Stereochemical consequences of dynamic gearing in substituted bis(9-triptycyl) methanes and related molecules
Empirical force-field calculations show that bis(9-triptycyl)methane has a C(s) ground state and that the securely meshed triptycyl groups undergo nearly unhindered cogwheel rotation through a C(2) transition state, with an activation energy of ≈1.0 kcal mol(-1). These features lead to note-worthy s...
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| Publicat a: | Proc Natl Acad Sci U S A |
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| Autors principals: | , , , , |
| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
National Academy of Sciences
1980
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| Matèries: | |
| Accés en línia: | https://ncbi.nlm.nih.govhttps://pmc.ncbi.nlm.nih.gov/articles/PMC350419/ https://ncbi.nlm.nih.govhttps://pubmed.ncbi.nlm.nih.gov/16592927/ https://ncbi.nlm.nih.govhttps://doi.org/10.1073/pnas.77.12.6961 |
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