广州化工
廣州化工
엄주화공
GUANGZHOU CHEMICAL INDUSTRY AND TECHNOLOGY
2012年
15期
55-57
,共3页
武永刚%杨杰%刘建%郝格格%李君君%郑敏燕
武永剛%楊傑%劉建%郝格格%李君君%鄭敏燕
무영강%양걸%류건%학격격%리군군%정민연
4’-烷基联苯-4-甲酸%傅克酰基化%黄鸣龙还原
4’-烷基聯苯-4-甲痠%傅剋酰基化%黃鳴龍還原
4’-완기련분-4-갑산%부극선기화%황명룡환원
4'-alkyl biphenyl-4-carboxylic acid%F-C acylation%Huang Minglong reduction
以联苯、C2～C5的酰氯为原料,经过傅克酰基化、黄鸣龙还原、乙酰化以及溴仿反应,合成了4个端基为C2～C5的双环芳香酸。以气相色谱-质谱联用仪、红外光谱仪、差热扫描量热仪、热台偏光显微镜等对目标化合物的结构及液晶相进行了表征。并探讨了原料配比、温度、反应时间等因素对各反应步骤及产物纯度的影响。
以聯苯、C2～C5的酰氯為原料,經過傅剋酰基化、黃鳴龍還原、乙酰化以及溴倣反應,閤成瞭4箇耑基為C2～C5的雙環芳香痠。以氣相色譜-質譜聯用儀、紅外光譜儀、差熱掃描量熱儀、熱檯偏光顯微鏡等對目標化閤物的結構及液晶相進行瞭錶徵。併探討瞭原料配比、溫度、反應時間等因素對各反應步驟及產物純度的影響。
이련분、C2～C5적선록위원료,경과부극선기화、황명룡환원、을선화이급추방반응,합성료4개단기위C2～C5적쌍배방향산。이기상색보-질보련용의、홍외광보의、차열소묘량열의、열태편광현미경등대목표화합물적결구급액정상진행료표정。병탐토료원료배비、온도、반응시간등인소대각반응보취급산물순도적영향。
With biphenyl,acyl chlorides from C2 to C5 as reactants,by the methods of F-C acylation,Huang Minglong reduction,acetylation reaction and bromoform reaction,4 of bicyclic aromatic acid terminal with alkyls from C2 to C5 were synthesized.The target products were characterized by gas chromatography-mass spectrometry instrument,infrared spectroscopy,and their mesophases were detected by differential scanning calorimeter.The influence on the reaction and product purity,involved proportions of raw materials,temperature and time were also discussed.
