1
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Liao L, Zhang Y, Wu ZW, Ye ZT, Zhang XX, Chen G, Yu JS. Nickel-catalyzed regio- and enantio-selective Markovnikov hydromonofluoroalkylation of 1,3-dienes. Chem Sci 2022; 13:12519-12526. [PMID: 36382272 PMCID: PMC9629049 DOI: 10.1039/d2sc03958c] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 09/13/2022] [Indexed: 12/04/2022] Open
Abstract
A highly enantio- and regio-selective Markovnikov hydromonofluoro(methyl)alkylation of 1,3-dienes was developed using redox-neutral nickel catalysis. It provided a facile strategy to construct diverse monofluoromethyl- or monofluoroalkyl-containing chiral allylic molecules. Notably, this represents the first catalytic asymmetric Markovnikov hydrofluoroalkylation of olefins. The practicability of this methodology is further highlighted by its broad substrate scope, mild base-free conditions, excellent enantio- and regio-selectivity, and diversified product elaborations to access useful fluorinated building blocks. We report a highly enantio- and regio-selective Markovnikov hydromonofluoro(methyl)alkylation of 1,3-dienes using chiral Ni catalysis, allowing access to chiral allylic compounds bearing a CH2F, CD2F or monofluoroalkyl group at the stereocenter.![]()
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Affiliation(s)
- Ling Liao
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, Shanghai Key Laboratory of Green Chemistry and Chemical Processes, East China Normal University, Shanghai 200062, China
| | - Ying Zhang
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, Shanghai Key Laboratory of Green Chemistry and Chemical Processes, East China Normal University, Shanghai 200062, China
| | - Zhong-Wei Wu
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, Shanghai Key Laboratory of Green Chemistry and Chemical Processes, East China Normal University, Shanghai 200062, China
| | - Zhong-Tian Ye
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, Shanghai Key Laboratory of Green Chemistry and Chemical Processes, East China Normal University, Shanghai 200062, China
| | - Xue-Xin Zhang
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, Shanghai Key Laboratory of Green Chemistry and Chemical Processes, East China Normal University, Shanghai 200062, China
| | - Guangying Chen
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, Hainan Normal University, Haikou 571158, China
| | - Jin-Sheng Yu
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, Shanghai Key Laboratory of Green Chemistry and Chemical Processes, East China Normal University, Shanghai 200062, China
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, Hainan Normal University, Haikou 571158, China
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2
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Meazza M, Cruz CM, Ortuño AM, Cuerva JM, Crovetto L, Rios R. Studying the reactivity of alkyl substituted BODIPYs: first enantioselective addition of BODIPY to MBH carbonates. Chem Sci 2021; 12:4503-4508. [PMID: 34163715 PMCID: PMC8179495 DOI: 10.1039/d0sc06574a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 02/03/2021] [Indexed: 12/27/2022] Open
Abstract
The first enantioselective addition of alkyl BODIPYs to Morita-Baylis-Hillman (MBH) carbonates is reported. This is the first reported enantioselective methodology using the methylene position of BODIPYs as a nucleophile. The reaction is efficiently catalyzed by cinchona alkaloids, achieving high enantioselectivities and total diastereoselectivity. The use of cinchona alkaloid pseudo enantiomers (chinine/cinchonine) allows us to obtain both pairs of enantiomers in similar yields and enantioselectivities, a common issue in this type of reaction. The photophysical study of these dyes (absorption and fluorescence) has been performed in order to determine their parameters and explore future possible application in bioimaging. In addition, electronic circular dichroism (ECD) studies supported by time-dependent density functional theory (TD-DFT) calculations were also performed.
