Magnesium/methanol: an effective reducing agent for chemoselective reduction of pyrimidine-2(1H)-ones
作者:Kamaljit Singh、Kawaljit Singh
DOI:10.1016/j.tetlet.2009.02.165
日期:2009.5
Magnesium in methanol is an effective reagent for the chemoselective reduction of pyrimidine-2(1H)-ones. Other reducible functionalities such as ester and alkene of enamine ester and uriedo carbonyl remain unaffected. This constitutes the first example of the formation of Biginelli 3,4-dihydropyrimidin-2(1H)ones through the reduction of pyrimidine-2(1H)-ones.
An Efficacious Protocol for the Oxidation of 3,4-Dihydropyrimidin-2(1H)-ones using Pyridinium Chlorochromate as Catalyst
作者:Kamaljit Singh、Kawaljit Singh
DOI:10.1071/ch07432
日期:——
4-Unsubstituted as well as 4,6-aryl/alkyl-3,4-dihydropyrimidin-2(1H)-ones were oxidized under neutral conditions using pyridinium chlorochromate to obtain the corresponding pyrimidin-2(1H)-ones in a synthetically useful manner.