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Itoh T, Hayase S, Nokami T. Synthesis of Selectively gem-Difluorinated Molecules; Chiral gem-Difluorocyclopropanes via Chemo-Enzymatic Reaction and gem-Difluorinated Compounds via Radical Reaction. CHEM REC 2023; 23:e202300028. [PMID: 36949016 DOI: 10.1002/tcr.202300028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 03/07/2023] [Indexed: 03/24/2023]
Abstract
The incorporation of fluorine atoms into an organic compound can alter the chemical reactivity or biological activity of the resulting compound due to the strong electron withdrawing nature of the fluorine atom. We have synthesized many original gem-difluorinated compounds and described the results in four sections. The first section describes the synthesis of optically active-gem-difluorocyclopropanes via the chemo-enzymatic reaction; we applied these compounds to liquid crystalline molecules, then further discovered a potent DNA cleavage activity for the gem-difluorocyclopropane derivatives. The second section describes the synthesis of selectively gem-difluorinated compounds via a radical reaction; we synthesized fluorinated analogues of a sex pheromone of the male African sugarcane borer, Eldana saccharina, and used the compounds as proof for investigating the origin of pheromone molecule recognition on the receptor protein. The third involves the synthesis of 2,2-difluorinated-esters by visible light-driven radical addition of 2,2-difluoroacetate with alkenes or alkynes in the presence of an organic pigment. The last section describes the synthesis of gem-difluorinated compounds via the ring-opening of gem-difluorocyclopropanes. We further developed a novel method of synthesizing gem-difluorohomoallylic alcohols via the ring-opening of gem-difluorocyclopropane and aerobic oxidation by photo-irradiation in the presence of an organic pigment. Since gem-difluorinated compounds that were prepared by the present method have two olefinic moieties with a different reactivity at the terminal position, we accomplished the synthesis of four types of gem-difluorinated cyclic alkenols via the ring-closing-metathesis (RCM) reaction.
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Affiliation(s)
- Toshiyuki Itoh
- Toyota Physical and Chemical Research Institute, Emeritus Professor of Tottori University, 41-1 Yokomichi, 480-1192, Nagakute city, Aichi, Japan
| | - Shuichi Hayase
- Department of Chemistry and Biotechnology, Tottori University, 4-101 Koyama-minami, 680-8552, Tottori, Japan
| | - Toshiki Nokami
- Department of Chemistry and Biotechnology, Center for Research on Green Sustainable Chemistry, Tottori University, 4-101 Koyama-minami, 680-8552, Tottori, Japan
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2
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Kirihara M, Kikkawa Y, Nakamura R, Nakakura K, Suzuki Y, Muramatsu Y. Ring-opening fluorination of cyclopropylmethanols and cycloprpanecarbardehydes with diethylaminosulfur trifluoride. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2020.152655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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3
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Adekenova KS, Wyatt PB, Adekenov SM. The preparation and properties of 1,1-difluorocyclopropane derivatives. Beilstein J Org Chem 2021; 17:245-272. [PMID: 33564335 PMCID: PMC7849233 DOI: 10.3762/bjoc.17.25] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 12/07/2020] [Indexed: 12/18/2022] Open
Abstract
Recently, the functionalization of organic molecules with fluorine substituents has grown rapidly due to its applications in such fields as medicine, agriculture or materials sciences. The aim of this article is to review the importance of 1,1-difluorocyclopropane derivatives in synthesis. It will examine the role of the fluorine substituents in both ring-forming and ring-opening reactions, as well as methods for obtaining difluorocyclopropanes as single enantiomers. Several examples are provided to highlight the biological importance of this class of compounds.
