1
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Serwetnyk M, Crowley VM, Brackett CM, Carter TR, Elahi A, Kommalapati VK, Chadli A, Blagg BSJ. Enniatin A Analogues as Novel Hsp90 Inhibitors that Modulate Triple-Negative Breast Cancer. ACS Med Chem Lett 2023; 14:1785-1790. [PMID: 38116437 PMCID: PMC10726464 DOI: 10.1021/acsmedchemlett.3c00423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 11/13/2023] [Accepted: 11/14/2023] [Indexed: 12/21/2023] Open
Abstract
The 90 kilo-Dalton heat shock protein (Hsp90) is a molecular chaperone that facilitates the maturation of nascent polypeptides into their biologically active conformation. Because many of the >400 known client protein substrates are implicated in the development/progression of cancer, it is hypothesized that Hsp90 inhibition will simultaneously shut down numerous oncogenic pathways. Unfortunately, most of the small molecule Hsp90 inhibitors that have undergone clinical evaluation thus far have failed due to various toxicities. Therefore, the disruption of Hsp90 protein-protein interactions with cochaperones and/or client substrates has been proposed as an alternative way to achieve Hsp90 inhibition without such adverse events. The hexadepsipeptide Enniatin A (EnnA) has recently been reported to be one such inhibitor that also manifests immunogenic activity. Herein, we report preliminary structure-activity relationship (SAR) studies to determine the structural features that confer this unprecedented activity for an Hsp90 inhibitor. Our studies find that EnnA's branching moieties are necessary for its activity, but some structural modifications are tolerated.
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Affiliation(s)
- Michael
A. Serwetnyk
- Department
of Chemistry and Biochemistry, Warren Family Research Center for Drug
Discovery and Development, The University
of Notre Dame, Notre
Dame, Indiana 46556, United States
| | - Vincent M. Crowley
- Department
of Medicinal Chemistry, The University of
Kansas, Lawrence, Kansas 66045, United States
| | - Christopher M. Brackett
- Department
of Chemistry and Biochemistry, Warren Family Research Center for Drug
Discovery and Development, The University
of Notre Dame, Notre
Dame, Indiana 46556, United States
| | - Trever R. Carter
- Department
of Chemistry and Biochemistry, Warren Family Research Center for Drug
Discovery and Development, The University
of Notre Dame, Notre
Dame, Indiana 46556, United States
| | - Asif Elahi
- Georgia
Cancer Center, Medical College of Georgia
at Augusta University, 1410 Laney Walker Boulevard, Augusta, Georgia 30912, United States
| | - Vamsi Krishna Kommalapati
- Georgia
Cancer Center, Medical College of Georgia
at Augusta University, 1410 Laney Walker Boulevard, Augusta, Georgia 30912, United States
| | - Ahmed Chadli
- Georgia
Cancer Center, Medical College of Georgia
at Augusta University, 1410 Laney Walker Boulevard, Augusta, Georgia 30912, United States
| | - Brian S. J. Blagg
- Department
of Chemistry and Biochemistry, Warren Family Research Center for Drug
Discovery and Development, The University
of Notre Dame, Notre
Dame, Indiana 46556, United States
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2
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Šeflová J, Schwarz JA, Smith AN, Svensson B, Blackwell DJ, Phillips TA, Nikolaienko R, Bovo E, Rebbeck RT, Zima AV, Thomas DD, Van Petegem F, Knollmann BC, Johnston JN, Robia SL, Cornea RL. RyR2 Binding of an Antiarrhythmic Cyclic Depsipeptide Mapped Using Confocal Fluorescence Lifetime Detection of FRET. ACS Chem Biol 2023; 18:2290-2299. [PMID: 37769131 DOI: 10.1021/acschembio.3c00376] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/30/2023]
Abstract
Hyperactivity of cardiac sarcoplasmic reticulum (SR) ryanodine receptor (RyR2) Ca2+-release channels contributes to heart failure and arrhythmias. Reducing the RyR2 activity, particularly during cardiac relaxation (diastole), is a desirable therapeutic goal. We previously reported that the unnatural enantiomer (ent) of an insect-RyR activator, verticilide, inhibits porcine and mouse RyR2 at diastolic (nanomolar) Ca2+ and has in vivo efficacy against atrial and ventricular arrhythmia. To determine the ent-verticilide structural mode of action on RyR2 and guide its further development via medicinal chemistry structure-activity relationship studies, here, we used fluorescence lifetime (FLT)-measurements of Förster resonance energy transfer (FRET) in HEK293 cells expressing human RyR2. For these studies, we used an RyR-specific FRET molecular-toolkit and computational methods for trilateration (i.e., using distances to locate a point of interest). Multiexponential analysis of FLT-FRET measurements between four donor-labeled FKBP12.6 variants and acceptor-labeled ent-verticilide yielded distance relationships placing the acceptor probe at two candidate loci within the RyR2 cryo-EM map. One locus is within the Ry12 domain (at the corner periphery of the RyR2 tetrameric complex). The other locus is sandwiched at the interface between helical domain 1 and the SPRY3 domain. These findings document RyR2-target engagement by ent-verticilide, reveal new insight into the mechanism of action of this new class of RyR2-targeting drug candidate, and can serve as input in future computational determinations of the ent-verticilide binding site on RyR2 that will inform structure-activity studies for lead optimization.
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Affiliation(s)
- Jaroslava Šeflová
- Department of Cell and Molecular Physiology, Loyola University Chicago, Chicago, Illinois 60153, United States
| | - Jacob A Schwarz
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Abigail N Smith
- Department of Chemistry & Vanderbilt Institute of Chemical Biology, Vanderbilt University, Nashville, Tennessee 37235, United States
| | - Bengt Svensson
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Daniel J Blackwell
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee 37232, United States
| | - Taylor A Phillips
- Department of Cell and Molecular Physiology, Loyola University Chicago, Chicago, Illinois 60153, United States
| | - Roman Nikolaienko
- Department of Cell and Molecular Physiology, Loyola University Chicago, Chicago, Illinois 60153, United States
| | - Elisa Bovo
- Department of Cell and Molecular Physiology, Loyola University Chicago, Chicago, Illinois 60153, United States
| | - Robyn T Rebbeck
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Aleksey V Zima
- Department of Cell and Molecular Physiology, Loyola University Chicago, Chicago, Illinois 60153, United States
| | - David D Thomas
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Filip Van Petegem
- Department of Biochemistry and Molecular Biology, Life Sciences Centre, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
| | - Björn C Knollmann
- Department of Chemistry & Vanderbilt Institute of Chemical Biology, Vanderbilt University, Nashville, Tennessee 37235, United States
| | - Jeffrey N Johnston
- Department of Chemistry & Vanderbilt Institute of Chemical Biology, Vanderbilt University, Nashville, Tennessee 37235, United States
| | - Seth L Robia
- Department of Cell and Molecular Physiology, Loyola University Chicago, Chicago, Illinois 60153, United States
| | - Răzvan L Cornea
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, Minnesota 55455, United States
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3
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Hosono Y, Uchida S, Shinkai M, Townsend CE, Kelly CN, Naylor MR, Lee HW, Kanamitsu K, Ishii M, Ueki R, Ueda T, Takeuchi K, Sugita M, Akiyama Y, Lokey SR, Morimoto J, Sando S. Amide-to-ester substitution as a stable alternative to N-methylation for increasing membrane permeability in cyclic peptides. Nat Commun 2023; 14:1416. [PMID: 36932083 PMCID: PMC10023679 DOI: 10.1038/s41467-023-36978-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 02/23/2023] [Indexed: 03/19/2023] Open
Abstract
Naturally occurring peptides with high membrane permeability often have ester bonds on their backbones. However, the impact of amide-to-ester substitutions on the membrane permeability of peptides has not been directly evaluated. Here we report the effect of amide-to-ester substitutions on the membrane permeability and conformational ensemble of cyclic peptides related to membrane permeation. Amide-to-ester substitutions are shown to improve the membrane permeability of dipeptides and a model cyclic hexapeptide. NMR-based conformational analysis and enhanced sampling molecular dynamics simulations suggest that the conformational transition of the cyclic hexapeptide upon membrane permeation is differently influenced by an amide-to-ester substitution and an amide N-methylation. The effect of amide-to-ester substitution on membrane permeability of other cyclic hexapeptides, cyclic octapeptides, and a cyclic nonapeptide is also investigated to examine the scope of the substitution. Appropriate utilization of amide-to-ester substitution based on our results will facilitate the development of membrane-permeable peptides.
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Affiliation(s)
- Yuki Hosono
- Department of Chemistry and Biotechnology, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Satoshi Uchida
- Department of Chemistry and Biotechnology, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Moe Shinkai
- Department of Chemistry and Biotechnology, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Chad E Townsend
- Department of Chemistry and Biochemistry, University of California, Santa Cruz, CA, 95064, USA
| | - Colin N Kelly
- Department of Chemistry and Biochemistry, University of California, Santa Cruz, CA, 95064, USA
| | - Matthew R Naylor
- Department of Chemistry and Biochemistry, University of California, Santa Cruz, CA, 95064, USA
| | - Hsiau-Wei Lee
- Department of Chemistry and Biochemistry, University of California, Santa Cruz, CA, 95064, USA
| | - Kayoko Kanamitsu
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Mayumi Ishii
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Ryosuke Ueki
- Department of Chemistry and Biotechnology, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Takumi Ueda
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Koh Takeuchi
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Masatake Sugita
- Department of Computer Science, School of Computing, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo, 152-8550, Japan
- Middle-Molecule IT-based Drug Discovery Laboratory (MIDL), Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo, 152-8550, Japan
| | - Yutaka Akiyama
- Department of Computer Science, School of Computing, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo, 152-8550, Japan.
