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Busicchia M, Roblin A, Dubois C, Mekranter N, Casaretto N, Archambeau A. Cycloadditions of 5-Vinyloxazolidine-2,4-diones: A Straightforward Access to the (Thio)hydantoin Scaffold. J Org Chem 2024; 89:12370-12377. [PMID: 39180739 DOI: 10.1021/acs.joc.4c01315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/26/2024]
Abstract
A palladium-catalyzed (3 + 2) cycloaddition between 5-vinyloxazolidine-2,4-diones (VOxD) and (thio)isocyanates is described. Under optimized conditions, an array of (thio)hydantoins was readily prepared, and an enantioselective version of this transformation was then studied. To illustrate the importance of this method, a concise synthesis of two bioactive compounds, nirvanol and mephenytoin, was carried out. This work emphasizes the synthetic potential of VOxD as useful precursors of zwitterionic aza-π-allylpalladiumII intermediates.
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Affiliation(s)
- Marc Busicchia
- Laboratoire de Synthèse Organique, UMR 7652, CNRS, Ecole Polytechnique, ENSTA Paris, Institut Polytechnique de Paris, 91128 Palaiseau Cedex, France
| | - Antoine Roblin
- Laboratoire de Synthèse Organique, UMR 7652, CNRS, Ecole Polytechnique, ENSTA Paris, Institut Polytechnique de Paris, 91128 Palaiseau Cedex, France
| | - Carla Dubois
- Laboratoire de Synthèse Organique, UMR 7652, CNRS, Ecole Polytechnique, ENSTA Paris, Institut Polytechnique de Paris, 91128 Palaiseau Cedex, France
| | - Nagy Mekranter
- Laboratoire de Synthèse Organique, UMR 7652, CNRS, Ecole Polytechnique, ENSTA Paris, Institut Polytechnique de Paris, 91128 Palaiseau Cedex, France
| | - Nicolas Casaretto
- Laboratoire de Chimie Moléculaire, UMR 9168, CNRS, Ecole Polytechnique, Institut Polytechnique de Paris, 91128 Palaiseau Cedex, France
| | - Alexis Archambeau
- Laboratoire de Synthèse Organique, UMR 7652, CNRS, Ecole Polytechnique, ENSTA Paris, Institut Polytechnique de Paris, 91128 Palaiseau Cedex, France
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2
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Anter N, Guida MY, Chennani A, Boussetta A, Moubarik A, Barakat A, Medaghri-Alaoui A, Hannioui A. Allylation of cellulose microfibers for hydrosilylation with various hydrosilanes and hydrosiloxanes, and their application in corn-starch-mimosa tannin (CSMT) adhesive to improve particleboard properties. Int J Biol Macromol 2024; 278:134828. [PMID: 39159800 DOI: 10.1016/j.ijbiomac.2024.134828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2024] [Revised: 08/07/2024] [Accepted: 08/15/2024] [Indexed: 08/21/2024]
Abstract
Recently, Cellulose microfibers (CMF) have garnered significant attention due to their renewability, biodegradability, and unique properties such as high aspect ratio, low density, high strength, stiffness, and distinctive optical properties. These characteristics have been highlighted in publications worldwide. However, the structure of CMF is difficult to access with solvents, limiting its dissolution in common organic solvents. The synthesis of CMF-siloxane or CMF-silane hybrid materials from cellulose generally involves several reactions steps, and therefore catalysts. The allylation of CMF is catalyzed by the phase-transfer catalyst tetrabutylammonium bromide (TBAB), which enables the combination of CMF with allyl. This is followed by a hydrosilylation reaction catalyzed by Karstedt's catalyst, based on platinum (0), to combine the hydrophilic allylated CMF with hydride-terminated hydrophobic hydrosilane or hydrosiloxane. Environmentally friendly particleboards were developed using bio-based adhesives composed of corn-starch and Mimosa tannin (CSMT) mixtures. These mixtures included 4, 6, 8, and 10 wt% of CMF, allylated CMF and silylated CMF. The mechanical and physical properties of particleboards, such as modulus of elasticity (MOE), modulus of rupture (MOR), internal bond strength (IB), surface soundness (SS), water absorption (WA) and thickness swelling (TS) were determined.