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Affiliation(s)
- Kymbat S Adekenova
- School of Biological and Chemical Sciences, Queen Mary University of London, Mile End Road, London, E1 4NS, UK
| | - Peter B Wyatt
- School of Biological and Chemical Sciences, Queen Mary University of London, Mile End Road, London, E1 4NS, UK
| | - Sergazy M Adekenov
- JSC "International Research and Production Holding "Phytochemistry", Karaganda city, 100009, Republic of Kazakhstan
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4
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Barick KC, Dutta B, Gawali SL, Phadnis PP, Priyadarsini KI, Jain VK, Hassan PA. Phenylseleno N-Acetyl α-Amino Acids Conjugated Magnetic Nanoparticles: Synthesis, Characterization and Radical Scavenging Ability. CHEM LETT 2020. [DOI: 10.1246/cl.200490] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Kanhu C. Barick
- Chemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai-400085, India
- Homi Bhabha National Institute, Anushaktinagar, Mumbai-400094, India
| | - Bijaideep Dutta
- Chemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai-400085, India
- Homi Bhabha National Institute, Anushaktinagar, Mumbai-400094, India
| | - Santosh L. Gawali
- Chemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai-400085, India
- Homi Bhabha National Institute, Anushaktinagar, Mumbai-400094, India
| | - Prasad P. Phadnis
- Chemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai-400085, India
- Homi Bhabha National Institute, Anushaktinagar, Mumbai-400094, India
| | | | - Vimal K. Jain
- UM-DAE Centre for Excellence in Basic Sciences, Vidyanagari, Mumbai-400098, India
| | - Puthusserickal A. Hassan
- Chemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai-400085, India
- Homi Bhabha National Institute, Anushaktinagar, Mumbai-400094, India
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Takenaka H, Masuhara Y, Narita K, Nokami T, Itoh T. Synthesis of 2,2-difluoro-homoallylic alcohols via ring-opening of gem-difluorocyclopropane and aerobic oxidation by photo-irradiation in the presence of an organic pigment. Org Biomol Chem 2018; 16:6106-6114. [PMID: 30091778 DOI: 10.1039/c8ob01740a] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The aerobic oxidation took place after the visible light-mediated ring-opening reaction of gem-difluorocyclopropane in the presence of an organic dye and amine to furnish 2,2-difluoro-homoallylic alcohols in good yields.
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Affiliation(s)
- Hiroaki Takenaka
- Department of Chemistry and Biotechnology
- Graduate School of Engineering
- Tottori University
- Tottori 680-8552
- Japan
| | - Yoshihiro Masuhara
- Department of Chemistry and Biotechnology
- Graduate School of Engineering
- Tottori University
- Tottori 680-8552
- Japan
| | - Kent Narita
- Department of Chemistry and Biotechnology
- Graduate School of Engineering
- Tottori University
- Tottori 680-8552
- Japan
| | - Toshiki Nokami
- Department of Chemistry and Biotechnology
- Graduate School of Engineering
- Tottori University
- Tottori 680-8552
- Japan
| | - Toshiyuki Itoh
- Department of Chemistry and Biotechnology
- Graduate School of Engineering
- Tottori University
- Tottori 680-8552
- Japan
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6
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Mustufa MA, Ozen C, Hashmi IA, Aslam A, Baig JA, Yildiz G, Muhammad S, Solangi IB, Ul Hasan Naqvi N, Ozturk M, Ali FI. Synthesis and bio-molecular study of (+)-N-Acetyl-α-amino acid dehydroabietylamine derivative for the selective therapy of hepatocellular carcinoma. BMC Cancer 2016; 16:883. [PMID: 27842576 PMCID: PMC5109647 DOI: 10.1186/s12885-016-2942-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2016] [Accepted: 11/02/2016] [Indexed: 12/13/2022] Open
Abstract
Background The purpose of present work is to synthesize novel (+)-Dehydroabietylamine derivatives (DAAD) using N-acetyl-α-amino acid conjugates and determine its cytotoxic effects on hepatocellular carcinoma cells. Methods An analytical study was conducted to explore cytotoxic activity of DAAD on hepatocellular carcinoma cell lines. The cytotoxicity effect was recorded using sulforhodamine B technique. Cell cycle analysis was performed using Propidium Iodide (PI) staining. Based on cell morphology, anti growth activity and microarray findings of DAAD2 treatment, Comet assay, Annexin V/PI staining, Immunoperoxidase assay and western blots were performed accoringly. Results Hep3B cells were found to be the most sensitive with IC50 of 2.00 ± 0.4 μM against (+)-N-(N-Acetyl-L-Cysteine)-dehydroabietylamine as DAAD2. In compliance to time dependent morphological changes of low cellular confluence, detachment and rounding of DAAD2 treated cells; noticeable changes in G2/M phase were recorded may be leading to cell cycle cessation. Up-regulation (5folds) of TUBA1A gene in Hep3B cells was determined in microarray experiments. Apoptotic mode of cell death was evaluated using standardized staining procedures including comet assay and annexin V/PI staining, Immuno-peroxidase assay. Using western blotting technique, caspase dependant apoptotic mode of cell death was recorded against Hep3B cell line. Conclusion It is concluded that a novel DAAD2 with IC50 values less than 8 μM can induce massive cell attenuation following caspase dependent apoptotic cell death in Hep3B cells. Moreover, the corelation study indicated that DAAD2 may have vital influence on cell prolifration properties. Electronic supplementary material The online version of this article (doi:10.1186/s12885-016-2942-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Muhammad Ayaz Mustufa
- 5th Floor, PHRC Specialized Research Centre on Child Health, National Institute of Child Health, Karachi, 75500, Pakistan. .,Baqai Institute of Pharmaceutical Sciences (BIPS), Baqai Medical University, Karachi, 74600, Pakistan. .,Department of Molecular, Biology and Genetics, BilGen Genetics and Biotechnology Center, Bilkent University, Ankara, 06800, Turkey.
