%0 Journal Article %T Synthesis of Naphthopyranopyrimidines Using Formic Acid as an Effective Catalyst under Solvent-free Conditions %J Organic Chemistry Research %I Iranian Chemical Society %Z 2383-242X %A Noori Sadeh, Fatemeh %A Lashkari, Mojtaba %A Hazeri, Nourallah %A Maghsoodlou, Malek Taher %D 2018 %\ 06/01/2018 %V 4 %N 2 %P 124-130 %! Synthesis of Naphthopyranopyrimidines Using Formic Acid as an Effective Catalyst under Solvent-free Conditions %K Naphtho[1′ %K 2′:5 %K 6]pyrano[2 %K 3-d]pyrimidine %K Aldehyde %K β-Naphthol %K 6-Amino-1 %K 3-dimethyl uracil %K Formic acid %R 10.22036/org.chem.2018.118977.1127 %X An environmentally friendly, one-pot, three-component synthesis of 8,10-dimethyl-12-aryl-12H-naphtho[1′,2′:5,6]pyrano[2,3-d]pyrimidine-9,11-diones was achieved via coupling aromatic of aldehydes, β-naphthol and 6-amino-1,3-dimethyl uracil in the presence of formic acid as a catalyst under solvent-free conditions at 90 °C. This method has several advantages, such as efficiency, good yield, short reaction time, cleaner reaction profiles, ease of product isolation, operational simplicity and inexpensive, effective and catalyst. %U https://www.orgchemres.org/article_63248_5aed1b63a555d775861591a33de33010.pdf