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Lv XX, Liu N, Chen F, Zhang H, Du ZH, Wang P, Yuan M, Da CS. Highly asymmetric aldol reaction of isatins and ketones catalyzed by chiral bifunctional primary-amine organocatalyst on water. Org Biomol Chem 2023; 21:8695-8701. [PMID: 37861676 DOI: 10.1039/d3ob01227a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2023]
Abstract
Herein, we have reported an environmentally friendly asymmetric aldol reaction between isatins and ketones catalyzed by double-hydrogen-bonded primary amine organocatalysts on water under mild conditions. Enantioenriched 3-hydroxy-2-oxindoles were obtained in high yields (up to 99%) and excellent stereoselectivities (up to 99 : 1 dr and 99% ee) under optimal conditions. Furthermore, the model reaction involving isatin and cyclohexanone was successfully scaled to 10 mmol with no reduction in yield or stereoselectivity. In addition, the catalyst was recovered via simple filtration and was subsequently reused on water, which highlights its good application potential.
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Affiliation(s)
- Xiao-Xiong Lv
- School of Chemistry and Chemical Engineering/State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University, North 4th Road, Shihezi, Xinjiang 832003, China.
| | - Ning Liu
- School of Chemistry and Chemical Engineering/State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University, North 4th Road, Shihezi, Xinjiang 832003, China.
| | - Fei Chen
- School of Chemistry and Chemical Engineering/State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University, North 4th Road, Shihezi, Xinjiang 832003, China.
| | - Hao Zhang
- School of Chemistry and Chemical Engineering/State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University, North 4th Road, Shihezi, Xinjiang 832003, China.
| | - Zhi-Hong Du
- School of Chemistry and Chemical Engineering/State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University, North 4th Road, Shihezi, Xinjiang 832003, China.
| | - Pei Wang
- School of Basic Medical Sciences, Ningxia Medical University, Yinchuan, China
| | - Meng Yuan
- Institute of Biochemistry and Molecular Biology, School of Life Sciences, Lanzhou University, Lanzhou 730000, China
| | - Chao Shan Da
- Institute of Biochemistry and Molecular Biology, School of Life Sciences, Lanzhou University, Lanzhou 730000, China
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2
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Abuaf M, Das S, Mastai Y. Organocatalytic chiral polymeric nanoparticles for asymmetric aldol reaction. RSC Adv 2023; 13:1580-1586. [PMID: 36688059 PMCID: PMC9817469 DOI: 10.1039/d2ra07244k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 12/22/2022] [Indexed: 01/09/2023] Open
Abstract
Chiral polymeric particles (CPPs) were studied extensively in recent years due to their importance in pharmaceutical applications. Here, nanosized CPPs were synthesized and applied as catalysts for direct asymmetric aldol reaction. The CPPs were prepared by miniemulsion or inverse miniemulsion based on various chiral amino acid derivatives and characterized by dynamic light scattering and scanning electron microscopy. The nanoparticles with spherical structure between 250 and 400 nm and high chiral surface area were used as catalysts in the aldol reaction at room temperature without additional solvent. l-tryptophan gave the highest enantiomeric excess, >86% with similar catalytic performance four times.
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Affiliation(s)
- Meir Abuaf
- Department of Chemistry, Bar-Ilan UniversityRamat-Gan 5290002Israel+972-03738-4053
| | - Subhomoy Das
- Department of Chemistry, Bar-Ilan UniversityRamat-Gan 5290002Israel+972-03738-4053
| | - Yitzhak Mastai
- Department of Chemistry, Bar-Ilan UniversityRamat-Gan 5290002Israel+972-03738-4053
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3
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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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4
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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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5
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Ramos De Dios SM, Tiwari VK, McCune CD, Dhokale RA, Berkowitz DB. Biomacromolecule-Assisted Screening for Reaction Discovery and Catalyst Optimization. Chem Rev 2022; 122:13800-13880. [PMID: 35904776 DOI: 10.1021/acs.chemrev.2c00213] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Reaction discovery and catalyst screening lie at the heart of synthetic organic chemistry. While there are efforts at de novo catalyst design using computation/artificial intelligence, at its core, synthetic chemistry is an experimental science. This review overviews biomacromolecule-assisted screening methods and the follow-on elaboration of chemistry so discovered. All three types of biomacromolecules discussed─enzymes, antibodies, and nucleic acids─have been used as "sensors" to provide a readout on product chirality exploiting their native chirality. Enzymatic sensing methods yield both UV-spectrophotometric and visible, colorimetric readouts. Antibody sensors provide direct fluorescent readout upon analyte binding in some cases or provide for cat-ELISA (Enzyme-Linked ImmunoSorbent Assay)-type readouts. DNA biomacromolecule-assisted screening allows for templation to facilitate reaction discovery, driving bimolecular reactions into a pseudo-unimolecular format. In addition, the ability to use DNA-encoded libraries permits the barcoding of reactants. All three types of biomacromolecule-based screens afford high sensitivity and selectivity. Among the chemical transformations discovered by enzymatic screening methods are the first Ni(0)-mediated asymmetric allylic amination and a new thiocyanopalladation/carbocyclization transformation in which both C-SCN and C-C bonds are fashioned sequentially. Cat-ELISA screening has identified new classes of sydnone-alkyne cycloadditions, and DNA-encoded screening has been exploited to uncover interesting oxidative Pd-mediated amido-alkyne/alkene coupling reactions.
