Rupam Sahoo, Bikram Pramanik, Supriya Mondal, Madhab C. Das

A Highly Chemically Robust 3D Interpenetrated MOF Heterogeneous Catalyst for the Synthesis of Hantzsch 1,4‐Dihydropyridines and Drug Molecules

  • Biomaterials
  • Biotechnology
  • General Materials Science
  • General Chemistry
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AbstractMetal–organic frameworks (MOFs) have attracted immense attention as efficient heterogeneous catalysts over other solid catalysts, however, their chemical environment instability often limits their catalytic potential. Herein, utilizing a flexible unexplored tetra‐acid ligand and employing the mixed ligand approach, a 3D interpenetrated robust framework is strategically developed, IITKGP‐51 (IITKGP stands for Indian Institute of Technology Kharagpur), which retained its crystallinity over a wide range of pH solution (4–12). Having ample open metal sites (OMSs), IITKGP‐51 is explored as a heterogeneous catalyst in one‐pot Hantzsch condensation reaction, with low catalyst loading for a broad range of substrates. The synthesis of drug molecules remains one of the most significant and emergent areas of organic and medicinal chemistry. Considering such practical utility, biologically important Nemadipine B and Nifedipine drug molecules (calcium channel protein inhibitor) are synthesized for the first time by using this catalyst and fully characterized via SC‐XRD and other spectroscopic methods. This report inaugurates the usage of a MOF material as a catalyst for the synthesis of drug molecules.

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