| | - Cigdem Ozen
- Izmir International Biomedicine and Genome Institute, iBG-izmir, Dokuz Eylül University, 35340, Balcova, Izmir, Turkey
| | - Imran Ali Hashmi
- Department of Chemistry, University of Karachi, Karachi, 75270, Pakistan
| | - Afshan Aslam
- Department of Chemistry, University of Karachi, Karachi, 75270, Pakistan
| | - Jameel Ahmed Baig
- National Center of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, 76080, Pakistan
| | - Gokhan Yildiz
- Department of Medical Biology, Erzincan University Faculty of Medicine, Erzincan, 24100, Turkey
| | - Shoaib Muhammad
- Department of Chemistry, University of Karachi, Karachi, 75270, Pakistan
| | - Imam Bakhsh Solangi
- Dr. M. A. Kazi Institute of Chemistry, University of Sindh, Jamshoro, 76080, Pakistan
| | - Naim Ul Hasan Naqvi
- Baqai Institute of Pharmaceutical Sciences (BIPS), Baqai Medical University, Karachi, 74600, Pakistan
| | - Mehmet Ozturk
- Izmir International Biomedicine and Genome Institute, iBG-izmir, Dokuz Eylül University, 35340, Balcova, Izmir, Turkey
| | - Firdous Imran Ali
- Department of Chemistry, University of Karachi, Karachi, 75270, Pakistan.
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7
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Liu X, Xia X, Sun C, Lin C, Zhou Y, Hussain M, Tang F, Liu L, Li X, Zhang J. Synthesis and Evaluation of 2'-Deoxy-2'-Spirodiflurocyclopropyl Nucleoside Analogs. NUCLEOSIDES NUCLEOTIDES & NUCLEIC ACIDS 2016; 35:479-94. [PMID: 27556785 DOI: 10.1080/15257770.2016.1202965] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
The preparation of 2'-deoxy-2'-siprodifluorocyclopropany-lnucleoside analogs has been achieved from α-d-glucose in several steps. The key step in the synthesis was the introduction of the difluorocyclopropane through a difluorocarbene type reaction at the 2'-position. Then, a series of novel 2'-deoxy-2'-spirodifluorocyclopropanyl nucleoside analogs were synthesized using the Vorbrüggen method. All the synthesized nucleosides were characterized and subsequently evaluated against hepatitis C and influenza A virus strains in vitro.