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Affiliation(s)
- Marta Meazza
- Faculty of Engineering & Physical Sciences, University of Southampton Highfield Campus Southampton SO17 1BJ UK
| | - Carlos M Cruz
- Departamento de Química Orgánica, Facultad de Ciencias, Unidad de Excelencia de Química Aplicada a la Biomedicina y Medioambiente (UEQ), Universidad de Granada Campus Fuentenueva 18071 Granada Spain
| | - Ana M Ortuño
- Departamento de Química Orgánica, Facultad de Ciencias, Unidad de Excelencia de Química Aplicada a la Biomedicina y Medioambiente (UEQ), Universidad de Granada Campus Fuentenueva 18071 Granada Spain
| | - Juan M Cuerva
- Departamento de Química Orgánica, Facultad de Ciencias, Unidad de Excelencia de Química Aplicada a la Biomedicina y Medioambiente (UEQ), Universidad de Granada Campus Fuentenueva 18071 Granada Spain
| | - Luis Crovetto
- Departamento de Fisicoquímica, Facultad de Farmacia, Unidad de Excelencia de Química Aplicada a la Biomedicina y Medioambiente (UEQ), Universidad de Granada Campus Cartuja 18071 Granada Spain
| | - Ramon Rios
- Faculty of Engineering & Physical Sciences, University of Southampton Highfield Campus Southampton SO17 1BJ UK
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3
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Pan B, Shi Y, Tian Y, Zhou Y, Zhou J, Yu J. Synthesis of Multifunctional
α
,
α
‐Difluoroketones through Allylic Alkylation of Difluoroenoxysilanes with MBH Carbonates. Chem Asian J 2020; 15:4028-4032. [DOI: 10.1002/asia.202001145] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 10/19/2020] [Indexed: 12/14/2022]
Affiliation(s)
- Bo‐Wen Pan
- College of Pharmacy Guizhou University of Traditional Chinese Medicine Guiyang 550025 P. R. China
| | - Yang Shi
- College of Pharmacy Guizhou University of Traditional Chinese Medicine Guiyang 550025 P. R. China
| | - You‐Ping Tian
- College of Pharmacy Guizhou University of Traditional Chinese Medicine Guiyang 550025 P. R. China
| | - Ying Zhou
- College of Pharmacy Guizhou University of Traditional Chinese Medicine Guiyang 550025 P. R. China
| | - Jian Zhou
- College of Pharmacy Guizhou University of Traditional Chinese Medicine Guiyang 550025 P. R. China
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development Shanghai Key Laboratory of Green Chemistry and Chemical Processes East China Normal University Shanghai 200062 P. R. China
- State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry, CAS Shanghai 200032 P.R. China
| | - Jin‐Sheng Yu
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development Shanghai Key Laboratory of Green Chemistry and Chemical Processes East China Normal University Shanghai 200062 P. R. China
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4
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Reichel M, Karaghiosoff K. Reagents for Selective Fluoromethylation: A Challenge in Organofluorine Chemistry. Angew Chem Int Ed Engl 2020; 59:12268-12281. [PMID: 32022357 PMCID: PMC7383490 DOI: 10.1002/anie.201913175] [Citation(s) in RCA: 83] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 01/30/2020] [Indexed: 01/09/2023]
Abstract
The introduction of a monofluoromethyl moiety has undoubtedly become a very important area of research in recent years. Owing to the beneficial properties of organofluorine compounds, such as their metabolic stability, the incorporation of the CH2 F group as a bioisosteric substitute for various functional groups is an attractive strategy for the discovery of new pharmaceuticals. Furthermore, the monofluoromethyl unit is also widely used in agrochemistry, in pharmaceutical chemistry, and in fine chemicals. The problems associated with climate change and the growing need for environmentally friendly industrial processes mean that alternatives to the frequently used CFC and HFBC fluoromethylating agents (CH2 FCl and CH2 FBr) are urgently needed and also required by the Montreal Protocol. This has recently prompted many researchers to develop alternative fluoromethylation agents. This Minireview summarizes both the classical and new generation of fluoromethylating agents. Reagents that act via electrophilic, nucleophilic, and radical pathways are discussed, in addition to their precursors.
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Affiliation(s)
- Marco Reichel
- Department of ChemistryLudwig-Maximilian UniversityButenandstr. 5–1381377MunichGermany
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5
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Reichel M, Karaghiosoff K. Reagenzien für die selektive Fluormethylierung: Herausforderungen der Organofluorchemie. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201913175] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Marco Reichel
- Department Chemie Ludwig-Maximilians-Universität Butenandtstr. 5–13 81377 München Deutschland
| | - Konstantin Karaghiosoff
- Department Chemie Ludwig-Maximilians-Universität Butenandtstr. 5–13 81377 München Deutschland
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6
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Paria S, Carletti E, Marcon M, Cherubini-Celli A, Mazzanti A, Rancan M, Dell'Amico L, Bonchio M, Companyó X. Light-Triggered Catalytic Asymmetric Allylic Benzylation with Photogenerated C-Nucleophiles. J Org Chem 2020; 85:4463-4474. [PMID: 32081000 PMCID: PMC7997570 DOI: 10.1021/acs.joc.0c00175] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
![]()
Herein
is reported the asymmetric allylic benzylation of Morita–Baylis–Hillman
(MBH) carbonates with 2-methylbenzophenone (MBP) derivatives as nonstabilized
photogenerated C-nucleophiles. The dual activation
of both reaction partners, chiral Lewis-base activation of the electrophile
and light activation of the nucleophile, enables the stereoselective
installation of benzyl groups at the allylic position to forge tertiary
and quaternary carbon centers.
