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Diastereotopic
Describes hydrogen atoms or groups attached to the same carbon atom that are not equivalent in the three-dimensional spatial configuration, leading to non-superimposable structures.
Enantiotopic
Referring to atoms or groups in a molecule that are mirror images of each other but are not superimposable, often relating to prochiral centers.
1,1-Dimethylcyclobutane
A cyclobutane derivative where two methyl groups are attached to the same carbon atom, making it a branched alkane.
Coupling Constants
Parameters in nuclear magnetic resonance (NMR) spectroscopy that measure the interaction between nuclear spins, providing insights into molecular structure.
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