1
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Babkova M, Wilhelm R. On the Influence of a Camphor‐based 1,3‐Diamine Fragment in a Proline‐Based Organocatalyst. ChemistrySelect 2022. [DOI: 10.1002/slct.202201313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Mariia Babkova
- Institute of Organic Chemistry Clausthal University of Technology Leibnizstr. 6 38678 Clausthal-Zellerfeld Germany
| | - Rene Wilhelm
- Institute of Organic Chemistry Clausthal University of Technology Leibnizstr. 6 38678 Clausthal-Zellerfeld Germany
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2
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Assies L, Mercier V, López-Andarias J, Roux A, Sakai N, Matile S. The Dynamic Range of Acidity: Tracking Rules for the Unidirectional Penetration of Cellular Compartments. Chembiochem 2022; 23:e202200192. [PMID: 35535626 PMCID: PMC9400975 DOI: 10.1002/cbic.202200192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 05/09/2022] [Indexed: 12/03/2022]
Abstract
Labeled ammonium cations with pKa∼7.4 accumulate in acidic organelles because they can be neutralized transiently to cross the membrane at cytosolic pH 7.2 but not at their internal pH<5.5. Retention in early endosomes with less acidic internal pH was achieved recently using weaker acids of up to pKa 9.8. We report here that primary ammonium cations with higher pKa 10.6, label early endosomes more efficiently. This maximized early endosome tracking coincides with increasing labeling of Golgi networks with similarly weak internal acidity. Guanidinium cations with pKa 13.5 cannot cross the plasma membrane in monomeric form and label the plasma membrane with selectivity for vesicles embarking into endocytosis. Self‐assembled into micelles, guanidinium cations enter cells like arginine‐rich cell‐penetrating peptides and, driven by their membrane potential, penetrate mitochondria unidirectionally despite their high inner pH. The resulting tracking rules with an approximated dynamic range of pKa change ∼3.5 are expected to be generally valid, thus enabling the design of chemistry tools for biology research in the broadest sense. From a practical point of view, most relevant are two complementary fluorescent flipper probes that can be used to image the mechanics at the very beginning of endocytosis.
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Affiliation(s)
- Lea Assies
- University of Geneva Faculty of Science: Universite de Geneve Faculte des Sciences, School of Chemistry and Biochemistry, SWITZERLAND
| | - Vincent Mercier
- University of Geneva Faculty of Science: Universite de Geneve Faculte des Sciences, School of Chemistry and Biochemistry, SWITZERLAND
| | - Javier López-Andarias
- University of Geneva Faculty of Science: Universite de Geneve Faculte des Sciences, School of Chemistry and Biochemistry, SWITZERLAND
| | - Aurelien Roux
- University of Geneva Faculty of Science: Universite de Geneve Faculte des Sciences, School of Chemistry and Biochemistry, SWITZERLAND
| | - Naomi Sakai
- University of Geneva Faculty of Science: Universite de Geneve Faculte des Sciences, School of Chemistry and Biochemistry, SWITZERLAND
| | - Stefan Matile
- University of Geneva, Department of Organic Chemistry, Quai Ernest-Ansermet 30, CH-1211, Geneva, SWITZERLAND
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3
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Qin X, Wu C, Lu F, Wang Z, Jiang J, Liu H. The Aldol Reaction of α‐Ketoamide with α,β‐Unsaturated Ketone in KOH Aqueous Medium. ChemistrySelect 2022. [DOI: 10.1002/slct.202104146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Xin Qin
- College of Chemistry and Materials Engineering Wenzhou University Wenzhou China
- College of Life and Environmental Science Wenzhou University Wenzhou China
| | - Chaofei Wu
- Department of Chemistry Chonnam National University Gwangju, Republic of Korea
| | - Fanyun Lu
- College of Chemistry and Materials Engineering Wenzhou University Wenzhou China
| | | | - Jun Jiang
- College of Chemistry and Materials Engineering Wenzhou University Wenzhou China
| | - Hongxin Liu
- College of Chemistry and Materials Engineering Wenzhou University Wenzhou China
- Institute of New Materials & Industrial Technology Wenzhou University Wenzhou China
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4
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Piazzolla F, Mercier V, Assies L, Sakai N, Roux A, Matile S. Fluorescent Membrane Tension Probes for Early Endosomes. Angew Chem Int Ed Engl 2021; 60:12258-12263. [DOI: 10.1002/anie.202016105] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 01/18/2020] [Indexed: 12/19/2022]
Affiliation(s)
- Francesca Piazzolla
- School of Chemistry and Biochemistry National Centre of Competence in Research (NCCR) Chemical Biology University of Geneva Geneva Switzerland
| | - Vincent Mercier
- School of Chemistry and Biochemistry National Centre of Competence in Research (NCCR) Chemical Biology University of Geneva Geneva Switzerland
| | - Lea Assies
- School of Chemistry and Biochemistry National Centre of Competence in Research (NCCR) Chemical Biology University of Geneva Geneva Switzerland
| | - Naomi Sakai
- School of Chemistry and Biochemistry National Centre of Competence in Research (NCCR) Chemical Biology University of Geneva Geneva Switzerland
| | - Aurelien Roux
- School of Chemistry and Biochemistry National Centre of Competence in Research (NCCR) Chemical Biology University of Geneva Geneva Switzerland
| | - Stefan Matile
- School of Chemistry and Biochemistry National Centre of Competence in Research (NCCR) Chemical Biology University of Geneva Geneva Switzerland
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5
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Piazzolla F, Mercier V, Assies L, Sakai N, Roux A, Matile S. Fluorescent Membrane Tension Probes for Early Endosomes. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202016105] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Francesca Piazzolla
- School of Chemistry and Biochemistry National Centre of Competence in Research (NCCR) Chemical Biology University of Geneva Geneva Switzerland
| | - Vincent Mercier
- School of Chemistry and Biochemistry National Centre of Competence in Research (NCCR) Chemical Biology University of Geneva Geneva Switzerland
| | - Lea Assies
