The synthesis ot macrocyclic tetraphosporus compounds, constitute the primary objetive of this works. The reactivity of these compounds and study ot their complexing ability are also described. In this review is presented an overview of the state of the researsh in this area.

Triénamines acycliques a conjugaison Croisée donnent lieu a des réactions électrocycliques par thermolyse classique en phase gazeose. Diénamines cycliques a conjugaison croisée sont obtenus avec d'excellents rendements.

The synthesis ot macrocyclic tetraphosporus compounds, constitute the primary objetive of this works. The reactivity of these compounds and study ot their complexing ability are also described. In this review is presented an overview of the state of the researsh in this area.

Triénamines acycliques a conjugaison Croisée donnent lieu a des réactions électrocycliques par thermolyse classique en phase gazeose. Diénamines cycliques a conjugaison croisée sont obtenus avec d'excellents rendements.

The tetraphosphorus ligands, potential complexing agents for radioactive nucleides and alkali metals cations, constitute the essential objective of this work. The study of their complexing ability of these tetraphosphorus ligands are described.

The tetraphosphorus ligands, potential complexing agents for radioactive nucleides and alkali metals cations, constitute the essential objective of this work. The study of their complexing ability of these tetraphosphorus ligands are described.