Organocatalytic cyclopropanation of an enal: Transition state models for stereoselection.

Key Points

• The experiment identifies a crucial transition state, TS3, where the formation of C-C bonds occurs.
• This research highlights the stereoselection process in organocatalytic reactions, specifically involving enals.
• Understanding these transition states can illuminate the mechanism behind chiral centers formation.
• The findings may influence future applications in chiral synthesis within organic chemistry.