- School of Chemistry and Biochemistry National Centre of Competence in Research (NCCR) Chemical Biology University of Geneva Geneva Switzerland
| | - Naomi Sakai
- School of Chemistry and Biochemistry National Centre of Competence in Research (NCCR) Chemical Biology University of Geneva Geneva Switzerland
| | - Aurelien Roux
- School of Chemistry and Biochemistry National Centre of Competence in Research (NCCR) Chemical Biology University of Geneva Geneva Switzerland
| | - Stefan Matile
- School of Chemistry and Biochemistry National Centre of Competence in Research (NCCR) Chemical Biology University of Geneva Geneva Switzerland
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6
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Aoki S, Kikuchi C, Kitagawa Y, Hasegawa Y, Sonoike S, Saga Y, Hatanaka M. Evaluation of Zn
2+
Coordination Structures in Chiral Zn
2+
Complexes Based on Shape Measurement Factors: Relationships between Activity and the Coordination Structure. Eur J Inorg Chem 2019. [DOI: 10.1002/ejic.201900934] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Shin Aoki
- Faculty of Pharmaceutical Sciences Tokyo University of Science 2641 Yamazaki 278‐8510 Noda Chiba Japan
- Research Institute for Science and Technology Tokyo University of Science 2641 Yamazaki 278‐8510 Noda Chiba Japan
| | - Chiharu Kikuchi
- Faculty of Pharmaceutical Sciences Tokyo University of Science 2641 Yamazaki 278‐8510 Noda Chiba Japan
| | - Yuichi Kitagawa
- Faculty of Engineering and Graduate School of Engineering Hokkaido University Kita‐13 Jo. Nishi‐8 Chome 060‐8628 Sapporo Hokkaido Japan
| | - Yasuchika Hasegawa
- Faculty of Engineering and Graduate School of Engineering Hokkaido University Kita‐13 Jo. Nishi‐8 Chome 060‐8628 Sapporo Hokkaido Japan
| | - Shotaro Sonoike
- Faculty of Pharmaceutical Sciences Tokyo University of Science 2641 Yamazaki 278‐8510 Noda Chiba Japan
- Chugai Pharmaceutical Co., Ltd. 2‐1–1‐Nihonbashi Muromachi, Cyuo‐ku 103‐8324 Tokyo Japan
| | - Yutaka Saga
- Faculty of Pharmaceutical Sciences Tokyo University of Science 2641 Yamazaki 278‐8510 Noda Chiba Japan
| | - Miho Hatanaka
- Institute for Research Initiatives Division for Research Strategy Graduate School of Science and Technology, and Nara Institute of Science and Technology 8916‐5 Takayama‐cho, Ikoma‐shi 630‐0192 Nara Japan
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7
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Li H, Hu J, Wei H, Solomon PS, Stubbs KA, Chooi YH. Biosynthesis of a Tricyclo[6.2.2.0 2,7 ]dodecane System by a Berberine Bridge Enzyme-Like Aldolase. Chemistry 2019; 25:15062-15066. [PMID: 31553484 DOI: 10.1002/chem.201904360] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2019] [Indexed: 11/06/2022]
Abstract
The aldol reaction is one of the most fundamental stereocontrolled carbon-carbon bond-forming reactions and is mainly catalyzed by aldolases in nature. Despite the fact that the aldol reaction has been widely proposed to be involved in fungal secondary metabolite biosynthesis, a dedicated aldolase that catalyzes stereoselective aldol reactions has only rarely been reported in fungi. Herein, we activated a cryptic polyketide biosynthetic gene cluster that was upregulated in the fungal wheat pathogen Parastagonospora nodorum during plant infection; this resulted in the production of the phytotoxic stemphyloxin II (1). Through heterologous reconstruction of the biosynthetic pathway and in vitro assay by using cell-free lysate from Aspergillus nidulans, we demonstrated that a berberine bridge enzyme (BBE)-like protein SthB catalyzes an intramolecular aldol reaction to establish the bridged tricyclo[6.2.2.02,7 ]dodecane skeleton in the post-assembly tailoring step. The characterization of SthB as an aldolase enriches the catalytic toolbox of classic reactions and the functional diversities of the BBE superfamily of enzymes.
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Affiliation(s)
- Hang Li
- School of Molecular Sciences, The University of Western Australia, Perth, WA, 6009, Australia
| | - Jinyu Hu
- School of Molecular Sciences, The University of Western Australia, Perth, WA, 6009, Australia
| | - Haochen Wei
- Division of Plant Science, Research School of Biology, The Australian National University, Canberra, ACT, 2601, Australia
| | - Peter S Solomon
- Division of Plant Science, Research School of Biology, The Australian National University, Canberra, ACT, 2601, Australia
| | - Keith A Stubbs
- School of Molecular Sciences, The University of Western Australia, Perth, WA, 6009, Australia
| | - Yit-Heng Chooi
- School of Molecular Sciences, The University of Western Australia, Perth, WA, 6009, Australia
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8
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Borthakur U, Saikia AK. Bismuth(III)‐Triflate‐Catalyzed Highly Diastereoselective Synthesis of Substituted Tetrahydrothiophene via Tandem Isomerization, Michael and Aldol Reactions. ChemistrySelect 2019. [DOI: 10.1002/slct.201902871] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Upasana Borthakur
- Department of chemistryIndian Institude of technology Guwahati Guwahati 781039 India
| | - Anil K Saikia
- Department of chemistryIndian Institude of technology Guwahati Guwahati 781039 India
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9
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Affiliation(s)
- Lucas Schreyer
- Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Deutschland
| | - Roberta Properzi
- Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Deutschland
| | - Benjamin List
- Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Deutschland
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10
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Abstract
High acidity and structural confinement are pivotal elements in asymmetric acid catalysis. The recently introduced imidodiphosphorimidate (IDPi) Brønsted acids have met with remarkable success in combining those features, acting as powerful Brønsted acid catalysts and "silylium" Lewis acid precatalysts in numerous thus far inaccessible transformations. Substrates as challenging to activate as simple olefins were readily transformed, ketones were employed as acceptors in aldolizations allowing sub-ppm level catalysis, whereas enolates of the smallest donor aldehyde, acetaldehyde, did not polymerize but selectively added a single time to a variety of acceptor aldehydes.
