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Asymmetric Conjugate Addition of Ketones to Maleimides Organocatalyzed by a Chiral Primary Amine-Salicylamide. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27196668. [PMID: 36235205 PMCID: PMC9573004 DOI: 10.3390/molecules27196668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 09/29/2022] [Accepted: 09/30/2022] [Indexed: 11/17/2022]
Abstract
Enantioenriched substituted succinimides are interesting compounds, and their asymmetric organocatalytic synthesis by the conjugated addition of ketones to maleimides has been scarcely explored. This study shows the enantioselective conjugate addition of ketones to maleimides organocatalyzed by a simple primary amine-salicylamide derived from a chiral trans-cyclohexane-1,2-diamine, which provides the desired succinimides in good to excellent yields (up to 98%) and with moderate to excellent enantioselectivities (up to 99%).
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β-Amino Acid Organocatalysts in the Asymmetric Michael Addition of Isobutyraldehyde to N-Substituted Maleimides. Catalysts 2022. [DOI: 10.3390/catal12090992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Asymmetric Michael additions of carbonyl compounds to N-substituted maleimides are among the most convenient reactions to prepare optically pure succinimide building blocks. Although a few β-amino acids were found to be highly efficient organocatalysts in the addition of α-branched aldehydes, the effect of their structure on the results of these reactions has not yet been investigated. In the present study, we disclose several unexpected and interesting structural effects of aliphatic and cycloaliphatic β-amino acids obtained in the enantioselective conjugate addition of isobutyraldehyde to N-benzylmaleimide. The dependence of the sense of the enantioselectivity on the bulkiness of the substituent on the β-carbon atom, the beneficial spatial arrangements of the functional groups in cis isomers with cyclohexane scaffold and the inversion of the enantioselectivity depending on the absence of a base additive observed with some trans isomers are unprecedented findings. The minor influence of the nitrogen substituent of the maleimide ring on both the reaction rate and the enantioselectivity was also evidenced using alicyclic β-amino acid prepared from an easily available terpene derivative.
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3
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Primary amine–thiourea grafted graphene–based heterogeneous chiral catalysts for highly enantioselective Michael additions. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Shim JH, Cheun SH, Kim HS, Ha DC. Enantioselective Organocatalyzed Michael Addition of Isobutyraldehyde to Maleimides in Aqueous Media. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27092759. [PMID: 35566109 PMCID: PMC9101813 DOI: 10.3390/molecules27092759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 04/19/2022] [Accepted: 04/21/2022] [Indexed: 11/16/2022]
Abstract
Thiourea was introduced into (R,R)-1,2-diphenylethylenediamine as an organocatalyst to promote the reaction between isobutyraldehydes and maleimides. Enantioselective Michael addition reaction was carried out as an eco-friendly method using water as the solvent. As a result of the reaction between isobutyraldehyde and maleimide, ≥97% yield and 99% enantioselectivity were obtained at a low catalyst loading of 0.01 mol%. The solvent effect can be explained by theoretical calculations that indicate the participation of a transition state, in which the CF3 substituent of the catalyst is a hydrogen bond activated by the surrounding water molecules. This discovery enabled the use of low catalyst loading in the organic reactions of chiral substances for pharmaceutical applications. Furthermore, a solvent effect for Michael reaction of the organocatalysts was proposed, and the organic reaction mechanisms were determined through quantum calculations.
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Affiliation(s)
- Jae Ho Shim
- Department of Anatomy, College of Medicine, Korea University, 73, Goryeodae-ro, Seongbuk-gu, Seoul 02481, Korea;
- Correspondence: ; Tel.: +82-2-2286-1125
| | - Seok Hyun Cheun
- Department of Chemistry, College of Science, Korea University, 145 Anam-ro, Seoul 02481, Korea; (S.H.C.); (D.-C.H.)
| | - Hyeon Soo Kim
- Department of Anatomy, College of Medicine, Korea University, 73, Goryeodae-ro, Seongbuk-gu, Seoul 02481, Korea;
| | - Deok-Chan Ha
- Department of Chemistry, College of Science, Korea University, 145 Anam-ro, Seoul 02481, Korea; (S.H.C.); (D.-C.H.)
