Diketene

Diketene is an organic compound formed by dimerization of ketene and a member of the oxetane family. It is used as a chemical reagent in organic chemistry ^[1]. it is a colorless liquid and heating regenerates the ketene monomer.

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Alkylated ketenes also dimerize with ease and form substituted diketenes. Diketenes react with alcohols and amines to the corresponding acetoacetic acids. In example is the reaction with 2-aminoindane ^[2]

Certain diketenes with two aliphatic chains are used industrially to improve hydrophobicity in paper.

References

This article is based on a translation of an article from the German Wikipedia.