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Organic Chemistry

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Alkynes

Question
16 out of 16
 

Alkynes are hydrocarbons with carbon-carbon triple bonds in them. The simplest alkyne can be prepared by the process shown in Reaction 1.

image\Ch 17 pass react 1,2.png

Also consider the following reactions.

image\Ch 17 pass react 3,4.png

Quinoline is a heterocyclic amine.


Predict the major product of the reaction shown below:

image\Ch 17 Q 16.png



A
B
C
D

Ans. D The product of this catalytic conversion reaction is a trans-alkene. The combination of reagents (group I metal with liquid ammonia) used is unique in the sense that the product formed is a trans-product. The intermediate involved in this reaction, called the alkenyl radical, readily forms the resulting trans-product.

Alkynes Flashcard List

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