Biginelli reaction catalyzed by elemental bromine as a novel Lewis acid catalyst, under mild conditions
Biginelli reaction catalyzed by elemental bromine as a novel Lewis acid catalyst, under mild conditions

Eskandar Kolvari; Ali Arab; Maryam Robati

Volume 2, Issue 8 , August 2020, , Pages 909-915

https://doi.org/10.22034/ecc.2020.110144

Abstract
  In the present study, we discussed that, the elemental bromine is a highly efficient and selective homogeneous Lewis acid catalyst for the synthesis of 3,4-dihydropyrimidin-2(1H)-ones. ...  Read More
The dual role of ammonium acetate as reagent and catalyst in the synthesis of 2, 4, 5-triaryl-1H-imidazoles
The dual role of ammonium acetate as reagent and catalyst in the synthesis of 2, 4, 5-triaryl-1H-imidazoles

Reza Tayebee; Ali Gohari

Volume 2, Issue 5 , May 2020, , Pages 581-586

https://doi.org/10.33945/SAMI/ECC.2020.5.3

Abstract
  The new findings concerning synthesis of some 2, 4, 5-triaryl-1H-imidazoles is disclosed in the absence of any catalyst. Results indicated that by enhancing the amount of ammonium acetate, ...  Read More