- Middle-Molecule IT-based Drug Discovery Laboratory (MIDL), Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo, 152-8550, Japan.
| | - Scott R Lokey
- Department of Chemistry and Biochemistry, University of California, Santa Cruz, CA, 95064, USA.
| | - Jumpei Morimoto
- Department of Chemistry and Biotechnology, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan.
| | - Shinsuke Sando
- Department of Chemistry and Biotechnology, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan.
- Department of Bioengineering, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan.
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4
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Sflakidou E, Dalezis P, Trafalis DT, Sarli V. Synthesis and antiproliferative activities of steroidal lactam conjugates bearing a new nitrogen mustard. Eur J Med Chem 2023; 249:115133. [PMID: 36696765 DOI: 10.1016/j.ejmech.2023.115133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 01/16/2023] [Accepted: 01/16/2023] [Indexed: 01/22/2023]
Abstract
Alkylating agents are potent anticancer compounds that exert their anticancer properties through the inhibition of cell replication and transcription leading to cell death. Despite the numerous benefits, these agents also have serious drawbacks such as their high toxicity and low specificity towards cancer cells. As previously reported by our group, conjugation of alkylating agents with azasteroids can reduce their systemic toxicity and enhance their anticancer activity. In this work, novel steroidal alkylating agents bearing POPAM-OH were synthesized and their anticancer efficacy was evaluated in vitro and in vivo. All the novel hybrids demonstrated high antiproliferative effects against 5 different cancer cell lines in the low micromolar range. Treatment of SCID mice bearing SKOV-3 or PC-3 tumor xenografts with the most potent hybrid 19 led to significant reduction of tumor size (tumor inhibition TI = 95% in SKOV3 models and TI = 85.2% in PC3 models). Importantly, the acute toxicity of hybrid 19 (LD10 = 36 μΜ, LD50 = 62 μΜ) in CB17 SCID mice exhibited three-fold decrease compared to the acute toxicity of previously reported hybrids of POPAM-NH2. This is an important finding since systemic cytotoxicity is a critical limitation of alkylating agents. Collectively, the steroidal conjugates of POPAM-OH displayed significant anticancer efficacy and reduced toxicity in vitro and in vivo rendering them as good candidates for cancer therapy.
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Affiliation(s)
- Eleni Sflakidou
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, 54124, Thessaloniki, Greece
| | - Panayiotis Dalezis
- Laboratory of Pharmacology, Faculty of Medicine, National and Kapodistrian University of Athens, Greece
| | - Dimitrios T Trafalis
- Laboratory of Pharmacology, Faculty of Medicine, National and Kapodistrian University of Athens, Greece.
| | - Vasiliki Sarli
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, 54124, Thessaloniki, Greece.
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5
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Waiba S, Maji K, Maiti M, Maji B. Sustainable Synthesis of α-Hydroxycarboxylic Acids by Manganese Catalyzed Acceptorless Dehydrogenative Coupling of Ethylene Glycol and Primary Alcohols. Angew Chem Int Ed Engl 2023; 62:e202218329. [PMID: 36629750 DOI: 10.1002/anie.202218329] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 01/10/2023] [Accepted: 01/11/2023] [Indexed: 01/12/2023]
Abstract
Herein, we report a straightforward synthesis of valuable α-hydroxycarboxylic acid molecules via an acceptorless dehydrogenative coupling of ethylene glycol and primary alcohols. A bench-stable manganese complex catalyzed the reaction, which is scalable, with the product being isolated with high yields and selectivities under mild conditions. The protocol is environmentally benign, producing water and hydrogen gas as the only byproducts. Methanol can also be used as a C1 source for producing the platform molecule lactic acid, with a high turnover of >104 . The methodology was also used to functionalize alcohols derived from natural products and fatty acids. Furthermore, it was applied for synthesizing α-amino acid, α-thiocarboxylic acid, and several drugs and bioactive molecules, including endogenous metabolites, Danshensu, Enalapril, Lisinopril, and Rosmarinic acid. Preliminary mechanistic studies were performed to shed light on the mechanism involved in the reaction.
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Affiliation(s)
- Satyadeep Waiba
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, 741246, India.,Present address: Department of Chemistry, Jadavpur University, Kolkata, 700032, India
| | - Kakoli Maji
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, 741246, India
| | - Mamata Maiti
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, 741246, India
| | - Biplab Maji
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, 741246, India
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6
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Brol A, Olszewski TK. Deamination of 1-Aminoalkylphosphonic Acids: Reaction Intermediates and Selectivity. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27248849. [PMID: 36557979 PMCID: PMC9783495 DOI: 10.3390/molecules27248849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 12/03/2022] [Accepted: 12/05/2022] [Indexed: 12/15/2022]
Abstract
Deamination of 1-aminoalkylphosphonic acids in the reaction with HNO2 (generated "in situ" from NaNO2) yields a mixture of substitution products (1-hydroxyalkylphosphonic acids), elimination products (vinylphosphonic acid derivatives), rearrangement and substitution products (2-hydroxylkylphosphonic acids) as well as H3PO4. The variety of formed reaction products suggests that 1-phosphonoalkylium ions may be intermediates in such deamination reactions.
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7
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Hafeez J, Bilal M, Rasool N, Hafeez U, Adnan Ali Shah S, Imran S, Amiruddin Zakaria Z. Synthesis of Ruthenium complexes and their catalytic applications: A review. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.104165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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8
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Gao Y, Zhang B, Levy L, Zhang HJ, Chi H, Baran PS. Ni-Catalyzed Enantioselective Dialkyl Carbinol Synthesis via Decarboxylative Cross-Coupling: Development, Scope, and Applications. J Am Chem Soc 2022; 144:10992-11002. [PMID: 35671374 PMCID: PMC9800071 DOI: 10.1021/jacs.2c04358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The first enantioselective decarboxylative Negishi-type alkylations of α-oxy carboxylic acids are reported via the intermediacy of redox-active esters (RAEs). This transformation enables a radical-based retrosynthesis of seemingly trivial enantiopure dialkyl carbinols. This article includes a discussion of the history of such couplings, the retrosynthetic ramifications of such a coupling, the development of general conditions, and an extensive series of applications that vividly demonstrate how it can simplify synthesis.
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Affiliation(s)
| | | | | | | | | | - Phil S. Baran
- Corresponding Author: Phil S. Baran − Department of Chemistry, The Scripps Research Institute, La Jolla, California 92037, United States;
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9
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Vishnevetskii DV, Mekhtiev AR, Perevozova TV, Ivanova AI, Averkin DV, Khizhnyak SD, Pakhomov PM. L-Cysteine as a reducing/capping/gel-forming agent for the preparation of silver nanoparticle composites with anticancer properties. SOFT MATTER 2022; 18:3031-3040. [PMID: 35355035 DOI: 10.1039/d2sm00042c] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The present article reports the in situ preparation of silver nanoparticles (AgNPs) homogeneously distributed in the gel matrix formed using only L-cysteine (CYS) as a bio-reducing agent. The physicochemical methods of analysis confirmed the formation of a gel-network from aggregates consisting of spherical/elliptical cystine-stabilized AgNPs (core) and cysteine/Ag+ complexes (shell) regardless of the used silver salt - AgNO3, AgNO2 or AgOOCCH3. CYS/AgNO3 and CYS/AgOOCCH3 aqueous solution systems needed the addition of electrolytes (Cl- and SO42-) for the gelation process, but the gel-formation in CYS/AgNO2 occurred in one stage without any additional components. The AgNP sizes were about 1-5 nm in diameter for CYS/AgNO3, 5-10 nm for CYS/AgOOCCH3 and 20-40 nm for CYS/AgNO2 systems. The zeta-potential values varied from +60 mV for CYS/AgNO3 to +25 mV for the CYS/AgNO2 system. The MTT-test showed that the obtained composites suppressed the MCF-7 breast cancer cells and the CYS/AgNO3 system possessed the highest activity. Flow cytofluorimetry confirmed that the cell death occurred by apoptosis and this effect was the strongest for the CYS/AgNO3 system. All systems were non-toxic to fibroblast cells. The novel simplest "green chemistry" approach, combining the knowledge of organic, inorganic, physical and supramolecular chemistry could open possibilities for the creation of the newest soft gel materials used in various fields of our life.
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Affiliation(s)
- Dmitry V Vishnevetskii
- Department of Physical Chemistry and Applied Physics, Tver State University (TSU), Tver, 170100, Russia.
- Institute of Biomedical Chemistry (IBMC), Moscow, 119121, Russia.
| | - Arif R Mekhtiev
- Institute of Biomedical Chemistry (IBMC), Moscow, 119121, Russia.
| | - Tatyana V Perevozova
- Department of Physical Chemistry and Applied Physics, Tver State University (TSU), Tver, 170100, Russia.
| | - Alexandra I Ivanova
- Department of Physical Chemistry and Applied Physics, Tver State University (TSU), Tver, 170100, Russia.
| | - Dmitry V Averkin
- Department of Physical Chemistry and Applied Physics, Tver State University (TSU), Tver, 170100, Russia.
