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Draw the structure of the major organic product(s) for the following reaction between an acetylenic anion...

Draw the structure of the major organic product(s) for the following reaction between an acetylenic anion and an alkyl halide. (The reaction stoichiometry is 1:1).uploaded image

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Answer #1
Concepts and reason

The reaction of a secondary alkyl halide with acetylide anion is given and the products need to be drawn. The acetylenic anions are strong nucleophiles as well as bases and behave differently with primary, secondary and tertiary halide.

Fundamentals

The acetylenic ion react with primary alkyl halides to give substitution product. When the acetylenic ions react with secondary or tertiary alkyl halides, they act as strong bases and thus elimination reaction predominates.

The given reaction proceeds through E2 reaction mechanism.

The products of the given reaction are as follows:

I
-Br +
Na CE
temo -
-CH3 -
+ HC=C–CH,
prop-1-yne
(Z)-pent-2-ene
].

Ans:

The products of the given reaction are as follows:

-Br + Nac=c-CH; –
+ HC=C–CH,

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Answer #2

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