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Affiliation(s)
- Nadia Anter
- Molecular Chemistry, Materials and Catalysis Laboratory, Faculty of Sciences and Techniques (FST-BM), University of Sultan Moulay Slimane (USMS), 23000 Béni-Mellal, Morocco.
| | - Mohamed-Yassine Guida
- Molecular Chemistry, Materials and Catalysis Laboratory, Faculty of Sciences and Techniques (FST-BM), University of Sultan Moulay Slimane (USMS), 23000 Béni-Mellal, Morocco
| | - Ahlam Chennani
- Molecular Chemistry, Materials and Catalysis Laboratory, Faculty of Sciences and Techniques (FST-BM), University of Sultan Moulay Slimane (USMS), 23000 Béni-Mellal, Morocco
| | - Abdelghani Boussetta
- Materials Science, Energy and Nanoengineering (MSN) Department, Mohammed VI Polytechnic University, Lot 660 - Hay Moulay Rachid, 43150 Ben Guerir, Morocco
| | - Amine Moubarik
- Laboratory of Chemical Processes and Applied Materials, Polydisciplinary Faculty, Sultan Moulay Slimane University, BP 592, Beni-Mellal, Morocco
| | - Abdellatif Barakat
- UMR IATE, University of Montpellier, Agro Institute of Montpellier, France; Mohammed VI University Benguerir Morocco, Morocco
| | - Abdelouahid Medaghri-Alaoui
- Molecular Chemistry, Materials and Catalysis Laboratory, Faculty of Sciences and Techniques (FST-BM), University of Sultan Moulay Slimane (USMS), 23000 Béni-Mellal, Morocco; Department of Chemistry and Environment, Faculty of Sciences and Techniques (FST-BM), University of Sultan Moulay Slimane (USMS), 23000, Béni-Mellal, Morocco
| | - Abdellah Hannioui
- Molecular Chemistry, Materials and Catalysis Laboratory, Faculty of Sciences and Techniques (FST-BM), University of Sultan Moulay Slimane (USMS), 23000 Béni-Mellal, Morocco; Department of Chemistry and Environment, Faculty of Sciences and Techniques (FST-BM), University of Sultan Moulay Slimane (USMS), 23000, Béni-Mellal, Morocco
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3
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Chen L, Wang D. A Tunable Cascade Reaction of Ureidomalonates and Alkenyl Azlactones for the Divergent Synthesis of Hydantoins with Distinct Functional Groups. J Org Chem 2024; 89:3365-3382. [PMID: 38363598 DOI: 10.1021/acs.joc.3c02814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2024]
Abstract
A tunable cascade reaction of ureidomalonates and alkenyl azlactones was disclosed, which gave rise to the construction of N-aroyl α-amino acid ester and imide-functionalized hydantoins in moderate to good yields and with excellent diastereoselectivities. The reaction pathway was precisely manipulated by organocatalysis and phase-transfer/sunlight relay catalysis, respectively, to realize the divergent synthesis. The successful gram-scale preparation of representative products exhibited the application potential of this protocol. Mechanistic studies indicated that the exchange and phase transfer of ethoxy anion played a key role in altering the reaction pathway, and sunlight might accelerate the oxidation process at the late stage of the reaction triggered by phase-transfer catalysis.
