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Subject - Organic Chemistry

A stereospecific reaction exclusively generates a product with unambiguous stereochemistry from a stereochemically defined starting material, i.e. only one of two or more possible stereoisomers are formed.

In chemical synthesis, stereospecific reactions play an important role because they mostly eliminate the costly separation of undesired enantio- or diastereomeric by-products. Enzymatic reactions or interactions of ligands with receptors are examples of naturally occuring stereospecific reactions. In polymer chemistry, a polyreaction is defined as stereospecific if a tactic polymer is formed.