Journal2010
Metal-Free Oxidation of Urazole and 1,4-Dihydropyridine Derivatives Under Mild and Heterogeneous Conditions by Nitro Urea, Derived from Urea Nitrate, and Silica Sulfuric Acid
Letters in Organic Chemistry Vol. 7, No. 3, 249–254
چکیده
Mild combination of nitro urea, derived from urea nitrate, and silica sulfuric acid (SiO2OSO3H) might act as an efficient oxidizing media, which could be able to oxidize different types of heterocyclic compounds including urazoles and 1,4-dihydropyridines. The process presented here is operationally simple, environmentally benign, and reactions have been mildly carried out in dichloromethane at room temperature. Keywords: Urazole, 1,4-dihydropyridine, urea nitrate, nitro urea, silica sulfuric acid
موضوعات و کلیدواژهها
Chemical Synthesis and ReactionsSynthesis and Biological EvaluationChemical Reaction MechanismsChemistryUreaSulfuric acidOxidizing agentNitroNitrateDichloromethaneInorganic chemistryDihydropyridineOrganic chemistryAlkylSolventCalcium
ارجاع علمی
Arash Ghorbani‐Choghamarani, Mohammad Ali Zolfigol, Maryam Hajjami, Shahrbanoo Rastgoo, Shadpour Mallakpour. “Metal-Free Oxidation of Urazole and 1,4-Dihydropyridine Derivatives Under Mild and Heterogeneous Conditions by Nitro Urea, Derived from Urea Nitrate, and Silica Sulfuric Acid.” Letters in Organic Chemistry, 2010. https://doi.org/10.2174/157017810791112450