%0 Journal Article %T Nanomagnetically modified polyphosphoric acid (NiFe2O4@SiO2–PPA): an efficient, fast, and reusable catalyst for the synthesis of 2-thioxoquinazolinones under solvent-free conditions %A Eshghi, Hossein %A A. Khojastehnezhad %A Farid Moeinpour %A Bakavoli, Mehdi %A N. Zeinabi %A S. Allameh %J Research on Chemical Intermediates %@ 0922-6168 %D 2015