Corey-Chaykovsky · Sulfur Ylide → Epoxide
unseel.com · R₂C=O + Me₂S⁺-CH₂⁻ → epoxide + Me₂S
S charge +1
Ring size
Stage reagents assembled
Oxygen (carbonyl)
Carbon
Sulfur (S⁺)
Ylide CH₂ (the new carbon)
Me₂S leaving group
Unseel.com · Corey-Chaykovsky