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- URN zum Zitieren dieses Dokuments:
- urn:nbn:de:bvb:355-epub-157286
- DOI zum Zitieren dieses Dokuments:
- 10.5283/epub.15728
Zusammenfassung
Treatment of phthalideisoquinolines such as α- (1) and β-narcotine (2) as well as ß-(3) and α-hydrastine (4) with ethyl chloroformate (ECF) at room temperature afforded, via the chloro-carbamates, the corresponding diastereomeric carbinols with high stereoselectivity. Instrumental analyses of each diastereomeric pair indicate that the major isomers derived from α- and β-narcotine as well as from ...
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