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Affiliation(s)
- Lucas Schreyer
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470, Mülheim an der Ruhr, Germany
| | - Roberta Properzi
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470, Mülheim an der Ruhr, Germany
| | - Benjamin List
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470, Mülheim an der Ruhr, Germany
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11
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Tavakolian M, Vahdati‐Khajeh S, Asgari S. Recent Advances in Solvent‐Free Asymmetric Catalysis. ChemCatChem 2019. [DOI: 10.1002/cctc.201900354] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Mina Tavakolian
- Department of ChemistryInstitute for Advanced Studies in Basic Sciences (IASBS) Zanjan 45137-6731 Iran
| | | | - Sepideh Asgari
- Department of ChemistryInstitute for Advanced Studies in Basic Sciences (IASBS) Zanjan 45137-6731 Iran
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12
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Xing S, Li J, Niu G, Han Q, Zhang J, Liu H. Chiral and amine groups functionalized polyoxometalate-based metal-organic frameworks for synergic catalysis in aldol and Knoevenagel condensations. MOLECULAR CATALYSIS 2018. [DOI: 10.1016/j.mcat.2018.08.011] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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13
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Wang S, Rodríguez-Escrich C, Fan X, Pericàs MA. A site isolation-enabled organocatalytic approach to enantiopure γ-amino alcohol drugs. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.04.022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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14
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Rahimi M, van der Meer J, Geertsema EM, Poelarends GJ. Engineering a Promiscuous Tautomerase into a More Efficient Aldolase for Self-Condensations of Linear Aliphatic Aldehydes. Chembiochem 2017; 18:1435-1441. [PMID: 28426139 PMCID: PMC5575498 DOI: 10.1002/cbic.201700121] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Indexed: 01/04/2023]
Abstract
The enzyme 4-oxalocrotonate tautomerase (4-OT) from Pseudomonas putida mt-2 takes part in a catabolic pathway for aromatic hydrocarbons, where it catalyzes the conversion of 2hydroxyhexa-2,4-dienedioate into 2-oxohexa-3-enedioate. This tautomerase can also promiscuously catalyze carbon-carbon bond-forming reactions, including various types of aldol reactions, by using its amino-terminal proline as a key catalytic residue. Here, we used systematic mutagenesis to identify two hotspots in 4-OT (Met45 and Phe50) at which single mutations give marked improvements in aldolase activity for the self-condensation of propanal. Activity screening of a focused library in which these two hotspots were varied led to the discovery of a 4-OT variant (M45Y/F50V) with strongly enhanced aldolase activity in the self-condensation of linear aliphatic aldehydes, such as acetaldehyde, propanal, and butanal, to yield α,β-unsaturated aldehydes. With both propanal and benzaldehyde, this double mutant, unlike the previously constructed single mutant F50A, mainly catalyzes the self-condensation of propanal rather than the cross-condensation of propanal and benzaldehyde, thus indicating that it indeed has altered substrate specificity. This variant could serve as a template to create new biocatalysts that lack dehydration activity and possess further enhanced aldolase activity, thus enabling the efficient enzymatic self-coupling of aliphatic aldehydes.
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Affiliation(s)
- Mehran Rahimi
- Department of Chemical and Pharmaceutical BiologyGroningen Research Institute of PharmacyUniversity of GroningenAntonius Deusinglaan 19713 AVGroningenThe Netherlands
| | - Jan‐Ytzen van der Meer
- Department of Chemical and Pharmaceutical BiologyGroningen Research Institute of PharmacyUniversity of GroningenAntonius Deusinglaan 19713 AVGroningenThe Netherlands
| | - Edzard M. Geertsema
- Department of Chemical and Pharmaceutical BiologyGroningen Research Institute of PharmacyUniversity of GroningenAntonius Deusinglaan 19713 AVGroningenThe Netherlands
- Present address: Institute for Life Science and TechnologyHanze University of Applied SciencesZernikeplein 119747 ASGroningenThe Netherlands
| | - Gerrit J. Poelarends
- Department of Chemical and Pharmaceutical BiologyGroningen Research Institute of PharmacyUniversity of GroningenAntonius Deusinglaan 19713 AVGroningenThe Netherlands
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15
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Leypold M, Schuh L, Fischer R, Torvisco A, Flock M, Stueger H, Haas M. Synthesis of Structurally Complex Silicon Frameworks through the First Sila-Aldol Reaction. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201701862] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Mario Leypold
- Institute of Inorganic Chemistry; Graz University of Technology; Stremayrgasse 9/IV 8010 Graz Austria
| | - Lukas Schuh
- Institute of Inorganic Chemistry; Graz University of Technology; Stremayrgasse 9/IV 8010 Graz Austria
| | - Roland Fischer
- Institute of Inorganic Chemistry; Graz University of Technology; Stremayrgasse 9/IV 8010 Graz Austria
| | - Ana Torvisco
- Institute of Inorganic Chemistry; Graz University of Technology; Stremayrgasse 9/IV 8010 Graz Austria
| | - Michaela Flock
- Institute of Inorganic Chemistry; Graz University of Technology; Stremayrgasse 9/IV 8010 Graz Austria
| | - Harald Stueger
- Institute of Inorganic Chemistry; Graz University of Technology; Stremayrgasse 9/IV 8010 Graz Austria
| | - Michael Haas
- Institute of Inorganic Chemistry; Graz University of Technology; Stremayrgasse 9/IV 8010 Graz Austria
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16
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Leypold M, Schuh L, Fischer R, Torvisco A, Flock M, Stueger H, Haas M. Synthesis of Structurally Complex Silicon Frameworks through the First Sila-Aldol Reaction. Angew Chem Int Ed Engl 2017; 56:8089-8093. [PMID: 28481426 DOI: 10.1002/anie.201701862] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Revised: 04/04/2017] [Indexed: 11/06/2022]
Abstract
Herein, we report on the first sila-aldol reaction, which emphasizes the tight connection between silicon and carbon chemistry. This novel synthetic method provides straightforward access to 2-oxahexasilabicyclo[3.2.1]octan-8-ide, a structurally complex silicon framework, in quantitative yield. Its structure was confirmed by NMR spectroscopy and X-ray crystallography, and it displays a distinctive charge-transfer transition. The complete mechanism of this highly selective rearrangement cascade is outlined and supported by density functional theory (DFT) calculations, which highlight the thermodynamic driving force and the low activation barriers of this powerful silicon-carbon bond-forming strategy.