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Affiliation(s)
- Xiao Liu
- a Institute of Pharmaceutical Research , South China Normal University , Guangzhou , Guangdong , PR China
| | - Xueliang Xia
- a Institute of Pharmaceutical Research , South China Normal University , Guangzhou , Guangdong , PR China
| | - Chenghai Sun
- a Institute of Pharmaceutical Research , South China Normal University , Guangzhou , Guangdong , PR China
| | - Cai Lin
- b Guangzhou Institutes of Biomedicine and Heath , Chinese Academy of Sciences , Guangzhou , PR China
| | - Yiqian Zhou
- b Guangzhou Institutes of Biomedicine and Heath , Chinese Academy of Sciences , Guangzhou , PR China
| | - Muzammal Hussain
- b Guangzhou Institutes of Biomedicine and Heath , Chinese Academy of Sciences , Guangzhou , PR China.,c University of Chinese Academy of Sciences , Beijing , PR China
| | - Fei Tang
- b Guangzhou Institutes of Biomedicine and Heath , Chinese Academy of Sciences , Guangzhou , PR China.,c University of Chinese Academy of Sciences , Beijing , PR China
| | - Lu Liu
- b Guangzhou Institutes of Biomedicine and Heath , Chinese Academy of Sciences , Guangzhou , PR China.,c University of Chinese Academy of Sciences , Beijing , PR China
| | - Xue Li
- a Institute of Pharmaceutical Research , South China Normal University , Guangzhou , Guangdong , PR China
| | - Jiancun Zhang
- b Guangzhou Institutes of Biomedicine and Heath , Chinese Academy of Sciences , Guangzhou , PR China.,d State Key Laboratory of Respiratory Disease , Guangzhou Institutes of Biomedicine and Health , Guangzhou , PR China
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8
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Zeng XP, Cao ZY, Wang YH, Zhou F, Zhou J. Catalytic Enantioselective Desymmetrization Reactions to All-Carbon Quaternary Stereocenters. Chem Rev 2016; 116:7330-96. [DOI: 10.1021/acs.chemrev.6b00094] [Citation(s) in RCA: 468] [Impact Index Per Article: 58.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Xing-Ping Zeng
- Shanghai
Key Laboratory of Green Chemistry and Chemical Processes, School of
Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, P. R. China
| | - Zhong-Yan Cao
- Shanghai
Key Laboratory of Green Chemistry and Chemical Processes, School of
Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, P. R. China
| | - Yu-Hui Wang
- Shanghai
Key Laboratory of Green Chemistry and Chemical Processes, School of
Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, P. R. China
| | - Feng Zhou
- Shanghai
Key Laboratory of Green Chemistry and Chemical Processes, School of
Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, P. R. China
| | - Jian Zhou
- Shanghai
Key Laboratory of Green Chemistry and Chemical Processes, School of
Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, P. R. China
- State
Key Laboratory and Institute of Elemento-organic Chemistry, Nankai University, Tianjin 300071, P. R. China
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9
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Thankachan AP, Sindhu KS, Krishnan KK, Anilkumar G. Recent advances in the syntheses, transformations and applications of 1,1-dihalocyclopropanes. Org Biomol Chem 2015; 13:8780-802. [PMID: 26173173 DOI: 10.1039/c5ob01088h] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
gem-Dihalocyclopropanes have wide-spread applications in organic synthesis due to their versatile chemistry. They can serve as substrates for a large range of useful materials such as natural products, alkaloids, cyclopropanes, heterocycles, aromatic ring systems etc. Normally the dihalocyclopropanes are prepared by the addition of dihalocarbene to alkene, but due to the great synthetic efficacy of gem-dihalocyclopropanes a number of methods have been developed for their synthesis. Generally gem-dihalocyclopropanes exist as strained cyclic systems with astonishing kinetic stability. They are capable of undergoing transformations leading to a variety of products which have potential applications in various synthetic organic chemistry fields.
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Affiliation(s)
- Amrutha P Thankachan
- School of Chemical Sciences, Mahatma Gandhi University, PD Hills P. O., Kottayam, Kerala, India 686560.
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10
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Liu CH, Wang SA, Ruszczycky MW, Chen H, Li K, Murakami K, Liu HW. Studies of 1-Amino-2,2-difluorocyclopropane-1-carboxylic Acid: Mechanism of Decomposition and Inhibition of 1-Aminocyclopropane-1-carboxylic Acid Deaminase. Org Lett 2015; 17:3342-5. [PMID: 26102233 PMCID: PMC5024786 DOI: 10.1021/acs.orglett.5b01570] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
1-Amino-2,2-difluorocyclopropane-1-carboxylic acid (DFACC) is of interest in the study of 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase due to the increased reactivity of its cyclopropyl functionality. It is shown that DFACC is unstable under near-physiological conditions where it primarily decomposes via specific-base catalysis to 3-fluoro-2-oxobut-3-enoic acid with a rate constant of 0.18 ± 0.01 min(-1). Upon incubation with ACC deaminase, DFACC is found to be a slow-dissociating inhibitor of ACC deaminase with submicromolar affinity.
