Bases and Nucleophiles

NaH

strong base, weak nucleophile

t-BuOK

strong base, weak nucleophile

LDA

strong base, weak nucleophile

DBN

strong base, weak nucleophile

DBU

strong base, weak nucleophile

t-BuLi

strong base, weak nucleophile

OH-

strong base, strong nucleophile

-OCH3 (Small NaOR)

strong base, strong nucleophile

NaCCR

strong base, strong nucleophile

NaNH2

strong base, strong nucleophile

BuLi

strong base, strong nucleophile

Br-

weak base, strong nucleophile

Cl-

weak base, strong nucleophile

I-

weak base, strong nucleophile

N3-

weak base, strong nucleophile

CN-

weak base, strong nucleophile

-SH

weak base, strong nucleophile

-SR

weak base, strong nucleophile

F-

weak base, strong nucleophile

H2O

weak base, weak nucleophile

ROH

weak base, weak nucleophile

H2S

weak base, weak nucleophile

NH3

weak base, weak nucleophile

RNH2

weak base, weak nucleophile