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Dong W, Zhao Z, Gu CZ, Liu JG, Yang S, Fang X. Copper-Catalyzed Umpolung Reactivity of Propargylic Carbonates in the Presence of Diboronates: One Stone Four Birds. J Am Chem Soc 2023; 145:27539-27554. [PMID: 38019885 DOI: 10.1021/jacs.3c09155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2023]
Abstract
Allylation and propargylation are two powerful synthetic strategies for making new substances that have been of significant importance in chemistry, medicine, and material fields. Conventional tactics employ various preformed allylation and propargylation reagents. In this study, a conceptually novel copper-catalyzed and B2pin2-mediated Umpolung reactivity of propargylic carbonates has been achieved for the first time, realizing both allylation and propargylation of aldehydes and ketones without additional reductants. Three types of allylation products and one type of propargylation product are generated efficiently, and all allylation products are formed with syn-configurations predominantly. The choice of ligands plays a vital role in modulating the Umpolung modes. The synthetic applications have been demonstrated in a myriad of further transformations including natural product synthesis, and systematic mechanistic studies have been conducted to reveal detailed insights into the Umpolung processes.
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Affiliation(s)
- Wennan Dong
- State Key Laboratory of Structural Chemistry, and Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, University of Chinese Academy of Sciences, Fuzhou 350100, China
| | - Zhifei Zhao
- State Key Laboratory of Structural Chemistry, and Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, University of Chinese Academy of Sciences, Fuzhou 350100, China
- School of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832000, China
| | - Cheng-Zhi Gu
- School of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832000, China
| | - Jing-Gong Liu
- Orthopedics Department, Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou 510120, China
| | - Shuang Yang
- State Key Laboratory of Structural Chemistry, and Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, University of Chinese Academy of Sciences, Fuzhou 350100, China
| | - Xinqiang Fang
- State Key Laboratory of Structural Chemistry, and Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, University of Chinese Academy of Sciences, Fuzhou 350100, China
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Ahmad BIZ, Keasler KT, Stacy EE, Meng S, Hicks TJ, Milner PJ. MOFganic Chemistry: Challenges and Opportunities for Metal-Organic Frameworks in Synthetic Organic Chemistry. CHEMISTRY OF MATERIALS : A PUBLICATION OF THE AMERICAN CHEMICAL SOCIETY 2023; 35:4883-4896. [PMID: 38222037 PMCID: PMC10785605 DOI: 10.1021/acs.chemmater.3c00741] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2024]
Abstract
Metal-organic frameworks (MOFs) are porous, crystalline solids constructed from organic linkers and inorganic nodes that have been widely studied for applications in gas storage, chemical separations, and drug delivery. Owing to their highly modular structures and tunable pore environments, we propose that MOFs have significant untapped potential as catalysts and reagents relevant to the synthesis of next-generation therapeutics. Herein, we outline the properties of MOFs that make them promising for applications in synthetic organic chemistry, including new reactivity and selectivity, enhanced robustness, and user-friendly preparation. In addition, we outline the challenges facing the field and propose new directions to maximize the utility of MOFs for drug synthesis. This perspective aims to bring together the organic and MOF communities to develop new heterogeneous platforms capable of achieving synthetic transformations that cannot be replicated by homogeneous systems.
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Affiliation(s)
- Bayu I. Z. Ahmad
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY, 14853, United States
| | - Kaitlyn T. Keasler
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY, 14853, United States
| | - Emily E. Stacy
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY, 14853, United States
| | - Sijing Meng
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY, 14853, United States
| | - Thomas J. Hicks
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY, 14853, United States
| | - Phillip J. Milner
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY, 14853, United States
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Catalytic Efficiency of Primary α-Amino Amides as Multifunctional Organocatalysts in Recent Asymmetric Organic Transformations. Catalysts 2022. [DOI: 10.3390/catal12121674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Chiral primary α-amino amides, consisting of an adjacent enamine bonding site (Bronsted base site), a hydrogen bonding site (Bronsted acid site), and flexible bulky substituent groups to modify the steric factor, are proving to be extremely valuable bifunctional organocatalysts for a wide range of asymmetric organic transformations. Primary α-amino amides are less expensive alternatives to other primary amino organocatalysts, such as chiral diamines and cinchona-alkaloid-derived primary amines, as they are easy to synthesize, air-stable, and allow for the incorporation of a variety of functional groups. In recent years, we have demonstrated the catalytic use of simple primary α-amino amides and their derivatives as organocatalysts for the aldol reaction, Strecker reaction, Michael tandem reaction, allylation of aldehydes, reduction of N-Aryl mines, opening of epoxides, hydrosilylation, asymmetric hydrogen transfer, and N-specific nitrosobenzene reaction with aldehydes.
