%0 Journal Article %T An Efficient Green Synthetic Approach to the Synthesis of 4H‐Chromene Compounds under Solvent‐free Conditions %A Zaki, Remon M. %A Metwally, Saoud A. %A Elossaily, Yasser A. %A Gaber, Taher A. %J Journal of Heterocyclic Chemistry %V 55 %N 10 %P 2417-2426 %@ 0022-152X %D 2018-10-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve