L1 /
5
CH1012
KETO-ENOL
TAUTOMERISM
4. Metal hydrides Nuc = H- products
alcohols
(eg. LiAlH4, NaBH4 = sodium borohydride)
(eg. LiAlH4, NaBH4 = sodium borohydride)
A 1o or 2o alcohol is formed depending on R.
Tautomerism keto
- enol tautomerism
- a special type of rapid isomerism, tautomers
- a special type of rapid isomerism, tautomers
keto form enolate
anion form
relatively
acidic Nu:-, resonance stabilised
