Laser-induced dealkylation of calix[4]arene-crown-6 ethers

Ck. Jankowski (1) , C. Moulin (1) , C. Hocquelet (2) , S. Arseneau , L. Mauclaire (2)

1 CEA-DES (ex-DEN) - CEA-Direction des Energies (ex-Direction de l'Energie Nucléaire)
2 DRECAM - Département de Recherche sur l'Etat Condensé, les Atomes et les Molécules

Selective dealkylation of dialkyl calix(4)arene monocrown-6 and calix(4)arene biscrown-6 was achieved using laser irradiation. The resulting phenolic compounds structures,studied by NMR (1H and 13C) and ESI-MS (Cs+ spiking), probably originated from theirpartial photo-Claisen rearrangement.

Mots clés: Calixarene; / degradation; / cesium; / photochimie

Domaines: Physique Nucléaire Expérimentale [nucl-ex]; Physique Nucléaire Théorique [nucl-th]

Ck. Jankowski, C. Moulin, C. Hocquelet, S. Arseneau, L. Mauclaire. Laser-induced dealkylation of calix[4]arene-crown-6 ethers. Journal of Photochemistry and Photobiology A: Chemistry, 2006, ⟨10.1016/j.jphotochem.2006.04.018⟩. ⟨cea-02356019⟩