Revisiting indeno[1,2-<i>b</i>]fluorene by steric promoted synthesis while isolating the second stable 4nπ indeno[2,1-<i>a</i>]fluorene
Himanshu Sharma, Nikhil Bhardwaj, Soumyajit Das
Abstract
]IF motifs, respectively. The different ground state antiaromaticity of 5 and 6 was explained by Gimarc's approach for topological charge destabilization. The electronic properties of unsymmetrical IFs 2-5 mostly lie midway between 1 and its other known symmetrical counterparts.
Topics & Concepts
FluoreneChemistryAntiaromaticitySteric effectsGround stateStereochemistryCharacterization (materials science)CrystallographyMoleculeNanotechnologyOrganic chemistryAromaticityPolymerAtomic physicsPhysicsMaterials scienceSynthesis and Properties of Aromatic CompoundsOrganic Chemistry Cycloaddition ReactionsFullerene Chemistry and Applications