Related Experiment Video
Updated: Nov 29, 2025
08:18
Microscopic Visualization of Porous Nanographenes Synthesized through a Combination of Solution and On-Surface Chemistry
Published on: March 4, 2021
2.0K
Pyridinic Nanographenes by Novel Precursor Design
David Reger1, Kilian Schöll1, Frank Hampel1
1Department of Chemistry and Pharmacy &, Interdisciplinary Center for Molecular Materials (ICMM), Friedrich-Alexander-University Erlangen-Nuremberg, Nikolaus-Fiebiger-Strasse 10, 91058, Erlangen, Germany.
Chemistry (Weinheim an Der Bergstrasse, Germany)
|November 23, 2020
Summary
Researchers synthesized novel pyridine analogues of hexa-peri-hexabenzocoronene (superpyridines) using a new precursor method. This approach overcomes challenges in forming C-C bonds, enabling pyridine chemistry in nanographenes.
Area of Science:
- Organic Chemistry
- Materials Science
- Nanotechnology
Background:
- Hexa-peri-hexabenzocoronene (HBC) derivatives are important nanographenes.
- Synthesizing functionalized nanographenes with pyridine units is challenging.
- Existing methods struggle with forming key C-C bonds in such structures.
Purpose of the Study:
- To develop a novel solution-synthesis for pyridine analogues of HBC, termed superpyridines.
- To overcome synthetic difficulties in forming C-C bonds at otherwise unreactive positions.
- To demonstrate the applicability of pyridine chemistry to these extended π-systems.
Main Methods:
- Novel precursor design for targeted C-C bond formation.
- Solution-phase synthesis of pyridine-fused nanographene structures.
- Characterization of synthesized superpyridine compounds.
Main Results:
- Successful synthesis of pyridine analogues of HBC (superpyridines) via a novel precursor strategy.
- Demonstration of pre-forming otherwise unreactive C-C bonds.
- Established applicability of pyridine chemistry (oxidation, N-alkylation, metal-coordination) to the π-extended analogue.
Conclusions:
- A new synthetic route has been established for pyridine-based nanographenes.
- This method facilitates the pyridine chemistry of nanographenes.
- The developed superpyridines offer a new platform for exploring nanographene chemistry.
