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A novel synthesis of 3-phenyl-4-hydroxycoumarins

✍ Scribed by A.C. Jain; V.K. Rohatgi; T.R. Seshadri

Publisher
Elsevier Science
Year
1967
Tongue
French
Weight
327 KB
Volume
23
Category
Article
ISSN
0040-4020

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## Abstract In the course of an investigation into the synthesis and properties of 3‐aryl‐4‐hydroxycoumarins a new direct synthesis of these compounds was found. In an acid medium 4‐hydroxycoumarin can be coupled directly to a diazotized aniline to form the desired 4‐hydroxycoumarin derivative.