Synthesis and X‑ray Structures of Bis-Functional Resorcinarene Crown Ethers.

ABSTRACT: Two resorcin[4]-arene-crowns were synthesized with crown ether substituents as the lower rim functionalities, with either the Crown-6 (TRC6) or Crown-7 (TRC7) moieties being incorporated. X-ray crystallographic data show that both molecules prefer the boat conformation in the solid state. The crown ethers were observed in an askew anti-arrangement in TRC6 and a syn-arrangement in TRC7. TRC6 crystallized with four DMF and four H₂O molecules. Two of the DMF solvent molecules are hydrogen bonded to the resorcinolic OHs, and the other two are entrapped as a dimer between two ether moieties from adjacent TRC6 molecules. In TRC7, four intramolecular hydrogen bonds from the same resorcinol OH group to the crown ether oxygen

SUBMITTER: Osei FB 

PROVIDER: S-EPMC12272548 | biostudies-literature | 2025 Jul

REPOSITORIES: biostudies-literature