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Affiliation(s)
- Lin Chen
- School of Chemistry and Materials Science, Guizhou Normal University, Guiyang 550001, P. R. China
| | - Di Wang
- School of Chemistry and Materials Science, Guizhou Normal University, Guiyang 550001, P. R. China
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Huang J, Keenan T, Richard F, Lu J, Jenny SE, Jean A, Arseniyadis S, Leitch DC. Chiral, air stable, and reliable Pd(0) precatalysts applicable to asymmetric allylic alkylation chemistry. Nat Commun 2023; 14:8058. [PMID: 38052843 DOI: 10.1038/s41467-023-43512-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 11/11/2023] [Indexed: 12/07/2023] Open
Abstract
Stereoselective carbon-carbon bond formation via palladium-catalyzed asymmetric allylic alkylation is a crucial strategy to access chiral natural products and active pharmaceutical ingredients. However, catalysts based on the privileged Trost and Pfaltz-Helmchen-Williams PHOX ligands often require high loadings, specific preactivation protocols, and excess chiral ligand. This makes these reactions uneconomical, often unreproducible, and thus unsustainable. Here we report several chiral single-component Pd(0) precatalysts that are active and practically-applicable in a variety of asymmetric allylic alkylation reactions. Despite the decades-long history and widespread use of Trost-type ligands, the precatalysts in this work are the only reported examples of stable, isolable Pd(0) complexes with these ligands. Evaluating these precatalysts across nine asymmetric allylic alkylation reactions reveals high reactivity and selectivity at low Pd loading. Importantly, we also report an unprecedented Pd-catalyzed enantioselective allylation of a hydantoin, achieved on gram scale in high yield and enantioselectivity with only 0.2 mol% catalyst.
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Affiliation(s)
- Jingjun Huang
- University of Victoria, Department of Chemistry, 3800 Finnerty Road, Victoria, BC, V8P 5C2, Canada
| | - Thomas Keenan
- Queen Mary University of London, Department of Chemistry, Mile End Road, London, E1 4NS, UK
| | - François Richard
- Queen Mary University of London, Department of Chemistry, Mile End Road, London, E1 4NS, UK
| | - Jingru Lu
- University of Victoria, Department of Chemistry, 3800 Finnerty Road, Victoria, BC, V8P 5C2, Canada
| | - Sarah E Jenny
- Temple University, Department of Chemistry, 1901 N. Broad St, Philadelphia, PA, 19122, USA
| | - Alexandre Jean
- Industrial Research Centre, Oril Industrie, 13 rue Desgenétais, 76210, Bolbec, France
| | - Stellios Arseniyadis
- Queen Mary University of London, Department of Chemistry, Mile End Road, London, E1 4NS, UK.
| | - David C Leitch
- University of Victoria, Department of Chemistry, 3800 Finnerty Road, Victoria, BC, V8P 5C2, Canada.
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Oiarbide M, Palomo C. Brønsted Base-Catalyzed Enantioselective α-Functionalization of Carbonyl Compounds Involving π-Extended Enolates. CHEM REC 2023; 23:e202300164. [PMID: 37350363 DOI: 10.1002/tcr.202300164] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 06/06/2023] [Indexed: 06/24/2023]
Abstract
Chiral Brønsted base (BB) catalyzed asymmetric transformations constitute an important tool for synthesis. A meaningful fraction of these transformations proceeds through transiently generated enolate intermediates, which display quite versatile reactivity against a variety of electrophiles. Some years ago, our group became interested in developing BB-catalyzed asymmetric reactions of enolizable carbonyl substrates that involve π-extended enolates in which, besides control of reaction diastereo and enantioselectivity, the site-selectivity control is an additional issue in most cases. In the examples covered in this account the opportunities deployed, and the challenges posed, by these methods are illustrated, with a focus on the generation of quaternary carbon stereocenters. In the way, new bifunctional BB catalysts as well as achiral templates were developed that may find further applications.