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Affiliation(s)
- Mario Leypold
- Institute of Inorganic Chemistry, Graz University of Technology, Stremayrgasse 9/IV, 8010, Graz, Austria
| | - Lukas Schuh
- Institute of Inorganic Chemistry, Graz University of Technology, Stremayrgasse 9/IV, 8010, Graz, Austria
| | - Roland Fischer
- Institute of Inorganic Chemistry, Graz University of Technology, Stremayrgasse 9/IV, 8010, Graz, Austria
| | - Ana Torvisco
- Institute of Inorganic Chemistry, Graz University of Technology, Stremayrgasse 9/IV, 8010, Graz, Austria
| | - Michaela Flock
- Institute of Inorganic Chemistry, Graz University of Technology, Stremayrgasse 9/IV, 8010, Graz, Austria
| | - Harald Stueger
- Institute of Inorganic Chemistry, Graz University of Technology, Stremayrgasse 9/IV, 8010, Graz, Austria
| | - Michael Haas
- Institute of Inorganic Chemistry, Graz University of Technology, Stremayrgasse 9/IV, 8010, Graz, Austria
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17
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Gerasimchuk VV, Kucherenko AS, Fakhrutdinov AN, Medvedev MG, Nelyubina YV, Zlotin SG. Towards Sustainable Amino Acid Derived Organocatalysts for Asymmetric syn
-Aldol Reactions. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700166] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Vasiliy V. Gerasimchuk
- Zelinsky Institute of Organic Chemistry; Russian Academy of Sciences; Leninsky Prospect 47 119991 Moscow Russia
| | - Alexandr S. Kucherenko
- Zelinsky Institute of Organic Chemistry; Russian Academy of Sciences; Leninsky Prospect 47 119991 Moscow Russia
| | - Artem N. Fakhrutdinov
- Zelinsky Institute of Organic Chemistry; Russian Academy of Sciences; Leninsky Prospect 47 119991 Moscow Russia
| | - Michael G. Medvedev
- Nesmeyanov Institute of Organoelement Compounds; Russian Academy of Sciences; Vavilov str., 28 119991 Moscow Russia
| | - Yulia V. Nelyubina
- Nesmeyanov Institute of Organoelement Compounds; Russian Academy of Sciences; Vavilov str., 28 119991 Moscow Russia
| | - Sergei G. Zlotin
- Zelinsky Institute of Organic Chemistry; Russian Academy of Sciences; Leninsky Prospect 47 119991 Moscow Russia
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18
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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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19
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Lin CI, McCarty RM, Liu HW. The Enzymology of Organic Transformations: A Survey of Name Reactions in Biological Systems. Angew Chem Int Ed Engl 2017; 56:3446-3489. [PMID: 27505692 PMCID: PMC5477795 DOI: 10.1002/anie.201603291] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2016] [Indexed: 01/05/2023]
Abstract
Chemical reactions that are named in honor of their true, or at least perceived, discoverers are known as "name reactions". This Review is a collection of biological representatives of named chemical reactions. Emphasis is placed on reaction types and catalytic mechanisms that showcase both the chemical diversity in natural product biosynthesis as well as the parallels with synthetic organic chemistry. An attempt has been made, whenever possible, to describe the enzymatic mechanisms of catalysis within the context of their synthetic counterparts and to discuss the mechanistic hypotheses for those reactions that are currently active areas of investigation. This Review has been categorized by reaction type, for example condensation, nucleophilic addition, reduction and oxidation, substitution, carboxylation, radical-mediated, and rearrangements, which are subdivided by name reactions.
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Affiliation(s)
- Chia-I Lin
- Division of Chemical Biology and Medicinal Chemistry, College of Pharmacy, and Department of Chemistry, University of Texas at Austin, Austin, TX, 78731, USA
| | - Reid M McCarty
- Division of Chemical Biology and Medicinal Chemistry, College of Pharmacy, and Department of Chemistry, University of Texas at Austin, Austin, TX, 78731, USA
| | - Hung-Wen Liu
- Division of Chemical Biology and Medicinal Chemistry, College of Pharmacy, and Department of Chemistry, University of Texas at Austin, Austin, TX, 78731, USA
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20
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Lin C, McCarty RM, Liu H. Die Enzymologie organischer Umwandlungen: Namensreaktionen in biologischen Systemen. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201603291] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Chia‐I. Lin
- Division of Chemical Biology and Medicinal Chemistry College of Pharmacy, and Department of Chemistry University of Texas at Austin Austin TX 78731 USA
| | - Reid M. McCarty
- Division of Chemical Biology and Medicinal Chemistry College of Pharmacy, and Department of Chemistry University of Texas at Austin Austin TX 78731 USA
| | - Hung‐wen Liu
- Division of Chemical Biology and Medicinal Chemistry College of Pharmacy, and Department of Chemistry University of Texas at Austin Austin TX 78731 USA
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21
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Rahimi M, van der Meer JY, Geertsema EM, Poddar H, Baas BJ, Poelarends GJ. Mutations Closer to the Active Site Improve the Promiscuous Aldolase Activity of 4-Oxalocrotonate Tautomerase More Effectively than Distant Mutations. Chembiochem 2016; 17:1225-8. [PMID: 27238293 DOI: 10.1002/cbic.201600149] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Indexed: 01/15/2023]
Abstract
The enzyme 4-oxalocrotonate tautomerase (4-OT), which catalyzes enol-keto tautomerization as part of a degradative pathway for aromatic hydrocarbons, promiscuously catalyzes various carbon-carbon bond-forming reactions. These include the aldol condensation of acetaldehyde with benzaldehyde to yield cinnamaldehyde. Here, we demonstrate that 4-OT can be engineered into a more efficient aldolase for this condensation reaction, with a >5000-fold improvement in catalytic efficiency (kcat /Km ) and a >10(7) -fold change in reaction specificity, by exploring small libraries in which only "hotspots" are varied. The hotspots were identified by systematic mutagenesis (covering each residue), followed by a screen for single mutations that give a strong improvement in the desired aldolase activity. All beneficial mutations were near the active site of 4-OT, thus underpinning the notion that new catalytic activities of a promiscuous enzyme are more effectively enhanced by mutations close to the active site.
