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Etude de la réactivité des acides (méth)acryliques et O,O-diéthyldithiophosphorique sur des systèmes éthyléniques : synthèse de monomères (méth)acryliques et O,O,S-trialkylthionophosphates

Abstract : The reactivity of (meth)acrylic and O,O-diethyldithiophosphoric acids towards different ethylenic systems has been investigated. This has permitted the synthesis of various (meth)acrylic monomers and O,O,S-trialkylthionophosphates. On the other side, the preparation of functionnalised (meth)acrylates has been carried out by the transesterification method. These different synthesis rest first and foremost, on the preparation of starting containing sulfur and/or oxygen. In this way, various alcohols, chlorides, and ethylenic compounds have been synthetized. The study concerning the reactivity of (meth)acrylic acid towards unsatured derivates were essentially effectued in view of a good production of acrylic esters. This has permitted on the one hand, the perfecting of a new method of preparation of (meth)acrylates, and on the other, a better approach of another technique, know as an industrial method of production of these adducts. The addition of O,O-diethyldithiophosphoric acid to various ethylenic compounds has allowed to prove the influence of an heteroatom in this type of reaction and to have a better apprehension of mechanism of attack of the ditiophosphoric acid. This general type of reaction has been of interest for our work in the preparation of a variety of functionnalised O,O,S-trialkylthionophosphates ; important as oil additives and insecticides. One publication has been registered and four others are at present time being studied
Mots-clés : Acrylique Acide Alcènes
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Jean-Michel Ndong Mebah. Etude de la réactivité des acides (méth)acryliques et O,O-diéthyldithiophosphorique sur des systèmes éthyléniques : synthèse de monomères (méth)acryliques et O,O,S-trialkylthionophosphates. Autre. Université Paul Verlaine - Metz, 1992. Français. ⟨NNT : 1992METZ037S⟩. ⟨tel-01776002⟩

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