SYNTHESIS OF CHIRAL SPIRODIAZAFLUORENES
DOI:
https://doi.org/10.1007/5857Keywords:
chiral bipyridyls, chiral pyridines, diazafluorenes, spiro compounds, terpenes, chirality, donor-acceptor systems, electrophilic alkylation.Abstract
Reactions of chiral nopinane-annulated diazafluorenone with substituted phenols and naphthols by the action of trifluoromethanesulfonic acid led to spiro products. The structure of the resorcinol derivative was confirmed by X-ray structural analysis.