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N-Vinylpyrrolidone

1-Ethenyl-2-pyrrolidone N-Ethenyl-2-pyrrolidone N-Vinyl-2-pyrrolidone 1-Vinyl-2-pyrrolidone N-Vinylbutyrolactam

N-Vinylpyrrolidone (NVP) is an organic compound consisting of a 5-membered lactam ring linked to a (2 carbon) vinyl group. It is a colorless liquid although commercial samples can appear yellowish.

It is produced industrially by vinylation of 2-pyrrolidone, i.e. the base-catalyzed reaction with acetylene.

Synthesis

Starting from γ-Butyrolactone, 2-pyrrolidone is synthesized by treatment with ammonia. Subsequently, acetylene is used to introduce the vinyl group.

References

"1-Vinyl-2-pyrrolidinone". [[Sigma-Aldrich]].
It is the precursor to [[polyvinylpyrrolidone]] (PVP), an important synthetic material. The NVP [[monomer]] is commonly used as a [[reactive diluent]] in [[ultraviolet]] and [[electron]]-[[Charged particle beam. (2011)
(23 June 2015). "Poly(vinylpyrrolidone) – A Versatile Polymer for Biomedical and Beyond Medical Applications". Polymer-Plastics Technology and Engineering.
(2008). "Acetylene Chemistry".

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amide-solvents pyrrolidones vinyl-compounds monomers reactive-diluents

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