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<p>A series of azo-linked pyrazolophthalazine-5,10-diones (APPDs) were synthesized via multicomponent reaction of phthalic anhydride, synthetized azo-aldehyde, malononitrile, and hydrazine hydrate using the gabapentin (GBP) functionalized silica coated Fe<sub>3</sub>O<sub>4</sub> magnetic nano composites (MT@SP@GBP MNCs) as a catalyst. All derivatives were characterized by FT-IR, <sup>1</sup>H NMR, <sup>13</sup>C NMR, and mass spectrometry. MT@SP@GBP MNCs was characterized by FT-IR, FE-SEM, TEM, TGA, XRD, EDX and VSM.</p>

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Preparation, characterization and application of MT@SP@GBP and their use for synthesis of novel pyrazolophthalazine-5,10-diones

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年10月9日

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  • Zahra Alizadeh,
  • Mohammad Nikpassand,
  • Masoud Mokhtary,
  • Leila Zare Fekri

摘要

A series of azo-linked pyrazolophthalazine-5,10-diones (APPDs) were synthesized via multicomponent reaction of phthalic anhydride, synthetized azo-aldehyde, malononitrile, and hydrazine hydrate using the gabapentin (GBP) functionalized silica coated Fe3O4 magnetic nano composites (MT@SP@GBP MNCs) as a catalyst. All derivatives were characterized by FT-IR, 1H NMR, 13C NMR, and mass spectrometry. MT@SP@GBP MNCs was characterized by FT-IR, FE-SEM, TEM, TGA, XRD, EDX and VSM.