Carboxylate, phosphate and sulphate anions form hydrogen bonded complexes with the B(OH)2 group of the receptor 1 producing a turn-off fluorescence response, while the malonate monoanion induces the opposite turn-on… Click to show full abstract
Carboxylate, phosphate and sulphate anions form hydrogen bonded complexes with the B(OH)2 group of the receptor 1 producing a turn-off fluorescence response, while the malonate monoanion induces the opposite turn-on effect.
               
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