A macrocyclic aromatic thioether ketone: Synthesis, structure and anionic ring-opening polymerisation

被引：24
|
作者：
Colquhoun, HM [1 ]
Lewis, DF [1 ]
Fairman, RA [1 ]
Baxter, I [1 ]
Williams, DJ [1 ]
机构：
[1] UNIV LONDON IMPERIAL COLL SCI TECHNOL & MED,DEPT CHEM,LONDON SW7 2AY,ENGLAND
来源：
JOURNAL OF MATERIALS CHEMISTRY | 1997年 / 7卷 / 01期
关键词：
D O I：
10.1039/a607044b
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Nucleophilic polycondensation at high concentration between benzene-1,3-dithiol and 4,4'-difluorobenzophenone affords not only linear polymer 1 but also a significant yield (ca. 8%) of cyclic oligomers, mainly the [2+2] cyclodimer 2. Under high-dilution conditions 2 becomes by far the major reaction product. Macrocycle 2 has been isolated, structurally characterised by single-crystal X-ray methods and found to undergo rapid anionic ring-opening polymerisation in the melt (330-360 degrees C), affording a linear, high molecular weight poly(arylthioether ketone).
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页码：1 / 3
页数：3
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