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1D Zn-adenine coordination polymer for nitro explosive sensing and Hantzsch catalysis.

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Title: 1D Zn-adenine coordination polymer for nitro explosive sensing and Hantzsch catalysis.
Authors: Singh, Sneha1 (AUTHOR) sneha_2421ch15@iitp.ac.in, Patra, Rajesh1 (AUTHOR) rajesh_1921ch07@iitp.ac.in, Mondal, Sumit1 (AUTHOR) sumit_1921ch12@iitp.ac.in, Amit1 (AUTHOR) amit_2312ch32@iitp.ac.in, Sarma, Debajit1 (AUTHOR) debajit@iitp.ac.in
Source: Polyhedron. Feb2026, Vol. 284, pN.PAG-N.PAG. 1p.
Subjects: Explosives analysis, Explosives detection, Coordination polymers, Dihydropyridine, Lewis, David B., 1945-, Bifunctional catalysis, Bioactive compounds, Fluorescent polymers, Hydrothermal synthesis
Abstract: A new fluorescent coordination polymer [Zn(Ad)(1,4-NDC)(H 2 O)], SSICG-19, has been synthesized with Zn2+ nodes, adenine (Ad), and 1,4-NDC (1,4-naphthalene dicarboxylic acid) using the solvothermal method. SSICG-19 has a one-dimensional structure formed by the connectivity of adenine with a zinc ion, where 1,4-NDC remains as a pendant ligand connected to the zinc ion, along with a coordinated water molecule. SSICG-19 can selectively detect TNP (nitro explosive) based on the fluorescence turn-off mechanism. In the presence of TNP, the fluorescence intensity of the SSICG-19 is completely quenched, and it shows a low detection limit of 0.422 ppm. Additionally, the labile coordinated water molecule in SSICG-19 generates active metal sites that serve as Lewis acidic centers, which, in combination with Lewis basic sites present in the coordination polymer (-NH 2 groups of adenine), provide bifunctional catalytic activity. Therefore, SSICG-19 efficiently catalyzes the multicomponent Hantzsch condensation reaction for the one-pot synthesis of bioactive dihydropyridines (DHPs) under mild conditions. A fluorescent Zn-based coordination polymer SSICG-19 , constructed from adenine, 1,4-naphthalene dicarboxylic acid exhibits selective sensing of nitro explosives and efficient one-pot Hantzsch condensation for the synthesis of dihydropyridines (DHPs). [Display omitted] [ABSTRACT FROM AUTHOR]
Copyright of Polyhedron is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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Header DbId: egs
DbLabel: Engineering Source
An: 189850779
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PubTypeId: academicJournal
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  Label: Title
  Group: Ti
  Data: 1D Zn-adenine coordination polymer for nitro explosive sensing and Hantzsch catalysis.
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  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Singh%2C+Sneha%22">Singh, Sneha</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> sneha_2421ch15@iitp.ac.in</i><br /><searchLink fieldCode="AR" term="%22Patra%2C+Rajesh%22">Patra, Rajesh</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> rajesh_1921ch07@iitp.ac.in</i><br /><searchLink fieldCode="AR" term="%22Mondal%2C+Sumit%22">Mondal, Sumit</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> sumit_1921ch12@iitp.ac.in</i><br /><searchLink fieldCode="AR" term="%22Amit%22">Amit</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> amit_2312ch32@iitp.ac.in</i><br /><searchLink fieldCode="AR" term="%22Sarma%2C+Debajit%22">Sarma, Debajit</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> debajit@iitp.ac.in</i>
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  Data: <searchLink fieldCode="JN" term="%22Polyhedron%22">Polyhedron</searchLink>. Feb2026, Vol. 284, pN.PAG-N.PAG. 1p.
– Name: Subject
  Label: Subjects
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  Data: <searchLink fieldCode="DE" term="%22Explosives+analysis%22">Explosives analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Explosives+detection%22">Explosives detection</searchLink><br /><searchLink fieldCode="DE" term="%22Coordination+polymers%22">Coordination polymers</searchLink><br /><searchLink fieldCode="DE" term="%22Dihydropyridine%22">Dihydropyridine</searchLink><br /><searchLink fieldCode="DE" term="%22Lewis%2C+David+B%2E%2C+1945-%22">Lewis, David B., 1945-</searchLink><br /><searchLink fieldCode="DE" term="%22Bifunctional+catalysis%22">Bifunctional catalysis</searchLink><br /><searchLink fieldCode="DE" term="%22Bioactive+compounds%22">Bioactive compounds</searchLink><br /><searchLink fieldCode="DE" term="%22Fluorescent+polymers%22">Fluorescent polymers</searchLink><br /><searchLink fieldCode="DE" term="%22Hydrothermal+synthesis%22">Hydrothermal synthesis</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: A new fluorescent coordination polymer [Zn(Ad)(1,4-NDC)(H 2 O)], SSICG-19, has been synthesized with Zn2+ nodes, adenine (Ad), and 1,4-NDC (1,4-naphthalene dicarboxylic acid) using the solvothermal method. SSICG-19 has a one-dimensional structure formed by the connectivity of adenine with a zinc ion, where 1,4-NDC remains as a pendant ligand connected to the zinc ion, along with a coordinated water molecule. SSICG-19 can selectively detect TNP (nitro explosive) based on the fluorescence turn-off mechanism. In the presence of TNP, the fluorescence intensity of the SSICG-19 is completely quenched, and it shows a low detection limit of 0.422 ppm. Additionally, the labile coordinated water molecule in SSICG-19 generates active metal sites that serve as Lewis acidic centers, which, in combination with Lewis basic sites present in the coordination polymer (-NH 2 groups of adenine), provide bifunctional catalytic activity. Therefore, SSICG-19 efficiently catalyzes the multicomponent Hantzsch condensation reaction for the one-pot synthesis of bioactive dihydropyridines (DHPs) under mild conditions. A fluorescent Zn-based coordination polymer SSICG-19 , constructed from adenine, 1,4-naphthalene dicarboxylic acid exhibits selective sensing of nitro explosives and efficient one-pot Hantzsch condensation for the synthesis of dihydropyridines (DHPs). [Display omitted] [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Polyhedron is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1016/j.poly.2025.117897
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Explosives analysis
        Type: general
      – SubjectFull: Explosives detection
        Type: general
      – SubjectFull: Coordination polymers
        Type: general
      – SubjectFull: Dihydropyridine
        Type: general
      – SubjectFull: Lewis, David B., 1945-
        Type: general
      – SubjectFull: Bifunctional catalysis
        Type: general
      – SubjectFull: Bioactive compounds
        Type: general
      – SubjectFull: Fluorescent polymers
        Type: general
      – SubjectFull: Hydrothermal synthesis
        Type: general
    Titles:
      – TitleFull: 1D Zn-adenine coordination polymer for nitro explosive sensing and Hantzsch catalysis.
        Type: main
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      – PersonEntity:
          Name:
            NameFull: Singh, Sneha
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            NameFull: Patra, Rajesh
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            NameFull: Mondal, Sumit
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            NameFull: Amit
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            NameFull: Sarma, Debajit
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          Dates:
            – D: 01
              M: 02
              Text: Feb2026
              Type: published
              Y: 2026
          Identifiers:
            – Type: issn-print
              Value: 02775387
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              Value: 284
          Titles:
            – TitleFull: Polyhedron
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