Two mixtures of polyaminoazides were synthesized by a nucleophilic displacement strategy providing no separation of the components. The mixtures were adequately characterized by means of combined HR-ESIMS, FTIR and NMR techniques and, despite their complexity, they were successfully used to accomplish the subsequent preparation of pH-sensitive calixarene hyper-reticulated nanosponge materials. The desired responsivity to pH variations of the nanosponges obtained was verified by means of absorption tests on a set of organic pollutant model molecules.
Di Vincenzo, A., Palumbo Piccionello, A., Spinella, A., Chillura Martino, D., Russo, M., Lo Meo, P. (2019). Polyaminoazide mixtures for the synthesis of pH-responsive calixarene nanosponges. BEILSTEIN JOURNAL OF ORGANIC CHEMISTRY, 15, 633-641 [10.3762/bjoc.15.59].
Polyaminoazide mixtures for the synthesis of pH-responsive calixarene nanosponges
Di Vincenzo, Antonella;Palumbo Piccionello, Antonio;Spinella, Alberto;Chillura Martino, Delia;Russo, Marco;Lo Meo, Paolo
2019-01-01
Abstract
Two mixtures of polyaminoazides were synthesized by a nucleophilic displacement strategy providing no separation of the components. The mixtures were adequately characterized by means of combined HR-ESIMS, FTIR and NMR techniques and, despite their complexity, they were successfully used to accomplish the subsequent preparation of pH-sensitive calixarene hyper-reticulated nanosponge materials. The desired responsivity to pH variations of the nanosponges obtained was verified by means of absorption tests on a set of organic pollutant model molecules.
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