✦ LIBER ✦
Ein einfacher Zugang zu 4-hydroxy-2,5-dimethyl-3(2H)-furanon (furaneol), einem Aromabestandteil von Ananas und Erdbeere
✍ Scribed by Luciano Re; Bruno Maurer; Günther Ohloff
- Publisher
- John Wiley and Sons
- Year
- 1973
- Tongue
- German
- Weight
- 903 KB
- Volume
- 56
- Category
- Article
- ISSN
- 0018-019X
No coin nor oath required. For personal study only.
✦ Synopsis
Abstract
Furaneol®Registered trade mark of Firmenich SA.
[4‐hydroxy‐2,5‐dimethyl‐3(2__H__)‐furanone (1)], a flavour component of pineapple and strawberry, has been prepared by a two‐step synthesis starting with readily available 3‐hexyne‐2,5‐diol.
By the same method 4‐hydroxy‐5‐methyl‐3(2__H__)‐furanone (2) and 2‐ethyl‐4‐hydroxy‐5‐methyl‐3(2__H__)‐furanone (3a) have been prepared from 2‐pentyne‐1,4‐diol and 3‐heptyne‐2,5‐diol, respectively.