## Abstract 4,4‐Dimethyl‐dihydro‐2,3‐furanedione (**4**), an intermediate in the synthesis of (+)‐D‐pantothenic acid, is obtained in good yield from readily available substances such as isopropyl chloride, diethyl oxalate and formaldehyde, without oxidative conditions.
✦ LIBER ✦
Synthèse du 2,3-diméthyl-d-lyxose
✍ Scribed by J.P. Verheijden; P.J. Stoffyn
- Publisher
- Elsevier Science
- Year
- 1957
- Tongue
- French
- Weight
- 448 KB
- Volume
- 1
- Category
- Article
- ISSN
- 0040-4020
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## Abstract En partant de la méthyl‐6‐méthyléne‐5‐heptanone‐2, on a préparé le diméthyl‐3,7‐méthylène‐6‐octène‐2‐al, d'après la méthode d' __Arens & van Dorp__.