Synthesis of 4-phenylethynylphthalic anhydride, a useful end-capping agent for polyimides

被引：1

作者：

Yang, Mei-Jia ^{[1
]}

Shao, Tao ^{[1
]}

Men, Jian ^{[1
]}

Gao, Guo-wei ^{[1
]}

Chen, Hua ^{[1
]}

机构：

[1] Sichuan Univ, Coll Chem, Chengdu 610064, Peoples R China

来源：

JOURNAL OF CHEMICAL RESEARCH | 2012年 / 06期

关键词：

polyimides; 4-phenylethynylphthalic anhydride; Sonogashira coupling reaction; aqueous medium; synthesis; CONVENIENT SYNTHESIS;

D O I：

10.3184/174751912X13366326240908

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Hydrolysis and bromination of phthalic anhydride in water gave a mixture of the monosodium salt of 4-bromophthalic acid. These were reacted with phenylacetylene under Sonogashira coupling reaction conditions in an aqueous medium. Acidification afforded 4-phenylethynylphthalic acid and then dehydration of this gave 4-phenylethynylphthalic anhydride in 76% overall yield. Compared with traditional synthetic methods, this method has the advantage of low cost, convenient manipulation and is environmentally friendly.

引用

页码：379 / 380

页数：2

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