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Shanmugasundaram M, Senthilvelan A, Kore AR. An improved protection-free one-pot chemical synthesis of purine locked nucleic acid nucleoside-5'-triphosphates. NUCLEOSIDES, NUCLEOTIDES & NUCLEIC ACIDS 2021; 41:36-44. [PMID: 34696692 DOI: 10.1080/15257770.2021.1994992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Revised: 10/13/2021] [Accepted: 10/14/2021] [Indexed: 10/20/2022]
Abstract
A simple, reliable, straightforward, and efficient method for the gram-scale chemical synthesis of purine locked nucleic acid (LNA) nucleotides such as LNA-guanosine-5'-triphosphate (LNA-GTP) and LNA-adenosine-5'-triphosphate (LNA-ATP) starting from the corresponding nucleoside is described. The overall reaction utilizes an improved "one-pot, three-step" Ludwig synthetic strategy that involves the monophosphorylation of LNA nucleoside, followed by the reaction with tributylammonium pyrophosphate and subsequent hydrolysis of the resulting cyclic intermediate using water to furnish the corresponding purine LNA nucleotide in good yield with high purity (>99.5%).
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Affiliation(s)
| | | | - Anilkumar R Kore
- Life Sciences Solutions Group, Thermo Fisher Scientific, Austin, Texas, USA
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Vidyavathi GT, Vinay Kumar B, Aravinda T, Hani U. Cashew nutshell liquid catalyzed green chemistry approach for synthesis of a Schiff base and its divalent metal complexes: molecular docking and DNA reactivity. NUCLEOSIDES NUCLEOTIDES & NUCLEIC ACIDS 2021; 40:264-287. [PMID: 33402026 DOI: 10.1080/15257770.2020.1868502] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Cashew Nut Shell Liquid (CNSL) anacardic acid was used, for the first time, as a green and natural effective catalyst for the synthesis of a quinoline based amino acid Schiff base ligand from the condensation of 2-hydroxyquinoline-3-carbaldehyde with l-tryptophan via solvent-free simple physical grinding technique. The use of the nontoxic CNSL natural catalyst has many benefits over toxic reagents and the desired product was obtained in high yield in a short reaction time. The procedure employed is simple and does not involve column chromatography. Moreover, a series of metal(II) complexes (metal = iron(II), cobalt(II), nickel(II), and copper(II)) supported by the synthesized new quinoline based amino acid Schiff base ligand (L) has been designed and the compositions of the metal(II) complexes were examined by various analytical techniques. The findings imply that the 2-hydroxyquinoline-3-carbaldehyde amino acid Schiff base (L) serves as a dibasic tridentate ONO ligand and synchronizes with the metal(II) in octahedral geometry in accordance with the general formula [M(LH)2]. Molecular docking study of the metal(II) complexes with B-DNA dodecamer has revealed good binding energy. The conductivity parameters in DMSO suggest the existence of nonelectrolyte species. The interaction of these metal complexes with CT-DNA has shown strong binding via an intercalative mode with a different pattern of DNA binding, while UV-visible photo-induced molecular cleavage analysis against plasmid DNA using agarose gel electrophoresis has revealed that the metal complexes exhibit photo induced nuclease activity.
