Reactions of organolithium reagents with p-benzoquinones and cyclohexadienones. Synthesis of 4-alkyl-4-hydroxycyclohexa-2,5-dien-1-ones and 1,4-dialkylcyclohexa-2,5-diene-1,4-diols.
✍ Scribed by Alfred Fischer; George N. Henderson
- Publisher
- Elsevier Science
- Year
- 1980
- Tongue
- French
- Weight
- 273 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0040-4039
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## 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