Chiral 2-(ω-Aminoalkyl)-oxazolines by ring transformation of lactam derivatives
✍ Scribed by Antje Rottmann; Prof. Dr. J. Liebscher
- Publisher
- John Wiley and Sons
- Year
- 1996
- Tongue
- English
- Weight
- 472 KB
- Volume
- 338
- Category
- Article
- ISSN
- 1615-4150
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
Enantiopure α-alkylidenelactones 7 were prepared by a Michael-like addition and ring-chain transformation affording optically active 4-(ω-hydroxyalkyl)pyrazolidin-3-Wittig reaction from α-bromolactones 4 and chiral aldehydes 6. Compounds 7 react with hydrazines 9 by stereoselective ones 11.
The configuration and/or formulae of the following compounds need to be corrected. (1ЈR,E)-3-(2-Benzyloxy-3-hydroxypropylidene)dihydrofuran-2-one (7c): Correct formula: (4S,5R,4ЈS)-5-(2,2-Dimethyl[1,3]dioxolan-4-yl)-4-(2-hydroxyethyl)pyrazolidin-3-one (11a): Original formula correct (4R,5S,1ЈR)-5-(1