Preparation of optically active poly β-propiolactones
✍ Scribed by Alain Leborgne; Nicolas Spassky; Pierre Sigwalt
- Publisher
- Springer
- Year
- 1979
- Tongue
- English
- Weight
- 333 KB
- Volume
- 1
- Category
- Article
- ISSN
- 0170-0839
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📜 SIMILAR VOLUMES
Abba%act Enantiomeric purities and absolute configurations of chiral 8-propiolactones can be easily determined from the NMR spectra of diastereomeric solvates resulting from the interaction between the lactone and optically active 2,2,2 trifluoro-1 (9-anthryl) ethanol. Chiral 8-propiolactones subst
Optically active 3-fluoro+lactam (1) was stereoselectively synthesized by the ketene-imine condensation method. Use of (1) in alkylation and aldol reactions resulted in the stereoselective formation of ( 2) and ( 3) respectively, but the control of the hydroxylated stereocenter was not possible in
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