OH-
Strong base unhindered
CH3O-
Strong base unhindered
CH3CH2O-
Strong base unhindered
H2N-
Strong base unhindered
R2N-
Strong base unhindered
tBuO-
Bulky base
LDA
Bulky base
Halides
Weak base, good nucleophile
PR3
Weak base, good nucleophile
NH3
Weak base, good nucleophile
SH2
Weak base, good nucleophile
SR2
Weak base, good nucleophile
SR-
Weak base, good nucleophile
SH-
Weak base, good nucleophile
N3-
Weak base, good nucleophile
CN-
Weak base, good nucleophile
RCOO-
Weak base, good nucleophile
H2O
Weak base, weak nucleophile
ROH
Weak base, weak nucleophile
RCOOH
Weak base, weak nucleophile