%0 Journal Article %T Zr(HSO4)4: An Efficient Catalyst for the Synthesis of 3-(2'- Benzothiazolyl)-2,3-dihydroquinazolin- 4(1H)-ones %A Liqiang Wu %J Journal of Chemistry %D 2012 %I Hindawi Publishing Corporation %R 10.1155/2012/515029 %X A simple and efficient synthesis of 3-(2'-benzothiazolyl)-2,3-dihydro quinazolin-4(1H)- ones has been accomplished by the one-pot condensation of isatoic anhydride, aldehyde and 2-aminobenzothiazole under solvent-free conditions in the presence of Zr(HSO4)4. %U http://www.hindawi.com/journals/chem/2012/515029/