Ali Reza Kiasat,a* Foad Kazemib and Mehdi Fallah Mehrjardia aChemistry Department, College of Science, Shahid Chamran University, Ahvaz 61357-4-3169, Iran bInstitute for Advanced Studies in Basic Sciences (IASBS), Zanjan 45195, Iran ... An efficient and simple procedure for conversion of different classes of aldehydes and ketones into the corresponding semicarbazones with semicarbazide hydrochloride using basic alumina is studied. ... Keywords: Carbonyl; Aldehyde; Ketone; ...