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Affiliation(s)
- Mikel Oiarbide
- Departamento de Química Orgánica I, Universidad del País Vasco UPV/EHU, Manuel Lardizabal 3, 20018 San Sebastián, Spain
| | - Claudio Palomo
- Departamento de Química Orgánica I, Universidad del País Vasco UPV/EHU, Manuel Lardizabal 3, 20018 San Sebastián, Spain
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Jaśkowska J, Drabczyk AK, Kułaga D, Zaręba P, Majka Z, Jodłowski P. A new synthetic ultrasound-assisted method for dibenzoepines. Heliyon 2023; 9:e18319. [PMID: 37539205 PMCID: PMC10395526 DOI: 10.1016/j.heliyon.2023.e18319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 07/13/2023] [Accepted: 07/13/2023] [Indexed: 08/05/2023] Open
Abstract
In this study, we have developed a new ultrasonic synthesis method of dibenzoepines using olanzapine and quetiapine, which are well-known drugs for the treatment of schizophrenia and bipolar disorder. The method is based on the N-alkylation reaction of the piperazine fragment in tricyclic compounds with methyl iodide or 2-(2-chloroethoxy)ethanol as the alkylating agent, respectively. The synthesis reactions were carried out in an ultrasonic bath with solvents such as acetonitrile or dimethylformamide in the presence of potassium or sodium carbonate or sodium hydroxide and metal-free, ecological phase transfer catalyst at a temperature of 40-50 °C. This allowed us to obtain olanzapine in 1 h (Y = 67%), and quetiapine in 3 h (Y = 72%). An ultrasonic reactor (Qsonica Q700) was used in the synthesis of olanzapine and made it possible to shorten the reaction time to 10 min and obtain 90% yield with very high purity. The developed method allows obtaining compounds in mild conditions and in a short time, thanks to which the process is more ecological than others described in the literature.
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Affiliation(s)
- Jolanta Jaśkowska
- Department of Organic Chemistry and Technology, Faculty of Chemical Engineering and Technology, Cracow University of Technology, ul. 24 Warszawska, 31-155 Cracow, Poland
| | - Anna Karolina Drabczyk
- Department of Organic Chemistry and Technology, Faculty of Chemical Engineering and Technology, Cracow University of Technology, ul. 24 Warszawska, 31-155 Cracow, Poland
| | - Damian Kułaga
- Department of Organic Chemistry and Technology, Faculty of Chemical Engineering and Technology, Cracow University of Technology, ul. 24 Warszawska, 31-155 Cracow, Poland
| | - Przemysław Zaręba
- Department of Chemical Technology and Environmental Analytics, Faculty of Chemical Engineering and Technology, Cracow University of Technology, ul. 24 Warszawska, Cracow, 31-155, Poland
| | - Zbigniew Majka
- Department of Analytical Chemistry and Biomaterials, Faculty of Pharmacy, Medical University of Warsaw, ul. Banacha 1, 02-093 Warsaw, Poland
| | - Przemysław Jodłowski
- Department of Organic Chemistry and Technology, Faculty of Chemical Engineering and Technology, Cracow University of Technology, ul. 24 Warszawska, 31-155 Cracow, Poland
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Xie L, Sun L, Wu P, Wang Z, Zhao C, Wu L, Li X, Gao Z, Liu W, Nie SZ. Organocatalytic cascade nucleophilic/aza-Michael addition reactions: metal-free catalytic strategy for the synthesis of hydantoins. Org Biomol Chem 2023; 21:2295-2300. [PMID: 36825465 DOI: 10.1039/d2ob01825j] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Lewis base-catalyzed cascade nucleophilic/aza-Michael addition reaction of N-alkoxy β-oxo-acrylamides with isocyanates has been developed to afford various highly functionalized hydantoin derivatives in 80-98% yields under mild reaction conditions. The intriguing features of this method include metal-free reaction conditions, low catalyst loading, broad substrate scope and short reaction time.
