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Synlett 1999; 1999(11): 1841-1843
DOI: 10.1055/s-1999-2933
DOI: 10.1055/s-1999-2933
letter
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A Short and Efficient New Synthesis of γ-Halo-Substituted α,β-Unsaturated Acetals and Carbonyl Compounds
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Publikationsverlauf
Publikationsdatum:
31. Dezember 1999 (online)
![](https://www.thieme-connect.de/media/synlett/199911/lookinside/thumbnails/10.1055-s-1999-2933-1.jpg)
Treatment with N-bromosuccinimide (NBS) or N-chlorosuccinimide (NCS) of 1-subsituted 1-alkoxy-1,3-dienes, obtained by reaction of α,β-unsaturated acetals with LICKOR superbase, affords γ-brominated (chlorinated) α,β-unsaturated acetals or carbonyl compounds, according to the selected experimental conditions.
halogenation - unsaturated acetals - alkyl halides - carbanions - enones