检索规则说明:AND代表“并且”;OR代表“或者”;NOT代表“不包含”;(注意必须大写,运算符两边需空一格)
检 索 范 例 :范例一: (K=图书馆学 OR K=情报学) AND A=范并思 范例二:J=计算机应用与软件 AND (U=C++ OR U=Basic) NOT M=Visual
作 者:王桂英[1,2] 黄科林 马晓娥[3] 韦毅[1,2] 罗素娟
机构地区:[1]广西大学化学化工学院,530004 [2]广西壮族自治区化工研究院,530001 [3]广西师范学院化学与生命科学学院,广西南宁530001
出 处:《化工生产与技术》2010年第1期29-32,共4页Chemical Production and Technology
基 金:广西林产化学品开发与应用重点实验室开放基金资助项目(GXFC08-10)
摘 要:研究了活化硅胶、硅藻土、氢型丝光沸石、大孔树脂、β-分子筛、活性白土共6种固体催化剂对松油醇副产松油烯与马来酸酐进行Diels-Alder加成反应的催化活性,并以活化硅胶为催化剂,通过正交实验考察了影响加成产物1-异丙基-4-甲基二环2,2,2-5-辛烯-2,3-二甲酰羧酸酐(TM)产率及纯度的各主要因素,并利用红外光谱、核磁共振、质谱等方法对TM结构进行了表征。结果表明,最佳工艺条件为:反应温度150℃、松油烯与马来酸酐质量比1.8:1、反应时间2.5h、催化剂用量6%(对松油烯质量分数);验证试验TM的产率及纯度平均分别达到80.6%和89.4%。The catalytic activity of six kinds of solid catalyst activated silica gel,celite,hydrogen mordenite,macroporous resin,β-zeolite and activated clay to the Diels-Alder addition reaction between by-product of terpineol and maleic anhydride were studied.Catalyzed by activated silica gel,the factors affecting yield and purity of addition reaction product(TM) were investigated by means of orthogonanl design.The optimal reaction conditions were obtained as follows:reaction temperature 150 ℃,m(terpinene):m(maleic anhydride)=1.8:1,reaction time 2.5 h,catalyst amount of 6%(to the terpinene).The optimal reaction conditions were verified,the TM were analyzed and characterized by IR,NMR and MS.
关 键 词:松油醇副产物 马来酸酐 DIELS-ALDER反应 萜烯
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在链接到云南高校图书馆文献保障联盟下载...
云南高校图书馆联盟文献共享服务平台 版权所有©
您的IP:216.73.216.38