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Affiliation(s)
- G T Vidyavathi
- Department of Chemistry, RNS Institute of Technology, Channasandra, Bengaluru, Karnataka, India
| | - B Vinay Kumar
- Department of Chemistry, RNS Institute of Technology, Channasandra, Bengaluru, Karnataka, India
| | - T Aravinda
- Department of Chemistry, NITTE Meenakshi Institute of Technology, Yelahanka, Bengaluru, Karnataka, India
| | - U Hani
- Department of Biotechnology, Kuvempu University, Shankaraghatta, Shivamogga, Karnataka, India
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Senthilvelan A, Shanmugasundaram M, Kore AR. An efficient protection-free chemical synthesis of inosine 5'-nucleotides. NUCLEOSIDES NUCLEOTIDES & NUCLEIC ACIDS 2020; 39:829-837. [PMID: 31997708 DOI: 10.1080/15257770.2019.1708388] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
A facile, straightforward, reliable, and efficient chemical synthesis of inosine nucleotides such as inosine-5'-monophosphate, inosine-5'-diphosphate, and inosine-5'-triphosphate, starting from inosine is delineated. The inosine-5'-monophosphate is achieved by the highly regioselective monophosphorylation of inosine using the Yoshikawa procedure. The inosine-5'-diphosphate is obtained by the coupling reaction of tributylammonium phosphate with an activated inosine-5'-monophosphate using zinc chloride as a catalyst. The inosine-5'-triphosphate is efficiently achieved by the improved "one-pot, three-step" Ludwig synthetic strategy. In all the cases, the resulting final product is isolated in good yields with high purity (>99.5%).
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Affiliation(s)
| | | | - Anilkumar R Kore
- Life Sciences Solutions Group, Thermo Fisher Scientific, Austin, TX, USA
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Shanmugasundaram M, Senthilvelan A, Kore AR. C-5 Substituted Pyrimidine Nucleotides/Nucleosides: Recent Progress in Synthesis, Functionalization, and Applications. CURR ORG CHEM 2019. [DOI: 10.2174/1385272823666190809124310] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The chemistry of C5 substituted pyrimidine nucleotide serves as a versatile molecular
biology probe for the incorporation of DNA/RNA that has been involved in various
molecular biology applications such as gene expression, chromosome, and mRNA
fluorescence in situ hybridization (FISH) experiment, mutation detection on arrays and
microarrays, in situ RT-PCR, and PCR. In addition to C5 substituted pyrimidine nucleotide,
C5 substituted pyrimidine nucleoside displays a broad spectrum of biological applications
such as antibacterial, antiviral and anticancer activities. This review focusses on
the recent development in the synthesis of aminoallyl pyrimidine nucleotide, aminopropargyl
pyrimidine nucleotide, fluorescent probes containing C5 substituted pyrimidine nucleotide,
2′-deoxycytidine nucleoside containing vinylsulfonamide and acrylamide modification,
C5 alkenyl, C5 alkynyl, and C5 aryl pyrimidine nucleosides through palladium-catalyzed reaction,
pyrimidine nucleoside containing triazole moiety through Click reaction, 5-isoxazol-3-yl-pyrimidine nucleoside,
C5 azide modified pyrimidine nucleoside, 2′-deoxycytidine nucleotide containing photocleavable moiety,
and uridine nucleoside containing germane and their biological applications are outlined.
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Affiliation(s)
- Muthian Shanmugasundaram
- Life Sciences Solutions Group, Thermo Fisher Scientific, 2130 Woodward Street, Austin, TX 78744-1832, United States
| | - Annamalai Senthilvelan
- Life Sciences Solutions Group, Thermo Fisher Scientific, 2130 Woodward Street, Austin, TX 78744-1832, United States
| | - Anilkumar R. Kore
- Life Sciences Solutions Group, Thermo Fisher Scientific, 2130 Woodward Street, Austin, TX 78744-1832, United States
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Guseinov TO, Kuznetsova VE, Shershov VE, Spitsyn MA, Lapa SA, Zasedatelev AS, Chudinov AV. New Synthetic Route to CY5-Labeled 2'-Deoxycytidine- 5'-Triphosphates Using Sonogashira Reaction. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2018. [DOI: 10.1134/s1068162018020103] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Shanmugasundaram M, Senthilvelan A, Kore AR. Palladium-Catalyzed Synthesis of (E)-5-(3-Aminoallyl)-Uridine-5'-O-Triphosphates. CURRENT PROTOCOLS IN NUCLEIC ACID CHEMISTRY 2017; 71:13.18.1-13.18.10. [PMID: 29275536 DOI: 10.1002/cpnc.42] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
This unit describes a simple, reliable, and efficient chemical method for the synthesis of 5-(3-aminoallyl)-2'-deoxyuridine-5'-O-triphosphate (AA-dUTP) and 5-(3-aminoallyl)-uridine-5'-O-triphosphate (AA-UTP), starting from the corresponding nucleoside triphosphate. The presented strategy involves regioselective iodination of nucleoside triphosphate using N-iodosuccinimide followed by the palladium-catalyzed Heck coupling with allylamine to provide the corresponding (E)-5-aminoallyl-uridine-5'-O-triphosphate in good yields. It is noteworthy that the protocol not only provides a high-purity product but also eliminates the use of toxic mercuric reagents. © 2017 by John Wiley & Sons, Inc.
