| prochiral | Refers to an atom in a molecule (usually a carbon atom) that would become chiral if one of two identical substituents is replaced by a new ligand; i.e., an atom that has two enantiotopic groups linked to it. For example, carbon-1 of ethanol is a prochiral carbon. (05 Mar 2000) |
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| prochirality | The property of being prochiral. (05 Mar 2000) |