化工新型材料
化工新型材料
화공신형재료
NEW CHEMICAL MATERIALS
2010年
4期
37-39,51
,共4页
郑举功%陈泉水%杨婷%刘崇羽
鄭舉功%陳泉水%楊婷%劉崇羽
정거공%진천수%양정%류숭우
离子液体(RTILs)%微波%中间体%合成%1-羟乙基-3-甲基咪唑四氟硼酸盐
離子液體(RTILs)%微波%中間體%閤成%1-羥乙基-3-甲基咪唑四氟硼痠鹽
리자액체(RTILs)%미파%중간체%합성%1-간을기-3-갑기미서사불붕산염
room temperature ionic liquids(RTILs)%microwave%intermediate%synthesis%1-hydroxyethyl-3-methyl imidazolium tetrafluorohorate
由1-甲基咪唑和2-氯乙醇通过微波法合成中间体氯化1-羟乙基-3-甲基咪唑,考察了原料配比、微波功率、加热方式和加热时间对中间体产率的影响.中间体经阴离子交换得到1羟乙基-3-甲基咪唑四氟硼酸盐离子液体.通过测定中间体的相对分子量分析其纯度,目标产物的结构通过IR、1~H-NMR表征.
由1-甲基咪唑和2-氯乙醇通過微波法閤成中間體氯化1-羥乙基-3-甲基咪唑,攷察瞭原料配比、微波功率、加熱方式和加熱時間對中間體產率的影響.中間體經陰離子交換得到1羥乙基-3-甲基咪唑四氟硼痠鹽離子液體.通過測定中間體的相對分子量分析其純度,目標產物的結構通過IR、1~H-NMR錶徵.
유1-갑기미서화2-록을순통과미파법합성중간체록화1-간을기-3-갑기미서,고찰료원료배비、미파공솔、가열방식화가열시간대중간체산솔적영향.중간체경음리자교환득도1간을기-3-갑기미서사불붕산염리자액체.통과측정중간체적상대분자량분석기순도,목표산물적결구통과IR、1~H-NMR표정.
The key intermediate,1-butyl-3-methylimidazolium bromide was synthesized effectively from 1-methylim-idazol and 2-chlorthanol under microwave irradiation.The influences of the molar ratio of raw material,microwave power and heating styles and reaction time on the synthetic reaction was also investigated.After an ionic exchange,the ionic liq-uid 1-hydroxyethyl-3-methyl imidazolium tetrafluoroborate were obtained.The purity of the intermediate was determination by molecular weight with volumetric precipitation method.The structure of the final product were characterized by means of IR,~1HNMR.
