Advertisements
Advertisements
प्रश्न
What is the best reagent to convert nitrile to primary amine?
उत्तर
On treatment of nitriles with strong reducing agents such as lithium aluminium hydride in either of sodium metal in alcohol, primary amines are obtained.
\[\ce{\underset{Alkyl nitrile}{R - CN} + 4[H] ->[Na/C2H5OH][or LiAH4/ether] R - Cl2NH2}\]
APPEARS IN
संबंधित प्रश्न
Give the structures of A, B and C in the following reactions :
Accomplish the following conversions: Benzyl chloride to 2-phenylethanamine
Give the structures of A, B and C in the following reaction:
Answer the following
Write a reaction to convert acetic acid into methylamine.
The following amines is the product of Gabriel phthalimide synthesis.
Which of the following amines exhibits maximum degree of intermolecular hydrogen bonding?
Which of the following reactions are correct?
(i)
(ii)
(iii)
(iv)
Match the reactions given in Column I with the statements given in Column II.
Column I | Column II | ||
(i) | Ammonolysis | (a) | Amine with lesser number of carbon atoms |
(ii) | Gabriel phthalimide synthesis | (b) | Detection test for primary amines. |
(iii) | Hoffmann Bromamide reaction | (c) | Reaction of phthalimide with \[\ce{KOH}\] and \[\ce{R-X}\] |
(iv) | Carbylamine reaction | (d) | Reaction of alkylhalides with \[\ce{NH3}\] |
Account for the following:
Aniline cannot be prepared by the ammonolysis of chlorobenzene under normal conditions.
Which of the following compound gives pink colour on reaction with phthalic anhydride in cone. H2SO4 followed by treatment with NaOH?