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Affiliation(s)
- Cheng-Hao Liu
- Department of Chemistry, University of Texas at Austin, Austin, TX 78712
| | - Shao-An Wang
- Department of Chemistry, University of Texas at Austin, Austin, TX 78712
| | - Mark W. Ruszczycky
- Division of Medicinal Chemistry, College of Pharmacy, University of Texas at Austin, Austin, TX 78712
| | - Huawei Chen
- Department of Chemistry, University of Minnesota, Minneapolis, MN 55455
| | - Keqiang Li
- Department of Chemistry, University of Minnesota, Minneapolis, MN 55455
| | - Kazuo Murakami
- Department of Chemistry, University of Minnesota, Minneapolis, MN 55455
| | - Hung-wen Liu
- Department of Chemistry, University of Texas at Austin, Austin, TX 78712
- Division of Medicinal Chemistry, College of Pharmacy, University of Texas at Austin, Austin, TX 78712
- Department of Chemistry, University of Minnesota, Minneapolis, MN 55455
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11
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Kubyshkin V, Kheylik Y, Mykhailiuk PK. Synthesis and studies on gem-fluorinated 2-azabicyclo[n.1.0]alkanes. J Fluor Chem 2015. [DOI: 10.1016/j.jfluchem.2015.03.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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12
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Sethi MK, Bhandya SR, Shukla R, Kumar A, Maddur N, Mittapalli VJ, Rawat VS, Yerramalla RK. Protease-mediated preparation of valganciclovir intermediate. ACTA ACUST UNITED AC 2014. [DOI: 10.1016/j.molcatb.2014.07.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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13
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Gupta P, Rouf A, Shah BA, Mahajan N, Chaubey A, Taneja SC. Arthrobacter sp. lipase catalyzed kinetic resolution of BINOL: The effect of substrate immobilization. ACTA ACUST UNITED AC 2014. [DOI: 10.1016/j.molcatb.2013.12.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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14
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Rouf A, Taneja SC. Synthesis of single-enantiomer bioactive molecules: a brief overview. Chirality 2013; 26:63-78. [PMID: 24339171 DOI: 10.1002/chir.22268] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2013] [Accepted: 09/27/2013] [Indexed: 01/01/2023]
Abstract
Chiral-center enantiomers have been shown to differ significantly in biological activity, pharmacodynamics, pharmacokinetics and toxicity. New developments in the stereoselective organic synthesis have enriched the vast literature of synthetic methodologies applicable to access natural products as well as bioactive molecules. These compounds also include new drugs, drug candidates and reagents used to explore biological processes. The article reviews the synthesis of optically pure drugs, biologically active intermediates and amino alcohols by using different methods.
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Affiliation(s)
- Abdul Rouf
- Bio-organic Chemistry Division, Indian Institute of Integrative Medicine (CSIR), Jammu, India
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15
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García-Urdiales E, Alfonso I, Gotor V. Update 1 of: Enantioselective Enzymatic Desymmetrizations in Organic Synthesis. Chem Rev 2011; 111:PR110-80. [DOI: 10.1021/cr100330u] [Citation(s) in RCA: 130] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Eduardo García-Urdiales
- Departamento de Química
Orgánica e Inorgánica, Facultad de Química, Universidad
de Oviedo, Julián Clavería, 8, 33006 Oviedo, Spain,
and
| | - Ignacio Alfonso
- Departamento de Química Biológica
y Modelización Molecular, Instituto de Química Avanzada
de Cataluña (IQAC, CSIC), Jordi Girona, 18-26, 08034, Barcelona,
Spain
| | - Vicente Gotor
- Departamento de Química
Orgánica e Inorgánica, Facultad de Química, Universidad
de Oviedo, Julián Clavería, 8, 33006 Oviedo, Spain,
and
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16
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Cativiela C, Ordóñez M. Recent Progress on the Stereoselective Synthesis of Cyclic Quaternary alpha-Amino Acids. TETRAHEDRON, ASYMMETRY 2009; 20:1-63. [PMID: 20300486 PMCID: PMC2839256 DOI: 10.1016/j.tetasy.2009.01.002] [Citation(s) in RCA: 180] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The most recent papers describing the stereoselective synthesis of cyclic quaternary alpha-amino acids are collected in this review. The diverse synthetic approaches are classified according to the size of the ring and taking into account the bond that is formed to complete the quaternary skeleton.
