Why is zinc dust used in the preparation of acetanilide?

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Zinc dust is utilized in the preparation of acetanilide primarily due to its reducing properties, which facilitate the acetylation process. Acetanilide is synthesized from acetic anhydride and aniline, and while zinc is not strictly necessary, it enhances the reaction efficiency. The discussion highlights the importance of zinc as a reducing agent in organic synthesis, particularly in this context.

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In the preparation of acetanilide why is it that zinc dust is used?
 
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Not having even the slightest idea about organics - zinc is used almost always because of its reducing properties. I would dig here.
 
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Acetanilide is typically synthesized from acetic anhydride and aniline.
Zinc isn't required, but it aids acetylation. (for reasons Borek mentioned, as it's a reducing agent)
 

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