Spherical anions induce the dimerization of calix[4]arene derivatives 3 and 4 bearing squaramide moieties at the exo rim (p-squaramidocalixarenes). 1H NMR titration experiments showed that unlike the distal isomer 3, proximal p-squaramidocalixarene 4 is also able to form dimeric complexes with trigonal-planar anions
Anion-induced dimerization in p‑squaramidocalix[4]arene derivatives
GAETA, CARMINE;TALOTTA, CARMEN;DELLA SALA, PAOLO;MARGARUCCI, LUIGI;CASAPULLO, Agostino;NERI, Placido
2014-01-01
Abstract
Spherical anions induce the dimerization of calix[4]arene derivatives 3 and 4 bearing squaramide moieties at the exo rim (p-squaramidocalixarenes). 1H NMR titration experiments showed that unlike the distal isomer 3, proximal p-squaramidocalixarene 4 is also able to form dimeric complexes with trigonal-planar anionsFile in questo prodotto:
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