List of Articles Sulfamic acid

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  1 - Sulfamic acid: A green and efficient catalyst for synthesis of mono-, bis-, and spiro- perimidines
  Mohamad Ali Bodaghifard Najmieh Ahadi
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  2 - Alkanedisulfamic acid functionalized silica-coated magnetic nanoparticles as a reusable efficient nanocatalyst for synthesis of gem-dihydroperoxides and 1,2,4,5-tetraoxanes
  Kaveh Khosravi Ali Reza Karimi Shirin Naserifar
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  3 - Synthesis of 4,4′-(arylmethylene)bis(1H-pyrazol-5-ols) via multi-component reactions by using silica-bonded sulfamic acid derivatives
  Shekoofeh Tayebi Khodabakhsh Niknam
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  4 - Silica-bonded n-propyldiethylenetriamine sulfamic acid as a recyclable solid acid catalyst for the synthesis of coumarin and biscoumarin derivatives
  Khodabakhsh Niknam Seyed Ahmad Sajadi Roghayeh Hosseini Mojtaba Baghernejad
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  5 - Synthesis of sulfamic acid functionalized-magnetic nanoparticles and application as a retrievable and efficient catalyst for the green synthesis of 1,4-dihydropyridine and 2,3-dihydroquinazoline derivatives
  محمد علی بداغی فرد الهام علیمحمدی
  1,4-Dihydropyridines and 2,3-dihydroquinazolines are heterocyclic compounds that have pharmacological and biological properties and most of their derivatives are produced in pharmaceutical industries. In this study preparation of bissulfamic acid-grafted on silica-coate More

  1,4-Dihydropyridines and 2,3-dihydroquinazolines are heterocyclic compounds that have pharmacological and biological properties and most of their derivatives are produced in pharmaceutical industries. In this study preparation of bissulfamic acid-grafted on silica-coated nano-Fe3O4 particles (MNPs-TBSA), and their application as a retrievable heterogeneous acidic catalyst for the green synthesis of 1,4-Dihydropyridines and 2,3-dihydroquinazolines is probed. This nanocatalyst is easily separated from the reaction mixture with the assistance of an external magnetic field and reuse for several runs without deterioration in catalytic activity. The morphology, structure, and size of magnetic nanoparticles were characterized via SEM, XRD, EDS, FT-IR and TGA/DTA. Eco-friendly and non-toxic condition, high yield and purity of the desired products, short reaction time along with the ease of the workup procedure outline the advantages of these new methodologies over the earlier ones. Manuscript profile