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Affiliation(s)
- Mehran Rahimi
- Department of Pharmaceutical Biology, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713, AV, Groningen, The Netherlands
| | - Jan-Ytzen van der Meer
- Department of Pharmaceutical Biology, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713, AV, Groningen, The Netherlands
| | - Edzard M Geertsema
- Department of Pharmaceutical Biology, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713, AV, Groningen, The Netherlands.,Institute for Life Science & Technology, Hanze University of Applied Sciences, Zernikeplein 11, 9747, AS, Groningen, The Netherlands
| | - Harshwardhan Poddar
- Department of Pharmaceutical Biology, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713, AV, Groningen, The Netherlands
| | - Bert-Jan Baas
- Department of Pharmaceutical Biology, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713, AV, Groningen, The Netherlands
| | - Gerrit J Poelarends
- Department of Pharmaceutical Biology, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713, AV, Groningen, The Netherlands.
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22
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Zhang X, Pu M. Density functional theory study of the mechanism of a dipeptide-catalyzed intermolecular aldol reaction—the effects of steric repulsion interactions on stereoselectivity. RSC Adv 2016. [DOI: 10.1039/c5ra26808g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
The mechanism of a dipeptide-catalyzed intermolecular aldol reaction was investigated using different calculated methods of DFT that few researches were concerned with and the detailed variations in the entire path were studied.
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Affiliation(s)
- Xiaofei Zhang
- State Key Laboratory of Chemical Resource Engineering
- Beijing University of Chemical Technology
- Beijing
- China
- Inner Mongolia Key Laboratory of Photoelectric Functional Materials
| | - Min Pu
- State Key Laboratory of Chemical Resource Engineering
- Beijing University of Chemical Technology
- Beijing
- China
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23
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Han WY, Zhao JQ, Zuo J, Xu XY, Zhang XM, Yuan WC. Recent Advances of α-Isothiocyanato Compounds in the Catalytic Asymmetric Reaction. Adv Synth Catal 2015. [DOI: 10.1002/adsc.201500264] [Citation(s) in RCA: 73] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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24
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Wen L, Huang K, Wei M, Meisner J, Liu Y, Garner K, Zang L, Wang X, Li X, Fang J, Zhang H, Wang PG. Facile Enzymatic Synthesis of Ketoses. Angew Chem Int Ed Engl 2015; 54:12654-8. [PMID: 26275233 DOI: 10.1002/anie.201505714] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2015] [Indexed: 11/12/2022]
Abstract
Studies of rare ketoses have been hampered by a lack of efficient preparation methods. A convenient, efficient, and cost-effective platform for the facile synthesis of ketoses is described. This method enables the preparation of difficult-to-access ketopentoses and ketohexoses from common and inexpensive starting materials with high yield and purity and without the need for a tedious isomer separation step.
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Affiliation(s)
- Liuqing Wen
- Department of Chemistry and Center for Therapeutics and Diagnostics, Georgia State University, Atlanta, GA 30303 (USA)
| | - Kenneth Huang
- Department of Chemistry and Center for Therapeutics and Diagnostics, Georgia State University, Atlanta, GA 30303 (USA)
| | - Mohui Wei
- Department of Chemistry and Center for Therapeutics and Diagnostics, Georgia State University, Atlanta, GA 30303 (USA)
| | - Jeffrey Meisner
- Department of Chemistry and Center for Therapeutics and Diagnostics, Georgia State University, Atlanta, GA 30303 (USA).,Current Address: Division of Pulmonary, Allergy and Immunology, Cystic Fibrosis, and Sleep, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA 30322 (USA)
| | - Yunpeng Liu
- Department of Chemistry and Center for Therapeutics and Diagnostics, Georgia State University, Atlanta, GA 30303 (USA)
| | - Kristina Garner
- Department of Chemistry and Center for Therapeutics and Diagnostics, Georgia State University, Atlanta, GA 30303 (USA)
| | - Lanlan Zang
- Department of Chemistry and Center for Therapeutics and Diagnostics, Georgia State University, Atlanta, GA 30303 (USA)
| | - Xuan Wang
- Department of Chemistry and Center for Therapeutics and Diagnostics, Georgia State University, Atlanta, GA 30303 (USA)
| | - Xu Li
- Department of Chemistry and Center for Therapeutics and Diagnostics, Georgia State University, Atlanta, GA 30303 (USA)
| | - Junqiang Fang
- National Glycoengineering Research Center, Shandong University, Jinan 250100 (China)
| | - Houcheng Zhang
- National Glycoengineering Research Center, Shandong University, Jinan 250100 (China)
| | - Peng George Wang
- Department of Chemistry and Center for Therapeutics and Diagnostics, Georgia State University, Atlanta, GA 30303 (USA). .,National Glycoengineering Research Center, Shandong University, Jinan 250100 (China).
