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Alkylation of aromatics with diols in superacidic media

✍ Scribed by Árpád Molnár; Béla Török; Imre Bucsi; Andrea Földvári

Book ID
110385469
Publisher
Springer
Year
1998
Tongue
English
Weight
166 KB
Volume
6
Category
Article
ISSN
1022-5528

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Rearrangement of vindoline and derivativ
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✍ Cécile Lafitte; Marie-Paule Jouannetaud; Jean-Claude Jacquesy; Alain Duflos 📂 Article 📅 1999 🏛 Elsevier Science 🌐 French ⚖ 586 KB

SbF5 at O°C, vindoline la and its deaeetyl derivative l.~b yield the cathovaline like compounds 4 and 5\_., respoctively, and the furanic diastereoisemers \_2 and 3. Flunm derivatives (20S)-10b-d rearrange in supemcids to 4 (92%), \_5 (60%) and to lac~ne 11 (58%), respectively, whereas the (20R) ana