Complex sentence: Intramolecular aldolization reactions that are catalyzed by proline likewise go through six-membered transition states-these transition states can enable the formation of either the enolexo or the enolendo product.
Split into simpler sentences: Intramolecular aldolization reactions that are catalyzed by proline likewise go through six-membered transition states. These transition states can enable the formation of either the enolexo or the enolendo product.