- Russian Metrological Institute of Technical Physics and Radio Engineering (FSUE VNIIFTRI), Moscow, 141570, Russia
| | - Svetlana D Khizhnyak
- Department of Physical Chemistry and Applied Physics, Tver State University (TSU), Tver, 170100, Russia.
| | - Pavel M Pakhomov
- Department of Physical Chemistry and Applied Physics, Tver State University (TSU), Tver, 170100, Russia.
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10
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Wu L, Yang Y, Cheng J, Wang X, Huang Q, Jin F. Hydrothermal water enabling one-pot transformation of amines to alcohols via supported Pd catalysts. REACT CHEM ENG 2022. [DOI: 10.1039/d1re00578b] [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
The simple, direct conversion of amines to alcohols is quite rare and remains challenging. Here, with the unique catalytic role of hydrothermal water, two green and one-pot strategies were proposed...
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11
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Leiske MN, Kempe K. A Guideline for the Synthesis of Amino-Acid-Functionalized Monomers and Their Polymerizations. Macromol Rapid Commun 2021; 43:e2100615. [PMID: 34761461 DOI: 10.1002/marc.202100615] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 10/31/2021] [Indexed: 12/16/2022]
Abstract
Amino acids have emerged as a sustainable source for the design of functional polymers. Besides their wide availability, especially their high degree of biocompatibility makes them appealing for a broad range of applications in the biomedical research field. In addition to these favorable characteristics, the versatility of reactive functional groups in amino acids (i.e., carboxylic acids, amines, thiols, and hydroxyl groups) makes them suitable starting materials for various polymerization approaches, which include step- and chain-growth reactions. This review aims to provide an overview of strategies to incorporate amino acids into polymers. To this end, it focuses on the preparation of polymerizable monomers from amino acids, which yield main chain or side chain-functionalized polymers. Furthermore, postpolymerization modification approaches for polymer side chain functionalization are discussed. Amino acids are presented as a versatile platform for the development of polymers with tailored properties.
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Affiliation(s)
- Meike N Leiske
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC, 3052, Australia.,Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan, Ghent, 9000, Belgium
| | - Kristian Kempe
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC, 3052, Australia.,Materials Science and Engineering, Monash University, Clayton, VIC, 3800, Australia
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12
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Chan HC, Bueno B, Le Roch A, Gagnon A. Copper-Promoted N-Arylation of the Imidazole Side Chain of Protected Histidine by Using Triarylbismuth Reagents. Chemistry 2021; 27:13330-13336. [PMID: 34357653 DOI: 10.1002/chem.202102186] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Indexed: 11/07/2022]
Abstract
The N-arylation of the side chain of histidine by using triarylbismuthines is reported. The reaction is promoted by copper(II) acetate in dichloromethane at 40 °C under oxygen in the presence of diisopropylethylamine and 1,10-phenanthroline and allows the transfer of aryl groups with substituents at any position of the aromatic ring. The reaction shows excellent functional group tolerance and is applicable to dipeptides where the histidine is located at the N terminus. A histidine-guided backbone N-H arylation was observed in dipeptides where the histidine occupies the C terminus.
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Affiliation(s)
- Hwai-Chien Chan
- Université du Québec à Montréal, Département de chimie, C.P. 8888, Succursale Centre-Ville, Montréal, Québec, H3C 3P8, Canada
| | - Bianca Bueno
- Université du Québec à Montréal, Département de chimie, C.P. 8888, Succursale Centre-Ville, Montréal, Québec, H3C 3P8, Canada
| | - Adrien Le Roch
- Université du Québec à Montréal, Département de chimie, C.P. 8888, Succursale Centre-Ville, Montréal, Québec, H3C 3P8, Canada
| | - Alexandre Gagnon
- Université du Québec à Montréal, Département de chimie, C.P. 8888, Succursale Centre-Ville, Montréal, Québec, H3C 3P8, Canada
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13
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Pan C, Kuranaga T, Cao X, Suzuki T, Dohmae N, Shinzato N, Onaka H, Kakeya H. Amycolapeptins A and B, Cyclic Nonadepsipeptides Produced by Combined-culture of Amycolatopsis sp. and Tsukamurella pulmonis. J Org Chem 2021; 86:1843-1849. [PMID: 33410699 DOI: 10.1021/acs.joc.0c02660] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Two nonapeptide natural products, amycolapeptins A (1) and B (2) with a 22-membered cyclic depsipeptide skeleton, β-hydroxytyrosine, and a highly modified side chain, which were not produced in a monoculture of the rare actinomycete Amycolatopsis sp. 26-4, were discovered in broth of its combined-culture with Tsukamurella pulmonis TP-B0596. The planar structures were elucidated by spectroscopic analyses (extensive 2D-NMR and MALDI-TOF MS/MS). The absolute configurations of component amino acids were unambiguously determined by the highly sensitive advanced Marfey's method we recently developed. Additionally, the structures of unstable/unusual moieties were corroborated by chemical synthesis and CD analysis.
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Affiliation(s)
- Chengqian Pan
- Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto 606-8501, Japan
| | - Takefumi Kuranaga
- Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto 606-8501, Japan
| | - Xun Cao
- Ocean College, Zhejiang University, Hangzhou 310058, China
| | - Takehiro Suzuki
- Biomolecular Characterization Unit, Technology Platform Division, RIKEN Center for Sustainable Resource Science, Bioscience Building, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Naoshi Dohmae
- Biomolecular Characterization Unit, Technology Platform Division, RIKEN Center for Sustainable Resource Science, Bioscience Building, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Naoya Shinzato
- Tropical Biosphere Research Center, University of the Ryukyus, Okinawa 903-0213, Japan
| | - Hiroyasu Onaka
- Graduate School of Agricultural and Life Sciences & Collaborative Research Institute for Innovative Microbiology, The University of Tokyo, Bunkyo, Tokyo 113-8657, Japan
| | - Hideaki Kakeya
- Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto 606-8501, Japan
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14
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Bartling CRO, Jensen TMT, Henry SM, Colliander AL, Sereikaite V, Wenzler M, Jain P, Maric HM, Harpsøe K, Pedersen SW, Clemmensen LS, Haugaard-Kedström LM, Gloriam DE, Ho A, Strømgaard K. Targeting the APP-Mint2 Protein-Protein Interaction with a Peptide-Based Inhibitor Reduces Amyloid-β Formation. J Am Chem Soc 2021; 143:891-901. [PMID: 33398998 DOI: 10.1021/jacs.0c10696] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
There is an urgent need for novel therapeutic approaches to treat Alzheimer's disease (AD) with the ability to both alleviate the clinical symptoms and halt the progression of the disease. AD is characterized by the accumulation of amyloid-β (Aβ) peptides which are generated through the sequential proteolytic cleavage of the amyloid precursor protein (APP). Previous studies reported that Mint2, a neuronal adaptor protein binding both APP and the γ-secretase complex, affects APP processing and formation of pathogenic Aβ. However, there have been contradicting results concerning whether Mint2 has a facilitative or suppressive effect on Aβ generation. Herein, we deciphered the APP-Mint2 protein-protein interaction (PPI) via extensive probing of both backbone H-bond and side-chain interactions. We also developed a proteolytically stable, high-affinity peptide targeting the APP-Mint2 interaction. We found that both an APP binding-deficient Mint2 variant and a cell-permeable PPI inhibitor significantly reduced Aβ42 levels in a neuronal in vitro model of AD. Together, these findings demonstrate a facilitative role of Mint2 in Aβ formation, and the combination of genetic and pharmacological approaches suggests that targeting Mint2 is a promising therapeutic strategy to reduce pathogenic Aβ levels.
