Thiol–ene polymerization of oligospiroketal rods
文献信息
发布日期
2017-10-18
DOI
10.1039/C7PY01569K
影响因子
5.582
作者
Pablo Wessig, Tanja Schulze, Alexandra Pfennig, Steffen M. Weidner, Sascha Prentzel, Helmut Schlaad
查看原文
摘要
The nucleophilic thiol–ene (thia-Michael) reaction between molecular rods bearing terminal thiols and bis-maleimides was investigated. The molecular rods have oligospiroketal (OSK) and oligospirothioketal (OSTK) backbones. Contrary to the expectations, cyclic oligomers were always obtained instead of linear rigid-rod polymers. Replacing the OS(T)K rods with a flexible chain yielded polymeric products, suggesting that the OS(T)K structure is responsible for the formation of cyclic products. The reason for the preferred formation of cyclic products is due to the presence of folded conformations, which have already been described for articulated rods.
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来源期刊
Polymer Chemistry
CiteScore:
8.6
自引率:
7.3%
年发文量:
457
Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.
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CAS号:
1104546-89-5
分子式:
C15H12N2O2
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