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Affiliation(s)
- Carlos Cativiela
- Departamento de Química Orgánica, ICMA, Universidad de Zaragoza-CSIC, 50009 Zaragoza (Spain)
| | - Mario Ordóñez
- Centro de Investigaciones Químicas, Universidad Autónoma del Estado de Morelos, 62209 Cuernavaca, Morelos (México)
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17
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Trost BM, Malhotra S, Mino T, Rajapaksa NS. Dinuclear zinc-catalyzed asymmetric desymmetrization of acyclic 2-substituted-1,3-propanediols: a powerful entry into chiral building blocks. Chemistry 2008; 14:7648-57. [PMID: 18655088 DOI: 10.1002/chem.200800623] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
The asymmetric acylation of meso-2-substituted-1,3-propanediols by using an amphoteric chiral dinuclear zinc catalyst is described. It is has been demonstrated that both 2-alkyl- and 2-aryl-1,3-propanediols can be desymmetrized in high yields and enantioselectivities by using the same family of ligands. Given that both antipodes of the chiral catalyst are available, both enantiomers of the desymmetrized product can be obtained from the same starting material. The synthetic utility of the desymmetrized products has been demonstrated by the synthesis of several chiral building blocks with high enantiomeric purities.
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Affiliation(s)
- Barry M Trost
- Department of Chemistry, Stanford University, Stanford, CA 94305-5080, USA.
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18
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Fujioka Y, Amii H. Boron-Substituted Difluorocyclopropanes: New Building Blocks of gem-Difluorocyclopropanes. Org Lett 2008; 10:769-72. [DOI: 10.1021/ol702851t] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yasutaka Fujioka
- Department of Chemistry, Graduate School of Science, Kobe University, Kobe 657-8501, Japan
| | - Hideki Amii
- Department of Chemistry, Graduate School of Science, Kobe University, Kobe 657-8501, Japan
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19
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Brackmann F, de Meijere A. Natural Occurrence, Syntheses, and Applications of Cyclopropyl-Group-Containing α-Amino Acids. 1. 1-Aminocyclopropanecarboxylic Acid and Other 2,3-Methanoamino Acids. Chem Rev 2007; 107:4493-537. [DOI: 10.1021/cr078376j] [Citation(s) in RCA: 208] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Farina Brackmann
- Institut für Organische und Biomolekulare Chemie der Georg-August-Universität Göttingen, Tammannstrasse 2, 37077 Göttingen, Germany
| | - Armin de Meijere
- Institut für Organische und Biomolekulare Chemie der Georg-August-Universität Göttingen, Tammannstrasse 2, 37077 Göttingen, Germany
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20
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Affiliation(s)
- George W. Kabalka
- Departments of Chemistry and Radiology, The University of Tennessee, Knoxville, Tennessee 37996-1600 U.S.A
| | - Min-Liang Yao
- Departments of Chemistry and Radiology, The University of Tennessee, Knoxville, Tennessee 37996-1600 U.S.A
| | - Zhongzhi Wu
- Departments of Chemistry and Radiology, The University of Tennessee, Knoxville, Tennessee 37996-1600 U.S.A
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21
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Satoh T, Miura M, Sakai K, Yokoyama Y. Reaction of magnesium cyclopropylidene with N-lithio arylamines: a method for generation of α-amino-substituted cyclopropylmagnesiums and a study for their reactivity with electrophiles. Tetrahedron 2006. [DOI: 10.1016/j.tet.2006.01.080] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Lin C, Hiraga Y, Masaki K, Iefuji H, Ohkata K. Comparison of the chiral recognition of prochiral substrates in the acetylation reaction by a novel lipase (CSL) from the yeast, Cryptococcus spp. S-2 with immobilized PPL. ACTA ACUST UNITED AC 2006. [DOI: 10.1016/j.molcatb.2005.09.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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García-Urdiales E, Alfonso I, Gotor V. Enantioselective enzymatic desymmetrizations in organic synthesis. Chem Rev 2005; 105:313-54. [PMID: 15720156 DOI: 10.1021/cr040640a] [Citation(s) in RCA: 396] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Eduardo García-Urdiales
- Departamento de Química Orgánica e Inorgánica, Facultad de Química, Universidad de Oviedo, Julián Clavería, 8, 33071 Oviedo, Spain
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Ghanem A, Aboul-Enein HY. Lipase-mediated chiral resolution of racemates in organic solvents. ACTA ACUST UNITED AC 2004. [DOI: 10.1016/j.tetasy.2004.09.019] [Citation(s) in RCA: 258] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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25
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Sureshan KM, Miyasou T, Watanabe Y. Crystal structure, solid state and solution conformation of 1d-1,4-di-O-[(S)-O-acetylmandeloyl]-2,3:5,6-di-O-isopropylidene-myo-inositol. Carbohydr Res 2004; 339:807-11. [PMID: 14980823 DOI: 10.1016/j.carres.2003.12.018] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2003] [Revised: 12/24/2003] [Accepted: 12/31/2003] [Indexed: 11/20/2022]
Abstract
The X-ray crystal structure of 1d-1,4-di-O-[(S)-O-acetylmandeloyl]-2,3:5,6-di-O-isopropylidene-myo-inositol is described. Both inositol ring and OAM (O-acetylmandeloyl) moiety deviate from their respective ideal conformations. Inositol ring adopts a flattened chair conformation while OAM adopts an ap (antiperiplanar) conformation. A comparison of its conformation in solution with that in solid was made by the use of NOESY and anisotropic shielding effect in (1)H NMR. This conformational study revealed that the title compound adopts similar conformations in both the states.