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Affiliation(s)
| | | | - Anilkumar R Kore
- Life Sciences Solutions Group, Thermo Fisher Scientific, Austin, Texas
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Shanmugasundaram M, Senthilvelan A, Xiao Z, Kore AR. An Efficient Protection-Free One-Pot Chemical Synthesis of Modified Nucleoside-5'-Triphosphates. NUCLEOSIDES NUCLEOTIDES & NUCLEIC ACIDS 2016; 35:356-62. [PMID: 27159048 DOI: 10.1080/15257770.2016.1163382] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
A simple, reliable, and an efficient "one-pot, three step" chemical method for the synthesis of modified nucleoside triphosphates such as 5-methylcytidine-5'-triphosphate (5-MeCTP), pseudouridine-5'-triphosphate (pseudoUTP) and N(1)-methylpseudouridine-5'-triphosphate (N(1)-methylpseudoUTP) starting from the corresponding nucleoside is described. The overall reaction involves the monophosphorylation of nucleoside, followed by the reaction with pyrophosphate and subsequent hydrolysis of the cyclic intermediate to furnish the corresponding NTP in moderate yields with high purity (>99.5%).
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Affiliation(s)
| | | | - Zejun Xiao
- a Life Sciences Solutions Group, Thermo Fisher Scientific , Austin , Texas , USA
| | - Anilkumar R Kore
- a Life Sciences Solutions Group, Thermo Fisher Scientific , Austin , Texas , USA
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Synthesis of acridine-1,8-dione substituted (E)-5-(3-aminoallyl)-uridine-5′-triphosphate: a new potential fluorogenic molecular probe. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.03.089] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Kore AR, Yang B, Thiyagarajan SS, Srinivasan B. Synthesis and Substrate Evaluation of (E)-5-[(3-Selenophene-2-Carboxamido)Prop-1-en-1-yl]-Uridine-5'-O-Triphosphate for RNA Polymerase. NUCLEOSIDES NUCLEOTIDES & NUCLEIC ACIDS 2015; 34:866-76. [PMID: 26430834 DOI: 10.1080/15257770.2015.1081941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Design, synthesis and T7 RNA polymerase substrate evaluation of (E)-5-[(3-selenophene-2-carboxamido)prop-1-en-1-yl]-uridine-5'-O-triphosphate is reported. The title compound is shown to be a good substrate for RNA polymerase by RNA labeling through in vitro transcription. pTRI-plasmid DNA with β-actin gene sequence (∼300 base pairs) with T7 promoter was used as a template for the in vitro transcription. Transcribed product is characterized for incorporation by gel assay and for integrity, full length and size by bioanalyzer. The title compound will be very useful in biophysical techniques to obtain information on dynamics and recognition properties in real time as well as 3D structure of nucleic acids.
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Affiliation(s)
- Anilkumar R Kore
- a Life Sciences Solutions Group, Thermo Fisher Scientific , Austin , TX , USA
| | - Bo Yang
- a Life Sciences Solutions Group, Thermo Fisher Scientific , Austin , TX , USA
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