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Synthesis of new tren-based tris-macrocycles. Anion cluster assembling inside the cavity generated by a bowl-shaped
Carla Bazzicalupi1, Andrea Bencini, Emanuela Berni
1Dipartimento di Chimica, Polo Scientifico, Università di Firenze, Via della Lastruccia 3, 50019 Sesto Fiorentino, Italy.
The Journal of Organic Chemistry
|December 7, 2002
Abstract:
The synthesis of three new tris-macrocycles, containing three [12]aneN(4) (L1), [12]aneN(3)O (L2), or [14]aneN(4) (L3) moieties appended to a tren unit, is reported. The crystal structure of the [(Na(ClO(4))(6)) subset L1(2)H(13)]Na(6)Cl(2)(ClO(4))(12) compound shows the anionic cluster [Na(ClO(4))(6)](5)(-) assembled inside the cavity defined by two bowl-shaped polyammonium receptors, held by multiple charge-charge and hydrogen bond interactions.