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Synthesis of chiral tripodal receptors under solvent-free conditions using microwave irradiation for investigation of anion and cation recognition properties
(Arkat, 2018) Kaplan, Şeref; Öztürk, Gülşen; Azizoğlu, Sevil Ş.; Toğrul, Mahmut
Amide based chiral tripodal receptor derivatives were synthesized under microwave irradiation in quite high yields (76%- 84%) and they were characterized by IR and 1D, 2D, 1H- and 13C-NMR spectroscopies. The recognition properties of these tripodal receptors towards some anions and organic ammonium salts were investigated by 1H-NMR titration in DMSO-d6. The tripodal (S)-phenyl receptor demonstrated a highly significant enantiomeric selectivity towards the (S)-(-)-1-phenyletylammonium perchlorate (ERF= 91.74 S).