M'Hamed Kaid, Didier Villemin Momamed Amine Didi2013-02-262013-02-262013-02-26https://dspace.univ-tlemcen.dz/handle/112/1478The first part of this study includes the synthesis of four classes of phosphonic acids under microwave irradiations following either the michaelis-arbuzov or irani mechanismsknoevenagel reactionphosphonic acids, alumina