After a 5-year gestation, we can finally let chemists know what happens when you fuse donor/acceptor groups to s-indacene. This was a beast of a manuscript, with Bella doing 85% of the work. The 4 isomers would be impossible to make if they were acenes!
onlinelibrary.wiley.com/doi/epdf/10.... #PiSky

Organohelium chemistry.

ref: J. Am. Chem. Soc. 1988, 110, 4, 1298–1299

#chemsky ⚗️🧪

pubs.acs.org/doi/pdf/10.1...