Reaction of primary amine, in presence of an acid, with carbonyl compound
gives an imine. The rate of reaction increases by an increase in acidity but
beyond a certain limit, the rate decreases with further increase of acidity.
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Complete following reactions:
Aromatic aldehydes are less reactive than aliphatic aldehyde.
How are following conversions carried out?
i) 6-hydroxy-6-Methyl- 2-heptanone from 5-bromo-2-propanone using Grignard
reagent
ii) Cyclopentyl methyl ketone from acetoacetic ester
iii) Barbituric acid from molonic ester
iv) Propanol from ethylene oxide
v) Butane from chloromethane
Draw and explain potential energy diagram for the reaction of addition of HCl to 1, 3- butadiene at a low and high temperatures.
Write the mechanism of Paterno-Buechi reaction.
In Wittig reaction, the methyl, primary and secondary alkyl halide can be used to
prepare Wittig reagent (ylide) but not tertiary alkyl halide.
Taking suitable examples, discuss the migrating aptitude of the migrating group in
Pinacol-pinacolone rearrangement reactions.