Synthesis of a water-soluble naphthalene-based macrocycle and its host-guest properties.

Reported here is the synthesis of a naphthalene-based macrocycle bearing anionic carboxylato groups on the rims along with its complexation with cationic guests in aqueous media. The macrocycle could strongly bind guests in a molecular clip model with association constants of 10-10 M.

Anion- and Solvent-Induced Single-Crystal-to-Single-Crystal Transformation within an Iron(II) Triazole System: a Promising Luminescent Probe for CrO and Cyano-Containing Molecules.

Anion- and solvent-induced single-crystal-to-single-crystal transformation within an iron(II) triazole system has been generated from {[Fe(TPPT)Cl]·CHCl} (1a) to [Fe(TPPT)(CO)Cl(HO)] (1b). Luminescence studies indicated that the resultant 1b can be considered as a promising luminescent probe for CrO and cyano molecules.