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Nugent TC, Vos AE, Hussain I, El Damrany Hussein HA, Goswami F. A 2000 to 2020 Practitioner's Guide to Chiral Amine‐Based Enantioselective Aldol Reactions: Ketone Substrates, Best Methods, in Water Reaction Environments, and Defining Nuances. European J Org Chem 2022. [DOI: 10.1002/ejoc.202100529] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Thomas C. Nugent
- Department of Life Sciences and Chemistry Jacobs University Bremen 28759 Bremen Germany
| | - Alice E. Vos
- Department of Life Sciences and Chemistry Jacobs University Bremen 28759 Bremen Germany
| | - Ishtiaq Hussain
- Department of Pharmacy Abbottabad University of Science and Technology Havelian Abbottabad 22010 Pakistan
| | | | - Falguni Goswami
- Department of Life Sciences and Chemistry Jacobs University Bremen 28759 Bremen Germany
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Jimeno C. Amino Acylguanidines as Bioinspired Catalysts for the Asymmetric Aldol Reaction. Molecules 2021; 26:826. [PMID: 33562560 PMCID: PMC7915246 DOI: 10.3390/molecules26040826] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 02/01/2021] [Accepted: 02/03/2021] [Indexed: 01/02/2023] Open
Abstract
The binding and stabilizing effect of arginine residues in certain aldolases served as inspiring source for the development of a family of amino acylguanidine organocatalysts. Screening and optimization led to identify the threonine derivative as the most suitable catalyst for the asymmetric aldol addition of hydroxyacetone, affording the syn diastereomer in high ee. In contrast, the proline derivative yielded the anti diasteromer. MMFF models suggest the presence of an extensive hydrogen bonding network between the acylguanidinium group and the reaction intermediates.
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Affiliation(s)
- Ciril Jimeno
- Department of Biological Chemistry, Institute of Advanced Chemistry of Catalonia (IQAC-CSIC), Jordi Girona 18-26, E08034 Barcelona, Spain
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6
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Uddin MN, Knight JD, Rastelli EJ, Soubra-Ghaoui C, Albright TA, Wu CH, Wu JI, Coltart DM. On the Mechanism of the Asymmetric Aldol Addition of Chiral N-Amino Cyclic Carbamate Hydrazones: Evidence of Non-Curtin-Hammett Behavior. Chemistry 2019; 25:16037-16047. [PMID: 31650641 PMCID: PMC7182504 DOI: 10.1002/chem.201902388] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2019] [Revised: 10/19/2019] [Indexed: 01/25/2023]
Abstract
he mechanistic details of the aldol addition of N-amino cyclic carbamate (ACC) hydrazones is provided herein from both an experimental and computational perspective. When the transformation is carried out at room temperature the anti-aldol product is formed exclusively. Under these conditions the anti- and syn-aldolate intermediates are in equilibrium and the transformation is under thermodynamic control. The anti-aldolate that leads to the anti-aldol product was calculated to be 3.7 kcal mol-1 lower in energy at room temperature than that leading to the syn-aldol product, which sufficiently accounts for the exclusive formation of the anti-aldol product. When the reaction is conducted at -78 °C it is under kinetic control and favors formation of the syn-aldol addition product. In this case, it was found that a solvent separated aza-enolate anion and aldehyde form a σ-intermediate in which the lithium cation is coordinated to the aldehyde. The σ-intermediate collapses with a very small activation barrier to form the β-alkoxy hydrazone intermediate. The chiral nonracemic lithium aza-enolate discriminates between the two diastereotopic faces of the pro-chiral aldehyde, and there is no rapid direct pathway that interconverts the two diastereomeric intermediates. Consequently, the reaction does not follow the Curtin-Hammett principle and the stereochemical outcome at low temperature instead depends on the relative energies of the two σ-intermediates.
