SELECTIVE CLEAVAGE OF ESTER AND ETHER FUNCTIONS WITH BBr<sub>3</sub>OR Me<sub>3</sub>SiX IN SUBSTITUTED<i>N</i>-ARYLAZETIDINONES
作者:Michel Wakselman、Maryse Zrihen
DOI:10.1246/cl.1982.333
日期:1982.3.5
At −30°C BBr3 is a milder reagent than Me3SiI and Me3SiCl + NaI for the cleavage of methyl or tert-butyl esters and benzyl ether group of the title β-lactams without destroying the azetidinone ring.