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Affiliation(s)
| | - Virendra K Tiwari
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, Nebraska 68588, United States
| | - Christopher D McCune
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, Nebraska 68588, United States
| | - Ranjeet A Dhokale
- Higuchi Biosciences Center, University of Kansas, Lawrence, Kansas 66047, United States
| | - David B Berkowitz
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, Nebraska 68588, United States
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6
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Aydin AE. Enantioselective Aldol Reaction between Isatins and Ketones, Catalyzed by Chiral Norephedrine-Derived β-Amino Alcohols with a Thiophene Moiety. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2022. [DOI: 10.1134/s1070428022060100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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7
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Al-Majid AM, Alammari AS, Alshahrani S, Haukka M, Islam MS, Barakat A. Cu(ii)-thiophene-2,5-bis(amino-alcohol) mediated asymmetric Aldol reaction and Domino Knoevenagel Michael cyclization: a new highly efficient Lewis acid catalyst. RSC Adv 2022; 12:6149-6165. [PMID: 35424540 PMCID: PMC8982094 DOI: 10.1039/d2ra00674j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 02/09/2022] [Indexed: 11/24/2022] Open
Abstract
The highly efficient Lewis acid-catalytic system Cu(ii)-thiophene-2,5-bis(amino-alcohol) has been developed for enantioselective Aldol reaction of isatin derivatives with ketones. The new catalytic system also proved to be highly enantioselective for the one pot three-component Domino Knoevenagel Michael cyclization reaction of substituted isatin with malononitrile and ethylacetoacetate. The chiral ligand (2S,2'S)-2,2'-((thiophene-2,5-diylbis(methylene))bis(azanediyl))bis(3-phenylpropan-1-ol) (L1) in combination with Cu(OAc)2·H2O employed as a new Lewis acid catalyst, furnished 3-substituted-3-hydroxyindolin-2-ones derivatives (3a-s) in good to excellent yields (81-99%) with high enantioselectivities (up to 96% ee) and spiro[4H-pyran-3,3-oxindole] derivatives (6a-l) in excellent yields (89-99%) with high ee (up to 95%). These aldol products and spiro-oxindoles constitute a core structural motif in a large number of pharmaceutically active molecules and natural products.
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Affiliation(s)
- Abdullah Mohammed Al-Majid
- Department of Chemistry, College of Science, King Saud University P. O. Box 2455 Riyadh 11451 Saudi Arabia +966-61-1467-5992
| | - Abdullah Saleh Alammari
- Department of Chemistry, College of Science, King Saud University P. O. Box 2455 Riyadh 11451 Saudi Arabia +966-61-1467-5992
| | - Saeed Alshahrani
- Department of Chemistry, College of Science, King Saud University P. O. Box 2455 Riyadh 11451 Saudi Arabia +966-61-1467-5992
| | - Matti Haukka
- Department of Chemistry, University of Jyväskylä P. O. Box 35 FI-40014 Jyväskylä Finland
| | - Mohammad Shahidul Islam
- Department of Chemistry, College of Science, King Saud University P. O. Box 2455 Riyadh 11451 Saudi Arabia +966-61-1467-5992
| | - Assem Barakat
- Department of Chemistry, College of Science, King Saud University P. O. Box 2455 Riyadh 11451 Saudi Arabia +966-61-1467-5992
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Abstract
Organocatalysts are abundantly used for various transformations, particularly to obtain highly enantio- and diastereomeric pure products by controlling the stereochemistry. These applications of organocatalysts have been the topic of several reviews. Organocatalysts have emerged as one of the very essential areas of research due to their mild reaction conditions, cost-effective nature, non-toxicity, and environmentally benign approach that obviates the need for transition metal catalysts and other toxic reagents. Various types of organocatalysts including amine catalysts, Brønsted acids, and Lewis bases such as N-heterocyclic carbene (NHC) catalysts, cinchona alkaloids, 4-dimethylaminopyridine (DMAP), and hydrogen bond-donating catalysts, have gained renewed interest because of their regioselectivity. In this review, we present recent advances in regiodivergent reactions that are governed by organocatalysts. Additionally, we briefly discuss the reaction pathways of achieving regiodivergent products by changes in conditions such as solvents, additives, or the temperature.
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Ferjancic Z, Saicic RN. Combining Organocatalyzed Aldolization and Reductive Amination: An Efficient Reaction Sequence for the Synthesis of Iminosugars. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100398] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Zorana Ferjancic
- University of Belgrade – Faculty of Chemistry Studentski trg 16, POB 51 11158 Belgrade 118 Serbia
| | - Radomir N. Saicic
- University of Belgrade – Faculty of Chemistry Studentski trg 16, POB 51 11158 Belgrade 118 Serbia
- Serbian Academy of Sciences and Arts Kneza Mihaila 35 11 000 Belgrade Serbia
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Zhao B, Yang S, Deng J, Pan K. Chiral Graphene Hybrid Materials: Structures, Properties, and Chiral Applications. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:2003681. [PMID: 33854894 PMCID: PMC8025009 DOI: 10.1002/advs.202003681] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 11/14/2020] [Indexed: 05/02/2023]
Abstract
Chirality has become an important research subject. The research areas associated with chirality are under substantial development. Meanwhile, graphene is a rapidly growing star material and has hard-wired into diverse disciplines. Rational combination of graphene and chirality undoubtedly creates unprecedented functional materials and may also lead to great findings. This hypothesis has been clearly justified by the sizable number of studies. Unfortunately, there has not been any previous review paper summarizing the scattered studies and advancements on this topic so far. This overview paper attempts to review the progress made in chiral materials developed from graphene and their derivatives, with the hope of providing a systemic knowledge about the construction of chiral graphenes and chiral applications thereof. Recently emerging directions, existing challenges, and future perspectives are also presented. It is hoped this paper will arouse more interest and promote further faster progress in these significant research areas.
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Affiliation(s)
- Biao Zhao
- State Key Laboratory of Chemical Resource EngineeringBeijing University of Chemical TechnologyBeijing100029China
- College of Materials Science and EngineeringBeijing University of Chemical TechnologyBeijing100029China
| | - Shenghua Yang
- State Key Laboratory of Chemical Resource EngineeringBeijing University of Chemical TechnologyBeijing100029China
- College of Materials Science and EngineeringBeijing University of Chemical TechnologyBeijing100029China
| | - Jianping Deng
- State Key Laboratory of Chemical Resource EngineeringBeijing University of Chemical TechnologyBeijing100029China
- College of Materials Science and EngineeringBeijing University of Chemical TechnologyBeijing100029China
| | - Kai Pan
- College of Materials Science and EngineeringBeijing University of Chemical TechnologyBeijing100029China
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11
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Wang Z, Zhang Z, Li S, Zhang X, Xia M, Xia T, Wang M. Formation mechanisms and characterisation of the typical polymers in melanoidins from vinegar, coffee and model experiments. Food Chem 2021; 355:129444. [PMID: 33780797 DOI: 10.1016/j.foodchem.2021.129444] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 02/18/2021] [Accepted: 02/20/2021] [Indexed: 02/06/2023]
Abstract
Melanoidins, are of increasing interest for their potential biological activities. However, little knowledge is available on their structure. In the present study, vinegar, coffee and model melanoidins were degraded by NaBH4, and the resultant reaction products were characterised by chromatography, mass spectrometry and spectrometry methods to elucidate the mechanism of formation of melanoidin skeleton molecules. The study identified a typical polymer with a molecular weight (MW) interval of 74 Da, which was polymerised by aldol condensation and reduced by NaBH4, followed by intermolecular dehydration. MW of the theoretically derived typical polymers matched the detected polymers, validating the speculated pathway involved in the formation of melanoidins skeleton molecules. The study also revealed that melanoidins from different sources contain polymers with the same MW and different binding preferences, contributing to the heterogeneity of melanoidins. Overall, these findings indicated that the identified polymers could be used as potential candidate biomarkers for melanoidins.
