化工时刊
化工時刊
화공시간
CHEMICAL INDUSTRY TIMES
2015年
7期
7-10
,共4页
孙晓云%夏鸣%宫葵%任飞%沈德芬%王晗
孫曉雲%夏鳴%宮葵%任飛%瀋德芬%王晗
손효운%하명%궁규%임비%침덕분%왕함
环氧化%环辛烯%催化
環氧化%環辛烯%催化
배양화%배신희%최화
epoxidation%cyclopentene%catalysis
合成一种新型N-甲基吗啉钨酸盐[Mor1,n]NaW2O11(n=2,5,8),并考察了在以30% H2O2为氧化剂,乙腈为反应溶剂,[ Mor1,2] NaW2 O11为催化剂的催化环氧化环辛烯的反应体系中反应溶剂的量、催化剂的量、氧化剂的量和反应温度的变化对产率的影响,最终确定了最佳反应条件:反应温度70℃,环辛烯1 mmol,催化剂量30μmol,H2 O2(30%)量2 mmol,乙腈0.5 mL,反应6 h,产率96%。
閤成一種新型N-甲基嗎啉鎢痠鹽[Mor1,n]NaW2O11(n=2,5,8),併攷察瞭在以30% H2O2為氧化劑,乙腈為反應溶劑,[ Mor1,2] NaW2 O11為催化劑的催化環氧化環辛烯的反應體繫中反應溶劑的量、催化劑的量、氧化劑的量和反應溫度的變化對產率的影響,最終確定瞭最佳反應條件:反應溫度70℃,環辛烯1 mmol,催化劑量30μmol,H2 O2(30%)量2 mmol,乙腈0.5 mL,反應6 h,產率96%。
합성일충신형N-갑기마람오산염[Mor1,n]NaW2O11(n=2,5,8),병고찰료재이30% H2O2위양화제,을정위반응용제,[ Mor1,2] NaW2 O11위최화제적최화배양화배신희적반응체계중반응용제적량、최화제적량、양화제적량화반응온도적변화대산솔적영향,최종학정료최가반응조건:반응온도70℃,배신희1 mmol,최화제량30μmol,H2 O2(30%)량2 mmol,을정0.5 mL,반응6 h,산솔96%。
The tungsten ([Mor1,n]NaW2O11) (n=2,5,8)were synthesized and applied in epoxidation of cyclo-pentene. The effects of different amounts of catalyst, oxidant, reaction solovent and reaction time on the yield were systematically studied. The optimum reaction conditions of epoxidation was suggested:at 70 ℃, n( catalyst):n( cy-clopentene):n(H2O2(30%)) =3∶100∶200, reaction solovent 0. 5 mL, for 6 h, under which the cyclopentene yiled was more than 96 % with [ Mor1,2 ] NaW2 O11 as catalyst.