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Copper-catalyzed addition of diboron reagents to α,β-acetylenic esters: efficient synthesis of β-boryl-α,β-ethylenic esters
✍ Scribed by Lee, Ji-Eon ;Kwon, Jisook ;Yun, Jaesook
- Book ID
- 121268033
- Publisher
- Royal Society of Chemistry
- Year
- 2008
- Tongue
- English
- Weight
- 199 KB
- Volume
- 6
- Category
- Article
- ISSN
- 1359-7345
- DOI
- 10.1039/B716697D
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📜 SIMILAR VOLUMES
## Copper-catalyzed conjugate addition of organomanganese reagents to a, B ethylenic esters easily takes place in THF at O'C, in the presence of 3% CuCl and MejSiCI. Good to moderate yields are obtained from organomanganese reagents preparedfrom organolithium or organomagnesium compounok Recently,
The stereochemical course of the conjugate addition of various (trimethylstannyl)cuprate (or copper) reagents to cr,B-acetylenic esters is dependent on the constitution of the reagent and on the structure of the substrate. Recently, it was reported 1 that the conjugate addition of lithium (phenylth