A G-quadruplex (G4) is a well-known nucleic acid secondary structure comprising guanine-
rich sequences, and has profound implications for various pharmacological and biological …

1. INTRODUCTION Bicyclic oxygen heterocycles resulting from fusion of benzene ring with
5, 6-positions of either 2H-or 4H-pyran ring system are designated as 2H-chromene (2H-1 …

Helicenes are polycyclic aromatic compounds with nonplanar screw-shaped skeletons
formed by ortho-fused benzene or other aromatic rings. 1, 2 The first helicenes 1 and 2 …

Carbohelicenes are a class of fascinating chiral helical molecules which have a rich history
in chemistry. Over a period of almost 100 years, chemists have developed many methods to …

In human cells, nucleic acids adopt several non-canonical structures that regulate key
cellular processes. Among them, G-quadruplexes (G4s) are stable structures that form in …

Conspectus G-quadruplexes (G4s) are distinctive four-stranded DNA or RNA structures
found within cells that are thought to play functional roles in gene regulation and …

The propeller-like conformation of tetraphenylethylene (TPE) with aggregation-induced
emission (AIE) effect was partially and completely fixed by intramolecular cyclization for the …

AG‐quadruplex is a nucleic acid secondary structure that is adopted by guanine‐rich
sequences, and is considered to be relevant in various pharmacological and biological …

Helicenes and helicene‐like molecules, usually containing multiple ortho‐fused aromatic
rings, possess unique helical chirality. These compounds have found a wide range of …

Herein, a nitrogen-embedded quintuple [7] helicene (N-Q7H) with an
azapentabenzocorannulene core, which can be considered to be a helicene …