| 曹成,仇满红,尤兴梅,卢蓓蓓,籍向东.化学通报,2020,83(3):246-252. |
| 三足苯甲酰基硫脲类离子受体的合成及识别性能 |
| Syntheses of Tripodal Benzoyl Thiourea Ions Receptors and Their Recognition Properties |
| 投稿时间：2019-09-30 修订日期：2019-11-14 |
| DOI： |
| 中文关键词: 硫脲 三足配体 离子识别 合成 |
| 英文关键词:Thiourea Tripodal ligand Ions recognition Synthesis |
| 基金项目:国家自然科学基金项目（21761011）、甘肃省科技计划资助项目（18JR3RG205）、甘肃省高校河西走廊特色资源利用重点实验室面上项目（XZ1601）和甘肃省高等学校科研项目（2018A-088）资助 |
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| 中文摘要: |
| 本文设计并合成了两种新型含酰基硫脲结构单元的三足受体1和2，并对其结构进行了表征确证。研究表明该类受体化合物对F-、Ac-和CN-表现出良好的紫外识别能力，由于受体1分子内电荷转移作用较强，故对阴离子表现出裸眼识别性能。紫外滴定表明，该类化合物对F-和CN-具有更好的结合能力；核磁滴定表明，阴离子通过分子间氢键与受体化合物结合形成主客体配合物，在高浓度F-时受体化合物发生脱质子行为。此外，该类化合物对Hg2+具有一定的荧光选择性识别能力。 |
| 英文摘要: |
| Two new tripodal receptors 1 and 2 containing benzoyl thiourea units were synthesized and characterized by conventional technical methods. Studies have shown that this type of receptor compound exhibits good UV-Vis recognition ability for F-, Ac- and CN-. Since the receptor compound 1 has a strong intramolecular charge transfer effect, it exhibits naked eye recognition performance for anions. UV titration indicated that this class of compounds had better binding ability to F- and CN-. Nuclear magnetic titration showed that the anion formed a host-guest complex through the intermolecular hydrogen bond with the host, and the proton detonation behavior occurred at the high concentration of F-. In addition, this class of subjects had a certain ability to selectively recognize Hg2+. |
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