6533b872fe1ef96bd12d2d68

RESEARCH PRODUCT

Doubly charged ions of bridged [4n] annulenes. An evaluation of diatropic ring current effects.

Olof WennerströmEmanuel VogelThomas MeulHans SchmicklerKlaus MüllenUlf Kürschner

subject

CrystallographyChemistryStereochemistryOrganic ChemistryDrug DiscoveryIonic bondingElectronic structureNuclear magnetic resonance spectroscopyAnnuleneBiochemistryRing currentIonDication

description

Abstract [4n]Annulenes are transformed into doubly charged ions (dianion, dication) and characterized NMR spectroscopically. The diatropic character of the ionic (4n+2)π-systems is studied as a function of the number of π-electrons.

https://doi.org/10.1016/s0040-4039(00)98626-x