Question

Explain the order of reactivity of benzylic vinylic alkyl aryl

Answer 1

benzylic vinylic alkyl ag

Answer 2

Ionic Nucleophiles

( Weak Bases: I–, Br–, SCN–, N3–,

CH3CO2– , RS–, CN– etc. )

pKa's   from -9 to 10 (left to right)

Anionic Nucleophiles

( Strong Bases: HO–, RO– )

pKa's   > 15

Neutral Nucleophiles

( H2O, ROH, RSH, R3N )

pKa's  ranging from -2 to 11