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ChemInform Abstract: Formal Asymmetric Synthesis of Pentalenolactone E and Pentalenolactone F. Part 2. Construction of the Angular Diquinanoid δ-Lactone.

✍ Scribed by E. HERRMANN; H.-J. GAIS; B. ROSENSTOCK; G. RAABE; H. J. LINDNER


Publisher
John Wiley and Sons
Year
2010
Weight
39 KB
Volume
29
Category
Article
ISSN
0931-7597

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Formal Asymmetric Synthesis of Pentaleno
✍ Eva Herrmann; Hans-Joachim Gais; Bernd Rosenstock; Gerhard Raabe; Hans Jörg Lind 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 744 KB

A formal asymmetric synthesis of pentalenolactone E (1b) phosphonate salt 17a ultimately led to the ketene dithioacetal 22. The angular intermediates 25a/b were obtained from and pentalenolactone F (1a) has been accomplished. Ozonolysis of the diphenyl-substituted triquinane 3 and Kauffmann 22 by re