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Vastakaite G, Grünenfelder CE, Wennemers H. Peptide‐Catalyzed Stereoselective Conjugate Addition Reaction of Aldehydes to
C
‐Substituted Maleimides. Chemistry 2022; 28:e202200215. [PMID: 35089626 PMCID: PMC9306895 DOI: 10.1002/chem.202200215] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Indexed: 11/11/2022]
Abstract
Catalytic stereoselective additions with maleimides are useful one‐step reactions to yield chiral succinimides, molecules that are widespread among therapeutically active compounds but challenging to prepare when the maleimide is C‐substituted. We present the tripeptide H‐Pro‐Pro‐Asp‐NHC12H25 as a catalyst for conjugate addition reactions between aldehydes and C‐substituted maleimides to form succinimides with three contiguous stereogenic centers in high yields and stereoselectivities. The peptidic catalyst is so chemoselective that no protecting group is needed at the imide nitrogen of the maleimides. Derivatization of the succinimides was straightforward and provided access to chiral pyrrolidines, lactones, and lactams. Kinetic studies, including a Hammett plot, provided detailed insight into the reaction mechanism.
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Affiliation(s)
- Greta Vastakaite
- Laboratory of Organic Chemistry ETH Zürich Vladimir-Prelog-Weg 3 8093 Zürich Switzerland
| | | | - Helma Wennemers
- Laboratory of Organic Chemistry ETH Zürich Vladimir-Prelog-Weg 3 8093 Zürich Switzerland
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Kozma V, Szőllősi G. Conjugate addition of 1,3-dicarbonyl compounds to maleimides using bifunctional primary amine‒(thio)phosphoramide organocatalysts. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2021.112089] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
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7
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Kozma V, Szőllősi G. Enantioselective Michael addition of aldehydes to maleimides catalysed by surface-adsorbed natural amino acids. Catal Sci Technol 2022. [DOI: 10.1039/d2cy00545j] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Chiral hybrid materials obtained by adsorption of primary α-amino acids on the surface of inorganic oxides are economic, recyclable, highly enantioselective heterogeneous catalysts for the Michael addition of aldehydes to N-substituted maleimides.
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Affiliation(s)
- Viktória Kozma
- Department of Organic Chemistry, University of Szeged, 6720 Szeged, Dóm tér 8, Hungary
| | - György Szőllősi
- SZTE-ELKH Stereochemistry Research Group, University of Szeged, 6720 Szeged, Eötvös utca 6, Hungary
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Landeros JM, Cruz‐Hernández C, Juaristi E. α‐Amino Acids and α,β‐Dipeptides Intercalated into Hydrotalcite: Efficient Catalysts in the Asymmetric Michael Addition Reaction of Aldehydes to
N
‐Substituted Maleimides. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100877] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- José M. Landeros
- Departamento de Química, Centro de Investigación y de Estudios Avanzados Instituto Politécnico Nacional Avenida IPN #2508 07360 Ciudad de México Mexico
| | - Carlos Cruz‐Hernández
- Departamento de Química, Centro de Investigación y de Estudios Avanzados Instituto Politécnico Nacional Avenida IPN #2508 07360 Ciudad de México Mexico
| | - Eusebio Juaristi
- Departamento de Química, Centro de Investigación y de Estudios Avanzados Instituto Politécnico Nacional Avenida IPN #2508 07360 Ciudad de México Mexico
- El Colegio Nacional Luis González Obregón 23, Centro Histórico 06020 Ciudad de México Mexico
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Sadiq A, Mahnashi MH, Alyami BA, Alqahtani YS, Alqarni AO, Rashid U. Tailoring the substitution pattern of Pyrrolidine-2,5-dione for discovery of new structural template for dual COX/LOX inhibition. Bioorg Chem 2021; 112:104969. [PMID: 34023639 DOI: 10.1016/j.bioorg.2021.104969] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 04/24/2021] [Accepted: 05/03/2021] [Indexed: 12/28/2022]
Abstract
