+ +

Acetaldehyde reacts with acetic anhydride in the presence of FeCl3 to give ethylidine diacetate, CH3CH(OAc)2, which is subsequently cracked to vinyl acetate.

Industrial Organic Chemistry, 3rd. Ed. K. Weissermel, H.-J. Arpe, VCH (1997)

Reaction defined as:
Industrial Process: Organic