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Affiliation(s)
- Christian R O Bartling
- Department of Drug Design and Pharmacology, University of Copenhagen, Jagtvej 162, DK-2100 Copenhagen, Denmark.,Department of Biology, Boston University, 24 Cummington Mall, Boston, Massachusetts 02215, United States
| | - Thomas M T Jensen
- Department of Drug Design and Pharmacology, University of Copenhagen, Jagtvej 162, DK-2100 Copenhagen, Denmark
| | - Shawna M Henry
- Department of Biology, Boston University, 24 Cummington Mall, Boston, Massachusetts 02215, United States
| | - Anna L Colliander
- Department of Drug Design and Pharmacology, University of Copenhagen, Jagtvej 162, DK-2100 Copenhagen, Denmark
| | - Vita Sereikaite
- Department of Drug Design and Pharmacology, University of Copenhagen, Jagtvej 162, DK-2100 Copenhagen, Denmark
| | - Marcella Wenzler
- Department of Drug Design and Pharmacology, University of Copenhagen, Jagtvej 162, DK-2100 Copenhagen, Denmark
| | - Palash Jain
- Department of Drug Design and Pharmacology, University of Copenhagen, Jagtvej 162, DK-2100 Copenhagen, Denmark
| | - Hans M Maric
- Department of Drug Design and Pharmacology, University of Copenhagen, Jagtvej 162, DK-2100 Copenhagen, Denmark
| | - Kasper Harpsøe
- Department of Drug Design and Pharmacology, University of Copenhagen, Jagtvej 162, DK-2100 Copenhagen, Denmark
| | - Søren W Pedersen
- Department of Drug Design and Pharmacology, University of Copenhagen, Jagtvej 162, DK-2100 Copenhagen, Denmark
| | - Louise S Clemmensen
- Department of Drug Design and Pharmacology, University of Copenhagen, Jagtvej 162, DK-2100 Copenhagen, Denmark
| | - Linda M Haugaard-Kedström
- Department of Drug Design and Pharmacology, University of Copenhagen, Jagtvej 162, DK-2100 Copenhagen, Denmark
| | - David E Gloriam
- Department of Drug Design and Pharmacology, University of Copenhagen, Jagtvej 162, DK-2100 Copenhagen, Denmark
| | - Angela Ho
- Department of Biology, Boston University, 24 Cummington Mall, Boston, Massachusetts 02215, United States
| | - Kristian Strømgaard
- Department of Drug Design and Pharmacology, University of Copenhagen, Jagtvej 162, DK-2100 Copenhagen, Denmark
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15
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Çetin D, Arıcan MO, Kenar H, Mert S, Mert O. Poly(asymmetrical glycolide)s: The Mechanisms and Thermosensitive Properties. Macromolecules 2020. [DOI: 10.1021/acs.macromol.0c01893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Duygu Çetin
- Department of Chemistry, Kocaeli University, 41001 Kocaeli, Turkey
| | - Mehmet Onur Arıcan
- Department of Polymer Science and Technology, Kocaeli University, 41001 Kocaeli, Turkey
| | - Halime Kenar
- Department of Polymer Science and Technology, Kocaeli University, 41001 Kocaeli, Turkey
- Experimental and Clinical Research Center, Kocaeli University, 41001 Kocaeli, Turkey
| | - Serap Mert
- Department of Polymer Science and Technology, Kocaeli University, 41001 Kocaeli, Turkey
- Center for Stem Cell and Gene Therapies Research and Practice, Kocaeli University, Kocaeli 41001, Turkey
- Department of Chemistry & Chemical Processing Tech., Kocaeli University, Kocaeli 41140, Turkey
| | - Olcay Mert
- Department of Chemistry, Kocaeli University, 41001 Kocaeli, Turkey
- Department of Polymer Science and Technology, Kocaeli University, 41001 Kocaeli, Turkey
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16
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Vishnevetskii DV, Mekhtiev AR, Perevozova TV, Averkin DV, Ivanova AI, Khizhnyak SD, Pakhomov PM. L-Cysteine/AgNO 2 low molecular weight gelators: self-assembly and suppression of MCF-7 breast cancer cells. SOFT MATTER 2020; 16:9669-9673. [PMID: 33084726 DOI: 10.1039/d0sm01431a] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
We report a new supramolecular hydrogel based on simple amino acids and silver salt compounds with low molecular weights. The in situ formation of silver nanoparticles during the self-assembly process endows the hydrogel with high cytotoxicity towards adenocarcinoma breast cells but no toxic effects towards embryonic fibroblasts.
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Affiliation(s)
- Dmitry V Vishnevetskii
- Department of Physical Chemistry and Applied Physics, Tver State University, Tver, 170100, Russia.
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17
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Radulović N, Stevanović M, Nešić M, Stojanović N, Ranđelović P, Ranđelović V. Constituents of Bupleurum praealtum and Bupleurum veronense with Potential Immunomodulatory Activity. JOURNAL OF NATURAL PRODUCTS 2020; 83:2902-2914. [PMID: 33030341 DOI: 10.1021/acs.jnatprod.0c00437] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In this investigation, chromatographic separations of the diethyl ether extracts of two European annual Bupleurum taxa, B. praealtum and B. veronense, yielded nine new natural products, namely, a series of esters of stereoisomeric tetradeca-5,7,9,11-tetraen-1-ols (1-4 and 8), a tetra-unsaturated γ-tetradecalactone (5), a dibenzylbutyrolactone lignan (7-oxoarcitin, 6), a falcarinol-related 17-membered macrolide (7) possessing a conjugated diyne-system, and an acylphloroglucinol derivative (9). All these new compounds were fully characterized by NMR, IR, UV, MS, and optical rotation measurement, including 1H NMR full spin spectral simulation, whereas the absolute configurations of 1, 5, and 9 were determined via chemical correlations and NMR analysis of Mosher esters. The in vitro potential immunomodulatory activities of 1, 4, 5, and (+)-arcitin were assessed by determining their effects on the functional properties of isolated rat splenocytes and peritoneal macrophages. The results obtained support the known immunomodulatory ethnomedicinal usage of Bupleurum species.
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Affiliation(s)
- Niko Radulović
- Department of Chemistry, Faculty of Sciences and Mathematics, University of Niš, Višegradska 33, 18000 Niš, Serbia
| | - Milica Stevanović
- Department of Chemistry, Faculty of Sciences and Mathematics, University of Niš, Višegradska 33, 18000 Niš, Serbia
| | - Milan Nešić
- Department of Chemistry, Faculty of Sciences and Mathematics, University of Niš, Višegradska 33, 18000 Niš, Serbia
| | - Nikola Stojanović
- Department of Physiology, Faculty of Medicine, University of Niš, 18000 Niš, Serbia
| | - Pavle Ranđelović
- Department of Physiology, Faculty of Medicine, University of Niš, 18000 Niš, Serbia
| | - Vladimir Ranđelović
- Department of Biology and Ecology, Faculty of Sciences and Mathematics, University of Niš, 18000 Niš, Serbia
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18
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Characterization and Catalytic-Site-Analysis of an Aldo-Keto Reductase with Excellent Solvent Tolerance. Catalysts 2020. [DOI: 10.3390/catal10101121] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Aldo-keto reductases (AKRs) mediated stereoselective reduction of prochiral carbonyl compounds is an efficient way of preparing single enantiomers of chiral alcohols due to their high chemo-, enantio-, and regio-selectivity. To date, the application of AKRs in the asymmetric synthesis of chiral alcohols has been limited, due to the challenges of cloning and purifying. In this work, the aldo-keto reductase (AKR3-2-9) from Bacillus sp. was obtained, purified and proved to be NADPH-dependent. It exhibits good bioactivity and stability at 37 °C, pH 6.0. AKR3-2-9 is catalytically active on 11 pairs of substrates such as 3-methylcyclohexanone and methyl pyruvate, among which it showed the highest catalytic activity for acetylacetone. In addition, AKR3-2-9 was able to be resistant to five common organic solvents such as methanol and ethanol, it retained high catalytic activity even in a reaction system containing 10% v/v organic solvent for 6 h, which indicates its broad substrate spectrum and exceptional organic solvent tolerance. Furthermore, its three-dimensional structure was constructed and catalytic-site-analysis of the enzyme was conducted. Notably, it was capable of catalyzing the reaction of the key intermediates of duloxetine. The extensive substrate spectrum and predominant organic solvents resistance makes AK3-2-9 a promising enzyme which can be potentially applied in medicine synthesis.
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19
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Reynard G, Mayrand H, Lebel H. Etherification of phenols by amines via transient diazonium intermediates. CAN J CHEM 2020. [DOI: 10.1139/cjc-2020-0028] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
In this paper, the synthesis of alkyl aryl ethers from electron poor phenols and amines, using 1,3-propanedinitrite, is described. Due to the mild conditions, functionalized primary, secondary, and tertiary alkyl groups were successfully introduced, denoting a highly tolerant process that allows for unprotected alcohols and acetals. The reaction is thought to proceed through the formation of a diazonium intermediate that undergoes subsequent SN2 or SN1 reactions.
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Affiliation(s)
- Guillaume Reynard
- Département de chimie and Centre in Green Chemistry and Catalysis (CGCC), Université de Montréal, Montréal, QC H3C 3J7, Canada
- Département de chimie and Centre in Green Chemistry and Catalysis (CGCC), Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - Hugo Mayrand
- Département de chimie and Centre in Green Chemistry and Catalysis (CGCC), Université de Montréal, Montréal, QC H3C 3J7, Canada
- Département de chimie and Centre in Green Chemistry and Catalysis (CGCC), Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - Hélène Lebel
- Département de chimie and Centre in Green Chemistry and Catalysis (CGCC), Université de Montréal, Montréal, QC H3C 3J7, Canada
- Département de chimie and Centre in Green Chemistry and Catalysis (CGCC), Université de Montréal, Montréal, QC H3C 3J7, Canada
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20
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Kuhn B, Barber DM, Dietrich H, Döller U, Hoffmann MG, Schmutzler D, Schnatterer S, Maier ME, Kocakaya T, Morkunas M. Total Synthesis of the Natural Herbicide MBH‐001 and Analogues. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000294] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Birgit Kuhn
- Bayer AG Crop Science Division Research & Development (R&D), SMol Industriepark Höchst 65926 Frankfurt am Main Germany
| | - David M. Barber
- Bayer AG Crop Science Division Research & Development (R&D), SMol Industriepark Höchst 65926 Frankfurt am Main Germany
| | - Hansjörg Dietrich
- Bayer AG Crop Science Division Research & Development (R&D), SMol Industriepark Höchst 65926 Frankfurt am Main Germany
| | - Uwe Döller
- Bayer AG Crop Science Division Research & Development (R&D), SMol Industriepark Höchst 65926 Frankfurt am Main Germany
| | - Michael G. Hoffmann
- Bayer AG Crop Science Division Research & Development (R&D), SMol Industriepark Höchst 65926 Frankfurt am Main Germany
| | - Dirk Schmutzler
- Bayer AG Crop Science Division Research & Development (R&D), SMol Industriepark Höchst 65926 Frankfurt am Main Germany
| | - Stefan Schnatterer
- Bayer AG Crop Science Division Research & Development (R&D), SMol Industriepark Höchst 65926 Frankfurt am Main Germany
| | - Martin E. Maier
- Institut für Organische Chemie Crop Science Division Eberhard‐Karls‐Universität Tübingen Auf der Morgenstelle 18 72076 Tübingen Germany
| | - Tamer Kocakaya
- Institut für Organische Chemie Crop Science Division Eberhard‐Karls‐Universität Tübingen Auf der Morgenstelle 18 72076 Tübingen Germany
| | - Marius Morkunas
- Institut für Organische Chemie Crop Science Division Eberhard‐Karls‐Universität Tübingen Auf der Morgenstelle 18 72076 Tübingen Germany
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21
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Nifant'ev IE, Shlyakhtin AV, Bagrov VV, Tavtorkin AN, Komarov PD, Churakov AV, Ivchenko PV. Substituted glycolides from natural sources: preparation, alcoholysis and polymerization. Polym Chem 2020. [DOI: 10.1039/d0py01297a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Herein we present a comparative study of substituted glycolides MeGL, iPrGL, iBuGL, BnGL, PhGL and MePhGL, synthesized from natural sources and polymers therefrom.