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Affiliation(s)
- Lei Xie
- Address here. School of Pharmaceutical Sciences, College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252000, Shandong, P. R. China. xieleilcu.edu.cn
| | - Lei Sun
- Address here. School of Pharmaceutical Sciences, College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252000, Shandong, P. R. China. xieleilcu.edu.cn
| | - Ping Wu
- Address here. School of Pharmaceutical Sciences, College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252000, Shandong, P. R. China. xieleilcu.edu.cn
| | - Zhaoxue Wang
- Address here. School of Pharmaceutical Sciences, College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252000, Shandong, P. R. China. xieleilcu.edu.cn
| | - Chenyi Zhao
- Address here. School of Pharmaceutical Sciences, College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252000, Shandong, P. R. China. xieleilcu.edu.cn
| | - Lingang Wu
- Address here. School of Pharmaceutical Sciences, College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252000, Shandong, P. R. China. xieleilcu.edu.cn
| | - Xiaojing Li
- Address here. School of Pharmaceutical Sciences, College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252000, Shandong, P. R. China. xieleilcu.edu.cn
| | - Zhenzhen Gao
- Address here. School of Pharmaceutical Sciences, College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252000, Shandong, P. R. China. xieleilcu.edu.cn
| | - Wanxing Liu
- The Non-Public Enterprise Service Center of Liaocheng, Liaocheng 252000, Shandong, P. R. China.
| | - Shao-Zhen Nie
- Address here. School of Pharmaceutical Sciences, College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252000, Shandong, P. R. China. xieleilcu.edu.cn
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Villaescusa L, Hernández I, Azcune L, Rudi A, Mercero JM, Landa A, Oiarbide M, Palomo C. Rigidified Bis(sulfonyl)ethylenes as Effective Michael Acceptors for Asymmetric Catalysis: Application to the Enantioselective Synthesis of Quaternary Hydantoins. J Org Chem 2023; 88:972-987. [PMID: 36630318 PMCID: PMC10013931 DOI: 10.1021/acs.joc.2c02403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
The catalytic, enantio- and diastereoselective addition of hydantoin surrogates II to "rigidified" vinylidene bis(sulfone) reagents is developed, thus overcoming the inability of commonly employed β-substituted vinylic sulfones to react. Adducts are transformed in enantioenriched 5,5-disubstituted hydantoins through hydrolysis and reductive desulfonylation processes providing new structures for eventual bioassays. Density functional theory studies that rationalize the observed reactivity and stereoselectivity trends are also provided.
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Affiliation(s)
- Leire Villaescusa
- Departamento de Química Orgánica I, Facultad de Química, Universidad del País Vasco UPV/EHU, Paseo Manuel Lardizabal 3, Donostia-San Sebastián 20018, Spain
| | - Iker Hernández
- Departamento de Química Orgánica I, Facultad de Química, Universidad del País Vasco UPV/EHU, Paseo Manuel Lardizabal 3, Donostia-San Sebastián 20018, Spain
| | - Laura Azcune
- Departamento de Química Orgánica I, Facultad de Química, Universidad del País Vasco UPV/EHU, Paseo Manuel Lardizabal 3, Donostia-San Sebastián 20018, Spain
| | - Ainhoa Rudi
- Departamento de Química Orgánica I, Facultad de Química, Universidad del País Vasco UPV/EHU, Paseo Manuel Lardizabal 3, Donostia-San Sebastián 20018, Spain
| | - José M Mercero
- Kimika Fakultatea, Euskal Herriko Unibertsitatea (UPV/EHU) & Donostia International Physics Center (DIPC), Donostia 20018, Spain
| | - Aitor Landa
- Departamento de Química Orgánica I, Facultad de Química, Universidad del País Vasco UPV/EHU, Paseo Manuel Lardizabal 3, Donostia-San Sebastián 20018, Spain
| | - Mikel Oiarbide
- Departamento de Química Orgánica I, Facultad de Química, Universidad del País Vasco UPV/EHU, Paseo Manuel Lardizabal 3, Donostia-San Sebastián 20018, Spain
| | - Claudio Palomo
- Departamento de Química Orgánica I, Facultad de Química, Universidad del País Vasco UPV/EHU, Paseo Manuel Lardizabal 3, Donostia-San Sebastián 20018, Spain
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Ultrasound assisted one-pot synthesis and preliminary in vitro studies of salicylamide arylpiperazines as dual 5-HT1A/5-HT7 ligands. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.134585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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