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
作者： A. Fadel , J. Salaun
DOI: 10.1016/S0040-4020(01)96528-7
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摘要: Abstract The reagent obtained by mixing anhydrous FeCl3 and silica gel induced, in the lack of any solvent, dehydration tertiary cycloalkanols, specific C4→C5 C5 →C6 enlargement, formation spiro compounds propella-γ- lactones cleavage tetrahydropyranyl ethers.
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