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Trapping evidence for the thermal cyclization of di-(o-acetylphenyl)acetylene to 3,3'-dimethyl-1,1'-biisobenzofuran
The reaction of di-(o-acetylphenyl)acetylene (1) with excess dimethyl acetylenedicarboxylate (DMAD) produced bis-DMAD adducts meso-3 and rac-3. This transformation is suggested to involve thermal rearrangement of 1 to the intermediate 3,3'-dimethyl-1,1'-biisobenzofuran (A), and subsequent...
Autores principales: | , , |
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Formato: | Texto |
Lenguaje: | English |
Publicado: |
Beilstein-Institut
2005
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1399466/ https://www.ncbi.nlm.nih.gov/pubmed/16542028 http://dx.doi.org/10.1186/1860-5397-1-18 |