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Synthesis of Tribenzo[a,c,e]cyclooctene Oligomers: Toward Negatively Curved Nanocarbons.
ChemPlusChem ( IF 3.0 ) Pub Date : 2019-03-21 , DOI: 10.1002/cplu.201900073
Han Chen 1 , Qian Miao 1
Affiliation  

Tribenzo[a,c,e]cyclooctene oligomers, which are potential precursors for synthesis of negatively curved nanographenes and nanobelts, have been designed and synthesized. The key to this synthesis is connecting 1,3-di(4-t-butylphenyl)-dibenzo[e,i]-2H-cyclopentacycloocten-2-one, dibenzo[3,4 : 7,8]cycloocta[1,2-c : 5,6-c']difuran and the Sondheimer-Wong diyne through Diels-Alder reactions. As revealed by X-ray crystallography, the trimer with a C8 -C6 -C8 -C6 -C8 backbone is shaped like a letter C in the crystalline state.

中文翻译:

三苯并[a,c,e]环辛烯低聚物的合成:向负弯曲纳米碳的方向发展。

设计并合成了三苯并[a,c,e]环辛烯低聚物,它们是合成负弯曲纳米石墨烯和纳米带的潜在前体。合成的关键是连接1,3-二(4-叔丁基苯基)-二苯并[e,i] -2H-环五环辛烯-2-酮,二苯并[3,4:7,8]环辛[1,2 -c:5,6-c']二呋喃和通过Diels-Alder反应的Sondheimer-Wong二炔。如通过X射线晶体学所揭示的,具有C 8 -C 6 -C 8 -C 6 -C 8主链的三聚体的形状像字母C,处于结晶状态。
更新日期:2019-03-21
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