New applications of phosphoric acid supported on alumina (H3PO4–Al2O3) as a reusable heterogeneous catalyst for preparation of 2,3-dihydroquinazoline-4(1H)-ones, 2H-indazolo[2,1-b]phthalazinetriones, and benzo[4,5]imidazo[1,2-a]pyrimidines

Synthesis of 2,3-Dihydroquinazolin-4(1H)-ones by Three-Component Coupling of Isatoic Anhydride, Amines, and Aldehydes Catalyzed by Magnetic Fe3O4Nanoparticles in Water

(2010) Zhan-Hui Zhang et al.   JOURNAL OF COMBINATORIAL CHEMISTRY

One-pot, three-component synthesis of 2,3-dihydroquinazolin-4(1H)-ones using p-toluenesulfonic acid–paraformaldehyde copolymer as an efficient and reusable catalyst

(2010) Ali Saffar-Teluri et al.   MONATSHEFTE FUR CHEMIE

Synthesis of 2,3-Dihydroquinazoline-4(1H)-ones

(2010) Hamid Reza Shaterian et al.   SYNTHETIC COMMUNICATIONS

Efficient one-pot syntheses of 2H-indazolo[2,1-b] phthalazine-triones by catalytic H2SO4 in water–ethanol or ionic liquid

(2009) Jitender M. Khurana et al.   TETRAHEDRON LETTERS

One-pot Three-component Solvent-free Synthesis of Benzo[4,5]imidazo[1,2-a]pyrimidine Derivatives Catalyzed by Sulfamic Acid

(2008) Chang-Sheng YAO et al.   CHINESE JOURNAL OF CHEMISTRY

Ionic liquid promoted synthesis of 3-(2′-benzothiazolo)-2,3-dihydroquinazolin-4(1H)-ones

(2008) Ahmad Shaabani et al.   COMPTES RENDUS CHIMIE

A novel catalyst zinc(II) perfluorooctanoate [Zn(PFO)2]-catalyzed three-component one-pot reaction: Synthesis of quinazolinone derivatives in aqueous micellar media

(2008) Li-Min Wang et al.   JOURNAL OF FLUORINE CHEMISTRY

One-pot, three-component route to 2H-indazolo[2,1-b]phthalazine-triones

(2008) Maryam Sayyafi et al.   TETRAHEDRON

Gallium(III) triflate-catalyzed one-pot selective synthesis of 2,3-dihydroquinazolin-4(1H)-ones and quinazolin-4(3H)-ones

(2008) Jiuxi Chen et al.   TETRAHEDRON LETTERS

Silica sulfuric acid: An efficient reusable heterogeneous catalyst for the synthesis of 2,3-dihydroquinazolin-4(1H)-ones in water and under solvent-free conditions

(2007) Minoo Dabiri et al.   CATALYSIS COMMUNICATIONS

Silica supported perchloric acid (HClO4–SiO2): an efficient and recyclable heterogeneous catalyst for the one-pot synthesis of amidoalkyl naphthols

(2007) Hamid Reza Shaterian et al.   TETRAHEDRON