view:41443 Last Update: 2024-1-30
Ali Ramazani; Ali Morsali; Bijan Ganjeie; Ali Reza Kazemizadeh; Ebrahim Ahmadi
One-Pot Stereoselective Synthesis of Alkyl Z-2-[2-Amino-4-oxo-1,3-selenazol-5(4H)-yliden] Acetates |
Selenourea reacts with dialkyl acetylenedicarboxylates in acetone to form 1:1 adducts, which undergo a cyclization reaction to produce alkyl Z-2-(2-amino-4-oxo-1,3-selenazol-5(4H)-yliden) acetates in fairly good yields. The reaction is completely stereoselective. |