John Bergner
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View article: Fluoranthene-Containing Distorted Nanographenes Exhibiting Two-Photon Absorption Response
Fluoranthene-Containing Distorted Nanographenes Exhibiting Two-Photon Absorption Response Open
Two distorted nanographenes combining helicenes and a fluoranthene unit within their polycyclic scaffolds were synthesized. Their structural and electronic properties were elucidated by various spectroscopic methods, and the experimental d…
View article: Unveiling the Multielectron Acceptor Properties of π-Expanded Pyracylene: Reversible Boat to Chair Conversion
Unveiling the Multielectron Acceptor Properties of π-Expanded Pyracylene: Reversible Boat to Chair Conversion Open
In this work, the chemical reduction of a hybrid pyracylene-hexa-peri-hexabenzocoronene (HPH) nanographene was investigated with different alkali metals (Na, K, Rb) to reveal its remarkable multielectron acceptor abilities. The UV-vis and …
View article: A Conformationally Stable π‐Expanded X‐Type Double Helicene Comprising Dihydropyracylene Units with Multistage Redox Behavior
A Conformationally Stable π‐Expanded X‐Type Double Helicene Comprising Dihydropyracylene Units with Multistage Redox Behavior Open
A π‐expanded X‐type double [5]helicene comprising dihydropyracylene moieties was synthesized from commercially available acenaphthene. X‐ray crystallographic analysis revealed the unique highly twisted structure of the compound resulting i…
View article: CCDC 2288777: Experimental Crystal Structure Determination
CCDC 2288777: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2288772: Experimental Crystal Structure Determination
CCDC 2288772: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2288778: Experimental Crystal Structure Determination
CCDC 2288778: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2288771: Experimental Crystal Structure Determination
CCDC 2288771: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2288779: Experimental Crystal Structure Determination
CCDC 2288779: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2288776: Experimental Crystal Structure Determination
CCDC 2288776: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2288773: Experimental Crystal Structure Determination
CCDC 2288773: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2288775: Experimental Crystal Structure Determination
CCDC 2288775: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2288774: Experimental Crystal Structure Determination
CCDC 2288774: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2170908: Experimental Crystal Structure Determination
CCDC 2170908: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2170907: Experimental Crystal Structure Determination
CCDC 2170907: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2165129: Experimental Crystal Structure Determination
CCDC 2165129: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2165131: Experimental Crystal Structure Determination
CCDC 2165131: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2165132: Experimental Crystal Structure Determination
CCDC 2165132: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2165133: Experimental Crystal Structure Determination
CCDC 2165133: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2165130: Experimental Crystal Structure Determination
CCDC 2165130: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: A Symmetrically π‐Expanded Carbazole Incorporating Fluoranthene Moieties
A Symmetrically π‐Expanded Carbazole Incorporating Fluoranthene Moieties Open
A novel doubly cyclopentannulated carbazole which is accessible through a successive π‐expansion of di(1‐naphthylamine) is disclosed. The carbazole moiety is generated in the final step through intramolecular oxidative coupling. The π‐expa…
View article: Inducing Curvature to Pyracylene upon π‐Expansion
Inducing Curvature to Pyracylene upon π‐Expansion Open
We disclose a successive π‐expansion of pyracylene towards boat‐shaped polycyclic scaffolds. The unique structural features of the resulting compounds were revealed by X‐ray crystallographic analysis. Depending on the extent of π‐expansion…
View article: Reduction of π‐Expanded Cyclooctatetraene with Lithium: Stabilization of the Tetra‐Anion through Internal Li<sup>+</sup> Coordination
Reduction of π‐Expanded Cyclooctatetraene with Lithium: Stabilization of the Tetra‐Anion through Internal Li<sup>+</sup> Coordination Open
The chemical reduction of a π‐expanded polycyclic framework comprising a cyclooctatetraene moiety, octaphenyltetrabenzocyclooctatetraene, with lithium metal readily affords the corresponding tetra‐anion instead of the expected aromatic dia…
View article: Reduction of π‐Expanded Cyclooctatetraene with Lithium: Stabilization of the Tetra‐Anion through Internal Li<sup>+</sup> Coordination
Reduction of π‐Expanded Cyclooctatetraene with Lithium: Stabilization of the Tetra‐Anion through Internal Li<sup>+</sup> Coordination Open
The chemical reduction of a π‐expanded polycyclic framework comprising a cyclooctatetraene moiety, octaphenyltetrabenzocyclooctatetraene, with lithium metal readily affords the corresponding tetra‐anion instead of the expected aromatic dia…