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JIPMER 2006
Exam
JIPMER
Year
2006
Subject
Chemistry
Chapter
Amines

JIPMER 2006 · Chemistry · Amines

R-NH-COH [ Pyridine ] POCl_3 product In the given reaction, what...

R−NH−COH→ Pyridine POCl3R-\mathrm{NH}-\mathrm{COH} \xrightarrow[\text{ Pyridine }]{\mathrm{POCl}_3} product In the given reaction, what will be the product?

Options

  1. AR−\mathrm{R}-\mathrm{N}=\mathrm{C}=O=\mathrm{O}
  2. BR−N+≡C−R-\stackrel{+}{\mathrm{N}} \equiv \mathrm{C}^{-}
  3. CR−C≡NR-\mathrm{C} \equiv \mathrm{N}
  4. DNone of these

Correct answer

B. R−N+≡C−R-\stackrel{+}{\mathrm{N}} \equiv \mathrm{C}^{-}

Step-by-step solution

R−NH−COH→ Pyridine POCl3R−N+≡R-\mathrm{NH}-\mathrm{COH} \xrightarrow[\text{ Pyridine }]{\mathrm{POCl}_3} R-\mathrm{N}^{+} \equivC−\mathrm{C}^{-}
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