From Hexaphenylbenzene to 1,2,3,4,5,6-Hexacyclohexylcyclohexane

被引:4
|
作者
Dillenburger, Marcel [1 ]
Qiu, Zijie [1 ]
Ju, Cheng-Wei [1 ,2 ]
Mueller, Beate [1 ]
Morsbach, Svenja [1 ]
Schollmeyer, Dieter [3 ]
Narita, Akimitsu [1 ]
Muellen, Klaus [1 ]
机构
[1] Max Planck Inst Polymer Res, D-55128 Mainz, Germany
[2] Nankai Univ, Coll Chem, Tianjin 300071, Peoples R China
[3] Johannes Gutenberg Univ Mainz, Dept Chem, D-55099 Mainz, Germany
关键词
ANIONIC-POLYMERIZATION; HYDROGENATION; STEREOCHEMISTRY; POLYPHENYLENE; CYCLOHEXANE; POLYMERS; 1,3-CYCLOHEXADIENE; DEHYDROGENATION; HYDROCARBON; GRAPHENE;
D O I
10.1021/jacs.0c04956
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The hydrogenation of hexaphenylbenzene was studied, affording novel partially hydrogenated hexacyclohexylbenzene (HCB) as well as fully hydrogenated 1,2,3,4,5,6-hexacyclohexylcyclohexane (HCC) as an unprecedented "oligocyclohexyl" molecule. The reaction process was analyzed by mass spectrometry with atmospheric pressure chemical ionization and high-performance liquid chromatography. From a crude product mixture, two different crystals with flake- and block-shapes could be grown and analyzed by X-ray crystallography, revealing their structures as HCB and HCC. While a geared arrangement of cyclohexyl substitutes was found in HCB, two isomeric structures were identified in HCC crystal with chair and twist-boat conformations of the central cyclohexane.
引用
收藏
页码:12916 / 12920
页数:5
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