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Affiliation(s)
- Suva Paria
- Department of Chemical Sciences, University of Padova, via Marzolo 1, 35131 Padova, Italy
| | - Edoardo Carletti
- Department of Chemical Sciences, University of Padova, via Marzolo 1, 35131 Padova, Italy
| | - Michela Marcon
- Department of Chemical Sciences, University of Padova, via Marzolo 1, 35131 Padova, Italy
| | | | - Andrea Mazzanti
- Department of Industrial Chemistry "Toso Montanari", University of Bologna, viale del Risorgimento 4, 40136 Bologna, Italy
| | - Marzio Rancan
- ICMATE-CNR, Department of Chemical Sciences, University of Padova, via Marzolo 1, 35131 Padova, Italy
| | - Luca Dell'Amico
- Department of Chemical Sciences, University of Padova, via Marzolo 1, 35131 Padova, Italy
| | - Marcella Bonchio
- Department of Chemical Sciences, University of Padova, via Marzolo 1, 35131 Padova, Italy
| | - Xavier Companyó
- Department of Chemical Sciences, University of Padova, via Marzolo 1, 35131 Padova, Italy
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7
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Halder P, Pol MD, Ahire MM, Mhaske SB. Construction of unique SCF 3-containing building blocks via allylic alkylation of Morita-Baylis-Hillman adducts. Org Biomol Chem 2020; 18:2085-2093. [PMID: 32115601 DOI: 10.1039/d0ob00104j] [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
Lewis base-catalyzed allylic alkylation of Morita-Baylis-Hillman adducts with α-SCF3 ketones has been demonstrated. The developed strategy provides efficient access to a series of highly functionalized scaffolds featuring trifluoromethanesufinyl motif on a stereogenic carbon.
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Affiliation(s)
- Priyanka Halder
- Division of Organic Chemistry, CSIR-National Chemical Laboratory, Pune - 411008, India.
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8
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Trost BM, Kalnmals CA. Sulfones as Chemical Chameleons: Versatile Synthetic Equivalents of Small-Molecule Synthons. Chemistry 2019; 25:11193-11213. [PMID: 31185136 DOI: 10.1002/chem.201902019] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Revised: 06/06/2019] [Indexed: 11/10/2022]
Abstract
Sulfones are flexible functional groups that can act as nucleophiles, electrophiles, or even radicals. Changing the reaction conditions can completely alter the reactivity of a sulfonyl group, and as a result, molecules bearing multiple sulfones are versatile building blocks. This Review highlights the unique ability of 1,1- and 1,2-bis(sulfones) to masquerade as a vast array of reactive synthons including methane polyanions, vinyl cations, and all-carbon dipoles that would be difficult or impossible to access directly.
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Affiliation(s)
- Barry M Trost
- Department of Chemistry, Stanford University, 333 Campus Drive, Stanford, CA, 94305, USA
| | - Christopher A Kalnmals
- Department of Chemistry, Stanford University, 333 Campus Drive, Stanford, CA, 94305, USA
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9
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Kamlar M, Císařová I, Hybelbauerová S, Veselý J. Asymmetric Allylic Amination of Morita-Baylis-Hillman Carbonates with Silylated tert
-Butylhydroxycarbamate Derivatives. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700222] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Martin Kamlar
- Department of Organic Chemistry; Charles University in Prague; Hlavova 8 12843 Prague Czech Republic
| | - Ivana Císařová
- Department of Inorganic Chemistry; Charles University in Prague; Hlavova 8 12843 Prague Czech Republic
| | - Simona Hybelbauerová
- Department of Teaching and Didactics of Chemistry; Charles University in Prague; Albertov 3 12843 Prague Czech Republic
| | - Jan Veselý
- Department of Organic Chemistry; Charles University in Prague; Hlavova 8 12843 Prague Czech Republic
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10
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Zhang H, Chen J, Zhao XM. Enantioselective synthesis of fluorinated branched allylic compounds via Ir-catalyzed allylations of functionalized fluorinated methylene derivatives. Org Biomol Chem 2016; 14:7183-6. [DOI: 10.1039/c6ob01246a] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Introduction of the functionalized monofluorinated methylenes into the allylic fragment under Ir catalysis gave the fluorinated branched allyl products in good to high yields with excellent regio- and enantioselectivities.
