## Abstract Reaction of acyloxyesters containing a trifluoroethoxy group (I) and (III) with LiHMDS proceeds via tandem Dieckmann condensation—alkoxide β‐elimination to give pulvinones (II) and (IV), respectively.
✦ LIBER ✦
ChemInform Abstract: Synthesis of Bis(tetronic acid)s via Double Dieckmann Condensation.
✍ Scribed by Sophie A.-L. Thetiot-Laurent; Brice Nadal; Thierry Le Gall
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 29 KB
- Volume
- 41
- Category
- Article
- ISSN
- 0931-7597
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✦ Synopsis
Abstract
Starting from dimethyl‐L‐tartrate, the convenient two‐step sequence allows the preparation of enantiopure target compounds (IV) via double Dieckmann condensation of esters (III).
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