Dual inhibition of the enzymatic pathways of cyclooxygenases (COX-1/COX-2) and lipoxygenase (LOX) is a rational approach for developing more efficient and safe anti-inflammatory agents. Herein, dual inhibitors of COX and LOX for the management of inflammation are reported. The structural modifications of starting pyrrolidine-2,5-dione aldehyde derivatives resulted in two structurally diverse families (Family A & B). Synthesized derivatives from both Families displayed preferential COX-2 affinity in submicromolar to nanomolar ranges. Disubstitution pattern of the most active series of compounds having N-(benzyl(4-methoxyphenyl)amino moiety presents a new template that is mimic to the diaryl pattern of traditional COX-2 inhibitors. Compound 78 with IC50 value of 0.051 ± 0.001 μM emerged as the most active compound. Highly potent COX-2/5-LOX inhibitors have also demonstrated appreciable in-vivo anti-inflammatory activity through carrageenan induced paw edema test. Moreover, the involvement of histamine, bradykinin, prostaglandin, and leukotriene mediators to adjust the inflammatory response were also studied. Apart from COX inhibition, sulfonamide is considered an important template for carbonic anhydrase inhibition. Hence, we also evaluated six sulfonamide derivatives for off-target in-vitro bovine carbonic anhydrase-II inhibition. Biological results were finally rationalized by docking simulations. Typically, most active COX-2 inhibitors interact with the amino acid residues responsible for the COX-2 selectivity.
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Affiliation(s)
- Abdul Sadiq
- Department of Pharmacy, Faculty of Biological Sciences, University of Malakand, Chakdara, 18000 Dir (L), KP, Pakistan.
| | - Mater H Mahnashi
- Department of Pharmaceutical Chemistry, College of Pharmacy, Najran University, Najran, Saudi Arabia
| | - Bandar A Alyami
- Department of Pharmaceutical Chemistry, College of Pharmacy, Najran University, Najran, Saudi Arabia
| | - Yahya S Alqahtani
- Department of Pharmaceutical Chemistry, College of Pharmacy, Najran University, Najran, Saudi Arabia
| | - Ali O Alqarni
- Department of Pharmaceutical Chemistry, College of Pharmacy, Najran University, Najran, Saudi Arabia
| | - Umer Rashid
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, 22060 Abbottabad, Pakistan.
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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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Kovačević S, Banjac MK, Milošević N, Ćurčić J, Marjanović D, Todorović N, Krmar J, Podunavac-Kuzmanović S, Banjac N, Ušćumlić G. Comparative chemometric and quantitative structure-retention relationship analysis of anisotropic lipophilicity of 1-arylsuccinimide derivatives determined in high-performance thin-layer chromatography system with aprotic solvents. J Chromatogr A 2020; 1628:461439. [PMID: 32822979 DOI: 10.1016/j.chroma.2020.461439] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 07/26/2020] [Accepted: 07/28/2020] [Indexed: 12/21/2022]
Abstract
Numerous structurally different amides and imides including succinimide derivatives exhibit diverse bioactive potential. The development of new compounds requires rationalization in the design in order to provide structural changes that guarantee favorable physico-chemical properties, pharmacological activity and safety. In the present research, a comprehensive study with comparison of the chromatographic lipophilicity and other physico-chemical properties of five groups of 1-arylsuccinimide derivatives was conducted. The chemometric analysis of their physico-chemical properties was carried out by using unsupervised (hierarchical cluster analysis and principal component analysis) and supervised pattern recognition methods (linear discriminant analysis), while the correlations between the in silico molecular features and chromatographic lipophilicity were examined applying linear and non-linear Quantitative Structure-Retention Relationship (QSRR) approaches. The main aim of the conducted research was to determine similarities and dissimilarities among the studied 1-arylsuccinimides, to point out the molecular features which have significant influence on their lipophilicity, as well as to establish high-quality QSRR models which can be used in prediction of chromatographic lipophilicity of structurally similar 1-arylsuccinimides. This study is a continuation of analysis and determination of the physico-chemical properties of 1-arylsuccinimides which could be important guidelines in further in vitro and eventually in vivo studies of their biological potential.
