作者:Claudio Palomo、Jesus M. Aizpurua、Carmen Cuevas、Antonia Mielgo、Regina Galarza
DOI:10.1016/0040-4039(95)01903-u
日期:1995.12
Ring opening reaction of N-Boc-azetidinones using alcohols is greatly enhanced by NaN3 or KCN. Extremely mild and neutral reaction conditions are described favouring the reaction with hindered alcohols and precluding epimerization of enolizable substrates.