@article{
  author = {Ezabadi, Ali, Tosan, Fatemeh},
  title = {Novel procedure for preparation of Hantzsch 1, 4- dihydropyridines using PEG-400 as a reaction medium and under catalyst-free condition},
  journal = {Journal of Chemical Reactivity and Synthesis},
  year = {2015},
  volume = {5},
  number = {2},
  pages = {18-23},
  doi = {}
}