Cis‐5,15‐bis(3,5‐trifluorometylphenyl)calix[4]pyrrole (1) forms stable 1/1 complexes with linear anions such as N3‐, SCN‑ and NCO‑ with the highest affinity for NCO‐ anion in acetonitrile solution. Crystallization of receptor 1 with… Click to show full abstract
Cis‐5,15‐bis(3,5‐trifluorometylphenyl)calix[4]pyrrole (1) forms stable 1/1 complexes with linear anions such as N3‐, SCN‑ and NCO‑ with the highest affinity for NCO‐ anion in acetonitrile solution. Crystallization of receptor 1 with TBASCN and (TMA)2SO4 resulted in the formation of dimeric capsular assembly, {(TMA)2[12•(SCN)2]}, in which two thiocyanate anions are encapsulated. On the other hand, 1•OCN(TMA) and 1•N3(TMA) complexes form one dimensional columnar structure in the solid state.
Journal Title: European Journal of Organic Chemistry
Year Published: 2024
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