新型钳形腙类受体分子的合成及其识别性能分析-synthesis and identification of novel pincers hydrazone receptor molecules.docxVIP
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新型钳形腙类受体分子的合成及其识别性能分析-synthesis and identification of novel pincers hydrazone receptor molecules
from colorless to yellow were observed by the ‘naked-eye’ upon the addition of AcO?, F? and H2PO4? to solution of receptor 3a. The 1H NMR signals indicated that the receptor 3a occur deprotonation after the addition of an excess of fluoride anion. Inparticular, the anions recognition was successfully applied to inorganic CH3COONa in 15% H2O-85% DMSO. These findings were expected to be of significance for designing and developing novel color-based anion sensors operated in aqueous.3. Six 1,3-benzyldiacyl hydrazone derivatives(4a~4f) with symmetrical structure have been designed and synthesized by condensation of 1,3-benzyldiacyl hydrazine from 1,3-phthalic acid with various aromatic aldehydes and were characterized by elemental analysis, IR, and 1H NMR. by UV-Vis studies about receptors colorimetricsensors for anions are presented. As a result, receptor 4a, 4b and 4c can recognize F-and CH3COO- . the color and absorb solution spectrum have seen tremendous changes that are clearly visible to the naked eye. Preliminary test results showed that the biological activity of the series some of the compounds in different concentrations of plant growth regulator show a certain regularity.Key words 1,3-benzyldiacyl hydrazone; Synthesis; Anion recognition; biological activity独创性声明本人声明所呈交的论文是我个人在导师指导下进行的研究 工作及取得的研究成果。尽我所知,除了文中特别加以标注和致 谢的地方外,论文中不包括其他人已经发表或撰写过的研究成 果,也不包含为获得西北师范大学或其他教育机构的学位或证书 而使用过的材料。与我一同工作的同志对本研究所做的任何贡献 均已在论文中作了明确的说明并表示了谢意。签名:日期: 关于论文使用授权的说明本人完全了解西北师范大学有关保留、使用学位论文的规 定,即:学校有权保留送交论文的复印件,允许论文被查阅和借 阅;学校可以公布论文的全部或部分内容,可以采用影印、缩印 或其他复制手段保存论文。(必威体育官网网址的论文在解密后应遵守此规定)签名:导师签名:日期: 第一章 文献综述前言自从 1864 年,Schiff首次报道伯胺与羰基化合物通过缩合反应,生成具有甲 亚胺基的产物被称为Schiff碱[1]以来,目前国内外仍还在不断开展此领域的工作, 推陈出新,方兴未艾。Schiff碱及其配合物长期受到重视有其内在因素。从结构 上分析,有三个位置可被各种基团取代,其合成涉及到加成-消去反应。官能团 R1R2C=N-,三角形杂化轨道上的N原子具有孤对电子,连同杂化轨道角度的易变 性,赋予它重要的化学和生物学上的意义,各种功能取代基使其在应用上独具特 色。含-CON HN = CH-基团的酰腙类化合物是Schiff碱的一类,它具有优良的生 物活性、强的配位能力和多样的配位形式,使其在医药、农药、材料和分析试剂 等领域多年来一直受到人们的广泛关注,并成为化学家们深入研究的重点课题之 一。在医药方面,它具有消炎、杀菌、抗惊厥、抗肿瘤、抗糖尿病、抗结核病[2-3]、 抗白血病、
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