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Bulman Page PC, Almutairi SM, Chan Y, Stephenson GR, Gama Y, Goodyear RL, Douteau A, Allin SM, Jones GA. Asymmetric Oxidation of Enol Derivatives to α-Alkoxy Carbonyls Using Iminium Salt Catalysts: A Synthetic and Computational Study. J Org Chem 2019; 84:544-559. [PMID: 30548068 DOI: 10.1021/acs.joc.8b02354] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
We report herein the first examples of asymmetric oxidation of enol ether and ester substrates using iminium salt organocatalysis, affording moderate to excellent enantioselectivities of up to 98% ee for tetralone-derived substrates in the α-hydroxyketone products. A comprehensive density functional theory study was undertaken to interpret the competing diastereoisomeric transition states in this example in order to identify the origins of enantioselectivity. The calculations, performed at the B3LYP/6-31G(D) level of theory, gave good agreement with the experimental results, in terms of the magnitude of the effects under the specified reaction conditions, and in terms of the preferential formation of the ( R)-enantiomer. Just one of the 30 characterized transition states dominates the enantioselectivity, which is attributed to the adoption of an orientation relative to stereochemical features of the chiral controlling element that combines a CH-π interaction between a CH2 group in the substrate and one of the aromatic rings of the biaryl section of the chiral auxiliary with a good alignment of the acetoxy group with the other biaryl ring, and places the smallest substituent on the alkene (a hydrogen atom) in the most sterically hindered position.
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Affiliation(s)
- Philip C Bulman Page
- School of Chemistry , University of East Anglia , Norwich Research Park , Norwich , Norfolk NR4 7TJ , U.K
| | - Saud M Almutairi
- School of Chemistry , University of East Anglia , Norwich Research Park , Norwich , Norfolk NR4 7TJ , U.K
| | - Yohan Chan
- School of Chemistry , University of East Anglia , Norwich Research Park , Norwich , Norfolk NR4 7TJ , U.K
| | - G Richard Stephenson
- School of Chemistry , University of East Anglia , Norwich Research Park , Norwich , Norfolk NR4 7TJ , U.K
| | - Yannick Gama
- School of Chemistry , University of East Anglia , Norwich Research Park , Norwich , Norfolk NR4 7TJ , U.K
| | - Ross L Goodyear
- School of Chemistry , University of East Anglia , Norwich Research Park , Norwich , Norfolk NR4 7TJ , U.K
| | - Alice Douteau
- School of Chemistry , University of East Anglia , Norwich Research Park , Norwich , Norfolk NR4 7TJ , U.K
| | - Steven M Allin
- Department of Chemistry and Forensics , Nottingham Trent University , Clifton , Nottingham NG11 8NS , U.K
| | - Garth A Jones
- School of Chemistry , University of East Anglia , Norwich Research Park , Norwich , Norfolk NR4 7TJ , U.K
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Salomon E, Schmitt M, Marapaka AK, Stamogiannos A, Revelant G, Schmitt C, Alavi S, Florent I, Addlagatta A, Stratikos E, Tarnus C, Albrecht S. Aminobenzosuberone Scaffold as a Modular Chemical Tool for the Inhibition of Therapeutically Relevant M1 Aminopeptidases. Molecules 2018; 23:molecules23102607. [PMID: 30314342 PMCID: PMC6222927 DOI: 10.3390/molecules23102607] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Revised: 10/08/2018] [Accepted: 10/10/2018] [Indexed: 01/22/2023] Open
Abstract
The synthesis of racemic substituted 7-amino-5,7,8,9-tetrahydrobenzocyclohepten-6-one hydrochlorides was optimized to enhance reproducibility and increase the overall yield. In order to investigate their specificity, series of enzyme inhibition assays were carried out against a diversity of proteases, covering representative members of aspartic, cysteine, metallo and serine endopeptidases and including eight members of the monometallic M1 family of aminopeptidases as well as two members of the bimetallic M17 and M28 aminopeptidase families. This aminobenzosuberone scaffold indeed demonstrated selective inhibition of M1 aminopeptidases to the exclusion of other tested protease families; it was particularly potent against mammalian APN and its bacterial/parasitic orthologues EcPepN and PfAM1.
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Affiliation(s)
- Emmanuel Salomon
- Laboratoire d'Innovation Moléculaire et Applications, Université de Haute-Alsace, Université de Strasbourg, CNRS, 68093 Mulhouse, France.
| | - Marjorie Schmitt
- Laboratoire d'Innovation Moléculaire et Applications, Université de Haute-Alsace, Université de Strasbourg, CNRS, 68093 Mulhouse, France.
| | - Anil Kumar Marapaka
- Centre for Chemical Biology, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, Telangana, India.
- Academy of Scientific and Innovative Research (AcSIR), Rafi Marg, New Dehli 110001, India.
| | - Athanasios Stamogiannos
- Protein Chemistry Laboratory, INRASTES, National Centre for Scientific Research Demokritos, Agia Paraskevi, 15310 Athens, Greece.
| | - Germain Revelant
- Laboratoire d'Innovation Moléculaire et Applications, Université de Haute-Alsace, Université de Strasbourg, CNRS, 68093 Mulhouse, France.
| | - Céline Schmitt
- Laboratoire d'Innovation Moléculaire et Applications, Université de Haute-Alsace, Université de Strasbourg, CNRS, 68093 Mulhouse, France.
| | - Sarah Alavi
- Laboratoire d'Innovation Moléculaire et Applications, Université de Haute-Alsace, Université de Strasbourg, CNRS, 68093 Mulhouse, France.
| | - Isabelle Florent
- Molécules de Communication et Adaptation des Micro-organismes, Muséum National d'Histoire Naturelle, CNRS, 75231 Paris, France.
| | - Anthony Addlagatta
- Centre for Chemical Biology, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, Telangana, India.
