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Asymmetric cyclopropanation of chalcones using chiral phase-transfer catalysts
The first phase-transfer catalyzed cyclopropanation reaction of chalcones using bromomalonates as the nucleophiles in a Michael Initiated Ring Closing reaction (MIRC) was developed. Key to success was the use of a free OH-containing cinchona alkaloid ammonium salt catalyst and carefully optimized li...
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| Main Authors: | , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
Elsevier
2013
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3878557/ https://ncbi.nlm.nih.gov/pubmed/24391288 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.tetlet.2013.02.095 |
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