| Autor: |
Parkhurst RR; Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, USA., Swager TM |
| Jazyk: |
angličtina |
| Zdroj: |
Journal of the American Chemical Society [J Am Chem Soc] 2012 Sep 19; Vol. 134 (37), pp. 15351-6. Date of Electronic Publication: 2012 Sep 05. |
| DOI: |
10.1021/ja3043883 |
| Abstrakt: |
Synthesis of a new class of fully unsaturated ladder structures, phenylene-containing oligoacenes (POAs), using 3,4-bis(methylene)cyclobutene as a building block for sequential Diels-Alder reactions is described. The geometric effects of strain and energetic cost of antiaromaticity can be observed via the optical and electrochemical properties of the reported compounds. The resulting shape-persistant ladder structures contain neighboring chromophores that are partially electronically isolated from one another while still undergoing a reduction in the band gap of the material. |
| Databáze: |
MEDLINE |
| Externí odkaz: |
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