| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 5277827 | Tetrahedron Letters | 2008 | 5 Pages |
Abstract
A series of 2,3-dihydroquinazolin-4(1H)-ones and quinazolin-4(3H)-ones have been synthesized in good to excellent yields and high selectivity by one-pot reaction using isatoic anhydride, ammonium acetate (or amines), and aldehydes in ethanol or in DMSO under mild conditions, respectively. The reaction was efficiently promoted by 1 mol % Ga(OTf)3 and the catalyst could be recovered easily after the reactions and reused without evident loss of reactivity.
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