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Affiliation(s)
- Md. Nasir Uddin
- Department of Chemistry, University of Houston, Houston, Texas 77204 (USA)
| | - John D. Knight
- Department of Chemistry, University of Houston, Houston, Texas 77204 (USA)
| | - Ettore J. Rastelli
- Department of Chemistry, University of Houston, Houston, Texas 77204 (USA)
| | - Chirine Soubra-Ghaoui
- Department of Chemistry and Physics, University of St. Thomas, Houston, Texas 77006 (USA)
| | - Thomas A. Albright
- Department of Chemistry, University of Houston, Houston, Texas 77204 (USA)
| | - Chia-Hua Wu
- Department of Chemistry, University of Houston, Houston, Texas 77204 (USA)
| | - Judy I. Wu
- Department of Chemistry, University of Houston, Houston, Texas 77204 (USA)
| | - Don M. Coltart
- Department of Chemistry, University of Houston, Houston, Texas 77204 (USA)
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Direct synthesis of anthracenes from o-tolualdehydes and aryl iodides through Pd(II)-Catalyzed sp C H arylation and electrophilic aromatic cyclization. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.03.006] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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8
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Gerasimchuk VV, Kucherenko AS, Fakhrutdinov AN, Medvedev MG, Nelyubina YV, Zlotin SG. Towards Sustainable Amino Acid Derived Organocatalysts for Asymmetric syn
-Aldol Reactions. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700166] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Vasiliy V. Gerasimchuk
- Zelinsky Institute of Organic Chemistry; Russian Academy of Sciences; Leninsky Prospect 47 119991 Moscow Russia
| | - Alexandr S. Kucherenko
- Zelinsky Institute of Organic Chemistry; Russian Academy of Sciences; Leninsky Prospect 47 119991 Moscow Russia
| | - Artem N. Fakhrutdinov
- Zelinsky Institute of Organic Chemistry; Russian Academy of Sciences; Leninsky Prospect 47 119991 Moscow Russia
| | - Michael G. Medvedev
- Nesmeyanov Institute of Organoelement Compounds; Russian Academy of Sciences; Vavilov str., 28 119991 Moscow Russia
| | - Yulia V. Nelyubina
- Nesmeyanov Institute of Organoelement Compounds; Russian Academy of Sciences; Vavilov str., 28 119991 Moscow Russia
| | - Sergei G. Zlotin
- Zelinsky Institute of Organic Chemistry; Russian Academy of Sciences; Leninsky Prospect 47 119991 Moscow Russia
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Bartók M. Advances in Immobilized Organocatalysts for the Heterogeneous Asymmetric Direct Aldol Reactions. CATALYSIS REVIEWS-SCIENCE AND ENGINEERING 2015. [DOI: 10.1080/01614940.2015.1039432] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Demuynck ALW, Goesten MG, Ramos-Fernandez EV, Dusselier M, Vanderleyden J, Kapteijn F, Gascon J, Sels BF. Induced Chirality in a Metal-Organic Framework by Postsynthetic Modification for Highly Selective Asymmetric Aldol Reactions. ChemCatChem 2014. [DOI: 10.1002/cctc.201402082] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Kumar A, Chimni SS. Primary-tertiary diamine-catalyzed Michael addition of ketones to isatylidenemalononitrile derivatives. Beilstein J Org Chem 2014; 10:929-35. [PMID: 24991242 PMCID: PMC4077384 DOI: 10.3762/bjoc.10.91] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2014] [Accepted: 04/02/2014] [Indexed: 12/23/2022] Open
Abstract
Simple primary-tertiary diamines easily derived from natural primary amino acids were used to catalyze the Michael addition of ketones with isatylidenemalononitrile derivatives. Diamine 1a in combination with D-CSA as an additive provided Michael adducts in high yield (up to 94%) and excellent enantioselectivity (up to 99%). The catalyst 1a was successfully used to catalyze the three-component version of the reaction by a domino Knoevenagel–Michael sequence. The Michael adduct 4a was transformed into spirooxindole 6 by a reduction with sodium borohydride in a highly enantioselective manner.
