Ni(COD)z/Ph3P or Ni(acac)2/Et3Al/PhsP have been shown to be effective catalysts for the stereoselective homo Diels-Alder reaction between norbomadiene and electron deficient olefins. High and opposite stereoselectivity was observed for cyclic and acyclic enones. Vinyl sulfoxides gave predominantly o
Epimerization and stereoselectivity in the Diels-Alder reaction of monosubstituted dienophiles
β Scribed by Guner, Osman F.; Ottenbrite, Raphael M.; Shillady, Donald D.; Alston, Peter V.
- Book ID
- 125548568
- Publisher
- American Chemical Society
- Year
- 1988
- Tongue
- English
- Weight
- 544 KB
- Volume
- 53
- Category
- Article
- ISSN
- 0022-3263
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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a βFull Textβ option. The original article is trackable v
The stereoselectivity of the intramolecular Diels-Alder reactions of terminally activated trienes 4 and 3 increases as the dienophile activating group is changed along the series -CONR2 < -C02Me < -COMe < -Cl-IO. Further increases in selectivity are realized by using Lewis acid catalysts. These res