Enantioselective, rhodium catalyzed intramolecular cyclopropanations of homoallylic diazoacetates.
作者:Stephen F. Martin、Christopher J. Oalmann、Spiros Liras
DOI:10.1016/s0040-4039(00)61761-6
日期:1992.11
The homoallylic diazoacetates 3a–j underwent enantioselectiveintramolecularcyclopropanation with the rhodiumcatalyst Rh2(5S-MEPY)4 (1) to give the oxabicyclo[4.1.0]heptanes 4a–j in 71–90% enantiomeric excess and in 55–80% chemical yield.