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Reaction of arylethanals with boron tribromide

✍ Scribed by Romain Dupont; Philippe Cotelle


Book ID
108387125
Publisher
Elsevier Science
Year
1998
Tongue
French
Weight
181 KB
Volume
39
Category
Article
ISSN
0040-4039

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Reaction of aryl-2-hydroxypropenoic deri
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Z)-Mono, di or trimethoxyphenyl-2-hydroxypropenoic acids 1a-d gave mixtures of (E) and (Z) mono, di or trihydroxyphenyl-2-hydroxypropenoic acids 2a-d when treated with boron tribromide. The isomerisation proceeds during the work-up and depends on the duration of the hydrolysis and the number of oxyg