title: ZrOCl2/nano TiO2 as an Efficient Catalyst for the One Pot Synthesis of Naphthopyranopyrimidines Under Solvent-free Conditions.
abstract: ZrOCl(2)/nano-TiO(2) has been used as an efficient catalyst for the preparation of naphtho[1',2':5,6]pyrano[2,3-d]pyrimidine derivatives by the three-component reaction of aldehydes, β-naphthol and 1,3-dimethylbarbituric acid. The advantages of the reaction are solvent-free conditions, short reaction times, easy workup, good to excellent yields, and cost-effective and reusable catalyst.
authors.forename: Mahboubeh
authors.initials: M
authors.lastname: Mohaqeq
authors.forename: Javad
authors.initials: J
authors.lastname: Safaei-Ghomi
authors.forename: Hossein
authors.initials: H
authors.lastname: Shahbazi-Alavi
mesh_terms: D002384:Catalysis; D011743:Pyrimidines / Q000138:chemical synthesis* / Q000737:chemistry; D012997:Solvents; D014025:Titanium / Q000737:chemistry*; D014961:X-Ray Diffraction; D015040:Zirconium / Q000737:chemistry*
chemical_list: D011743:Pyrimidines; D012997:Solvents; C009495:titanium dioxide; D015040:Zirconium; D014025:Titanium; C026090:zirconium oxychloride