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Affiliation(s)
- Hongbo Zhang
- Shanghai Key Lab of Chemical Assessment and Sustainability
- Department of Chemistry
- Tongji University
- Shanghai 200092
- P. R. China
| | - Jiteng Chen
- Shanghai Key Lab of Chemical Assessment and Sustainability
- Department of Chemistry
- Tongji University
- Shanghai 200092
- P. R. China
| | - Xiao-Ming Zhao
- Shanghai Key Lab of Chemical Assessment and Sustainability
- Department of Chemistry
- Tongji University
- Shanghai 200092
- P. R. China
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11
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Ceban V, Tauchman J, Meazza M, Gallagher G, Light ME, Gergelitsová I, Veselý J, Rios R. Expanding the scope of Metal-Free enantioselective allylic substitutions: Anthrones. Sci Rep 2015; 5:16886. [PMID: 26592555 PMCID: PMC4655356 DOI: 10.1038/srep16886] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Accepted: 10/19/2015] [Indexed: 11/09/2022] Open
Abstract
The highly enantioselective asymmetric allylic alkylation of Morita–Baylis–Hillman carbonates with anthrones is presented. The reaction is simply catalyzed by cinchona alkaloid derivatives affording the final alkylated products in good yields and excellent enantioselectivities.
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Affiliation(s)
- Victor Ceban
- School of Chemistry, University of Southampton, Highfield Campus SO17 1BJ, UK
| | - Jiří Tauchman
- School of Chemistry, University of Southampton, Highfield Campus SO17 1BJ, UK.,Department of Organic Chemistry, Charles University in Prague, 128 43 Praha 2, Czech Republic
| | - Marta Meazza
- School of Chemistry, University of Southampton, Highfield Campus SO17 1BJ, UK
| | - Greg Gallagher
- School of Chemistry, University of Southampton, Highfield Campus SO17 1BJ, UK
| | - Mark E Light
- School of Chemistry, University of Southampton, Highfield Campus SO17 1BJ, UK
| | - Ivana Gergelitsová
- Department of Organic Chemistry, Charles University in Prague, 128 43 Praha 2, Czech Republic
| | - Jan Veselý
- Department of Organic Chemistry, Charles University in Prague, 128 43 Praha 2, Czech Republic
| | - Ramon Rios
- School of Chemistry, University of Southampton, Highfield Campus SO17 1BJ, UK
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12
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Binkowska I. Disulfonyl carbon acids – synthesis, spectroscopic and structural studies – a review. CR CHIM 2015. [DOI: 10.1016/j.crci.2014.12.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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13
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Ceban V, Putaj P, Meazza M, Pitak MB, Coles SJ, Vesely J, Rios R. Synergistic catalysis: highly diastereoselective benzoxazole addition to Morita-Baylis-Hillman carbonates. Chem Commun (Camb) 2015; 50:7447-50. [PMID: 24875953 DOI: 10.1039/c4cc00728j] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An expedited method has been developed for the diastereoselective synthesis of highly functionalized alkyl-azaarene systems with good yields and high diastereoselectivities (>15 : 1 dr). The methodology includes a synergistic catalysis event involving organometallic (10 mol% AgOAc) activation of an alkyl azaarene and Lewis base (10 mol% DABCO) activation of a Morita-Baylis-Hillman carbonate. The structure and relative configuration of a representative product were confirmed by X-ray analysis.
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Affiliation(s)
- Victor Ceban
- Chemistry, Faculty of Natural & Environmental Sciences, University of Southampton, Highfield Campus, Southampton, SO17 1BJ, UK.
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14
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Reddy CR, Mohammed SZ, Kumaraswamy P. A [3 + 2]-annulation approach to tetrasubstituted furans from MBH-carbonates of acetylenic aldehydes via sequential substitution/cycloisomerization. Org Biomol Chem 2015; 13:8310-21. [DOI: 10.1039/c5ob00989h] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
A new organo base-mediated cascade reaction has been developed for the synthesis of uniquely substituted tetrasubstituted furans, 2-furan-3-yl acrylates, starting from MBH-carbonates of acetylenic aldehydes and keto-methylenes.
