超声辅助稠环芳烃Schiff碱的合成及表征
发布时间：2018-11-21 17:20
【摘要】：以1-萘甲醛、9-蒽醛和苯胺、对苯二胺及1,5-二氨基萘为原料合成5种稠环芳烃Schiff碱.采用加热回流和超声辅助合成1-萘甲醛缩苯胺时,发现超声辅助使反应时间由加热回流的8 h缩短到3 h,产率由加热回流的66.38%提高到83.11%,这一结果表明超声辅助不仅可以缩短反应时间,而且能够显著提高反应产率.因此,在超声辅助下合成了稠环芳烃Schiff碱,反应时间仅在2~4 h之间,产率在83.8%~91.6%之间.5种Schiff碱化合物均由一步反应得到,反应无需加热,无需催化剂.目标产物经1HNMR,IR,ESI-MS和UV-Vis表征确认.
[Abstract]:Five kinds of polycyclic aromatic hydrocarbons (Schiff bases) were synthesized from 1-naphthalene formaldehyde, 9-anthracene aldehyde and aniline, p-phenylenediamine and 1hali-5-diaminonaphthalene as raw materials. When 1-naphthalene formaldehyde aniline was synthesized by heating reflux and ultrasonic assisted synthesis, it was found that the ultrasonic assisted reaction time was shortened from 8 h to 3 h, and the yield was increased from 66.38% to 83.11%. The results show that ultrasound can not only shorten the reaction time, but also significantly improve the yield of the reaction. Therefore, the thick cyclic aromatic Schiff base was synthesized under the aid of ultrasound. The reaction time was only 2h and the yield was between 83.8% and 91.6%. All of the five Schiff base compounds were obtained by one step reaction without heating and without catalyst. The target product was confirmed by 1H N MRN IR ESI-MS and UV-Vis.
【作者单位】： 北京服装学院材料科学与工程学院;
【基金】：国家自然科学基金青年科学基金(21603008) 北京市教委科技一般项(SQKM201610012006) 北京市重点实验室开放课题(KYJD02150201,2015A-48)) 北京服装学院校内人才引进计划(2015A-16)
【分类号】：O625.15
，
本文编号：2347681
[Abstract]:Five kinds of polycyclic aromatic hydrocarbons (Schiff bases) were synthesized from 1-naphthalene formaldehyde, 9-anthracene aldehyde and aniline, p-phenylenediamine and 1hali-5-diaminonaphthalene as raw materials. When 1-naphthalene formaldehyde aniline was synthesized by heating reflux and ultrasonic assisted synthesis, it was found that the ultrasonic assisted reaction time was shortened from 8 h to 3 h, and the yield was increased from 66.38% to 83.11%. The results show that ultrasound can not only shorten the reaction time, but also significantly improve the yield of the reaction. Therefore, the thick cyclic aromatic Schiff base was synthesized under the aid of ultrasound. The reaction time was only 2h and the yield was between 83.8% and 91.6%. All of the five Schiff base compounds were obtained by one step reaction without heating and without catalyst. The target product was confirmed by 1H N MRN IR ESI-MS and UV-Vis.
【作者单位】： 北京服装学院材料科学与工程学院;
【基金】：国家自然科学基金青年科学基金(21603008) 北京市教委科技一般项(SQKM201610012006) 北京市重点实验室开放课题(KYJD02150201,2015A-48)) 北京服装学院校内人才引进计划(2015A-16)
【分类号】：O625.15
，
本文编号：2347681
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