Efficient One-Pot Solvent-Free Synthesis of 1H-Pyrazolo[1,2-b]phthalazine-5,10-diones Catalyzed by Sulfonic Acid Functionalized Nanoporous Silica (SBA-Pr-SO3H)
作者： Ghodsi Mohammadi Ziarani , Nina Hosseini Mohtasham , Alireza Badiei , Negar Lashgari
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摘要: A green protocol has been developed for the synthesis of 1H-pyrazolo[1,2-b]phthalazine-5,10-diones by one-pot cyclocondensation reaction phthalhydrazide, aromatic aldehydes, and malononitrile or ethyl cyanoacetate using sulfonic acid functionalized SBA-15 (SBA-Pr-SO3H) as a heterogeneous solid catalyst under solvent-free conditions.
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