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3,6-Dioxocyclohexa-1,4-diene-1,2,4,5-tetracarboxylic acid dianhydride, a strong electron acceptor

✍ Scribed by Hammond, P. R.

Book ID
111937213
Publisher
The Royal Society of Chemistry
Year
1971
Tongue
English
Weight
374 KB
Volume
0
Category
Article
ISSN
0022-4952

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✍ Rolf Sigrist; Hans-Jürgen Hansen 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 German ⚖ 412 KB

## Abstract The oxidation of 1‐(3,8‐dimethylazulen‐1‐yl)alkan‐1‐ones **1** with 2,3‐dichloro‐5,6‐dicyano‐1,4‐benzoquinone (=4,5‐dichloro‐3,6‐dioxocyclohexa‐1,4‐diene‐1,2‐dicarbonitrile; DDQ) in acetone/H~2~O mixtures at room temperature does not only lead to the corresponding azulene‐1‐carboxaldehy