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Thermodynamic Control of the Electrocyclic Ring Opening of Cyclobutenes: C=X Substituents at C-3 Mask the Kinetic Torquoselectivity
[Image: see text] The thermal ring-opening reactions of 4-phenyl-1,3,3-triethoxycarbonylcyclobutene and 4-methyl-1,3,3-triethoxycarbonylcyclobutene yield dienes that result from an unexpected selectivity for “inward” rotation of the phenyl and methyl groups. With 1-ethoxycarbonyl-4-phenylcyclobutene...
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| Main Authors: | , , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
2009
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2744767/ https://ncbi.nlm.nih.gov/pubmed/19402639 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1021/ja9016446 |
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