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Sir,
Please explain what is sterioselective reaction and steriospecific reaction?Give some examples?
Stereochemistry, a subdiscipline of chemistry, involves the study of the relative spatial arrangement of atoms
within molecules.
Stereospecific Reaction: A reaction in which the stereochemistry of the reactant completely determines the
stereochemistry of the product without any other option. Stereoselective Reaction: A reaction in which there is a choice of pathway, but the product stereoisomer is
formed due to its reaction pathway being more favourable than the others available.
Hi Deb,
A reaction in which the stereochemistry (i.e., cis-trans, E – Z or d & L or R & S) of the reactant determines the setereochemistry of the product is called as stereospecific reaction. Ex -> substitution reactions of alkyl halides.
While, if a reaction proceeds such that there is a choice of pathway, but the stereospecific product is formed due to its reaction pathway being move favourable than the others available is called as stereoselective reaction.
Ex -> an internal alkyne of reaction with Na in liquid ammonia always forms trans alkene.
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