TY - EJOUR AU - Sadeghi, Bahareh AU - Rad, Maryam Ghorbani PY - 2024 DA - February TI - Synthesis of 4,4´-(Arylmethylene)bis(1H-pyrazol-5-ols) catalyzed by nanosilica supported perchloric acid in water T2 - Iranian Journal of Catalysis VL - 4 L1 - https://oiccpress.com/iranian-journal-of-catalysis/article/synthesis-of-44-arylmethylenebis1h-pyrazol-5-ols-catalyzed-by-nanosilica-supported-perchloric-acid-in-water/ N2 - Reaction between aromatic aldehydes and 3–methyl-1-phenyl-2-pyrazoline-5-one catalyzed by nano-SiO2/HClO4 in water under reflux provided a simple and efficient route for the synthesis of 4-((5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)(aryl)methyl)-3-methyl-1-phenyl-1H-pyrazol-5-ol derivatives in high yields. IS - 2 PB - OICC Press KW - Aromatic aldehydes, Water, Nano-SiO2/HClO4, 3–Methyl-1-phenyl-2-pyrazoline-5-one EN -