Moliner V, Luk LYP. Reactivity and Selectivity of Iminium Organocatalysis Improved by a Protein Host. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201806850] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
| | - Katarzyna Świderek
- Department de Química Física i Analítica; Universitat Jaume I; 12071 Castelló Spain
| | - Raquel Castillo
- Department de Química Física i Analítica; Universitat Jaume I; 12071 Castelló Spain
| | - Jonathan W. Hall
- School of Chemistry, Main Building; Cardiff University; Cardiff CF10 3AT UK
| | - Antonio Angelastro
- School of Chemistry, Main Building; Cardiff University; Cardiff CF10 3AT UK
| | - Louis C. Morrill
- School of Chemistry, Main Building; Cardiff University; Cardiff CF10 3AT UK
| | - Yi Jin
- School of Chemistry, Main Building; Cardiff University; Cardiff CF10 3AT UK
| | - Yu-Hsuan Tsai
- School of Chemistry, Main Building; Cardiff University; Cardiff CF10 3AT UK
| | - Vicent Moliner
- Department de Química Física i Analítica; Universitat Jaume I; 12071 Castelló Spain
| | - Louis Y. P. Luk
- School of Chemistry, Main Building; Cardiff University; Cardiff CF10 3AT UK
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Li J, Lear MJ, Hayashi Y. Autoinductive conversion of α,α-diiodonitroalkanes to amides and esters catalysed by iodine byproducts under O 2. Chem Commun (Camb) 2018; 54:6360-6363. [PMID: 29868676 DOI: 10.1039/c8cc03191f] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Studies to convert nitroalkanes into amides and esters using I2 and O2 revealed in situ-generated iodine species facilitate the homolytic C-I bond cleavage of α,α-diiodonitroalkanes, arguably in an autoinductive or autocatalytic manner. Consequently, we devised a rapid and economical I2/O2-based method to synthesise sterically hindered esters directly from primary nitroalkanes.
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Affiliation(s)
- Jing Li
- Department of Chemistry, Graduate School of Science, Tohoku University, Aza Aramaki, Aoba-ku, Sendai 980-8578, Japan.
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Abstract
The one-pot synthesis of a target molecule in the same reaction vessel is widely considered to be an efficient approach in synthetic organic chemistry. In this review, the characteristics and limitations of various one-pot syntheses of biologically active molecules are explained, primarily involving organocatalytic methods as key tactics. Besides catalysis, the pot-economy concepts presented herein are also applicable to organometallic and organic reaction methods in general.
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Affiliation(s)
- Yujiro Hayashi
- Department of Chemistry , Graduate School of Science , Tohoku University , 6-3 Aramaki-Aza Aoba, Aoba-ku , Sendai 980-8578 , Japan . ; ; Tel: +81-22-795-3554
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9
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Liu WX, Chen SK, Tian JM, Tu YQ, Wang SH, Zhang FM. A Triazole Organocatalyst with Spiropyrrolidine Framework and its Application to the Catalytic Asymmetric Addition of Nitromethane to α,β-Unsaturated Aldehydes. Adv Synth Catal 2015. [DOI: 10.1002/adsc.201500582] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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10
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Bernardi L, Fochi M, Carbone R, Martinelli A, Fox ME, Cobley CJ, Kandagatla B, Oruganti S, Dahanukar VH, Carlone A. Organocatalytic Asymmetric Conjugate Additions to Cyclopent‐1‐enecarbaldehyde: A Critical Assessment of Organocatalytic Approaches towards the Telaprevir Bicyclic Core. Chemistry 2015; 21:19208-22. [DOI: 10.1002/chem.201503352] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2015] [Indexed: 11/08/2022]
Affiliation(s)
- Luca Bernardi
- Department of Industrial Chemistry “Toso Montanari” and, INSTM RU Bologna, Alma Mater Studiorum – University of Bologna, V. Risorgimento 4, 40136 Bologna (Italy)
| | - Mariafrancesca Fochi
- Department of Industrial Chemistry “Toso Montanari” and, INSTM RU Bologna, Alma Mater Studiorum – University of Bologna, V. Risorgimento 4, 40136 Bologna (Italy)
| | - Riccardo Carbone
- Department of Industrial Chemistry “Toso Montanari” and, INSTM RU Bologna, Alma Mater Studiorum – University of Bologna, V. Risorgimento 4, 40136 Bologna (Italy)
| | - Ada Martinelli
- Department of Industrial Chemistry “Toso Montanari” and, INSTM RU Bologna, Alma Mater Studiorum – University of Bologna, V. Risorgimento 4, 40136 Bologna (Italy)
| | - Martin E. Fox
- Chirotech Technology Centre, Dr. Reddy's Laboratories, 410 Cambridge Science Park, Milton Road, Cambridge CB4 0PE (UK)
| | - Christopher J. Cobley
- Chirotech Technology Centre, Dr. Reddy's Laboratories, 410 Cambridge Science Park, Milton Road, Cambridge CB4 0PE (UK)
| | - Bhaskar Kandagatla
- Center for Process Research & Innovation, Dr. Reddy's Institute of Life Science, University of Hyderabad Campus, Gachibowli, Hyderabad 500 046, Telangana (India)
| | - Srinivas Oruganti
- Center for Process Research & Innovation, Dr. Reddy's Institute of Life Science, University of Hyderabad Campus, Gachibowli, Hyderabad 500 046, Telangana (India)
| | - Vilas H. Dahanukar
- Innovation Plaza, Integrated Product Development Organization, Dr. Reddy's Laboratories Ltd. Bachupally, Qutubullapur Hyderabad 500 090, Telangana (India)
| | - Armando Carlone
- Chirotech Technology Centre, Dr. Reddy's Laboratories, 410 Cambridge Science Park, Milton Road, Cambridge CB4 0PE (UK)
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11
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Tian JM, Yuan YH, Tu YQ, Zhang FM, Zhang XB, Zhang SH, Wang SH, Zhang XM. The design of a spiro-pyrrolidine organocatalyst and its application to catalytic asymmetric Michael addition for the construction of all-carbon quaternary centers. Chem Commun (Camb) 2015; 51:9979-82. [PMID: 25998622 DOI: 10.1039/c5cc02765a] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
A novel chiral spiro-pyrrolidine silyl ether organocatalyst has been designed. Its catalytic asymmetric effect is demonstrated by the Michael addition reaction, which affords the desired products with an all-carbon quaternary center in up to 99% ee and 87% yield. Furthermore, the reaction process has been investigated via in situ NMR experiments.
