Preparation of Some Polyfunctional Indenes and Indanones: The Reaction of Mercapto-Substituted Cyclopropenium Salts with Alcohols and Thiols

Article abstract of DOI:10.1246/bcsj.64.3565

The reaction of 1-methylthio-, 1-(4-methylphenylthio)-, or 1-t-butylthio-2,3-diphenylcyclopropenium salts with alcohols, phenols, and thiols in the presence of triethylamine at around 80 deg C gave 1-indene-1-thiol derivatives in fair to moderate yields.I