引用本文:
刘建国, 李平, 李萍, 郑家燊. 聚对羟基苯乙烯单体的中间体——对特丁氧酰氧基苯乙烯合成方法的改进[J]. 应用化学,
2007, 24(3): 361-364.
Citation: LIU Jian-Guo, LI Ping, LI Ping, ZHENG Jia-Shen. Synthetic Improvement of p-tert-Butoxycarbonyloxystyrene-Intermediate of Monomer of Poly(p-Hydroxystyrene)[J]. Chinese Journal of Applied Chemistry, 2007, 24(3): 361-364.
Citation: LIU Jian-Guo, LI Ping, LI Ping, ZHENG Jia-Shen. Synthetic Improvement of p-tert-Butoxycarbonyloxystyrene-Intermediate of Monomer of Poly(p-Hydroxystyrene)[J]. Chinese Journal of Applied Chemistry, 2007, 24(3): 361-364.
聚对羟基苯乙烯单体的中间体——对特丁氧酰氧基苯乙烯合成方法的改进
摘要:
通过改进反应溶剂,用Wittig反应合成了对特丁氧酰氧基苯乙烯,以中性Al2O3为固定相,正己烷为流动相,采用普通液相色谱分离提纯了混合产物,改进简化了分离方法。结果表明,所得目标产物对特丁氧酰氧基苯乙烯纯度达99%以上,产率为60%~70%,中间产物对特丁氧酰氧基苯甲醛可以定量合成,反应的副产物主要是三苯基氧化膦。对目标产物、中间产物和一些反应副产物进行了红外和核磁共振分析。
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关键词:
- 光致抗蚀剂
- / 聚对羟基苯乙烯
- / 对特丁氧酰氧基苯乙烯
English
Synthetic Improvement of p-tert-Butoxycarbonyloxystyrene-Intermediate of Monomer of Poly(p-Hydroxystyrene)
Abstract:
p-tert-Butoxycarbonyloxystyrene was synthesized by Wittig reaction with changing solvent medium. The hybrid products were separated and purified by conventional liquid chromatography with neutral Al2O3 anhydrous column and n-hexane for elution, which simplifies the separation method. It was shown that the purity of the aim product was higher than 99% and its yield was 60%~70%. The intermediate product p-tert-butoxycarbonyloxybenzaldehyde could be synthesized conveniently and quantitatively. The main byproduct was triphenylphosphine oxide. The aim product, intermediate product and some byproducts were identified with FTIR and NMR.
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Key words:
- photoresist
- / poly(p-hydroxystyrene)
- / p-tert-butoxycarbonyloxystyrene
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