Abstract
Treatment of fused oxetanes with Et2AlCl, TMSCl, acetyl chloride, or ethereal hydrochloric acid leads to the formation of spirocyclic dihydrobenzofurans through intramolecular attack of an oxygen atom of a proximal phenolic methyl ether.
Original language | English |
---|---|
Pages (from-to) | 25-28 |
Number of pages | 4 |
Journal | Synlett |
Volume | 2008 |
Issue number | 1 |
Early online date | 3 Dec 2007 |
DOIs | |
Publication status | Published - Jan 2008 |
Keywords
- Lewis acids
- heterocycles
- neighboring-group effects
- cyclizations
- spiro compounds