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Affiliation(s)
- Ilya E. Nifant'ev
- M.V. Lomonosov Moscow State University
- Department of Chemistry
- Moscow
- Russian Federation
- A.V. Topchiev Institute of Petrochemical Synthesis
| | - Andrey V. Shlyakhtin
- M.V. Lomonosov Moscow State University
- Department of Chemistry
- Moscow
- Russian Federation
| | - Vladimir V. Bagrov
- M.V. Lomonosov Moscow State University
- Department of Chemistry
- Moscow
- Russian Federation
| | - Alexander N. Tavtorkin
- M.V. Lomonosov Moscow State University
- Department of Chemistry
- Moscow
- Russian Federation
- A.V. Topchiev Institute of Petrochemical Synthesis
| | - Pavel D. Komarov
- A.V. Topchiev Institute of Petrochemical Synthesis
- Russian Academy of Sciences
- Moscow
- Russian Federation
| | - Andrei V. Churakov
- N.S. Kurnakov Institute of General and Inorganic Chemistry
- Russian Academy of Sciences
- Moscow
- Russian Federation
| | - Pavel V. Ivchenko
- M.V. Lomonosov Moscow State University
- Department of Chemistry
- Moscow
- Russian Federation
- A.V. Topchiev Institute of Petrochemical Synthesis
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22
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Abstract
![]()
We report the preparation of enantiomerically
enriched β-thio-α-hydroxy
and α-chloro carboxylic acid and ester building blocks by diazotization
of S-sulfonyl-cysteines. The thiosulfonate protecting
group demonstrated resistance to oxidation and attenuation of sulfur’s
nucleophilicity by the anomeric effect. The key transformation was
optimized by a 22 factorial design of experiment, highlighting
the unique reactivity of cysteine derivatives in comparison with aliphatic
amino acids.
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Affiliation(s)
- Sarah Jane Mear
- Department of Chemistry , Massachusetts Institute of Technology , 77 Massachusetts Avenue , Cambridge , Massachusetts 02139 , United States
| | - Timothy F Jamison
- Department of Chemistry , Massachusetts Institute of Technology , 77 Massachusetts Avenue , Cambridge , Massachusetts 02139 , United States
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23
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He W, Tao Y, Wang X. Functional Polyamides: A Sustainable Access via Lysine Cyclization and Organocatalytic Ring-Opening Polymerization. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b01790] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Wenjing He
- Key Laboratory of Polymer Ecomaterials and, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Renmin Street 5625, Changchun 130022, P. R. China
- University of
Science and Technology of China, Hefei 230026, P. R. China
| | - Youhua Tao
- Key Laboratory of Polymer Ecomaterials and, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Renmin Street 5625, Changchun 130022, P. R. China
- University of
Science and Technology of China, Hefei 230026, P. R. China
| | - Xianhong Wang
- Key Laboratory of Polymer Ecomaterials and, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Renmin Street 5625, Changchun 130022, P. R. China
- University of
Science and Technology of China, Hefei 230026, P. R. China
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24
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Sereikaitė V, Jensen TMT, Bartling CRO, Jemth P, Pless SA, Strømgaard K. Probing Backbone Hydrogen Bonds in Proteins by Amide-to-Ester Mutations. Chembiochem 2018; 19:2136-2145. [PMID: 30073762 DOI: 10.1002/cbic.201800350] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Indexed: 01/09/2023]
Abstract
All proteins contain characteristic backbones formed of consecutive amide bonds, which can engage in hydrogen bonds. However, the importance of these is not easily addressed by conventional technologies that only allow for side-chain substitutions. By contrast, technologies such as nonsense suppression mutagenesis and protein ligation allow for manipulation of the protein backbone. In particular, replacing the backbone amide groups with ester groups, that is, amide-to-ester mutations, is a powerful tool to examine backbone-mediated hydrogen bonds. In this minireview, we showcase examples of how amide-to-ester mutations can be used to uncover pivotal roles of backbone-mediated hydrogen bonds in protein recognition, folding, function, and structure.
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Affiliation(s)
- Vita Sereikaitė
- Center for Biopharmaceuticals, Department of Drug Design and Pharmacology, University of Copenhagen, Universitetsparken 2, 2200, Copenhagen, Denmark
| | - Thomas M T Jensen
- Center for Biopharmaceuticals, Department of Drug Design and Pharmacology, University of Copenhagen, Universitetsparken 2, 2200, Copenhagen, Denmark
| | - Christian R O Bartling
- Center for Biopharmaceuticals, Department of Drug Design and Pharmacology, University of Copenhagen, Universitetsparken 2, 2200, Copenhagen, Denmark
| | - Per Jemth
- Department of Medical Biochemistry and Microbiology, Uppsala University, BMC, Box 582, 75123, Uppsala, Sweden
| | - Stephan A Pless
- Center for Biopharmaceuticals, Department of Drug Design and Pharmacology, University of Copenhagen, Universitetsparken 2, 2200, Copenhagen, Denmark
| | - Kristian Strømgaard
- Center for Biopharmaceuticals, Department of Drug Design and Pharmacology, University of Copenhagen, Universitetsparken 2, 2200, Copenhagen, Denmark
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25
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Zhang S, Gilbert ER, Noonan KJT, Saremi B, Wong EA. Gene expression and activity of methionine converting enzymes in broiler chickens fed methionine isomers or precursors. Poult Sci 2018. [PMID: 29514286 DOI: 10.3382/ps/pey037] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Common dietary supplemental methionine (Met) sources include DL-methionine (DL-Met) and the Met precursor DL-2-hydroxy-4-(methylthio) butanoic acid (DL-HMTBA). For bio-utilization, D-Met and DL-HMTBA are converted into L-Met through oxidation and transamination. The objective of this study was to determine the effect of different dietary supplemental Met sources on gene expression and enzyme activity of Met oxidases in male broiler chickens. Liver, muscle, duodenum, jejunum, and ileum were collected at days 10 (d 10), 21 (d 21), and 26 (d 26) post-hatch from male broiler chickens that were fed a basal diet deficient in sulfur amino acids (SAA) (control), or the control diet supplemented with DL-Met, L-Met, or DL-HMTBA to meet SAA requirements. The mRNA abundance of D-Met oxidase, L-HMTBA oxidase, and D-HMTBA oxidase was measured by real-time PCR, and oxidase activities were measured using colorimetric assays (n = 5). Liver expressed more D- and L-HMTBA oxidase mRNA, while breast muscle and liver expressed more D-Met oxidase mRNA than other tissues. In the liver, DL-HMTBA and L-Met supplementation were associated with greater mRNA abundance of L-HMTBA oxidase compared to the control diet-fed group at d 10 but not d 21 or d 26. DL-HMTBA supplementation, however, was not associated with changes in the mRNA abundance of D-HMTBA oxidase. The Met-deficient diet at d 26 was associated with greater hepatic abundance of DAO mRNA, which is responsible for oxidation of amino acids. Oxidase activities were similar among the Met deficient and Met-supplemented groups. In conclusion, dietary Met supplementation influenced the transcriptional regulation and activity of Met oxidases in a tissue and age-specific manner. Met oxidases may thus act as a determining factor in the bioefficacy of different dietary supplemental Met sources.
