The Structures of Three [2.2]Paracyclophane Derivatives with Anellated Four-Membered Rings

被引:1
|
作者
Hopf, Henning [1 ]
Hinrichs, Heino [1 ]
Ernst, Ludger [2 ]
Jones, Peter G. [3 ]
Boekelheide, Virgil [4 ]
机构
[1] Tech Univ Carolo Wilhelmina Braunschweig, Inst Organ Chem, D-38106 Braunschweig, Germany
[2] Tech Univ Carolo Wilhelmina Braunschweig, NMR Lab Chem Inst, D-38106 Braunschweig, Germany
[3] Tech Univ Carolo Wilhelmina Braunschweig, Inst Anorgan & Analyt Chem, D-38023 Braunschweig, Germany
[4] Univ Oregon, Dept Chem, Eugene, OR 97403 USA
关键词
anellated four-membered rings; biphenylenes; cyclophanes; NMR spectroscopy; X-ray structural analysis; PHANE PROPERTIES; NMR-SPECTRA; GEOMETRY; HYBRIDS;
D O I
10.1002/ijch.201100093
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The structures of the three benzocyclobutenophanes 1?a, 1?b (2 stereoisomers), and 11 have been determined by NMR spectroscopy and X-ray structural analysis. The preparation of 11 from 4,5-diethynyl[2.2]paracyclophane (9) is described.
引用
收藏
页码:149 / 155
页数:7
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