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Reductive alkylation of α-cyano ketones induced by samarium iodide
✍ Scribed by Jia-Liang Zhu; Kak-Shan Shia; Hsing-Jang Liu
- Publisher
- Elsevier Science
- Year
- 1999
- Tongue
- French
- Weight
- 173 KB
- Volume
- 40
- Category
- Article
- ISSN
- 0040-4039
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✦ Synopsis
SmI2-HMPA was shown to be an effective reagent for reductive alkylation of 0t-cyano ketones, a useful process for regiocontrol of et,et-dialkylation of ketones.
📜 SIMILAR VOLUMES
An efficient general method for the consecutive introduction of two alkyl groups to the ct carbon of a ketone carbonyl has been developed, making use of the lithium naphthalenide induced reductive alkylation of an ~t-cyano ketone system as a key operation.
Reductive Opening of Cyclopropylogous α-Hydroxy Aldehydes and Ketones by Samarium(II) Iodide. -The regioselectivity of the title reaction is found to be strongly dependant on the substitution pattern of the substrate. In several cases, a tandem cyclopropyl opening-deoxygenation reaction leads to γ-