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Benzoxetes and Benzothietes - Heterocyclic Analogues of Benzocyclobutene
Benzo-condensed four-ring heterocycles, such as benzoxetes 1 and benzothietes 3 represent multi-purpose starting compounds for the preparation of various higher heterocyclic ring systems. The thermal or photochemical valence isomerizations between the benzenoid forms 1,3 and the higher reactive o-qu...
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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MDPI
2012
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6268305/ https://www.ncbi.nlm.nih.gov/pubmed/22314379 http://dx.doi.org/10.3390/molecules17021548 |