【正文】 nthesis目 錄前言 .................................................................................................................................................11 國內(nèi)外研究綜述 .........................................................................................................................2 含氟液晶材料及其制備 .......................................................................................................2 全氟己基苯甲酸聯(lián)苯酯類液晶化合物 ........................................................................2 含氟環(huán)己基聯(lián)苯液晶化合物 ........................................................................................2 對三氟甲氧基苯酚酯類液晶化合物 ............................................................................3 含氟稠環(huán)衍生物類液晶化合物 ....................................................................................3 氟化合物的方法 ...................................................................................................................4 重氮化反應的機理和重氮離子的結(jié)構(gòu)特點 ................................................................5 氟硼酸直接重氮化 ........................................................................................................6 課題的研究背景及意義 .......................................................................................................6 本論文的研究思路及主要內(nèi)容 ...........................................................................................72 實驗部分 .....................................................................................................................................9 主要儀器 ...............................................................................................................................9 主要原料及性質(zhì) ...................................................................................................................9 鄰羥基苯重氮氟硼酸鹽的制備 .........................................................................................11 實驗方法 ......................................................................................................................11 結(jié)果與討論 ..................................................................................................................12 鹽酸對希曼反應的影響 ........................................................................................12 亞硝酸鈉對重氮化的影響 ....................................................................................13 溫度對重氮化的影響 ............................................................................................13 最佳反應條件 ........................................................................................................13 實驗方法的改進 ....................................................................................................13 氟硼酸鹽的分解 .................................................................................................................14 分解方法 ......................................................................................................................14 結(jié)果與討論 ..................................................................................................................15 直接加熱分解 ........................................................................................................15 選擇溶劑分解重氮鹽 ............................................................................................15 分解催化劑對分解反應的影響 ............................................................................15 最佳反應條件 ..............................................................................................................17 產(chǎn)物的紅外圖譜 ..........................................................................................................17 鄰氟苯酚的烷基化 .............................................................................................................17 實驗方法 ......................................................................................................................17 產(chǎn)物的氣相色譜檢測 ..................................................................................................18 色譜條件 ..............................................................................