Electronic control of the Scholl reaction: selective synthesis of spiro vs helical nanographenes

P Izquierdo‐García… - Angewandte Chemie …, 2023 - Wiley Online Library
Scholl oxidation has become an essential reaction in the bottom‐up synthesis of molecular
nanographenes. Herein, we describe a Scholl reaction controlled by the electronic effects on …

Curved graphene nanoribbons derived from tetrahydropyrene-based polyphenylenes via one-pot K-region oxidation and Scholl cyclization

S Obermann, W Zheng, J Melidonie, S Böckmann… - Chemical …, 2023 - pubs.rsc.org
Precise synthesis of graphene nanoribbons (GNRs) is of great interest to chemists and
materials scientists because of their unique opto-electronic properties and potential …

Isomer Effect on Energy Storage of π‐Extended S‐Shaped Double [6] Heterohelicene

V Kumar, HJ Bharathkumar, SD Dongre… - Angewandte …, 2023 - Wiley Online Library
Recently, chiral and nonplanar cutouts of graphene have been the favorites due to their
unique optical, electronic, and redox properties and high solubility compared with their …

Twisted polycyclic arenes from tetranaphthyldiphenylbenzenes by controlling the Scholl reaction with substituents

Y Yang, L Yuan, B Shan, Z Liu… - Chemistry–A European …, 2016 - Wiley Online Library
Herein, we report two new types of twisted polycyclic arenes (2 a, b and 3 a, b) with
constitutionally isomeric π‐backbones, which are synthesized by controlling the Scholl …

Electronic communication across porphyrin hexabenzocoronene isomers

MM Martin, D Lungerich, P Haines… - Angewandte Chemie …, 2019 - Wiley Online Library
Single‐molecule electronic components (SMECs) are envisioned as next‐generation
building blocks in quantum circuit systems. However, challenges such as the reproducibility …

Synthesis of octaaryl naphthalenes and anthracenes with different substituents

S Suzuki, K Itami, J Yamaguchi - Angewandte Chemie, 2017 - Wiley Online Library
A synthesis of multiply arylated naphthalenes and anthracenes with eight different
substituents has been accomplished. The key intermediates are tetraarylthiophene S …

Pyridinic Nanographenes by Novel Precursor Design

D Reger, K Schöll, F Hampel, H Maid… - Chemistry–A European …, 2021 - Wiley Online Library
In this work we present the solution‐synthesis of pyridine analogues to hexa‐peri‐
hexabenzocoronene (HBC)—which might be called superpyridines—via a novel precursor …

Three short stories about hexaarylbenzene–porphyrin scaffolds

D Lungerich, JF Hitzenberger… - … A European Journal, 2016 - Wiley Online Library
A feasible two‐step synthesis and characterization of a full series of hexaarylbenzene (HAB)
substituted porphyrins and tetrabenzoporphyrins is presented. Key steps represent the …

A comprehensive study on tetraaryltetrabenzoporphyrins

M Ruppel, D Lungerich, S Sturm… - … A European Journal, 2020 - Wiley Online Library
Tetraaryltetrabenzoporphyrins (TATBPs) show, due to their optoelectronic properties, rising
potential as dyes in various fields of physical and biomedical sciences. However, unlike in …

Four‐Step Domino Reaction Enables Fully Controlled Non‐Statistical Synthesis of Hexaarylbenzene with Six Different Aryl Groups

BW Grau, M Dill, F Hampel, A Kahnt, N Jux… - Angewandte …, 2021 - Wiley Online Library
Hexaarylbenzene (HAB) derivatives are versatile aromatic systems playing a significant role
as chromophores, liquid crystalline materials, molecular receptors, molecular‐scale devices …