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Affiliation(s)
- Shuai Zhang
- Department of Animal and Poultry Sciences, Virginia Tech, Blacksburg, VA 24061
| | - Elizabeth R Gilbert
- Department of Animal and Poultry Sciences, Virginia Tech, Blacksburg, VA 24061
| | - Kevin J T Noonan
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, PA 15213
| | | | - Eric A Wong
- Department of Animal and Poultry Sciences, Virginia Tech, Blacksburg, VA 24061
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26
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Li JF, Li XQ, Liu Y, Yuan FJ, Zhang T, Wu MC, Zhang JR. Directed modification of l - Lc LDH1, an l -lactate dehydrogenase from Lactobacillus casei , to improve its specific activity and catalytic efficiency towards phenylpyruvic acid. J Biotechnol 2018; 281:193-198. [DOI: 10.1016/j.jbiotec.2018.05.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Revised: 05/07/2018] [Accepted: 05/18/2018] [Indexed: 02/06/2023]
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27
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Shin I, Ambler BR, Wherritt D, Griffith WP, Maldonado AC, Altman RA, Liu A. Stepwise O-Atom Transfer in Heme-Based Tryptophan Dioxygenase: Role of Substrate Ammonium in Epoxide Ring Opening. J Am Chem Soc 2018; 140:4372-4379. [PMID: 29506384 PMCID: PMC5874177 DOI: 10.1021/jacs.8b00262] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Heme-based tryptophan dioxygenases are established immunosuppressive metalloproteins with significant biomedical interest. Here, we synthesized two mechanistic probes to specifically test if the α-amino group of the substrate directly participates in a critical step of the O atom transfer during catalysis in human tryptophan 2,3-dioxygenase (TDO). Substitution of the nitrogen atom of the substrate to a carbon (probe 1) or oxygen (probe 2) slowed the catalytic step following the first O atom transfer such that transferring the second O atom becomes less likely to occur, although the dioxygenated products were observed with both probes. A monooxygenated product was also produced from probe 2 in a significant quantity. Analysis of this new product by HPLC coupled UV-vis spectroscopy, high-resolution mass spectrometry, 1H NMR, 13C NMR, HSQC, HMBC, and infrared (IR) spectroscopies concluded that this monooxygenated product is a furoindoline compound derived from an unstable epoxyindole intermediate. These results prove that small molecules can manipulate the stepwise O atom transfer reaction of TDO and provide a showcase for a tunable mechanism by synthetic compounds. The product analysis results corroborate the presence of a substrate-based epoxyindole intermediate during catalysis and provide the first substantial experimental evidence for the involvement of the substrate α-amino group in the epoxide ring-opening step during catalysis. This combined synthetic, biochemical, and biophysical study establishes the catalytic role of the α-amino group of the substrate during the O atom transfer reactions and thus represents a substantial advance to the mechanistic comprehension of the heme-based tryptophan dioxygenases.
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Affiliation(s)
- Inchul Shin
- Department of Chemistry, University of Texas at San Antonio, San Antonio, Texas 78249, United States
| | - Brett R. Ambler
- Department of Medicinal Chemistry, The University of Kansas, Lawrence, Kansas 66045, United States
| | - Daniel Wherritt
- Department of Chemistry, University of Texas at San Antonio, San Antonio, Texas 78249, United States
| | - Wendell P. Griffith
- Department of Chemistry, University of Texas at San Antonio, San Antonio, Texas 78249, United States
| | - Amanda C. Maldonado
- Department of Medicinal Chemistry, The University of Kansas, Lawrence, Kansas 66045, United States
| | - Ryan A. Altman
- Department of Medicinal Chemistry, The University of Kansas, Lawrence, Kansas 66045, United States
| | - Aimin Liu
- Department of Chemistry, University of Texas at San Antonio, San Antonio, Texas 78249, United States
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28
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Yamamoto T, Iwasaki T, Morita T, Yoshimi Y. Strategy for O-Alkylation of Serine and Threonine from Serinyl and Threoninyl Acetic Acids by Photoinduced Decarboxylative Radical Reactions: Connection between Serine/Threonine and Carbohydrates/Amino Acids at the Side Chain. J Org Chem 2018. [DOI: 10.1021/acs.joc.8b00061] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Takashi Yamamoto
- Department of Applied Chemistry and Biotechnology, Graduate School of Engineering, University of Fukui, 3-9-1 Bunkyo, Fukui 910-8507, Japan
| | - Tomoya Iwasaki
- Department of Applied Chemistry and Biotechnology, Graduate School of Engineering, University of Fukui, 3-9-1 Bunkyo, Fukui 910-8507, Japan
| | - Toshio Morita
- Department of Applied Chemistry and Biotechnology, Graduate School of Engineering, University of Fukui, 3-9-1 Bunkyo, Fukui 910-8507, Japan
| | - Yasuharu Yoshimi
- Department of Applied Chemistry and Biotechnology, Graduate School of Engineering, University of Fukui, 3-9-1 Bunkyo, Fukui 910-8507, Japan
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29
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Lozhkin BA, Shlyakhtin AV, Bagrov VV, Ivchenko PV, Nifant’ev IE. Effective stereoselective approach to substituted 1,4-dioxane-2,5-diones as prospective substrates for ring-opening polymerization. MENDELEEV COMMUNICATIONS 2018. [DOI: 10.1016/j.mencom.2018.01.020] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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30
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Kang CW, Sarnowski MP, Elbatrawi YM, Del Valle JR. Access to Enantiopure α-Hydrazino Acids for N-Amino Peptide Synthesis. J Org Chem 2017; 82:1833-1841. [DOI: 10.1021/acs.joc.6b02718] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Chang Won Kang
- Department of Chemistry, University of South Florida, Tampa, Florida 33620, United States
| | - Matthew P. Sarnowski
- Department of Chemistry, University of South Florida, Tampa, Florida 33620, United States
| | - Yassin M. Elbatrawi
- Department of Chemistry, University of South Florida, Tampa, Florida 33620, United States
| | - Juan R. Del Valle
- Department of Chemistry, University of South Florida, Tampa, Florida 33620, United States
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31
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Hellwig M, Börner M, Beer F, van Pée KH, Henle T. Transformation of Free and Dipeptide-Bound Glycated Amino Acids by Two Strains ofSaccharomyces cerevisiae. Chembiochem 2016; 18:266-275. [DOI: 10.1002/cbic.201600486] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2016] [Indexed: 12/31/2022]
Affiliation(s)
- Michael Hellwig
- Chair of Food Chemistry; Technische Universität Dresden; Bergstrasse 66 01062 Dresden Germany
| | - Marie Börner
- Chair of Food Chemistry; Technische Universität Dresden; Bergstrasse 66 01062 Dresden Germany
| | - Falco Beer
- Chair of Food Chemistry; Technische Universität Dresden; Bergstrasse 66 01062 Dresden Germany
| | - Karl-Heinz van Pée
- Chair of Biochemistry; Technische Universität Dresden; Bergstrasse 66 01062 Dresden Germany
| | - Thomas Henle
- Chair of Food Chemistry; Technische Universität Dresden; Bergstrasse 66 01062 Dresden Germany
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32
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Basu A, Kunduru KR, Katzhendler J, Domb AJ. Poly(α-hydroxy acid)s and poly(α-hydroxy acid-co-α-amino acid)s derived from amino acid. Adv Drug Deliv Rev 2016; 107:82-96. [PMID: 27527666 DOI: 10.1016/j.addr.2016.08.003] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2016] [Revised: 07/17/2016] [Accepted: 08/04/2016] [Indexed: 12/16/2022]
Abstract
Polyesters derived from the α-hydroxy acids, lactic acid, and glycolic acid, are the most common biodegradable polymers in clinical use. These polymers have been tailored for a range of applications that require a physical material possessing. The physical and mechanical properties of these polymers fit the specific application and also safely biodegrade. These polymers are hydrophobic and do not possess functional side groups. This does not allow hydrophilic or hydrophobic manipulation, conjugation of active agents along the polymer chain, etc. These manipulations have partly been achieved by block copolymerization with, for example, poly(ethylene glycol), to obtain an amphiphilic copolymer. The objective of this review is to survey PLA functional copolymers in which functional α-hydroxy acids derived from amino acids are introduced along the polymer chain, allowing endless manipulation of PLA. Biodegradable functional polyesters are one of the most versatile biomaterials available to biomedical scientists. Amino acids with their variable side chains are ideal candidates for synthesizing such structural as well as stereochemically diverse polymers. They render control over functionalization, conjugation, crosslinking, stimulus responsiveness, and tunable mechanical/thermal properties. Functionalized amino acid derived polyesters are widely used, mainly due to advancement in ring opening polymerization (primarily O-carboxyanhydride mediated). The reaction proceeds under milder conditions and yields high molecular weight polymers. We reviewed on advances in the synthetic methodologies for poly-α-hydroxy esters derived from amino acids with appropriate recent examples.
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33
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van der Heijden G, Kraakman J, Biemolt J, Ruijter E, Orru RVA. Metal-free one-pot α-carboxylation of primary alcohols. Org Biomol Chem 2016; 14:9716-9719. [PMID: 27722407 DOI: 10.1039/c6ob01813k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient metal-free procedure for the formal α-carboxylation of primary alcohols has been developed. The method involves a one-pot oxidation/Passerini/hydrolysis sequence and provides access to α-hydroxy acids bearing a broad range of functional groups. A minor modification to the reaction conditions extends the range of accessible products to α-hydroxy esters.
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Affiliation(s)
- Gydo van der Heijden
- Department of Chemistry and Pharmaceutical Sciences and Amsterdam Institute of Molecules, Medicines and Systems (AIMMS), Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands.
| | - Jasper Kraakman
- Department of Chemistry and Pharmaceutical Sciences and Amsterdam Institute of Molecules, Medicines and Systems (AIMMS), Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands.
| | - Jasper Biemolt
- Department of Chemistry and Pharmaceutical Sciences and Amsterdam Institute of Molecules, Medicines and Systems (AIMMS), Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands.
| | - Eelco Ruijter
- Department of Chemistry and Pharmaceutical Sciences and Amsterdam Institute of Molecules, Medicines and Systems (AIMMS), Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands.
| | - Romano V A Orru
- Department of Chemistry and Pharmaceutical Sciences and Amsterdam Institute of Molecules, Medicines and Systems (AIMMS), Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands.