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Affiliation(s)
- Zhisong Wang
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Fermentation Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China; College of Public Health, Zunyi Medical University, Zunyi 563000, China
| | - Zhujun Zhang
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Fermentation Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China
| | - Shaopeng Li
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Fermentation Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China
| | - Xianglong Zhang
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Fermentation Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China
| | - Menglei Xia
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Fermentation Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China
| | - Ting Xia
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Fermentation Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China
| | - Min Wang
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Fermentation Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China.
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12
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Abstract
The aldol reaction which is the most important one among the C-C bond forming reactions,
is widely used by synthetic organic chemists to obtain β-hydroxycarbonyl compounds which are important
starting components for biologically active compounds in optically pure form. In this research,
five Pro-Phe derivatives were synthesized by simple amidation reactions and characterized by their
spectral data. Their catalytic activities in asymmetric aldol reaction were investigated. The catalytic
activity studies were performed with aliphatic ketones and various aromatic aldehydes. Especially, (S)-
methyl 3-mercapto-2-((S)-3-phenyl-2-((S)-pyrrolidine-2-carboxamido)propanamido)propanoate showed
good catalytic activities in water at 0oC in the presence of p-nitrobenzoic acid cocatalyst. The enantioselectivities
were up to 90.4%, the diastereomeric ratios were up to 97/3 and yields were 99%. The
results showed that these organocatalysts were promising organocatalysts for aldol reaction. Besides,
this catalyst showed its best catalytic activities in water which is also an important contribution to
green chemistry requirements.
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Affiliation(s)
- Merve Karaoglu
- Department of Chemistry, Yildiz Technical University, Davutpasa Campus, 34010 Esenler, Istanbul,Turkey
| | - Feray Aydogan
- Department of Chemistry, Yildiz Technical University, Davutpasa Campus, 34010 Esenler, Istanbul,Turkey
| | - Cigdem Yolacan
- Department of Chemistry, Yildiz Technical University, Davutpasa Campus, 34010 Esenler, Istanbul,Turkey
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13
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Ahmed EA, Soliman AM, Ali AM, Ali El‐Remaily MAEAA. Boosting the catalytic performance of zinc linked amino acid complex as an eco‐friendly for synthesis of novel pyrimidines in aqueous medium. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6197] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Eman A. Ahmed
- Department of Chemistry, Faculty of Science Sohag University Sohag Egypt
| | - Ahmed M.M. Soliman
- Department of Chemistry, Faculty of Science Sohag University Sohag Egypt
| | - Ali M. Ali
- Department of Chemistry, Faculty of Science Sohag University Sohag Egypt
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14
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Kon K, Kohari Y, Murata M. Tripeptide-Catalyzed Direct Asymmetric Aldol Reaction of Activated Ketones. J SYN ORG CHEM JPN 2020. [DOI: 10.5059/yukigoseikyokaishi.78.1174] [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)
| | - Yoshihito Kohari
- Division of Applied Chemistry, Faculty of Engineering, Kitami Institute of Technology
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15
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Khangarot RK, Khandelwal M, Ray SK. Syntheses and Applications of Singh’s Catalyst. SYNTHESIS-STUTTGART 2020. [DOI: 10.1055/s-0040-1707235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Singh’s catalyst has emerged as one of the most promising and valuable catalysts in the field of asymmetric synthesis. Since its discovery, it has proven to be one of the best organocatalysts for asymmetric direct aldol reactions, and is equally efficient in aqueous and organic media. In this Short Review, we summarize reactions utilizing Singh’s catalyst under various conditions.1 Introduction2 Synthesis of Singh’s Catalyst3 Applications in Asymmetric Synthesis4 Conclusion
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Affiliation(s)
- Rama Kanwar Khangarot
- Department of Chemistry, University College of Science, Mohanlal Sukhadia University
| | - Manisha Khandelwal
- Department of Chemistry, University College of Science, Mohanlal Sukhadia University
| | - Sumit Kumar Ray
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal
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16
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Rani D, Sethi A, Kaur K, Agarwal J. Ultrasonication-Assisted Synthesis of a d-Glucosamine-Based β-CD Inclusion Complex and Its Application as an Aqueous Heterogeneous Organocatalytic System. J Org Chem 2020; 85:9548-9557. [PMID: 32672959 DOI: 10.1021/acs.joc.0c00420] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
For the first time, an inclusion complex has been crafted between a carbohydrate-based molecule and a β-cyclodextrin (CD) hydrophobic cavity for asymmetric catalytic applications. This novel d-glucosamine-based inclusion compound has been synthesized in high yields using an innovative and proficient acoustic cavitation technology and well characterized using various techniques, such as infrared spectroscopy, nuclear magnetic resonance spectroscopy, ultraviolet-visible spectroscopy, thermogravimetric analysis, scanning electron microscopy, and other spectroscopic techniques. It was observed that the inclusion of a d-glucosamine derivative into the hydrophobic cavity of β-CD increased its surface area and thermal stability. This catalytic system worked well in water for the direct aldol reaction to afford the products in excellent yields with high diastereo- and enantioselectivities.
