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Analysis of the base-catalyzed phenol–epichlorohydrin condensation

✍ Scribed by Brode, George L.; Wynstra, John

Book ID
121215612
Publisher
Wiley (John Wiley & Sons)
Year
1966
Tongue
English
Weight
608 KB
Volume
4
Category
Article
ISSN
0449-296X

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Base-catalyzed intramolecular condensati
Base-catalyzed intramolecular condensation of tokinolide B
✍ Beatriz Quiroz-Garcı́a; Liliana Hernández; Rubén A. Toscano; Olov Sterner; Guill 📂 Article 📅 2003 🏛 Elsevier Science 🌐 French ⚖ 175 KB

The novel pentacyclic compound cyclotokinolide B was obtained from the natural phthalide tokinolide B under basic conditions, via the chemoselective g-enol lactone opening followed by a Michael addition of the generated carbanion to the enone and subsequent equilibration. This result confirms that s