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34
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Design, synthesis, and biological evaluation of α-hydroxyacyl-AMS inhibitors of amino acid adenylation enzymes. Bioorg Med Chem Lett 2016; 26:5340-5345. [PMID: 27692545 DOI: 10.1016/j.bmcl.2016.09.027] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Accepted: 09/09/2016] [Indexed: 11/22/2022]
Abstract
Biosynthesis of bacterial natural-product virulence factors is emerging as a promising antibiotic target. Many such natural products are produced by nonribosomal peptide synthetases (NRPS) from amino acid precursors. To develop selective inhibitors of these pathways, we have previously described aminoacyl-AMS (sulfamoyladenosine) macrocycles that inhibit NRPS amino acid adenylation domains but not mechanistically-related aminoacyl-tRNA synthetases. To improve the cell permeability of these inhibitors, we explore herein replacement of the α-amino group with an α-hydroxy group. In both macrocycles and corresponding linear congeners, this leads to decreased biochemical inhibition of the cysteine adenylation domain of the Yersina pestis siderophore synthetase HMWP2, which we attribute to loss of an electrostatic interaction with a conserved active-site aspartate. However, inhibitory activity can be regained by installing a cognate β-thiol moiety in the linear series. This provides a path forward to develop selective, cell-penetrant inhibitors of the biosynthesis of virulence factors to probe their biological functions and potential as therapeutic targets.
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35
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Fuoco T, Finne-Wistrand A, Pappalardo D. A Route to Aliphatic Poly(ester)s with Thiol Pendant Groups: From Monomer Design to Editable Porous Scaffolds. Biomacromolecules 2016; 17:1383-94. [DOI: 10.1021/acs.biomac.6b00005] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Tiziana Fuoco
- Department
of Fibre and Polymer Technology, KTH Royal Institute of Technology, 114 28 Stockholm, Sweden
- Department
of Chemistry and Biology “A. Zambelli”, University of Salerno, via Giovanni Paolo II 132, 84084 Fisciano, Salerno, Italy
| | - Anna Finne-Wistrand
- Department
of Fibre and Polymer Technology, KTH Royal Institute of Technology, 114 28 Stockholm, Sweden
| | - Daniela Pappalardo
- Department
of Fibre and Polymer Technology, KTH Royal Institute of Technology, 114 28 Stockholm, Sweden
- Department
of Science and Technology, University of Sannio, via dei Mulini
59/A, 82100 Benevento, Italy
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36
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Pedersen SW, Pedersen SB, Anker L, Hultqvist G, Kristensen AS, Jemth P, Strømgaard K. Probing backbone hydrogen bonding in PDZ/ligand interactions by protein amide-to-ester mutations. Nat Commun 2015; 5:3215. [PMID: 24477114 DOI: 10.1038/ncomms4215] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2013] [Accepted: 01/07/2014] [Indexed: 01/30/2023] Open
Abstract
PDZ domains are scaffolding modules in protein-protein interactions that mediate numerous physiological functions by interacting canonically with the C-terminus or non-canonically with an internal motif of protein ligands. A conserved carboxylate-binding site in the PDZ domain facilitates binding via backbone hydrogen bonds; however, little is known about the role of these hydrogen bonds due to experimental challenges with backbone mutations. Here we address this interaction by generating semisynthetic PDZ domains containing backbone amide-to-ester mutations and evaluating the importance of individual hydrogen bonds for ligand binding. We observe substantial and differential effects upon amide-to-ester mutation in PDZ2 of postsynaptic density protein 95 and other PDZ domains, suggesting that hydrogen bonding at the carboxylate-binding site contributes to both affinity and selectivity. In particular, the hydrogen-bonding pattern is surprisingly different between the non-canonical and canonical interaction. Our data provide a detailed understanding of the role of hydrogen bonds in protein-protein interactions.
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Affiliation(s)
- Søren W Pedersen
- Department of Drug Design and Pharmacology, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark
| | - Stine B Pedersen
- Department of Drug Design and Pharmacology, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark
| | - Louise Anker
- Department of Drug Design and Pharmacology, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark
| | - Greta Hultqvist
- Department of Medical Biochemistry and Microbiology, Uppsala University, BMC Box 582, SE-75123 Uppsala, Sweden
| | - Anders S Kristensen
- Department of Drug Design and Pharmacology, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark
| | - Per Jemth
- Department of Medical Biochemistry and Microbiology, Uppsala University, BMC Box 582, SE-75123 Uppsala, Sweden
| | - Kristian Strømgaard
- Department of Drug Design and Pharmacology, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark
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37
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Deng G, Shen J, Yin M, McManus J, Mathieu M, Gee P, He T, Shi C, Bedel O, McLean LR, Le-Strat F, Zhang Y, Marquette JP, Gao Q, Zhang B, Rak A, Hoffmann D, Rooney E, Vassort A, Englaro W, Li Y, Patel V, Adrian F, Gross S, Wiederschain D, Cheng H, Licht S. Selective inhibition of mutant isocitrate dehydrogenase 1 (IDH1) via disruption of a metal binding network by an allosteric small molecule. J Biol Chem 2014; 290:762-74. [PMID: 25391653 DOI: 10.1074/jbc.m114.608497] [Citation(s) in RCA: 96] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Cancer-associated point mutations in isocitrate dehydrogenase 1 and 2 (IDH1 and IDH2) confer a neomorphic enzymatic activity: the reduction of α-ketoglutarate to d-2-hydroxyglutaric acid, which is proposed to act as an oncogenic metabolite by inducing hypermethylation of histones and DNA. Although selective inhibitors of mutant IDH1 and IDH2 have been identified and are currently under investigation as potential cancer therapeutics, the mechanistic basis for their selectivity is not yet well understood. A high throughput screen for selective inhibitors of IDH1 bearing the oncogenic mutation R132H identified compound 1, a bis-imidazole phenol that inhibits d-2-hydroxyglutaric acid production in cells. We investigated the mode of inhibition of compound 1 and a previously published IDH1 mutant inhibitor with a different chemical scaffold. Steady-state kinetics and biophysical studies show that both of these compounds selectively inhibit mutant IDH1 by binding to an allosteric site and that inhibition is competitive with respect to Mg(2+). A crystal structure of compound 1 complexed with R132H IDH1 indicates that the inhibitor binds at the dimer interface and makes direct contact with a residue involved in binding of the catalytically essential divalent cation. These results show that targeting a divalent cation binding residue can enable selective inhibition of mutant IDH1 and suggest that differences in magnesium binding between wild-type and mutant enzymes may contribute to the inhibitors' selectivity for the mutant enzyme.
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Affiliation(s)
- Gejing Deng
- From Division of Oncology Drug Discovery and Preclinical Development, Sanofi, Cambridge, Massachusetts 02139,
| | - Junqing Shen
- From Division of Oncology Drug Discovery and Preclinical Development, Sanofi, Cambridge, Massachusetts 02139
| | - Ming Yin
- From Division of Oncology Drug Discovery and Preclinical Development, Sanofi, Cambridge, Massachusetts 02139
| | - Jessica McManus
- From Division of Oncology Drug Discovery and Preclinical Development, Sanofi, Cambridge, Massachusetts 02139
| | - Magali Mathieu
- Division of Lead Generation & Compound Realization, Sanofi, Vitry 94403, France
| | - Patricia Gee
- From Division of Oncology Drug Discovery and Preclinical Development, Sanofi, Cambridge, Massachusetts 02139
| | - Timothy He
- From Division of Oncology Drug Discovery and Preclinical Development, Sanofi, Cambridge, Massachusetts 02139
| | - Chaomei Shi
- From Division of Oncology Drug Discovery and Preclinical Development, Sanofi, Cambridge, Massachusetts 02139
| | - Olivier Bedel
- From Division of Oncology Drug Discovery and Preclinical Development, Sanofi, Cambridge, Massachusetts 02139
| | - Larry R McLean
- Division of Lead Generation & Compound Realization, Sanofi, Waltham, Massachusetts 02452, and
| | - Frank Le-Strat
- Department of Disposition, Safety & Animal Research, Sanofi, Chilly-Mazarin 91385, France
| | - Ying Zhang
- Division of Lead Generation & Compound Realization, Sanofi, Waltham, Massachusetts 02452, and
| | | | - Qiang Gao
- From Division of Oncology Drug Discovery and Preclinical Development, Sanofi, Cambridge, Massachusetts 02139
| | - Bailin Zhang
- From Division of Oncology Drug Discovery and Preclinical Development, Sanofi, Cambridge, Massachusetts 02139
| | - Alexey Rak
- Division of Lead Generation & Compound Realization, Sanofi, Vitry 94403, France
| | - Dietmar Hoffmann
- From Division of Oncology Drug Discovery and Preclinical Development, Sanofi, Cambridge, Massachusetts 02139
| | - Eamonn Rooney
- Division of Lead Generation & Compound Realization, Sanofi, Vitry 94403, France
| | - Aurelie Vassort
- Division of Lead Generation & Compound Realization, Sanofi, Vitry 94403, France
| | - Walter Englaro
- Division of Lead Generation & Compound Realization, Sanofi, Vitry 94403, France
| | - Yi Li
- Division of Lead Generation & Compound Realization, Sanofi, Waltham, Massachusetts 02452, and
| | - Vinod Patel
- Division of Lead Generation & Compound Realization, Sanofi, Waltham, Massachusetts 02452, and
| | - Francisco Adrian
- From Division of Oncology Drug Discovery and Preclinical Development, Sanofi, Cambridge, Massachusetts 02139
| | - Stefan Gross
- From Division of Oncology Drug Discovery and Preclinical Development, Sanofi, Cambridge, Massachusetts 02139
| | - Dmitri Wiederschain
- From Division of Oncology Drug Discovery and Preclinical Development, Sanofi, Cambridge, Massachusetts 02139
| | - Hong Cheng
- From Division of Oncology Drug Discovery and Preclinical Development, Sanofi, Cambridge, Massachusetts 02139
| | - Stuart Licht
- From Division of Oncology Drug Discovery and Preclinical Development, Sanofi, Cambridge, Massachusetts 02139
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38
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Kang CW, Ranatunga S, Sarnowski MP, Del Valle JR. Solid-phase synthesis of tetrahydropyridazinedione-constrained peptides. Org Lett 2014; 16:5434-7. [PMID: 25295511 PMCID: PMC4201324 DOI: 10.1021/ol5026684] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
![]()
The
design and solid-phase synthesis of tetrahydropyridazine-3,6-dione
(Tpd) peptidomimetics derived from backbone-aminated peptides is reported.
