Steric Control of Asymmetric Induction in the ortho-Claisen Rearrangement
β Scribed by Hart, Harold
- Book ID
- 126057895
- Publisher
- American Chemical Society
- Year
- 1954
- Tongue
- English
- Weight
- 260 KB
- Volume
- 76
- Category
- Article
- ISSN
- 0002-7863
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π SIMILAR VOLUMES
Cbiral induction (?2-74% diastervomeric excess) in an auxiliary-reagent mediated aza-Claisen rearrangement yielding 2-and 3-m&hyZpent-&en&c acids has been demonstrated. Claisen rearrangements ([3,3] sigmatropic reorganization of ally1 vinyl hetero-systems) have been employed in numerous aspects of o
S-AUyly-hydroxy ketenedithioacetals[ la-le ] underwenta mpid and diastereoselectivethio-Claisen mrrarrgementinto anti cs-allyl &hydroxydithioesters[ 2a.2e ] over various zeolites at room temperaturein hexaneis descriked.O 1997Elsevier ScienceLtd. Thio-Claisenrearrangementshave been extensivelystudi