|
|||||
|
|
| 氯代苯并三唑类紫外线吸收剂的合成 | |
| 引用本文： | 王朝晖 祁国珍. 氯代苯并三唑类紫外线吸收剂的合成[J]. 华东理工大学学报(自然科学版), 1998, 24(6): 705-709 |
| 作者姓名： | 王朝晖 祁国珍 |
| 作者单位： | 华东理工大学精细化工系 |
| 摘 要： | 通过重氮化，偶合，还原和烷基化反应合成了７个氯代苯并三唑类紫外线吸收剂，在烷基化反应中使用了相转移催化剂三乙基苄基氯化铵。合成的紫外线吸收剂经红外，核磁共振，质谱等确证了结构。测定吸收波长发现引入氯原子使其摩尔消光系数增大，最大吸收波长向长波方向移动。 |
| 关 键 词： | 紫外线吸收剂 相转移催化剂 氯化苯并三唑 合成 |
Synthesis of UV absorbers of Chlorinated Benzotriazol Structure |
|
| Wang Zhaohui and Qi Guozhen. Synthesis of UV absorbers of Chlorinated Benzotriazol Structure[J]. Journal of East China University of Science and Technology, 1998, 24(6): 705-709 | |
| Authors: | Wang Zhaohui and Qi Guozhen |
| Affiliation: | Wang Zhaohui and Qi Guozhen * |
| Abstract: | Seven UV absorbers of benzotriazol structure were prepared by diazotisation, coupling, reduction and alkylation. The phase transfer catalyst (PTC) triethylbenzyl ammonium chloride (TEBA) was used in alkylation. Their structures were characterized by IR, NMR, MS and elementary analysis. The UV visible absorption of those UV absorbers was also tested. The increase of their molar absorption coefficient and the red shift of their wavelenghth were due to the chlorine in their molecule structures. |
| Keywords: | UV absorbers benzotriazol PTC alkylation |
| 本文献已被 CNKI 维普 等数据库收录！ | |