ORGANIC CHEMISTRY Chapter 8 8. 9C Carbenoids The Simmons-Smith Cyclopropane Synthesis CH2I2 Zn( Cu)- ICh,ZnI=: CH A carbenoid Zn(Cu) t ch CH Et,o Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 8 8.9C Carbenoids: The Simmons-Smith Cyclopropane Synthesis CH2I2 + Zn(Cu) ICH2ZnI = CH2 A carbenoid + CH2I2 CH2 Zn(Cu) Et2O H H