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Affiliation(s)
- Dhiraj Rani
- Department of Chemistry and Center of Advanced Studies, Panjab University, Chandigarh 160014, India
| | - Aaftaab Sethi
- Department of Chemistry and Center of Advanced Studies, Panjab University, Chandigarh 160014, India
| | - Khushwinder Kaur
- Department of Chemistry and Center of Advanced Studies, Panjab University, Chandigarh 160014, India
| | - Jyoti Agarwal
- Department of Chemistry and Center of Advanced Studies, Panjab University, Chandigarh 160014, India
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17
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Greve E, Porter JD, Dockendorff C. Computationally‐Guided Investigation of Dual Amine/pi Lewis Acid Catalysts for Direct Additions of Aldehydes and Ketones to Unactivated Alkenes and Alkynes. ChemistrySelect 2020. [DOI: 10.1002/slct.202001840] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Eric Greve
- Department of ChemistryMarquette University P.O. Box 1881 Milwaukee WI 53201-1881 USA
| | - Jacob D. Porter
- Department of ChemistryMarquette University P.O. Box 1881 Milwaukee WI 53201-1881 USA
| | - Chris Dockendorff
- Department of ChemistryMarquette University P.O. Box 1881 Milwaukee WI 53201-1881 USA
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18
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Meyer CC, Ortiz E, Krische MJ. Catalytic Reductive Aldol and Mannich Reactions of Enone, Acrylate, and Vinyl Heteroaromatic Pronucleophiles. Chem Rev 2020; 120:3721-3748. [PMID: 32191438 PMCID: PMC7904107 DOI: 10.1021/acs.chemrev.0c00053] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Catalytic reductive coupling of enone, acrylate, or vinyl heteroaromatic pronucleophiles with carbonyl or imine partners offers an alternative to base-mediated enolization in aldol- and Mannich-type reactions. In this review, direct catalytic reductive aldol and Mannich reactions are exhaustively catalogued on the basis of metal or organocatalyst. Stepwise processes involving enone conjugate reduction to form discrete enol or (metallo)enolate derivatives followed by introduction of carbonyl or imine electrophiles and aldol reactions initiated via enone conjugate addition are not covered.
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Affiliation(s)
- Cole C. Meyer
- University of Texas at Austin, Department of Chemistry, Welch Hall
(A5300), 105 E 24 St., Austin, TX 78712, USA
| | - Eliezer Ortiz
- University of Texas at Austin, Department of Chemistry, Welch Hall
(A5300), 105 E 24 St., Austin, TX 78712, USA
| | - Michael J. Krische
- University of Texas at Austin, Department of Chemistry, Welch Hall
(A5300), 105 E 24 St., Austin, TX 78712, USA
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19
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Assessing the Recyclability of Supramolecularly Assembled Organocatalytic Species: A Theoretical Insight. Isr J Chem 2020. [DOI: 10.1002/ijch.201900178] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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20
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Gimeno MC, Herrera RP. Hydrogen Bonding and Internal or External Lewis or Brønsted Acid Assisted (Thio)urea Catalysts. European J Org Chem 2019. [DOI: 10.1002/ejoc.201901344] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- M. Concepción Gimeno
- Departamento de Química Inorgánica; Instituto de Síntesis Química y Catálisis Homogénea (ISQCH) CSIC-Universidad de Zaragoza; C/ Pedro Cerbuna 12 50009 Zaragoza Spain
| | - Raquel P. Herrera
- Departamento de Química Orgánica. Laboratorio de Organocatálisis Asimétrica; Instituto de Síntesis Química y Catálisis Homogénea (ISQCH) CSIC-Universidad de Zaragoza; C/ Pedro Cerbuna 12 50009 Zaragoza Spain
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21
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Dodda R, Samanta S, Su M, Zhao JCG. Synthesis of 1,2-Diamine Bifunctional Catalysts for the Direct Aldol Reaction Through Probing the Remote Amide Hydrogen. CURRENT ORGANOCATALYSIS 2019. [DOI: 10.2174/2213337206666190301155247] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Background:
While proline can catalyze the asymmetric direct aldol reactions, its catalytic
activity and catalyst turnover are both low. To improve the catalytic efficiency, many prolinebased
organocatalysts have been developed. In this regard, prolinamide-based bifunctional catalysts
have been demonstrated by us and others to be highly efficient catalysts for the direct aldol reactions.
Results:
Using the β-acetamido- and β-tosylamidoprolinamide catalysts, the highly enantio- and diastereoselective
direct aldol reactions between enolizable ketones and aldehydes were achieved (up to
>99% ee, 98:2 dr). A low catalyst loading of only 2-5 mol % of the β-tosylamidoprolinamide catalyst
was needed to obtain the desired aldol products in good to high yields and high stereoselectivities.
Methods:
By carefully adjusting the hydrogen bonding ability of the remote β-amide hydrogen of the
1,2-diamine-based prolinamide bifunctional catalysts, the catalytic activity and the asymmetric induction
of these catalysts were significantly improved for the direct aldol reaction between aldehydes
and enolizable ketones.
Conclusion:
Some highly efficient 1,2-diamine-based bifunctional prolinamide catalysts have been
developed through probing the remote β-amide hydrogen for its hydrogen bonding capability. These
catalysts are easy to synthesize and high enantioselectivities may be achieved at very low catalyst
loadings.
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Affiliation(s)
- Rajasekhar Dodda
- Department of Chemistry, University of Texas at San Antonio, One UTSA Circle, San Antonio, Texas 78249-0698, United States
| | - Sampak Samanta
- Department of Chemistry, University of Texas at San Antonio, One UTSA Circle, San Antonio, Texas 78249-0698, United States
| | - Matthew Su
- Department of Chemistry, University of Texas at San Antonio, One UTSA Circle, San Antonio, Texas 78249-0698, United States
| | - John Cong-Gui Zhao
- Department of Chemistry, University of Texas at San Antonio, One UTSA Circle, San Antonio, Texas 78249-0698, United States
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22
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Tripeptide-Catalyzed Asymmetric Aldol Reaction Between α-ketoesters and Acetone Under Acidic Cocatalyst-Free Conditions. Catalysts 2019. [DOI: 10.3390/catal9060514] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Here, we report the tripeptide-catalyzed asymmetric aldol reaction between α-ketoesters and acetone under acidic cocatalysts-free conditions. H-Pro-Tle-Gly-OH 3g-catalyzed reactions between α-ketoesters and acetone resulted in up to 95% yield and 88% ee. Analysis of the transition state using density functional theory (DFT) calculations revealed that the tert-butyl group in 3g played an important role in enantioselectivity.