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25
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Wen L, Huang K, Wei M, Meisner J, Liu Y, Garner K, Zang L, Wang X, Li X, Fang J, Zhang H, Wang PG. Facile Enzymatic Synthesis of Ketoses. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201505714] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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26
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Lewis JD, Van de Vyver S, Román‐Leshkov Y. Acid–Base Pairs in Lewis Acidic Zeolites Promote Direct Aldol Reactions by Soft Enolization. Angew Chem Int Ed Engl 2015; 54:9835-8. [DOI: 10.1002/anie.201502939] [Citation(s) in RCA: 117] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2015] [Indexed: 11/10/2022]
Affiliation(s)
- Jennifer D. Lewis
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139 (USA) http://www.romangroup.mit.edu
| | - Stijn Van de Vyver
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139 (USA) http://www.romangroup.mit.edu
| | - Yuriy Román‐Leshkov
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139 (USA) http://www.romangroup.mit.edu
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27
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Lewis JD, Van de Vyver S, Román‐Leshkov Y. Acid–Base Pairs in Lewis Acidic Zeolites Promote Direct Aldol Reactions by Soft Enolization. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201502939] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Jennifer D. Lewis
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139 (USA) http://www.romangroup.mit.edu
| | - Stijn Van de Vyver
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139 (USA) http://www.romangroup.mit.edu
| | - Yuriy Román‐Leshkov
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139 (USA) http://www.romangroup.mit.edu
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28
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Moteki SA, Maruyama H, Nakayama K, Li HB, Petrova G, Maeda S, Morokuma K, Maruoka K. Positive Effect of Water in Asymmetric Direct Aldol Reactions with Primary Amine Organocatalyst: Experimental and Computational Studies. Chem Asian J 2015; 10:2112-6. [DOI: 10.1002/asia.201500078] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Indexed: 11/10/2022]
Affiliation(s)
- Shin A. Moteki
- Laboratory of Synthetic Organic Chemistry and Special Laboratory of Organocatalytic Chemistry; Department of Chemistry, Graduate School of Science; Kyoto University, Sakyo; Kyoto 606-8502 Japan), Fax: (+81) 75-753-4041
| | - Hiroki Maruyama
- Laboratory of Synthetic Organic Chemistry and Special Laboratory of Organocatalytic Chemistry; Department of Chemistry, Graduate School of Science; Kyoto University, Sakyo; Kyoto 606-8502 Japan), Fax: (+81) 75-753-4041
| | - Keiji Nakayama
- Laboratory of Synthetic Organic Chemistry and Special Laboratory of Organocatalytic Chemistry; Department of Chemistry, Graduate School of Science; Kyoto University, Sakyo; Kyoto 606-8502 Japan), Fax: (+81) 75-753-4041
| | - Hai-Bei Li
- Fukui Institute for Fundamental Chemistry; Kyoto University, Sakyo; Kyoto 606-8103 Japan
- School of Ocean; Shandong University; Weihai 264209 China
| | - Galina Petrova
- Fukui Institute for Fundamental Chemistry; Kyoto University, Sakyo; Kyoto 606-8103 Japan
| | - Satoshi Maeda
- Department of Chemistry, Faculty of Science; Hokkaido University; Sapporo 060-0810 Japan
| | - Keiji Morokuma
- Fukui Institute for Fundamental Chemistry; Kyoto University, Sakyo; Kyoto 606-8103 Japan
| | - Keiji Maruoka
- Laboratory of Synthetic Organic Chemistry and Special Laboratory of Organocatalytic Chemistry; Department of Chemistry, Graduate School of Science; Kyoto University, Sakyo; Kyoto 606-8502 Japan), Fax: (+81) 75-753-4041
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29
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Poddar H, Rahimi M, Geertsema EM, Thunnissen AMWH, Poelarends GJ. Evidence for the formation of an enamine species during aldol and Michael-type addition reactions promiscuously catalyzed by 4-oxalocrotonate tautomerase. Chembiochem 2015; 16:738-41. [PMID: 25728471 DOI: 10.1002/cbic.201402687] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2014] [Indexed: 11/08/2022]
Abstract
The enzyme 4-oxalocrotonate tautomerase (4-OT), which has a catalytic N-terminal proline residue (Pro1), can promiscuously catalyze various carbon-carbon bond-forming reactions, including aldol condensation of acetaldehyde with benzaldehyde to yield cinnamaldehyde, and Michael-type addition of acetaldehyde to a wide variety of nitroalkenes to yield valuable γ-nitroaldehydes. To gain insight into how 4-OT catalyzes these unnatural reactions, we carried out exchange studies in D2 O, and X-ray crystallography studies. The former established that H-D exchange within acetaldehyde is catalyzed by 4-OT and that the Pro1 residue is crucial for this activity. The latter showed that Pro1 of 4-OT had reacted with acetaldehyde to give an enamine species. These results provide evidence of the mechanism of the 4-OT-catalyzed aldol and Michael-type addition reactions in which acetaldehyde is activated for nucleophilic addition by Pro1-dependent formation of an enamine intermediate.
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Affiliation(s)
- Harshwardhan Poddar
- Department of Pharmaceutical Biology, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713 AV Groningen (The Netherlands)
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30
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Fan X, Rodríguez-Escrich C, Wang S, Sayalero S, Pericàs MA. Highly enantioselective cross-aldol reactions of acetaldehyde mediated by a dual catalytic system operating under site isolation. Chemistry 2014; 20:13089-93. [PMID: 25168085 DOI: 10.1002/chem.201404215] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2014] [Indexed: 11/07/2022]
Abstract
Polystyrene-supported (PS) diarylprolinol catalysts 1 a (Ar = phenyl) and 1 b (Ar = 3,5-bis(trifluoromethyl)phenyl) have been developed. Operating under site-isolation conditions, PS-1 a/1 b worked compatibly with PS-bound sulfonic acid catalyst 2 to promote deoligomerization of paraldehyde and subsequent cross-aldol reactions of the resulting acetaldehyde in one pot, affording aldol products in high yields with excellent enantioselectivities. The effect of water on the performance of the catalytic system has been studied and its optimal amount (0.5 equiv) has been determined. The dual catalytic system (1/2) allows repeated recycling and reuse (10 cycles). The potential of this methodology is demonstrated by a two-step synthesis of a phenoperidine analogue (68% overall yield; 98% ee) and by the preparation of highly enantioenriched 1,3-diols 4 and 3-methylamino-1-arylpropanols 5, key intermediates in the synthesis of a variety of druglike structures.
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Affiliation(s)
- Xinyuan Fan
- Institute of Chemical Research of Catalonia (ICIQ), Avinguda Països Catalans 16, 43007, Tarragona (Spain), Fax: (+34) 977-920-243
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31
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Willms JA, Beel R, Schmidt ML, Mundt C, Engeser M. A new charge-tagged proline-based organocatalyst for mechanistic studies using electrospray mass spectrometry. Beilstein J Org Chem 2014; 10:2027-37. [PMID: 25246962 PMCID: PMC4168921 DOI: 10.3762/bjoc.10.211] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2014] [Accepted: 08/13/2014] [Indexed: 11/23/2022] Open
Abstract
A new 4-hydroxy-L-proline derivative with a charged 1-ethylpyridinium-4-phenoxy substituent has been synthesized with the aim of facilitating mechanistic studies of proline-catalyzed reactions by ESI mass spectrometry. The charged residue ensures a strongly enhanced ESI response compared to neutral unmodified proline. The connection by a rigid linker fixes the position of the charge tag far away from the catalytic center in order to avoid unwanted interactions. The use of a charged catalyst leads to significantly enhanced ESI signal abundances for every catalyst-derived species which are the ones of highest interest present in a reacting solution. The new charged proline catalyst has been tested in the direct asymmetric inverse aldol reaction between aldehydes and diethyl ketomalonate. Two intermediates in accordance with the List-Houk mechanism for enamine catalysis have been detected and characterized by gas-phase fragmentation. In addition, their temporal evolution has been followed using a microreactor continuous-flow technique.