- Academy of Scientific and Innovative Research (AcSIR), Rafi Marg, New Dehli 110001, India.
| | - Efstratios Stratikos
- Protein Chemistry Laboratory, INRASTES, National Centre for Scientific Research Demokritos, Agia Paraskevi, 15310 Athens, Greece.
| | - Céline Tarnus
- Laboratoire d'Innovation Moléculaire et Applications, Université de Haute-Alsace, Université de Strasbourg, CNRS, 68093 Mulhouse, France.
| | - Sébastien Albrecht
- Laboratoire d'Innovation Moléculaire et Applications, Université de Haute-Alsace, Université de Strasbourg, CNRS, 68093 Mulhouse, France.
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Lim SM, Hill N, Myers AG. A method for the preparation of differentiated trans-1,2-diol derivatives with enantio- and diastereocontrol. J Am Chem Soc 2009; 131:5763-5. [PMID: 19341239 DOI: 10.1021/ja901283q] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We describe a synthetic sequence that allows for the preparation of optically active trans-1,2-diol monosilyl ether derivatives from ketones, providing a new means for retrosynthetic simplification of differentiated diol and polyol targets. The sequence involves silyl enol ether formation, Shi asymmetric epoxidation, and then regio- and stereospecific addition of hydride, methide, or higher alkylide. The tactical combination presented has not been integrated in synthetic problem solving, so far as we are aware, but has promise for broad application.
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Affiliation(s)
- Sang Min Lim
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, USA
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Ma JA, Cahard D. Update 1 of: Asymmetric fluorination, trifluoromethylation, and perfluoroalkylation reactions. Chem Rev 2008; 108:PR1-43. [PMID: 18798358 DOI: 10.1021/cr800221v] [Citation(s) in RCA: 760] [Impact Index Per Article: 47.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jun-An Ma
- Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, China
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Dohi T, Maruyama A, Takenaga N, Senami K, Minamitsuji Y, Fujioka H, Caemmerer S, Kita Y. A Chiral Hypervalent Iodine(III) Reagent for Enantioselective Dearomatization of Phenols. Angew Chem Int Ed Engl 2008. [DOI: 10.1002/ange.200800464] [Citation(s) in RCA: 132] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Dohi T, Maruyama A, Takenaga N, Senami K, Minamitsuji Y, Fujioka H, Caemmerer S, Kita Y. A Chiral Hypervalent Iodine(III) Reagent for Enantioselective Dearomatization of Phenols. Angew Chem Int Ed Engl 2008; 47:3787-90. [DOI: 10.1002/anie.200800464] [Citation(s) in RCA: 393] [Impact Index Per Article: 24.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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7
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Arai T, Sato T, Kanoh H, Kaneko K, Oguma K, Yanagisawa A. Organic–Inorganic Hybrid Polymer-Encapsulated Magnetic Nanobead Catalysts. Chemistry 2008; 14:882-5. [DOI: 10.1002/chem.200701371] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Arai T, Sato T, Noguchi H, Kanoh H, Kaneko K, Yanagisawa A. Direct α-Hydroxylation of Ketones Catalyzed by Organic–Inorganic Hybrid Polymer. CHEM LETT 2006. [DOI: 10.1246/cl.2006.1094] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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9
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Bicyclo[3.2.1]octanone catalysts for asymmetric alkene epoxidation: the effect of disubstitution. Tetrahedron 2006. [DOI: 10.1016/j.tet.2005.12.073] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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10
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Tanyeli C, Akhmedov İM, İyigün Ç. The first enzymatic resolution of quaternary α-acetoxy α-substituted cyclic ketones. ACTA ACUST UNITED AC 2006. [DOI: 10.1016/j.tetasy.2006.04.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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11
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Armstrong A, Tsuchiya T. A new class of chiral tetrahydropyran-4-one catalyst for asymmetric epoxidation of alkenes. Tetrahedron 2006. [DOI: 10.1016/j.tet.2005.08.112] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Arai T, Takasugi H, Sato T, Noguchi H, Kanoh H, Kaneko K, Yanagisawa A. Catalytic Synthesis of α-Hydroxy Ketones Using Organic–Inorganic Hybrid Polymer. CHEM LETT 2005. [DOI: 10.1246/cl.2005.1590] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Ma JA, Cahard D. Asymmetric fluorination, trifluoromethylation, and perfluoroalkylation reactions. Chem Rev 2005; 104:6119-46. [PMID: 15584697 DOI: 10.1021/cr030143e] [Citation(s) in RCA: 755] [Impact Index Per Article: 39.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jun-An Ma
- UMR 6014 CNRS de Institut de Recherche en Chimie Organique Fine, Université de Rouen, Rue Tesnière, F-76821 Mont Saint Aignan Cedex, France
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Padwa A, Murphree S. Chapter 3 Three-membered ring systems. ACTA ACUST UNITED AC 2005. [DOI: 10.1016/s0959-6380(05)80045-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
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Solladié-Cavallo A, Jierry L, Lupattelli P, Bovicelli P, Antonioletti R. Cyclohexanones derived from dihydrocarvone as precursor of chiral dioxiranes for epoxidation of olefins. Tetrahedron 2004. [DOI: 10.1016/j.tet.2004.09.089] [Citation(s) in RCA: 9] [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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17
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Fleming SA, Carroll SM, Hirschi J, Liu R, Lee Pace J, Ty Redd J. Asymmetric dihydroxylation of allenes. Tetrahedron Lett 2004. [DOI: 10.1016/j.tetlet.2004.03.037] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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