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2-Methyl-5-tert-butylcyclohexane-1,3-dione and related 2-alkylcyclohexane-1,3-diones from 1,3-dimethoxybenzenes

✍ Scribed by Javier Sardina, F.; Johnston, Allen D.; Mourino, Antonio; Okamura, William H.


Book ID
118259450
Publisher
American Chemical Society
Year
1982
Tongue
English
Weight
470 KB
Volume
47
Category
Article
ISSN
0022-3263

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✍ Schick, Hans ;Roatsch, Birgit ;Schwarz, Hartmut ;Hauser, André ;Schwarz, Sigfrid 📂 Article 📅 1992 🏛 John Wiley and Sons 🌐 English ⚖ 453 KB 👁 1 views

## Abstract In contrast to earlier reported unsuccessful experiments the Michael addition of prop‐2‐enal to 2‐methylcyclopentane‐1,3‐dione (1) affords 3‐(1‐methyl‐2,5‐dioxocyclopentyl)propanal (3) in 90% yield, if the reaction is carried out in water without a basic catalyst. This aldehyde is conve