Synthesis and Structure of Cyclic Oligo(<i>p</i>-phenylene oxide)s, −(C<sub>6</sub>H<sub>4</sub>O)<i><sub>n</sub></i>− (<i>n</i> = 6−10)
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Stepwise growth of oligo(p-phenylene oxide)s and cyclization via the Ullmann coupling reaction by using CuI/N,N-dimethylglycine afforded cyclic oligo(p-phenylene oxide)s, (n = 6−10). The structure of the new cyclophanes was determined by X-ray crystallography, which revealed that they have planar or slightly bent structures with diameters of 1.0−1.5 nm.
创建时间：
2006-10-27
