New Aspects of Hydrogallation Reactions with Alkynes: Simple Addition versus Formation of Cyclophanes
✍ Scribed by Uhl, Werner; Haddadpour, Sima; Matar, Madhat
- Book ID
- 126918371
- Publisher
- American Chemical Society
- Year
- 2006
- Tongue
- English
- Weight
- 89 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0276-7333
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📜 SIMILAR VOLUMES
Reaction pathways leading to nucleophilic addition and enolate formation were investigated for the reaction between acetaldehyde and hydroxide anion. Ab initio calculations predict small activation barriers for both reactions in the gas phase. Monte Carlo simulations were performed to assess the eff
## Abstract The addition reaction of dibutylphosphane oxide [Bu~2~P(O)H] with alkynes proceeds efficiently in the presence of palladium‐chelating phosphane–Brønsted acid catalyst systems. Terminal alkynes afford branched‐structured products selectively. On the other hand, the same reaction using mo