Two procedures for the synthesis of a series of novel dicarboxylic acid functionalised aza-crown ethers from dicarboxylic acid anhydrides and 1,4,10,13-tetraoxa-7,16-diazacyclooctadecane are reported.
机构:
Department of Chemistry,Ferdowsi University of Mashhad,P.O.Box 91775-1436 Mashhad,IranDepartment of Chemistry,Ferdowsi University of Mashhad,P.O.Box 91775-1436 Mashhad,Iran