Question

. Pyridine on heating with sodamide gives​

Answer 1

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Answer 2

Pyridine on heating with sodamide gives

C₆H₆N + NaNH₄    → C₆H₄N. NHNa + H₂

Explanation:

• The preparation of 2‐aminopyridine from pyridine and sodium amide in boiling inert solvent (such as xylene, toluene, and benzene), is generally known as the Chichibabin amination.

• It has been reported that the yield of 2‐aminopyridine depends to a large extent on the condition of the sodium amide used in the synthesis.
• A second amino group might be introduced to the aromatic ring to increase the amount of sodium amide.
• The cyclic amine has been reported to form under these conditions when the organic amine is connected to a pyridine ring.
• This reaction works not only for the pyridine series but also for other nitrogen‐containing heterocycles.
• This reaction has a general application in the preparation of nitrogen‐containing aromatic amines.