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Affiliation(s)
- J Alexander Willms
- University of Bonn, Kekulé-Institute of Organic Chemistry and Biochemistry, Gerhard-Domagk-Str. 1, D-53121 Bonn, Germany
| | - Rita Beel
- University of Bonn, Kekulé-Institute of Organic Chemistry and Biochemistry, Gerhard-Domagk-Str. 1, D-53121 Bonn, Germany
| | - Martin L Schmidt
- University of Bonn, Kekulé-Institute of Organic Chemistry and Biochemistry, Gerhard-Domagk-Str. 1, D-53121 Bonn, Germany
| | - Christian Mundt
- University of Bonn, Kekulé-Institute of Organic Chemistry and Biochemistry, Gerhard-Domagk-Str. 1, D-53121 Bonn, Germany
| | - Marianne Engeser
- University of Bonn, Kekulé-Institute of Organic Chemistry and Biochemistry, Gerhard-Domagk-Str. 1, D-53121 Bonn, Germany
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32
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Enantioselective Heterogeneous Synergistic Catalysis for Asymmetric Cascade Transformations. Adv Synth Catal 2014. [DOI: 10.1002/adsc.201400291] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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33
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Girard SA, Knauber T, Li CJ. Dehydrierende Kreuzkupplungen von C sp 3-H-Bindungen: vielseitige Verfahren zur Bildung von C-C-Bindungen. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201304268] [Citation(s) in RCA: 394] [Impact Index Per Article: 35.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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34
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Girard SA, Knauber T, Li CJ. The cross-dehydrogenative coupling of C(sp3)-H bonds: a versatile strategy for C-C bond formations. Angew Chem Int Ed Engl 2013; 53:74-100. [PMID: 24214829 DOI: 10.1002/anie.201304268] [Citation(s) in RCA: 1536] [Impact Index Per Article: 139.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2013] [Revised: 07/23/2013] [Indexed: 11/09/2022]
Abstract
Over the last decade, substantial research has led to the introduction of an impressive number of efficient procedures which allow the selective construction of CC bonds by directly connecting two different CH bonds under oxidative conditions. Common to these methodologies is the generation of the reactive intermediates in situ by activation of both CH bonds. This strategy was introduced by the group of Li as cross-dehydrogenative coupling (CDC) and discloses waste-minimized synthetic alternatives to classic coupling procedures which rely on the use of prefunctionalized starting materials. This Review highlights the recent progress in the field of cross-dehydrogenative C sp 3C formations and provides a comprehensive overview on existing procedures and employed methodologies.
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Affiliation(s)
- Simon A Girard
- Department of Chemistry and FQRNT Center for Green Chemistry and Catalysis, McGill University, 801 Sherbrooke St. W., Montréal, Quebec H3A 0B8 (Canada) http://cjli.mcgill.ca
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35
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Larrañaga O, de Cózar A, Bickelhaupt FM, Zangi R, Cossío FP. Aggregation and cooperative effects in the aldol reactions of lithium enolates. Chemistry 2013; 19:13761-73. [PMID: 23964002 DOI: 10.1002/chem.201301597] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2013] [Indexed: 11/11/2022]
Abstract
Density functional theory and Car-Parrinello molecular dynamics simulations have been carried out for model aldol reactions involving aggregates of lithium enolates derived from acetaldehyde and acetone. Formaldehyde and acetone have been used as electrophiles. It is found that the geometries of the enolate aggregates are in general determined by the most favorable arrangements of the point charges within the respective Lin On clusters. The reactivity of the enolates follows the sequence monomer≫dimer>tetramer. In lithium aggregates, the initially formed aldol adducts must rearrange to form more stable structures in which the enolate and alkoxide oxygen atoms are within the respective Lin On clusters. Positive cooperative effects, similar to allosteric effects found in several proteins, are found for the successive aldol reactions in aggregates. The corresponding transition structures show in general sofa geometries.
