Stereoselectivity in intramolecular 1,3-dipolar cycloadditions. Nitrile oxides versus silyl nitronates
β Scribed by W. Dehaen; A. Hassner
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- French
- Weight
- 240 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0040-4039
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π SIMILAR VOLUMES
## Abstract For Abstract see ChemInform Abstract in Full Text.
The cycloaddition reactions of in situ generated silyl nitronates 3 to chiral enone la or enoate l b proceed with high stereoselectivity to give enantiomericaUy pure N-silyloxyisoxazolidines 4, which can easily be transformed into A2-isuxazolines 5. Based on an X-ray analysis the major diastereomer
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