South African Journal of Chemistry
On-line version ISSN 1996-840X
MADJE, Balaji R.; UBALE, Milind B.; BHARAD, Jagdish V. and SHINGARE, Murlidhar S.. Alum an efficient catalyst for Erlenmeyer synthesis. S.Afr.j.chem. (Online) [online]. 2010, vol.63, pp. 158-161. ISSN 1996-840X.
A new and efficient method to synthesize azlactone derivatives using alum as catalyst was performed in the absence of additional solvent. This method is environmentally friendly and affords the product azlactones in high yields after simple workup.
Keywords : Alum; solvent free; azlactone; Erlenmeyer reaction; condensation reaction.