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Hyperconjugative Antiaromaticity Activates 4H-Pyrazoles as Inverse-Electron Demand Diels–Alder Dienes

The Diels–Alder reactivity of 4,4-difluoro-3,5-diphenyl-4H-pyrazole (DFP) was investigated experimentally and computationally with endo-bicyclo[6.1.0]non-4-yne (BCN). The computationally predicted rate enhancement from hyperconjugative antiaromaticity induced by fluorination of cyclopentadienes at t...

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Bibliografische gegevens
Gepubliceerd in:Org Lett
Hoofdauteurs: Levandowski, Brian J., Abularrage, Nile S., Houk, K. N., Raines, Ronald T.
Formaat: Artigo
Taal:Inglês
Gepubliceerd in: 2019
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Online toegang:https://ncbi.nlm.nih.gov/pmc/articles/PMC7015664/
https://ncbi.nlm.nih.gov/pubmed/31589054
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1021/acs.orglett.9b03351
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