STUDIES ON CYCLOADDITION REACTIONS OF VINYLPHOSPHONATES WITH NITRONES
โ Scribed by Ye, Yong; Li, Ling-Yun; Tian, Li; Liu, Lun-Zu
- Book ID
- 121691102
- Publisher
- Taylor and Francis Group
- Year
- 2004
- Tongue
- English
- Weight
- 118 KB
- Volume
- 179
- Category
- Article
- ISSN
- 1042-6507
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๐ SIMILAR VOLUMES
## Abstract Ferrocenyl nitrones derived from aldehydes or oximes react with electron deficient alkenes to give ferrocenylisoxazolidines. 5โMethoxycarbonylisoxazolidines are further transformed to ferrocenylโpyrrolidinones by reductive cleavage. The regioโ and stereoselectivity of the reactions are
The intramolecular 1,3-dipolar cycloaddition of ฯ-unmolecular cycloaddition, followed by reductive opening of the isoxazolidine ring, produced five-and seven-membered saturated chiral nitrones is described. Starting materials for this reaction are O-protected chiral cyanohydrins, prepared ring compo