Simmons-Smith · Stereospecific Cyclopropanation
unseel.com · CH₂I₂ + Zn(Cu) → cyclopropane · one concerted step
Species alkene + CH₂I₂
Ring formed no
Stage reagents ready
Alkene carbons (C=C)
Carbenoid CH₂ (→ ring)
Zinc (Zn)
Iodine (I)
Directing -OH
Unseel.com · Simmons-Smith