Examlex
-In the figure, is tangent to the circle at point T while
is a secant for the circle.
O,p-director
Substituents that direct incoming substituents to the ortho and para positions in an aromatic ring during electrophilic substitution reactions.
Major Organic Product
The predominant compound produced through an organic reaction, usually of greatest interest or utility.
Cyano Substituent
A cyano substituent refers to a group containing a carbon triple-bonded to a nitrogen atom (-C≡N) attached to a molecular framework.
Aromatic Ring
A cyclic molecule with conjugated pi electrons that exhibits enhanced stability, typified by the benzene ring.
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