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Affiliation(s)
- Chada Raji Reddy
- Division of Natural Products Chemistry
- CSIR-Indian Institute of Chemical Technology
- Hyderabad 500 007
- India
- Academy of Scientific and Innovative Research
| | - Siddique Z. Mohammed
- Division of Natural Products Chemistry
- CSIR-Indian Institute of Chemical Technology
- Hyderabad 500 007
- India
- Academy of Scientific and Innovative Research
| | - Paridala Kumaraswamy
- Division of Natural Products Chemistry
- CSIR-Indian Institute of Chemical Technology
- Hyderabad 500 007
- India
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15
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Putaj P, Tichá I, Císařová I, Veselý J. One-Pot Preparation of Chiral Carbacycles from Morita-Baylis-Hillman Carbonates by an Asymmetric Allylic Alkylation/Olefin Metathesis Sequence. European J Org Chem 2014. [DOI: 10.1002/ejoc.201402899] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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16
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Kim YS, Kim SM, Wang B, Companyó X, Li J, Moyano A, Im S, Tošner Z, Yang JW, Rios R. Expanding the Scope of the Organocatalytic Addition of Fluorobis(phenylsulfonyl)methane to Enals: Enantioselective Cascade Synthesis of Fluoroindane and Fluorochromanol Derivatives. Adv Synth Catal 2014. [DOI: 10.1002/adsc.201300703] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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17
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18
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Kamlar M, Hybelbauerová S, Císařová I, Veselý J. Organocatalytic enantioselective allylic alkylation of MBH carbonates with β-keto esters. Org Biomol Chem 2014; 12:5071-6. [DOI: 10.1039/c4ob00682h] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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19
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Nishimine T, Fukushi K, Shibata N, Taira H, Tokunaga E, Yamano A, Shiro M, Shibata N. Kinetic Resolution of Allyl Fluorides by Enantioselective Allylic Trifluoromethylation Based on Silicon-Assisted CF Bond Cleavage. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201308071] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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20
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Nishimine T, Fukushi K, Shibata N, Taira H, Tokunaga E, Yamano A, Shiro M, Shibata N. Kinetic resolution of allyl fluorides by enantioselective allylic trifluoromethylation based on silicon-assisted C-F bond cleavage. Angew Chem Int Ed Engl 2013; 53:517-20. [PMID: 24214871 DOI: 10.1002/anie.201308071] [Citation(s) in RCA: 80] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2013] [Indexed: 11/11/2022]
Abstract
Two birds, one stone! The first kinetic resolution of allyl fluorides was achieved by the development of an organocatalyzed enantioselective allylic trifluoromethylation. Two kinds of chiral fluorinated compounds, which incorporate C*F and C*CF3 units, respectively, can thus be accessed by a single transformation.
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Affiliation(s)
- Takayuki Nishimine
- Department of Frontier Materials, Nagoya Institute of Technology, Gokiso, Showa-ku, Nagoya, 466-8555 (Japan)
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21
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Yan L, Han Z, Zhu B, Yang C, Tan CH, Jiang Z. Asymmetric allylic alkylation of Morita-Baylis-Hillman carbonates with α-fluoro-β-keto esters. Beilstein J Org Chem 2013; 9:1853-7. [PMID: 24062852 PMCID: PMC3778419 DOI: 10.3762/bjoc.9.216] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2013] [Accepted: 08/19/2013] [Indexed: 11/23/2022] Open
Abstract
In the presence of a commercially available Cinchona alkaloid as catalyst, the asymmetric allylic alkylation of Morita–Baylis–Hillman carbonates, with α-fluoro-β-keto esters as nucleophiles, have been successfully developed. A series of important fluorinated adducts, with chiral quaternary carbon centres containing a fluorine atom, was achieved in good yields (up to 93%), with good to excellent enantioselectivities (up to 96% ee) and moderate diastereoselectivities (up to 4:1 dr).