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23
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Affiliation(s)
| | - Deepa
- Department of ChemistryUniversity of Delhi Delhi 110007 India
| | - Surendra Singh
- Department of ChemistryUniversity of Delhi Delhi 110007 India
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24
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Tahmassebi D, Blevins JE, Gerardot SS. Zn(L-proline) 2as an efficient and reusable catalyst for the multi-component synthesis of pyran-annulated heterocyclic compounds. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.4807] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Daryoush Tahmassebi
- Department of Chemistry; Purdue University Fort Wayne; 2101 E. Coliseum Blvd Fort Wayne IN 46805 USA
| | - John E. Blevins
- Department of Chemistry; Purdue University Fort Wayne; 2101 E. Coliseum Blvd Fort Wayne IN 46805 USA
| | - Shori S. Gerardot
- Department of Chemistry; Purdue University Fort Wayne; 2101 E. Coliseum Blvd Fort Wayne IN 46805 USA
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25
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Willms JA, Vidic J, Barthelmes J, Steinmetz V, Bredow T, Maître P, Engeser M. Probing the gas-phase structure of charge-tagged intermediates of a proline catalyzed aldol reaction – vibrational spectroscopy distinguishes oxazolidinone from enamine species. Phys Chem Chem Phys 2019; 21:2578-2586. [DOI: 10.1039/c8cp04905j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Charge-tagging enables the detection of reaction intermediates which are probed by IRMPD spectroscopy in combination with theory.
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Affiliation(s)
- J. Alexander Willms
- Kekulé-Institute of Organic Chemistry and Biochemistry
- University of Bonn
- D-53121 Bonn
- Germany
| | - Jandro Vidic
- Mulliken Center for Theoretical Chemistry
- Institute of Physical und Theoretical Chemistry
- University of Bonn
- D-53115 Bonn
- Germany
| | - Janosch Barthelmes
- Kekulé-Institute of Organic Chemistry and Biochemistry
- University of Bonn
- D-53121 Bonn
- Germany
| | - Vincent Steinmetz
- Laboratoire de Chimie Physique
- Université Paris-Sud
- CNRS, Université Paris-Saclay
- Orsay
- France
| | - Thomas Bredow
- Mulliken Center for Theoretical Chemistry
- Institute of Physical und Theoretical Chemistry
- University of Bonn
- D-53115 Bonn
- Germany
| | - Philippe Maître
- Laboratoire de Chimie Physique
- Université Paris-Sud
- CNRS, Université Paris-Saclay
- Orsay
- France
| | - Marianne Engeser
- Kekulé-Institute of Organic Chemistry and Biochemistry
- University of Bonn
- D-53121 Bonn
- Germany
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26
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Unnatural tripeptide as highly enantioselective organocatalyst for asymmetric aldol reaction of isatins. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2018.12.049] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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27
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Nigro MJ, Iribarren AM, Laurella SL, Lewkowicz ES. Keto‐Enol Tautomerism in Nucleobase‐Substituted Aldols. ChemistrySelect 2018. [DOI: 10.1002/slct.201802538] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Mariano J. Nigro
- Laboratorio de Biocatálisis y BiotransformacionesUniversidad Nacional de Quilmes Roque Sáenz Peña 352, (1876) Bernal Buenos Aires Argentina
| | - Adolfo M. Iribarren
- Laboratorio de Biocatálisis y BiotransformacionesUniversidad Nacional de Quilmes Roque Sáenz Peña 352, (1876) Bernal Buenos Aires Argentina
| | - Sergio L. Laurella
- Laboratorio LADECORDivisión Química Orgánica, Departamento de QuímicaFacultad de Ciencias ExactasUniversidad Nacional de La Plata, 47 y 115 (1900) La Plata, Buenos Aires Argentina
| | - Elizabeth S. Lewkowicz
- Laboratorio de Biocatálisis y BiotransformacionesUniversidad Nacional de Quilmes Roque Sáenz Peña 352, (1876) Bernal Buenos Aires Argentina
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28
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Liu YL, Lin XT. Recent Advances in Catalytic Asymmetric Synthesis of Tertiary Alcohols via
Nucleophilic Addition to Ketones. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201801023] [Citation(s) in RCA: 106] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Yun-Lin Liu
- School of Chemistry and Chemical Engineering; Guangzhou University; Guangzhou 510006 People's Republic of China
| | - Xiao-Tong Lin
- School of Chemistry and Chemical Engineering; Guangzhou University; Guangzhou 510006 People's Republic of China
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29
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Kaur A, Singh KN, Sharma E, Shilpy, Rani P, Sharma SK. Pyrrolidine-carbamate based new and efficient chiral organocatalyst for asymmetric Michael addition of ketones to nitroolefins. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.09.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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30
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Akagawa K, Higuchi J, Yoshikawa I, Kudo K. Kinetic Resolution of Ansa Cyclophanes by Peptide-Catalyzed Aldol/Retro-Aldol Reactions. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800774] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Kengo Akagawa
- Institute of Industrial Science; The University of Tokyo; 4-6-1 Komaba, Meguro-ku 153-8505 Tokyo Japan
| | - Junichi Higuchi
- Institute of Industrial Science; The University of Tokyo; 4-6-1 Komaba, Meguro-ku 153-8505 Tokyo Japan
| | - Isao Yoshikawa
- Institute of Industrial Science; The University of Tokyo; 4-6-1 Komaba, Meguro-ku 153-8505 Tokyo Japan
| | - Kazuaki Kudo
- Institute of Industrial Science; The University of Tokyo; 4-6-1 Komaba, Meguro-ku 153-8505 Tokyo Japan
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31
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Bhati M, Kumari K, Easwar S. Probing the Synergistic Catalytic Model: A Rationally Designed Urea-Tagged Proline Catalyst for the Direct Asymmetric Aldol Reaction. J Org Chem 2018; 83:8225-8232. [PMID: 29847121 DOI: 10.1021/acs.joc.8b00962] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
A urea tag was incorporated at the C-4 position of proline, cis to its COOH group, in order to explore the prospect of a synergistic effect between the two functional groups in the transition state of the enamine route to the asymmetric aldol reaction. The catalyst proved to be an excellent performer, delivering aldols in high yields and with excellent enantio- and diastereoselectivities using just 2 mol % loading in the presence of water; it also exhibited good levels of recyclability under aqueous conditions. The favorable results reveal the interesting possibility of an intramolecular host-guest interaction between the urea and the amino acid moieties, exerting a beneficial effect on catalysis. The concept could certainly offer a new direction toward more efficient catalyst design.
