The introduction of four substituents to a cyclohexane ring significantly increases the number of possible isomers. The number of stereoisomers depends on the relative positions and configurations of ...

The Diels-Alder reaction is a [4+2] cycloaddition between a conjugated diene and a dienophile to form a cyclohexene ring. It ...

During the last decade, remarkable progress in developing synthetic helical polymers with a controlled helical sense has been achieved. However, the exact helical structures of most of the already ...

Edited by James Giovannoni, Boyce Thompson Institute for Plant Research, Ithaca, NY; received November 3, 2024; accepted January 9, 2025 ...