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Affiliation(s)
- Lin Yan
- Institute of Chemical Biology, Henan University, Jinming Campus, Kaifeng, Henan, 475004, P. R. China
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22
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Erray I, Oble J, Poli G, Rezgui F. RegioselectiveS-allylation of thiols with cyclic Baylis–Hillman acetates. J Sulphur Chem 2013. [DOI: 10.1080/17415993.2013.809453] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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23
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Xu LW. Powerful Amino Acid Derived Bifunctional Phosphine Catalysts Bearing a Hydrogen Bond Donor in Asymmetric Synthesis. ChemCatChem 2013. [DOI: 10.1002/cctc.201300198] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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24
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Organocatalytic alkynylation of densely functionalized monofluorinated derivatives: C(sp3)–C(sp) coupling. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2013.02.023] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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25
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Companyó X, Mazzanti A, Moyano A, Janecka A, Rios R. First one-pot organocatalytic synthesis of α-methylene-γ-lactones. Chem Commun (Camb) 2013; 49:1184-6. [DOI: 10.1039/c2cc38659c] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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26
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Wang B, Companyó X, Li J, Moyano A, Rios R. Organocatalytic enantioselective substitution of MBH carbonates by 2-fluoromalonates. Tetrahedron Lett 2012. [DOI: 10.1016/j.tetlet.2012.05.121] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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27
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Yang W, Tan D, Li L, Han Z, Yan L, Huang KW, Tan CH, Jiang Z. Direct Asymmetric Allylic Alkenylation of N-Itaconimides with Morita–Baylis–Hillman Carbonates. J Org Chem 2012; 77:6600-7. [DOI: 10.1021/jo3012539] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Wenguo Yang
- Institute of Chemical
Biology, Henan University, Kaifeng, Henan,
P. R. China, 475004
| | - Davin Tan
- KAUST Catalysis Center and Division
of Chemical and Life Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, Kingdom
of Saudi Arabia, 23955-6900
| | - Lixin Li
- Institute of Chemical
Biology, Henan University, Kaifeng, Henan,
P. R. China, 475004
| | - Zhiqiang Han
- Institute of Chemical
Biology, Henan University, Kaifeng, Henan,
P. R. China, 475004
| | - Lin Yan
- Institute of Chemical
Biology, Henan University, Kaifeng, Henan,
P. R. China, 475004
| | - Kuo-Wei Huang
- KAUST Catalysis Center and Division
of Chemical and Life Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, Kingdom
of Saudi Arabia, 23955-6900
| | - Choon-Hong Tan
- Key
Laboratory of Natural Medicine and Immuno-Engineering of Henan Province, Henan University, Kaifeng, Henan, P. R. China, 475004
- Division of Chemistry and Biological Chemistry, Nanyang Technological University, 21 Nanyang Link, Singapore,
637371
| | - Zhiyong Jiang
- Institute of Chemical
Biology, Henan University, Kaifeng, Henan,
P. R. China, 475004
- Key
Laboratory of Natural Medicine and Immuno-Engineering of Henan Province, Henan University, Kaifeng, Henan, P. R. China, 475004
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Zhao MX, Chen MX, Tang WH, Wei DK, Dai TL, Shi M. Cinchona Alkaloid Catalyzed Regio- and Enantioselective Allylic Amination of Morita-Baylis-Hillman Carbonates with Isatins. European J Org Chem 2012. [DOI: 10.1002/ejoc.201200376] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Yang W, Tan D, Lee R, Li L, Pan Y, Huang KW, Tan CH, Jiang Z. Catalytic diastereoselective tandem conjugate addition-elimination reaction of Morita-Baylis-Hillman C adducts by C-C bond cleavage. Chem Asian J 2012; 7:771-7. [PMID: 22318922 DOI: 10.1002/asia.201100863] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2011] [Indexed: 11/06/2022]
Abstract
Through the cleavage of the C-C bond, the first catalytic tandem conjugate addition-elimination reaction of Morita-Baylis-Hillman C adducts has been presented. Various S(N)2'-like C-, S-, and P-allylic compounds could be obtained with exclusive E configuration in good to excellent yields. The Michael product could also be easily prepared by tuning the β-C-substituent group of the α-methylene ester under the same reaction conditions. Calculated relative energies of various transition states by DFT methods strongly support the observed chemoselectivity and diastereoselectivity.
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Affiliation(s)
- Wenguo Yang
- Key Laboratory of Natural Medicine and Immuno-Engineering of Henan Province, Henan University, Kaifeng, Henan, 475004 P. R. China
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Liu TY, Xie M, Chen YC. Organocatalytic asymmetric transformations of modified Morita–Baylis–Hillman adducts. Chem Soc Rev 2012; 41:4101-12. [DOI: 10.1039/c2cs35017c] [Citation(s) in RCA: 309] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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31
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Rios R. Organocatalytic enantioselective methodologies using Morita–Baylis–Hillman carbonates and acetates. Catal Sci Technol 2012. [DOI: 10.1039/c1cy00387a] [Citation(s) in RCA: 138] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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