Author/Authors :
Garozzo، نويسنده , , Domenico and Gattuso، نويسنده , , Giuseppe and Kohnke، نويسنده , , Franz H. and Malvagna، نويسنده , , Paola and Notti، نويسنده , , Anna and Occhipinti، نويسنده , , Salvatore and Pappalardo، نويسنده , , Sebastiano and Parisi، نويسنده , , Melchiorre F. and Pisagatti، نويسنده , , Ilenia، نويسنده ,
Abstract :
Novel dimeric capsules are generated from the non-covalent assembly of cone calix[5]arenes and alkyldiammonium ions [H3N-(CH2)n-NH3]2+ featuring an appropriate length of the spacer joining the two charged end groups. 1H NMR spectroscopy and electrospray ionisation mass spectrometry provide evidence that in the capsule a single ditopic guest holds together a pair of calix[5]arene units, which are oriented rim-to-rim to form a closed cavity encapsulating the shape-complementary dication.
Keywords :
Capsules , Calixarenes , alkylammonium ions , diammonium ions , Electrospray ionisation , Inclusion complexes