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Affiliation(s)
- Meeta Bhati
- Department of Chemistry, School of Chemical Sciences and Pharmacy , Central University of Rajasthan , NH-8, Bandarsindri , Distt. Ajmer , Rajasthan 305817 , India
| | - Kiran Kumari
- Department of Chemistry, School of Chemical Sciences and Pharmacy , Central University of Rajasthan , NH-8, Bandarsindri , Distt. Ajmer , Rajasthan 305817 , India
| | - Srinivasan Easwar
- Department of Chemistry, School of Chemical Sciences and Pharmacy , Central University of Rajasthan , NH-8, Bandarsindri , Distt. Ajmer , Rajasthan 305817 , India
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32
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Duss M, Salvati Manni L, Moser L, Handschin S, Mezzenga R, Jessen HJ, Landau EM. Lipidic Mesophases as Novel Nanoreactor Scaffolds for Organocatalysts: Heterogeneously Catalyzed Asymmetric Aldol Reactions in Confined Water. ACS APPLIED MATERIALS & INTERFACES 2018; 10:5114-5124. [PMID: 29313658 DOI: 10.1021/acsami.7b19740] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The unique molecular architecture of lipidic cubic phases (LCPs) and their cubosome dispersions comprise a well-defined, curved bilayer that spans the entire three-dimensional (3-D) material space, encompassing a network of two periodic, curved, and nonintersecting 3-D aqueous channels. The ensuing large lipid/water interfacial area makes these biomaterials an interesting matrix for the lateral immobilization of organocatalysts to catalyze organic reactions in confined water. Herein, we report for the first time the design, synthesis, assembly, and characterization of catalytically active LCPs and cubosomes and demonstrate their applicability as self-assembled, biomimetic, and recyclable nanoreactor scaffolds. Small-angle X-ray scattering, cryo-transmission electron microscopy, and dynamic light scattering were applied for the characterization of the mesophases. These mesophases can be recycled and enable efficient catalytic activity as well as modulation of the diastereo- and enantioselectivity for the aldol reaction of several benzaldehyde derivatives and cyclohexanone in water.
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Affiliation(s)
- Michael Duss
- Department of Chemistry, University of Zurich , Winterthurerstrasse 190, 8057 Zürich, Switzerland
| | - Livia Salvati Manni
- Department of Chemistry, University of Zurich , Winterthurerstrasse 190, 8057 Zürich, Switzerland
- Department of Health Science & Technology, ETH Zurich , Schmelzbergstrasse 9, 8092 Zürich, Switzerland
| | - Laurent Moser
- Department of Chemistry, University of Zurich , Winterthurerstrasse 190, 8057 Zürich, Switzerland
| | - Stephan Handschin
- Department of Health Science & Technology, ETH Zurich , Schmelzbergstrasse 9, 8092 Zürich, Switzerland
| | - Raffaele Mezzenga
- Department of Health Science & Technology, ETH Zurich , Schmelzbergstrasse 9, 8092 Zürich, Switzerland
| | - Henning J Jessen
- Institute of Organic Chemistry, Albert-Ludwigs-University of Freiburg , Albertstrasse 21, 79104 Freiburg i. B., Germany
| | - Ehud M Landau
- Department of Chemistry, University of Zurich , Winterthurerstrasse 190, 8057 Zürich, Switzerland
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33
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Soares BM, Aguilar AM, Silva ER, Coutinho-Neto MD, Hamley IW, Reza M, Ruokolainen J, Alves WA. Chiral organocatalysts based on lipopeptide micelles for aldol reactions in water. Phys Chem Chem Phys 2018; 19:1181-1189. [PMID: 27942644 DOI: 10.1039/c6cp08135e] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A comprehensive study of the self-assembly in water of a lipopeptide consisting of a sequence of l-proline, l-arginine and l-tryptophan with a hydrocarbon chain has been performed. Fluorescence assays were used to determine the critical aggregation concentration. In situ small-angle X-ray scattering (SAXS) and molecular dynamics simulations showed the presence of spherical micelles with diameters around 6 nm. In agreement with these results, cryo-TEM images showed globular aggregates with diameters ranging from ≈4 nm up to ≈9 nm. Furthermore, the lipopeptide catalytic activity has been tested for the direct aldol reaction between cyclohexanone and p-nitrobenzaldehyde, and we have observed that the self-association of the organocatalyst played a critical role in the enhanced activity. Water affects the selectivity, and poor results are obtained under neat reaction conditions. The location of the catalytic groups at the lipopetide/water solvent interface also endowed unusual selectivity in the catalyzed aldol reactions. Under optimized reaction conditions, high yields (up to >99%), good enantioselectivity (ee up to 85%) and high diastereoselectivity (ds up to 92 : 8) were obtained.
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Affiliation(s)
- B M Soares
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Santo André 09210-580, Brazil.
| | - A M Aguilar
- Instituto de Ciências Ambientais, Químicas e Farmacêuticas, Universidade Federal de São Paulo, Diadema 09972270, Brazil
| | - E R Silva
- Departamento de Biofísica, Universidade Federal de São Paulo, São Paulo 04023-062, Brazil
| | - M D Coutinho-Neto
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Santo André 09210-580, Brazil.
| | - I W Hamley
- Department of Chemistry, University of Reading, Whiteknights, Reading RG6 6AD, UK
| | - M Reza
- Department of Applied Physics, Aalto University School of Science, P. O. Box 15100, FI-00076, Finland
| | - J Ruokolainen
- Department of Applied Physics, Aalto University School of Science, P. O. Box 15100, FI-00076, Finland
| | - W A Alves
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Santo André 09210-580, Brazil.
