Synthesis of amphiphilic poly (para-phenylene)s by Suzuki polycondensation
Synthesis of amphiphilic poly (para-phenylene)s by Suzuki polycondensation
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铃木缩聚法合成两亲性聚对亚苯基
DOI：
10.1002/pola.10869
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发表时间：
2003
期刊：
影响因子：
--
通讯作者：
A. Schlüter
中科院分区：
文献类型：
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作者：
Changmei Zhang;H. Schlaad;A. Schlüter
1,4-二溴苯带非极性己氧基和极性低聚乙二醇侧链，与苯-1,4-二硼酸酯进行铃木缩聚，制得高摩尔质量聚对苯。采用常规聚苯乙烯排阻色谱法和通用定标法测定摩尔质量。这些新型的两亲性刚性棒聚合物具有纵向分离成极性和非极性区域的潜力，这是一种很少被描述的性质，并且有望表现出新颖有趣的超分子性质。低聚（乙二醇）侧链末端有一个硅基保护的醇基团，其对聚合物的脱保护被证明是定量进行的。这不仅导致了进一步的极性增加，而且允许我们在未来的项目中附加更多的极性（例如，带电）单元。©2003 Wiley期刊公司[J] .化学工程学报，2009,31 (2):389 - 389
1,4-Dibromobenzenes carrying nonpolar hexoxy and polar oligo(ethylene glycol) side chains were subjected to Suzuki polycondensation with a benzene-1,4-bisboronic acid ester to produce high-molar-mass poly(para-phenylene)s. The molar masses were determined with size exclusion chromatography with conventional polystyrene and universal calibration. These novel amphiphilically equipped rigid-rod polymers have the potential to segregate lengthwise into polar and nonpolar domains, a property that has only rarely been described, and promise to exhibit novel interesting supramolecular properties. The oligo(ethylene gylcol) side chains terminate with a silyl-protected alcohol group, and its deprotection on the polymer was proven to proceed quantitatively. This not only led to a further polarity increase but allows us to attach even more polar (e.g., charged) units in future projects. © 2003 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 41: 2879–2889, 2003