98627-38-4Relevant articles and documents
ANHYDROUS FERRIC CHLORIDE DISPERSED ON SILICA GEL INDUCED RING ENLARGEMENT OF TERTIARY CYCLOALKANOLS II: A CONVENIENT HOMOLOGATION OF CYCLOALKANONES, PREPARATION OF SPIRO SYSTEMS AND PROPELLA-γ-LACTONES
Fadel, A.,Salaun, J.
, p. 1267 - 1276 (2007/10/02)
The reagent obtained by mixing anhydrous FeCl3 and silica gel induced, in the lack of any solvent, dehydration of tertiary cycloalkanols, specific C4-->C5 and C5-->C6 ring enlargement, formation of spiro compounds and propella-γ-lactones and cleavage of tetrahydropyranyl ethers.