Construction of the Core of Pseudolaric Acid A and Mechanistic Studies on Intramolecular [4+3] Cycloaddition

Construction of the Core of Pseudolaric Acid A and Mechanistic Studies on Intramolecular [4+3] Cycloaddition

O62; This paper describes the construction of hemiacetal 2, the core of pseudolaric acid A via oxidative cleavage of acetonide 6 or 7 and enolization-hemiacetalization of aldehyde 8. A plausible general mechanism for the intramolecular [4+3] cycloaddition of sulfoxide 4 to adduct 3 is suggested.

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Veröffentlicht in:中国化学快报(英文版) 2001-02, Vol.12 (2), p.113-116
Hauptverfasser: Xun Tian JIANG, Li Gong OU, Dong Mei HAN, Yu Feng ZHAI, Dong Lu BAI
Format: Artikel
Sprache:eng
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Zusammenfassung:O62; This paper describes the construction of hemiacetal 2, the core of pseudolaric acid A via oxidative cleavage of acetonide 6 or 7 and enolization-hemiacetalization of aldehyde 8. A plausible general mechanism for the intramolecular [4+3] cycloaddition of sulfoxide 4 to adduct 3 is suggested.
ISSN:1001-8417