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Affiliation(s)
- Strahinja Kovačević
- University of Novi Sad, Faculty of Technology Novi Sad, Bulevar cara Lazara 1, 21000 Novi Sad, Serbia
| | - Milica Karadžić Banjac
- University of Novi Sad, Faculty of Technology Novi Sad, Bulevar cara Lazara 1, 21000 Novi Sad, Serbia.
| | - Nataša Milošević
- University of Novi Sad, Faculty of Medicine, Department of Pharmacy, Hajduk Veljkova 3, 21000 Novi Sad, Serbia
| | - Jelena Ćurčić
- University of Novi Sad, Faculty of Medicine, Department of Pharmacy, Hajduk Veljkova 3, 21000 Novi Sad, Serbia; University Business Academy in Novi Sad, Faculty of Pharmacy Novi Sad, Trg Mladenaca 5, 21000 Novi Sad, Serbia
| | - Dunja Marjanović
- University of Novi Sad, Faculty of Medicine, Department of Pharmacy, Hajduk Veljkova 3, 21000 Novi Sad, Serbia
| | - Nemanja Todorović
- University of Novi Sad, Faculty of Medicine, Department of Pharmacy, Hajduk Veljkova 3, 21000 Novi Sad, Serbia
| | - Jovana Krmar
- University of Belgrade, Faculty of Pharmacy, Department of Drug Analysis, Vojvode Stepe 450, 11221 Belgrade, Serbia
| | | | - Nebojša Banjac
- University of Belgrade, Faculty of Agriculture, 11081 Belgrade-Zemun, Nemanjina 6, Serbia
| | - Gordana Ušćumlić
- University of Belgrade, Faculty of Technology and Metallurgy, Karnegijeva 4, 11000 Belgrade, Serbia
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Kozma V, Fülöp F, Szőllősi G. 1,2‐Diamine‐Derived (thio)Phosphoramide Organocatalysts in Asymmetric Michael Additions. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000335] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Viktória Kozma
- Department of Organic ChemistryUniversity of Szeged 6720 Szeged Dóm tér 8 Hungary
| | - Ferenc Fülöp
- Institute of Pharmaceutical ChemistryUniversity of Szeged 6720 Szeged Eötvös utca 6 Hungary
- MTA-SZTE Stereochemistry Research GroupUniversity of Szeged 6720 Szeged Eötvös utca 6 Hungary
- University of Szeged, Interdisciplinary Excellence CentreInstitute of Pharmaceutical Chemistry 6720 Szeged Eötvös utca 6 Hungary
| | - György Szőllősi
- MTA-SZTE Stereochemistry Research GroupUniversity of Szeged 6720 Szeged Eötvös utca 6 Hungary
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Organocatalytic Asymmetric Conjugate Addition of Aldehydes to Maleimides and Nitroalkenes in Deep Eutectic Solvents. Molecules 2019; 24:molecules24224058. [PMID: 31717507 PMCID: PMC6891809 DOI: 10.3390/molecules24224058] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 11/07/2019] [Accepted: 11/07/2019] [Indexed: 11/16/2022] Open
Abstract
A chiral primary amine-salicylamide is used as an organocatalyst for the enantioselective conjugate addition of α,α-disubstituted aldehydes to maleimides and nitroalkenes. The reactions are performed in deep eutectic solvents as reaction media at room temperature, leading to the corresponding adducts with enantioselectivities up to 88% (for maleimides) and 80% (for nitroalkenes). Catalyst and solvent can be recovered and reused.
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