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通过铜(I)催化的叠氮化物-炔烃环加成聚合反应得到的3-叠氮基-1-丙炔低聚物的季铵化反应。

Quarternization of 3-azido-1-propyne oligomers obtained by copper(I)-catalyzed azide-alkyne cycloaddition polymerization.

作者信息

Nakano Shun, Hashidzume Akihito, Sato Takahiro

机构信息

Department of Macromolecular Science, Graduate School of Science, Osaka University, 1-1 Machikaneyama-cho, Toyonaka, Osaka 560-0043, Japan.

出版信息

Beilstein J Org Chem. 2015 Jun 18;11:1037-42. doi: 10.3762/bjoc.11.116. eCollection 2015.

Abstract

3-Azido-1-propyne oligomer (oligoAP) samples, prepared by copper(I)-catalyzed azide-alkyne cycloaddition (CuAAC) polymerization, were quarternized quantitatively with methyl iodide in sulfolane at 60 °C to obtain soluble oligomers. The conformation of the quarternized oligoAP in dilute DMSO-d 6 solution was examined by pulse-field-gradient spin-echo NMR based on the touched bead model.

摘要

通过铜(I)催化的叠氮化物-炔烃环加成(CuAAC)聚合反应制备的3-叠氮基-1-丙炔低聚物(oligoAP)样品,在60℃下于环丁砜中用碘甲烷进行定量季铵化反应,以获得可溶性低聚物。基于接触珠模型,通过脉冲场梯度自旋回波核磁共振对稀释的氘代二甲亚砜(DMSO-d₆)溶液中季铵化oligoAP的构象进行了研究。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c24d/4505306/9d0de68787cd/Beilstein_J_Org_Chem-11-1037-g005.jpg

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