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Affiliation(s)
- Jin-Miao Tian
- State Key Laboratory of Applied Organic Chemistry & College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China.
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12
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Ballini R, Petrini M. The Nitro to Carbonyl Conversion (Nef Reaction): New Perspectives for a Classical Transformation. Adv Synth Catal 2015. [DOI: 10.1002/adsc.201500008] [Citation(s) in RCA: 91] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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13
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Gotoh H, Uchimaru T, Hayashi Y. Two Reaction Mechanisms via Iminium Ion Intermediates: The Different Reactivities of Diphenylprolinol Silyl Ether and Trifluoromethyl-Substituted Diarylprolinol Silyl Ether. Chemistry 2015; 21:12337-46. [DOI: 10.1002/chem.201500326] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2015] [Indexed: 11/09/2022]
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14
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Gu X, Dai Y, Guo T, Franchino A, Dixon DJ, Ye J. A general, scalable, organocatalytic nitro-Michael addition to enones: enantioselective access to all-carbon quaternary stereocenters. Org Lett 2015; 17:1505-8. [PMID: 25760410 DOI: 10.1021/acs.orglett.5b00387] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A tert-leucine-derived chiral diamine catalyzes the asymmetric Michael addition of nitromethane to five-, six-, and seven-membered β-substituted cyclic enones with excellent enantioselectivity, offering scalable, asymmetric access to all-carbon quaternary stereocenters. The reaction scope can be expanded to include linear acyclic enones, and excellent levels of enantioselectivity are also observed. Furthermore, this organocatalytic, asymmetric nitro-Michael reaction is amenable to multigram scale-up and applications in the construction of an eudesmane sesquiterpenoid skeleton.
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Affiliation(s)
- Xiaodong Gu
- †Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Yuanyuan Dai
- †Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Tingting Guo
- †Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Allegra Franchino
- ‡Department of Chemistry, Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA, United Kingdom
| | - Darren J Dixon
- ‡Department of Chemistry, Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA, United Kingdom
| | - Jinxing Ye
- †Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
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15
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Bai Z, Ji L, Ge Z, Wang X, Li R. Asymmetric Michael addition reactions of nitroalkanes to 2-furanones catalyzed by bifunctional thiourea catalysts. Org Biomol Chem 2015; 13:5363-6. [DOI: 10.1039/c5ob00708a] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The first bifunctional thiourea catalyzed asymmetric Michael addition reactions of nitroalkanes to 2-furanones are described.
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Affiliation(s)
- Zhushuang Bai
- State Key Laboratory of Nature and Biomimtic Drugs
- School of Pharmaceutical Sciences
- Peking University
- Beijing 100191
- China
| | - Ling Ji
- State Key Laboratory of Nature and Biomimtic Drugs
- School of Pharmaceutical Sciences
- Peking University
- Beijing 100191
- China
| | - Zemei Ge
- State Key Laboratory of Nature and Biomimtic Drugs
- School of Pharmaceutical Sciences
- Peking University
- Beijing 100191
- China
| | - Xin Wang
- State Key Laboratory of Nature and Biomimtic Drugs
- School of Pharmaceutical Sciences
- Peking University
- Beijing 100191
- China
| | - Runtao Li
- State Key Laboratory of Nature and Biomimtic Drugs
- School of Pharmaceutical Sciences
- Peking University
- Beijing 100191
- China
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16
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Bixa T, Hunter R, Andrijevic A, Petersen W, Su H, Dhoro F. Stereoselective formation of quaternary stereogenic centers via alkylation of α-substituted malonate-imidazolidinones. J Org Chem 2014; 80:762-9. [PMID: 25485811 DOI: 10.1021/jo502140d] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A new stereoselective alkylation methodology is presented for formation of chiral, nonracemic quaternary centers via a chiral auxiliary protocol involving α-alkylated malonate imidazolidinones. Based on two X-ray structures of quaternized products, the diastereoselectivity observed may be rationalized via a transition-state involving an s-transC-N conformation of the C-N bond of the auxiliary, with the metal cation (K(+)) chelated into the malonate six-membered hole as a Z-enolate. A deprotection protocol involving ethanethiolate exchange of the imide to the corresponding thioester, followed by a standard Fukuyama reduction and a borohydride reduction, furnishes α,α'-quaternized β-hydroxypropionates in high ee overall.
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Affiliation(s)
- Thobela Bixa
- Department of Chemistry, University of Cape Town , Rondebosch 7701, South Africa
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17
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Kwiatkowski P, Cholewiak A, Kasztelan A. Efficient and Highly Enantioselective Construction of Trifluoromethylated Quaternary Stereogenic Centers via High-Pressure Mediated Organocatalytic Conjugate Addition of Nitromethane to β,β-Disubstituted Enones. Org Lett 2014; 16:5930-3. [DOI: 10.1021/ol502941d] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Piotr Kwiatkowski
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
| | - Agnieszka Cholewiak
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
| | - Adrian Kasztelan
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
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