The described protocol features the synthesis of chiral α-hydrazino
acids suitable for chemoselective incorporation into growing peptide
chains. Acid-catalyzed cyclization to form the Tpd ring during cleavage
affords the target peptidomimetics in good yield and purity. The scope
of Tpd incorporation is demonstrated through the synthesis of constrained
peptides featuring nucleophilic/electrophilic side chains and sterically
encumbered α-substituted hydrazino acid residues.
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Affiliation(s)
- Chang Won Kang
- Drug Discovery Department, H. Lee Moffitt Cancer Center and Research Institute , Tampa, Florida 33612, United States
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39
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Busto E, Richter N, Grischek B, Kroutil W. Biocontrolled formal inversion or retention of L-α-amino acids to enantiopure (R)- or (S)-hydroxyacids. Chemistry 2014; 20:11225-8. [PMID: 25048982 DOI: 10.1002/chem.201403195] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2014] [Indexed: 02/05/2023]
Abstract
Natural L-α-amino acids and L-norleucine were transformed to the corresponding α-hydroxy acids by formal biocatalytic inversion or retention of absolute configuration. The one-pot transformation was achieved by a concurrent oxidation reduction cascade in aqueous media. A representative panel of enantiopure (R)- and (S)-2-hydroxy acids possessing aliphatic, aromatic and heteroaromatic moieties were isolated in high yield (67-85 %) and enantiopure form (>99 % ee) without requiring chromatographic purification.
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Affiliation(s)
- Eduardo Busto
- Department of Chemistry, Organic and Bioorganic Chemistry, University of Graz, Heinrichstrasse 28, 8010 Graz (Austria)
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40
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Stuhr-Hansen N, Padrah S, Strømgaard K. Facile synthesis of α-hydroxy carboxylic acids from the corresponding α-amino acids. Tetrahedron Lett 2014. [DOI: 10.1016/j.tetlet.2014.05.090] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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41
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Chen X, Lai H, Xiao C, Tian H, Chen X, Tao Y, Wang X. New bio-renewable polyester with rich side amino groups from l-lysine via controlled ring-opening polymerization. Polym Chem 2014. [DOI: 10.1039/c4py00930d] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Lysine, a renewable resource from biomass fermentation, was converted to pure O-carboxyanhydride monomer, then well-defined polyester with amino groups was prepared via controlled ring-opening polymerization.
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Affiliation(s)
- Xiaoyu Chen
- Key Laboratory of Polymer Ecomaterials
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022, People's Republic of China
| | - Haiwang Lai
- Key Laboratory of Polymer Ecomaterials
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022, People's Republic of China
| | - Chunsheng Xiao
- Key Laboratory of Polymer Ecomaterials
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022, People's Republic of China
| | - Huayu Tian
- Key Laboratory of Polymer Ecomaterials
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022, People's Republic of China
| | - Xuesi Chen
- Key Laboratory of Polymer Ecomaterials
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022, People's Republic of China
| | - Youhua Tao
- Key Laboratory of Polymer Ecomaterials
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022, People's Republic of China
| | - Xianhong Wang
- Key Laboratory of Polymer Ecomaterials
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022, People's Republic of China
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42
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Highly stereoselective biosynthesis of (R)-α-hydroxy carboxylic acids through rationally re-designed mutation of D-lactate dehydrogenase. Sci Rep 2013; 3:3401. [PMID: 24292439 PMCID: PMC4070498 DOI: 10.1038/srep03401] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2013] [Accepted: 11/15/2013] [Indexed: 12/02/2022] Open
Abstract
An NAD-dependent d-lactate dehydrogenase (d-nLDH) of Lactobacillus bulgaricus ATCC 11842 was rationally re-designed for asymmetric reduction of a homologous series of α-keto carboxylic acids such as phenylpyruvic acid (PPA), α-ketobutyric acid, α-ketovaleric acid, β-hydroxypyruvate. Compared with wild-type d-nLDH, the Y52L mutant d-nLDH showed elevated activities toward unnatural substrates especially with large substitutes at C-3. By the biocatalysis combined with a formate dehydrogenase for in situ generation of NADH, the corresponding (R)-α-hydroxy carboxylic acids could be produced at high yields and highly optical purities. Taking the production of chiral (R)-phenyllactic acid (PLA) from PPA for example, 50 mM PPA was completely reduced to (R)-PLA in 90 min with a high yield of 99.0% and a highly optical purity (>99.9% e.e.) by the coupling system. The results presented in this work suggest a promising alternative for the production of chiral α-hydroxy carboxylic acids.
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43
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Eildal JNN, Hultqvist G, Balle T, Stuhr-Hansen N, Padrah S, Gianni S, Strømgaard K, Jemth P. Probing the role of backbone hydrogen bonds in protein-peptide interactions by amide-to-ester mutations. J Am Chem Soc 2013; 135:12998-3007. [PMID: 23705582 DOI: 10.1021/ja402875h] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
One of the most frequent protein-protein interaction modules in mammalian cells is the postsynaptic density 95/discs large/zonula occludens 1 (PDZ) domain, involved in scaffolding and signaling and emerging as an important drug target for several diseases. Like many other protein-protein interactions, those of the PDZ domain family involve formation of intermolecular hydrogen bonds: C-termini or internal linear motifs of proteins bind as β-strands to form an extended antiparallel β-sheet with the PDZ domain. Whereas extensive work has focused on the importance of the amino acid side chains of the protein ligand, the role of the backbone hydrogen bonds in the binding reaction is not known. Using amide-to-ester substitutions to perturb the backbone hydrogen-bonding pattern, we have systematically probed putative backbone hydrogen bonds between four different PDZ domains and peptides corresponding to natural protein ligands. Amide-to-ester mutations of the three C-terminal amides of the peptide ligand severely affected the affinity with the PDZ domain, demonstrating that hydrogen bonds contribute significantly to ligand binding (apparent changes in binding energy, ΔΔG = 1.3 to >3.8 kcal mol(-1)). This decrease in affinity was mainly due to an increase in the dissociation rate constant, but a significant decrease in the association rate constant was found for some amide-to-ester mutations suggesting that native hydrogen bonds have begun to form in the transition state of the binding reaction. This study provides a general framework for studying the role of backbone hydrogen bonds in protein-peptide interactions and for the first time specifically addresses these for PDZ domain-peptide interactions.
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Affiliation(s)
- Jonas N N Eildal
- Department of Drug Design and Pharmacology, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark
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44
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Khusnutdinova JR, Ben-David Y, Milstein D. Direct Deamination of Primary Amines by Water To Produce Alcohols. Angew Chem Int Ed Engl 2013; 52:6269-72. [DOI: 10.1002/anie.201301000] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2013] [Revised: 03/06/2013] [Indexed: 11/08/2022]
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45
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Khusnutdinova JR, Ben-David Y, Milstein D. Direct Deamination of Primary Amines by Water To Produce Alcohols. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201301000] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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46
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Zhang Q, Deng C, Fang L, Xu W, Zhao Q, Zhang J, Wang Y, Lei X. Synthesis and Evaluation of the Analogues of Penicillide against Cholesterol Ester Transfer Protein. CHINESE J CHEM 2013. [DOI: 10.1002/cjoc.201200977] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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47
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Hu DX, O’Brien M, Ley SV. Continuous Multiple Liquid–Liquid Separation: Diazotization of Amino Acids in Flow. Org Lett 2012; 14:4246-9. [DOI: 10.1021/ol301930h] [Citation(s) in RCA: 81] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Dennis X. Hu
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB21EW, United Kingdon
| | - Matthew O’Brien
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB21EW, United Kingdon
| | - Steven V. Ley
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB21EW, United Kingdon
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48
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Deng CL, Zhang Q, Fang L, Lei X, Lin G. A Convergent Approach to Dibenzodioxocinones: Synthesis of Racemic Penicillide. Helv Chim Acta 2012. [DOI: 10.1002/hlca.201100405] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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49
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Fedoseyenko D, Raghuraman A, Ko E, Burgess K. Omegatides: constrained analogs of peptide primary sequence. Org Biomol Chem 2012; 10:921-4. [PMID: 22179815 DOI: 10.1039/c2ob06692k] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- Dmytro Fedoseyenko
- Department of Chemistry, Texas A&M University, Box 30012, College Station, TX 77842, USA
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50
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Pappalardo D, Målberg S, Finne-Winstrad A, Albertsson AC. Synthetic pathways enables the design of functionalized poly(lactic acid) with pendant mercapto groups. ACTA ACUST UNITED AC 2011. [DOI: 10.1002/pola.25834] [Citation(s) in RCA: 12] [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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