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Affiliation(s)
- Kana M Sureshan
- Department of Applied Chemistry, Faculty of Engineering, Ehime University, Matsuyama 7908577, Japan.
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Chênevert R, Duguay D, Touraille F, Caron D. Enzymatic desymmetrization of 5-bis(hydroxymethyl)tetrahydro-2-furanone: a template for protein kinase C ligands. ACTA ACUST UNITED AC 2004. [DOI: 10.1016/j.tetasy.2004.01.030] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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27
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Sureshan KM, Miyasou T, Hayashi M, Watanabe Y. Is O-acetylmandelic acid a reliable chiral anisotropy reagent? ACTA ACUST UNITED AC 2004. [DOI: 10.1016/j.tetasy.2003.10.012] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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28
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Abstract
Lipases have been well established as valuable catalysts in organic synthesis. This review article focuses on some of the recent developments in the rapidly growing field of lipase-catalyzed kinetic resolution of racemates as a versatile method for the separation of enantiomers. The literature search dates back to the last five years and covers some comprehensive examples. The main emphasis is on the use of lipases in organic solvents.
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Affiliation(s)
- Ashraf Ghanem
- Department of Organic Chemistry, University of Geneva, Geneva, Switzerland.
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Akai S. [Development of novel asymmetric reactions oriented to next-generation enzymatic organic syntheses]. YAKUGAKU ZASSHI 2003; 123:919-31. [PMID: 14631754 DOI: 10.1248/yakushi.123.919] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Enzyme-catalyzed organic syntheses have enormous potential in the development of environmentally benign processes. In the last two decades, increased efforts have been devoted to making this a reality. However, the utility of the enzymes is generally limited. For example, although the lipases are extensively used for the kinetic resolution or the desymmetrization of alcohols and carboxylic acid derivatives, little is known about their ability to catalyze carbon-carbon bond-forming reactions. In the past several years, we have been engaged in exploiting a next-generation enzymatic synthesis by using the lipases for the construction of carbon skeletons. This review article describes the results. First, the development of a new type of acyl donor, 1-ethoxyvinyl esters (EVEs), that have significant advantages over common acyl donors (e.g., vinyl esters) for lipase-catalyzed esterification reactions. Second, the highly enantioselective desymmetrization of prochiral 1,3-propanediols and meso 1,2-diols using 1-ethoxyvinyl 2-furoate. The application of this technology for the asymmetric syntheses of fredericamycin A analogues and the oxindoles with a chiral, nonracemic quaternary carbon center has been demonstrated. Third, the first lipase-catalyzed domino reaction using EVEs possessing a suitably functionalized acyl moiety is described. The acyl moiety installed during the enzymatic kinetic resolution was used as a part of the constituent structure for the subsequent Diels--Alder reaction to product optically pure tricyclic compounds with five chiral carbon centers via a one-pot operation. The potential influence of the lipase on the Diets--Alder reaction and the domino process accompanied by the dynamic kinetic resolution are also described.
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Affiliation(s)
- Shuji Akai
- Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamada-oka, Suita 565-0871, Japan.
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