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Affiliation(s)
- Olatz Larrañaga
- Departamento de Química Orgánica I/, Kimika Organikoa I Saila, Facultad de Química/, Kimika Fakultatea Euskal Herriko Unibertsitatea, UPV/EHU and Donostia International Physics Center (DIPC), 1072, 20018 San Sebastián-Donostia (Spain)
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36
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Bae HY, Sim JH, Lee JW, List B, Song CE. Organocatalytic Enantioselective Decarboxylative Aldol Reaction of Malonic Acid Half Thioesters with Aldehydes. Angew Chem Int Ed Engl 2013; 52:12143-7. [DOI: 10.1002/anie.201306297] [Citation(s) in RCA: 95] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2013] [Indexed: 11/07/2022]
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37
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Bae HY, Sim JH, Lee JW, List B, Song CE. Organocatalytic Enantioselective Decarboxylative Aldol Reaction of Malonic Acid Half Thioesters with Aldehydes. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201306297] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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38
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Matsuo J, Murakami M. 40 Jahre Mukaiyama‐Aldolreaktion: eine Erfolgsgeschichte. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201303192] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Jun‐ichi Matsuo
- Division of Pharmaceutical Sciences, Graduate School of Medical Sciences, Kanazawa University, Kanazawa 920‐1192 (Japan)
| | - Masahiro Murakami
- Department of Synthetic Chemistry and Biological Chemistry, Kyoto University, Katsura, Kyoto 615‐8510 (Japan) http://www.sbchem.kyoto‐u.ac.jp/murakami‐lab/
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39
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Matsuo JI, Murakami M. The Mukaiyama Aldol Reaction: 40 Years of Continuous Development. Angew Chem Int Ed Engl 2013; 52:9109-18. [DOI: 10.1002/anie.201303192] [Citation(s) in RCA: 209] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2013] [Indexed: 11/09/2022]
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40
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Zhao LW, Shi HM, An Z, Wang JZ, He J. Validity of Inorganic Nanosheets as an Efficient Planar Substituent To Enhance the Enantioselectivity of Transition-Metal-Catalyzed Asymmetric Synthesis. Chemistry 2013; 19:12350-5. [DOI: 10.1002/chem.201301150] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2013] [Indexed: 11/11/2022]
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41
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Itoh S, Tokunaga T, Sonoike S, Kitamura M, Yamano A, Aoki S. Asymmetric Aldol Reactions between Acetone and Benzaldehydes Catalyzed by Chiral Zn2+Complexes of Aminoacyl 1,4,7,10-Tetraazacyclododecane: Fine-Tuning of the Amino-Acid Side Chains and a Revised Reaction Mechanism. Chem Asian J 2013; 8:2125-35. [DOI: 10.1002/asia.201300308] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2013] [Revised: 04/29/2013] [Indexed: 10/26/2022]
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42
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Babich L, Hartog AF, van Hemert LJC, Rutjes FPJT, Wever R. Synthesis of carbohydrates in a continuous flow reactor by immobilized phosphatase and aldolase. CHEMSUSCHEM 2012; 5:2348-2353. [PMID: 23150241 DOI: 10.1002/cssc.201200468] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2012] [Indexed: 06/01/2023]
Abstract
Herein, we report a new flow process with immobilized enzymes to synthesize complex chiral carbohydrate analogues from achiral inexpensive building blocks in a three-step cascade reaction. The first reactor contained immobilized acid phosphatase, which phosphorylated dihydroxyacetone to dihydroxyacetone phosphate using pyrophosphate as the phosphate donor. The second flow reactor contained fructose-1,6-diphosphate aldolase (RAMA, rabbit muscle aldolase) or rhamnulose-1-phosphate aldolase (RhuA from Thermotoga maritima) and acid phosphatase. The immobilized aldolases coupled the formed dihydroxyacetone phosphate to aldehydes, resulting in phosphorylated carbohydrates. A final reactor containing acid phosphatase that dephosphorylated the phosphorylated product yielded the final product. Different aldehydes were used to synthesize carbohydrates on a gram scale. To demonstrate the feasibility of the flow systems, we synthesized 0.6 g of the D-fagomine precursor. By using immobilized aldolase RhuA we were also able to obtain other stereoisomers of the D-fagomine precursor.
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Affiliation(s)
- Lara Babich
- Van 't Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
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43
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Kochetkov SV, Kucherenko AS, Kryshtal GV, Zhdankina GM, Zlotin SG. Simple Ionic Liquid SupportedC2-Symmetric Bisprolinamides as Recoverable Organocatalysts for the Asymmetric Aldol Reaction in the Presence of Water. European J Org Chem 2012. [DOI: 10.1002/ejoc.201201144] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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44
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Heravi MM, Asadi S. Recent applications of organocatalysts in asymmetric aldol reactions. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/j.tetasy.2012.10.002] [Citation(s) in RCA: 80] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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45
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Ma G, Lin S, Ibrahem I, Kubik G, Liu L, Sun J, Córdova A. Achiral Co-Catalyst Induced Switches in Catalytic Asymmetric Reactions on Racemic Mixtures (RRM): From Stereodivergent RRM to Stereoconvergent Deracemization by Combination of Hydrogen Bond Donating and Chiral Amine Catalysts. Adv Synth Catal 2012. [DOI: 10.1002/adsc.201200357] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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46
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Xu K, Lai G, Zha Z, Pan S, Chen H, Wang Z. A Highlyanti-Selective Asymmetric Henry Reaction Catalyzed by a Chiral Copper Complex: Applications to the Syntheses of (+)-Spisulosine and a Pyrroloisoquinoline Derivative. Chemistry 2012; 18:12357-62. [DOI: 10.1002/chem.201201775] [Citation(s) in RCA: 91] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2012] [Indexed: 12/13/2022]
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47
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Zandvoort E, Geertsema EM, Quax WJ, Poelarends GJ. Enhancement of the Promiscuous Aldolase and Dehydration Activities of 4-Oxalocrotonate Tautomerase by Protein Engineering. Chembiochem 2012; 13:1274-7. [DOI: 10.1002/cbic.201200225] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2012] [Indexed: 11/06/2022]
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48
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Qiu R, Xu X, Peng L, Zhao Y, Li N, Yin S. Strong Lewis Acids of Air-Stable Metallocene Bis(perfluorooctanesulfonate)s as High-Efficiency Catalysts for Carbonyl-Group Transformation Reactions. Chemistry 2012; 18:6172-82. [DOI: 10.1002/chem.201103874] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2011] [Indexed: 11/07/2022]
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49
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Ayats C, Henseler AH, Pericàs MA. A solid-supported organocatalyst for continuous-flow enantioselective aldol reactions. CHEMSUSCHEM 2012; 5:320-5. [PMID: 22442839 DOI: 10.1002/cssc.201100570] [Citation(s) in RCA: 75] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Asymmetric aldol reactions catalyzed by a novel polystyrene-immobilized proline derivative occur in short reaction times with excellent diastereo- and enantioselectivity. The catalyst can be recovered by simple filtration and shows very high reusability. The high activity depicted by the supported catalyst and its chemical and mechanical stability have allowed its application in packed-bed reactors for continuous flow processing. This system can produce enantio- and diastereomerically pure aldol adducts under continuous flow conditions with a residence time of 26 min. Furthermore, the reactor allowed processing of four different aldol products in sequence without any decrease in both catalytic activity and optical purity. The effective catalyst loading could be reduced to 1.6% (six-fold reduction of catalyst loading compared to the corresponding batch process).
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Affiliation(s)
- Carles Ayats
- Institute of Chemical Research of Catalonia (ICIQ), Tarragona, Spain
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Fanton J, Camps F, Castillo JA, Guérard-Hélaine C, Lemaire M, Charmantray F, Hecquet L. Enzymatic and Organocatalyzed Asymmetric Aldolization Reactions for the Synthesis of Thiosugar Scaffolds. European J Org Chem 2011. [DOI: 10.1002/ejoc.201101137] [Citation(s) in RCA: 14] [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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