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Affiliation(s)
- Akshay Kumar
- Department of Chemistry, U.G.C. Centre of Advance Studies in Chemistry, Guru Nanak Dev University, Amritsar, 143005, India
| | - Swapandeep Singh Chimni
- Department of Chemistry, U.G.C. Centre of Advance Studies in Chemistry, Guru Nanak Dev University, Amritsar, 143005, India
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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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13
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Organocatalyzed direct asymmetric aldol reaction of isatins in water: low catalyst loading in command. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.04.044] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Tsubogo T, Ishiwata T, Kobayashi S. Asymmetrische Kohlenstoff-Kohlenstoff-Kupplungen unter kontinuierlichen Durchflussbedingungen mit chiralen Heterogenkatalysatoren. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201210066] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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15
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Tsubogo T, Ishiwata T, Kobayashi S. Asymmetric Carbon-Carbon Bond Formation under Continuous-Flow Conditions with Chiral Heterogeneous Catalysts. Angew Chem Int Ed Engl 2013; 52:6590-604. [DOI: 10.1002/anie.201210066] [Citation(s) in RCA: 187] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2012] [Indexed: 12/21/2022]
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Abstract
The strategic use of thiopyran templates to facilitate polypropionate synthesis was first demonstrated in Woodward's landmark total synthesis of erythromycin A in 1981 where the topology of a fused bicyclic system was exploited. In the ensuing three decades, various alternative strategic applications of thiopyran motifs to achieve key stereoselective transformations have emerged including, inter alia, unique substrates for chemoenzymatic syntheses, surrogates for 3-pentanone in enantioselective aldol reactions, and templates for enantiotopic group selective reactions. This review summarizes these developments.
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Affiliation(s)
- Dale E Ward
- Department of Chemistry, University of Saskatchewan, Saskatoon, SK S7N 5C9, Canada.
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17
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Liu Y, Wang J, Sun Q, Li R. Chiral 1,2-diaminocyclohexane as organocatalyst for enantioselective aldol reaction. Tetrahedron Lett 2011. [DOI: 10.1016/j.tetlet.2011.04.116] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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18
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Hu S, Zhang L, Li J, Luo S, Cheng JP. Chiral Primary Amine Catalyzed Asymmetric Direct Cross-Aldol Reaction of Acetaldehyde. European J Org Chem 2011. [DOI: 10.1002/ejoc.201100267] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Wu C, Fu X, Li S. Simple and inexpensive threonine-based organocatalysts for the highly diastereo- and enantioselective direct large-scale syn-aldol and anti-Mannich reactions of α-hydroxyacetone. ACTA ACUST UNITED AC 2011. [DOI: 10.1016/j.tetasy.2011.06.022] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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20
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Demuynck ALW, Peng L, de Clippel F, Vanderleyden J, Jacobs PA, Sels BF. Solid Acids as Heterogeneous Support for Primary Amino Acid-Derived Diamines in Direct Asymmetric Aldol Reactions. Adv Synth Catal 2011. [DOI: 10.1002/adsc.201000871] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Kumar A, Singh S, Kumar V, Chimni SS. Asymmetric syn-selective direct aldol reaction of protected hydroxyacetone catalyzed by primary amino acid derived bifunctional organocatalyst in the presence of water. Org Biomol Chem 2011; 9:2731-42. [PMID: 21359299 DOI: 10.1039/c0ob00898b] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new series of water compatible primary-tertiary diamine catalysts derived from natural primary amino acids bearing a hydrophobic side chain have been synthesized. These new primary-tertiary diamine-Brønsted acid conjugates bifunctional organocatalysts efficiently catalyzes the asymmetric direct syn selective cross-aldol reaction of different protected hydroxyacetone with various aldehydes in high yield (94%) and high enantioselectivity (up to 97% ee of syn) and dr of 91 : 9 (syn/anti) under mild reaction conditions.
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Affiliation(s)
- Akshay Kumar
- Department of Chemistry, U.G.C. Centre of Advance Studies in Chemistry, Guru Nanak Dev University, Amritsar-143005, India
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