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34
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Alegre-Requena JV, Marqués-López E, Herrera RP. Organocatalyzed Enantioselective Aldol and Henry Reactions Starting from Benzylic Alcohols. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201701351] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Juan V. Alegre-Requena
- Laboratorio de Organocatálisis Asimétrica. Departamento de Química Orgánica.; Instituto de Síntesis Química y Catálisis Homogénea (ISQCH) CSIC-Universidad de Zaragoza. C/; Pedro Cerbuna 12 50009 Zaragoza Spain
| | - Eugenia Marqués-López
- Laboratorio de Organocatálisis Asimétrica. Departamento de Química Orgánica.; Instituto de Síntesis Química y Catálisis Homogénea (ISQCH) CSIC-Universidad de Zaragoza. C/; Pedro Cerbuna 12 50009 Zaragoza Spain
| | - Raquel P. Herrera
- Laboratorio de Organocatálisis Asimétrica. Departamento de Química Orgánica.; Instituto de Síntesis Química y Catálisis Homogénea (ISQCH) CSIC-Universidad de Zaragoza. C/; Pedro Cerbuna 12 50009 Zaragoza Spain
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35
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Marjanovic Trajkovic J, Milanovic V, Ferjancic Z, Saicic RN. On the Asymmetric Induction in Proline-Catalyzed Aldol Reactions: Reagent-Controlled Addition Reactions of 2,2-Dimethyl-1,3-dioxane-5-one to Acyclic Chiral α-Branched Aldehydes. European J Org Chem 2017. [DOI: 10.1002/ejoc.201701073] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
| | - Vesna Milanovic
- Faculty of Chemistry; University of Belgrade; Studentski trg 16, POB 51 11158 Belgrade 118 Serbia
| | - Zorana Ferjancic
- Faculty of Chemistry; University of Belgrade; Studentski trg 16, POB 51 11158 Belgrade 118 Serbia
| | - Radomir N. Saicic
- Faculty of Chemistry; University of Belgrade; Studentski trg 16, POB 51 11158 Belgrade 118 Serbia
- Serbian Academy of Sciences and Arts; Knez Mihailova 35 11000 Belgrade Serbia
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36
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Aldehyde-hydrate equilibrium in nucleobase 2-oxoethyl derivatives: An NMR, ESI-MS and theoretical study. J Mol Struct 2017. [DOI: 10.1016/j.molstruc.2017.05.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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37
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Kalita SJ, Das B, Deka DC. A Quick, Simple and Clean Synthesis of Spiro(indoline-3,4′-pyrazolo[4′, 3′:5,6]pyrido[2, 3-d]pyrimidines) in Water through a Novel One-Pot Multicomponent Reaction. ChemistrySelect 2017. [DOI: 10.1002/slct.201701131] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Subarna Jyoti Kalita
- Department of Chemistry; University of Gauhati, G. B. Nagar; Guwahati 781014, Assam India
| | - Bidyut Das
- Department of Chemistry; University of Gauhati, G. B. Nagar; Guwahati 781014, Assam India
| | - Dibakar Chandra Deka
- Department of Chemistry; University of Gauhati, G. B. Nagar; Guwahati 781014, Assam India
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38
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Anebouselvy K, Shruthi KS, Ramachary DB. Asymmetric Supramolecular Organocatalysis: A Complementary Upgrade to Organocatalysis. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700611] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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39
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Funabiki K, Yano Y, Hayakawa A, Inuzuka T, Kubota Y, Matsui M. Cinchonine-catalyzed in situ generation of unstable and gaseous trifluoroacetaldehyde from its hemiacetal and direct aldol reaction with 2-methoxy-1-phenylethanone. J Fluor Chem 2017. [DOI: 10.1016/j.jfluchem.2017.02.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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40
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Wang P, Li HF, Zhao JZ, Du ZH, Da CS. Organocatalytic Enantioselective Cross-Aldol Reaction of o-Hydroxyarylketones and Trifluoromethyl Ketones. Org Lett 2017; 19:2634-2637. [DOI: 10.1021/acs.orglett.7b00828] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Pei Wang
- Institute
of Biochemistry and Molecular Biology, School of Life Sciences, Lanzhou University, Lanzhou 730000, China
| | - Hong-Feng Li
- Institute
of Biochemistry and Molecular Biology, School of Life Sciences, Lanzhou University, Lanzhou 730000, China
| | - Jia-Zhen Zhao
- Institute
of Biochemistry and Molecular Biology, School of Life Sciences, Lanzhou University, Lanzhou 730000, China
| | - Zhi-Hong Du
- Institute
of Biochemistry and Molecular Biology, School of Life Sciences, Lanzhou University, Lanzhou 730000, China
| | - Chao-Shan Da
- Institute
of Biochemistry and Molecular Biology, School of Life Sciences, Lanzhou University, Lanzhou 730000, China
- State
Key Laboratory of Organic Chemistry, Lanzhou University, Lanzhou 730000, China
- Key
Lab of Preclinical Study for New Drugs of Gansu Province, Lanzhou University, Lanzhou 730000, China
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41
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42
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43
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Chen F, Ren HX, Yang Y, Ji SP, Zhang ZB, Tian F, Peng L, Wang LX. An efficient and enantioselective Michael addition of aromatic oximes to α,β-unsaturated aldehydes promoted by a chiral diamine catalyst derived from α,α-diphenyl prolinol. Chirality 2017; 29:369-375. [PMID: 28418612 DOI: 10.1002/chir.22699] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2016] [Revised: 12/13/2016] [Accepted: 12/19/2016] [Indexed: 12/26/2022]
Abstract
Chiral diamine catalysts 11a-e derived from α,α-diphenyl prolinol were prepared and successfully applied to the Michael addition of aromatic oximes to α,β-unsaturated aldehydes in mediocre to good yields (up to 78%) and good to high enantioselectivities (up to 93% ee).
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Affiliation(s)
- Feng Chen
- Key Laboratory of Asymmetric Synthesis and Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Hong-Xia Ren
- Key Laboratory of Asymmetric Synthesis and Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Yu Yang
- Key Laboratory of Asymmetric Synthesis and Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Shan-Ping Ji
- Key Laboratory of Asymmetric Synthesis and Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Zheng-Bing Zhang
- Key Laboratory of Asymmetric Synthesis and Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Fang Tian
- Key Laboratory of Asymmetric Synthesis and Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, China
| | - Lin Peng
- Key Laboratory of Asymmetric Synthesis and Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, China
| | - Li-Xin Wang
- Key Laboratory of Asymmetric Synthesis and Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, China
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44
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Heidlindemann M, Berkessel A, Gröger H. “Side-Product Catalysis”: Substrate Autoxidation as an Overlooked Side Reaction Generating a Co-Catalyst for Enhancing Asymmetric Aldol Reactions. ChemCatChem 2017. [DOI: 10.1002/cctc.201601530] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Marcel Heidlindemann
- Chair of Organic Chemistry I, Faculty of Chemistry; University of Bielefeld; Universitätsstraße 25 33615 Bielefeld Germany
| | - Albrecht Berkessel
- Department of Chemistry; University of Cologne; Greinstr. 4 50939 Köln Germany
| | - Harald Gröger
- Chair of Organic Chemistry I, Faculty of Chemistry; University of Bielefeld; Universitätsstraße 25 33615 Bielefeld Germany
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45
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Noda H, Amemiya F, Weidner K, Kumagai N, Shibasaki M. Catalytic asymmetric synthesis of CF 3-substituted tertiary propargylic alcohols via direct aldol reaction of α-N 3 amide. Chem Sci 2017; 8:3260-3269. [PMID: 28553529 PMCID: PMC5424470 DOI: 10.1039/c7sc00330g] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Accepted: 02/21/2017] [Indexed: 12/28/2022] Open
Abstract
Organofluorine compounds are found in several important classes of chemicals, such as pharmaceuticals, agrochemicals, and functional materials. Chemists have been immensely interested in the development of methodologies for expeditious access to fluorine containing building blocks. In this study, we report a new method for the catalytic asymmetric synthesis of CF3-substituted tertiary propargylic alcohols with two contiguous stereogenic centers via the direct aldol reaction of an α-N3 amide to trifluoromethyl ketones. The key to the success of this method is the identification of a catalyst comprising Cu(ii)/chiral hydroxamic acid to promote the desired aldol reaction, constructing a tetrasubstituted carbon in a highly stereoselective fashion. Despite substantial prior advances in asymmetric catalysis, this class of catalysts has not been utilized for the formation of carbon-carbon bond-forming reactions. Our mechanistic study sheds light on the unique profile of this catalytic system, where the Cu(ii) complex plays a bifunctional role of serving as a Lewis acid and a Brønsted base. Furthermore, the densely functionalized aldol adducts undergo chemoselective transformations, affording a series of fluorine containing chiral building blocks with widespread application.
