Introducing main group elements into neutral and charged cyclobutadienes enables the fine-tuning of their stability and electronic structures by disrupting their aromatic and antiaromatic character. Here, the authors report the isolation and characterization of a 4π-electron tetrasilacyclobutadiene, an analogue of a 4π neutral cyclobutadiene that exhibits features of a Möbius-type aromatic ring.
- Mohd Nazish
- Tim Patten
- Herbert W. Roesky
