Ketene Acetals. XXXII. The Condensation of Ketene Dimethylacetal with Various Aldehydes and Ketones
โ Scribed by McElvain, S. M.; Degginger, Edward R.; Behun, John D.
- Book ID
- 127199353
- Publisher
- American Chemical Society
- Year
- 1954
- Tongue
- English
- Weight
- 553 KB
- Volume
- 76
- Category
- Article
- ISSN
- 0002-7863
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๐ SIMILAR VOLUMES
enolsilanes 1 does not govern the stereochemistry of aldol condensation products. We recently reported for the first time', acetals la6'8, that compounds 2, structural analogous of add to aldehydes and Schiff bases in a cross-aldol type condensation, to afford B-hydroxyacids and B-Lactams respective
Metalated carboxylic acids react with carbonyl compounds with varying success depending upon steric effects in each of the reaction partners.l Given a delocalized structure for the metalated intermediate,2 addition to a carbonyl group is the result of a reorganization of the double bonds in the reac