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Other Synthesis Methods

In the follow...

Question

In the following sequence of reactions. What is D?

A

Primary amine

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B

An amide

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C

phenyl isocyanate

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D

chain lengthened hydrocarbon

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Solution

The correct option is C phenyl isocyanate
$C_{6} H_{5} C H_{3} [o] - \to C_{6} H_{5} C O O H S O C l_{2} - ----- \to - S O_{2}, H C l C_{6} H_{5} C O C l C_{6} H_{5} C O C l N a N_{3} - -- \to C_{6} H_{5} C O N_{3} Δ - \to C_{6} H_{5} N C O$

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