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Affiliation(s)
- Hidetoshi Noda
- Institute of Microbial Chemistry (BIKAKEN) , 3-14-23 Kamiosaki, Shinagawa-ku , Tokyo 141-0021 , Japan . ;
| | - Fuyuki Amemiya
- Institute of Microbial Chemistry (BIKAKEN) , 3-14-23 Kamiosaki, Shinagawa-ku , Tokyo 141-0021 , Japan . ;
| | - Karin Weidner
- Institute of Microbial Chemistry (BIKAKEN) , 3-14-23 Kamiosaki, Shinagawa-ku , Tokyo 141-0021 , Japan . ;
| | - Naoya Kumagai
- Institute of Microbial Chemistry (BIKAKEN) , 3-14-23 Kamiosaki, Shinagawa-ku , Tokyo 141-0021 , Japan . ;
| | - Masakatsu Shibasaki
- Institute of Microbial Chemistry (BIKAKEN) , 3-14-23 Kamiosaki, Shinagawa-ku , Tokyo 141-0021 , Japan . ;
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46
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Matoušová E, Koukal P, Formánek B, Kotora M. Enantioselective Synthesis of the Unsaturated Fragment of Callyspongiolide. Org Lett 2016; 18:5656-5659. [DOI: 10.1021/acs.orglett.6b02897] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Eliška Matoušová
- Department
of Organic Chemistry,
Faculty of Science, Charles University in Prague, Albertov 6, 128 43 Prague 2, Czech Republic
| | - Petr Koukal
- Department
of Organic Chemistry,
Faculty of Science, Charles University in Prague, Albertov 6, 128 43 Prague 2, Czech Republic
| | - Bedřich Formánek
- Department
of Organic Chemistry,
Faculty of Science, Charles University in Prague, Albertov 6, 128 43 Prague 2, Czech Republic
| | - Martin Kotora
- Department
of Organic Chemistry,
Faculty of Science, Charles University in Prague, Albertov 6, 128 43 Prague 2, Czech Republic
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47
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Kumagai N, Shibasaki M. Nucleophilic and Electrophilic Activation of Non‐Heteroaromatic Amides in Atom‐Economical Asymmetric Catalysis. Chemistry 2016; 22:15192-15200. [DOI: 10.1002/chem.201602484] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Indexed: 11/11/2022]
Affiliation(s)
- Naoya Kumagai
- Institute of Microbial Chemistry (Bikaken), Tokyo 3-14-23 Kamiosaki, Shinagawa-ku Tokyo 141-0021 Japan
| | - Masakatsu Shibasaki
- Institute of Microbial Chemistry (Bikaken), Tokyo 3-14-23 Kamiosaki, Shinagawa-ku Tokyo 141-0021 Japan
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48
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Wiedenhoeft D, Benoit AR, Wu Y, Porter JD, Meyle E, Yeung TH, Huff R, Lindeman SV, Dockendorff C. Multifunctional heterocyclic scaffolds for hybrid Lewis acid/Lewis base catalysis of carbon–carbon bond formation. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.05.014] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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49
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Meninno S, Lattanzi A. Asymmetric Aldol Reaction with Formaldehyde: a Challenging Process. CHEM REC 2016; 16:2016-30. [DOI: 10.1002/tcr.201600022] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2016] [Indexed: 01/14/2023]
Affiliation(s)
- Sara Meninno
- Dipartimento di Chimica e Biologia “A. Zambelli”; Università di Salerno; Via Giovanni Paolo II 84084 Fisciano (Italy)
| | - Alessandra Lattanzi
- Dipartimento di Chimica e Biologia “A. Zambelli”; Università di Salerno; Via Giovanni Paolo II 84084 Fisciano (Italy)
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50
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Arteaga FA, Liu Z, Brewitz L, Chen J, Sun B, Kumagai N, Shibasaki M. Direct Catalytic Asymmetric Mannich-Type Reaction of Alkylamides. Org Lett 2016; 18:2391-4. [DOI: 10.1021/acs.orglett.6b00879] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Fernando Arteaga Arteaga
- Institute
of Microbial Chemistry (Bikaken),
Tokyo, 3-14-23 Kamiosaki, Shinagawa-ku, Tokyo 141-0021, Japan
| | - Zijian Liu
- Institute
of Microbial Chemistry (Bikaken),
Tokyo, 3-14-23 Kamiosaki, Shinagawa-ku, Tokyo 141-0021, Japan
| | - Lennart Brewitz
- Institute
of Microbial Chemistry (Bikaken),
Tokyo, 3-14-23 Kamiosaki, Shinagawa-ku, Tokyo 141-0021, Japan
| | - Jianyang Chen
- Institute
of Microbial Chemistry (Bikaken),
Tokyo, 3-14-23 Kamiosaki, Shinagawa-ku, Tokyo 141-0021, Japan
| | - Bo Sun
- Institute
of Microbial Chemistry (Bikaken),
Tokyo, 3-14-23 Kamiosaki, Shinagawa-ku, Tokyo 141-0021, Japan
| | - Naoya Kumagai
- Institute
of Microbial Chemistry (Bikaken),
Tokyo, 3-14-23 Kamiosaki, Shinagawa-ku, Tokyo 141-0021, Japan
| | - Masakatsu Shibasaki
- Institute
of Microbial Chemistry (Bikaken),
Tokyo, 3-14-23 Kamiosaki, Shinagawa-ku, Tokyo 141-0021, Japan
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