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stereoselectivity
This term is a highly specialized technical noun used almost exclusively within organic chemistry and pharmacology. It describes the degree to which a reaction favors the production of one spatial arrangement of atoms over another, which is critical in drug synthesis where different enantiomers can have vastly different biological effects.
As an abstract property of a chemical process, the word is uncountable. It is typically modified by adjectives such as high, low, absolute, or moderate to describe the efficiency of a catalyst or reaction pathway.
Meanings
Examples
The catalyst exhibited high stereoselectivity during the hydrogenation process.
We need to improve the stereoselectivity of this reaction to avoid purifying the diastereomers.
Does this enzyme show absolute stereoselectivity for the R-isomer?
The high degree of stereoselectivity is attributed to the steric bulk of the ligand.
I wonder if changing the solvent will affect the stereoselectivity of the addition.
The reaction lacks stereoselectivity and produces a racemic mixture.
The professor explained how temperature influences the stereoselectivity of the product.
Achieving perfect stereoselectivity remains a significant challenge in total synthesis.