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A convenient one-step synthesis of 3-acetyl-4-hydroxycoumarins

✍ Scribed by Venkateswara Rao, K. ;Sundaramurthy, V.

Book ID
112980478
Publisher
Springer-Verlag
Year
1975
Tongue
English
Weight
376 KB
Volume
81
Category
Article
ISSN
0370-0089

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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.