An efficient and chemoselective method for the oxidation of 1,4-dihydropyridines under mild and heterogeneous conditions

Citation
Ma. Zolfigol et al., An efficient and chemoselective method for the oxidation of 1,4-dihydropyridines under mild and heterogeneous conditions, J CHEM R-S, (4), 2000, pp. 167-169
Citations number
16
Categorie Soggetti
Chemistry
Journal title
JOURNAL OF CHEMICAL RESEARCH-S
ISSN journal
03082342 → ACNP
Issue
4
Year of publication
2000
Pages
167 - 169
Database
ISI
SICI code
0308-2342(200004):4<167:AEACMF>2.0.ZU;2-M
Abstract
A combination of inorganic acidic salts or oxalic acid dihydrate and sodium nitrate in the presence of wet SiO2 was used as an effective oxidising age nt for the oxidation of dihydropyridines to their corresponding pyridine de rivatives at 40-50 degrees C with excellent yields.