Study on the kinetics of allyl alcohol epoxidition to glycidol over Ti-MWW catalyst;
Ti-MWW催化烯丙醇环氧化制环氧丙醇的动力学研究
Preparation of allyl alcohol by isomerization of propylene oxide over lithium phosphate catalysts;
磷酸锂催化剂上环氧丙烷异构化制烯丙醇的研究
Allylsucrose was prepared by the reaction of sucrose with allyl chloride as the etherification agent in the presence of NaOH as an activating agent.
以蔗糖为原料,NaOH为活化剂对蔗糖进行活化预处理,烯丙基氯为醚化试剂,制备了烯丙基蔗糖(AS)。
Flame retardant bis(4-allyloxy-3,5-dibromophenyl)sulfone(ATBS) with high yield and high mass fraction was obtained by etherization of bis(4-hydroxy-3,5-dibromophenyl)sulfone(TBS) with allyl chloride in the presence of alkaline medium and under low pressure(gauge pressure 0.
用四溴双酚S(TBS)和烯丙基氯为原料,在NaOH水介质中,低压条件下(表压0。
High yield and purity flame retardant bis-(4-allyloxy-3,5-dibromophenyl)sulfone(ATBS) was obtained by allyl-etherizing bis-(4-hydrxy-3,5-dibromophenyl)sulfone(TBS) with dropping allyl chloride in aqueous NaOH in the presence of cetyltrimethylammonium bromide(CTAB) or other surfactants.
用四溴双酚S(TBS)为原料,以滴加方式加入醚化剂烯丙基氯,在NaOH水溶液中用十六烷基三甲基溴化铵(CTAB)催化醚化法和其它表面活性剂促进醚化法合成了收率、纯度均较高的阻燃剂四溴双酚S双烯丙基醚(ATBS)。
The resolution of racemic allethrolone (4-hydroxy-3-methyl-2-(2-propenyl)-2-cyclopenten-1-one) catalyzed by lipase instead of chemical methods was investigated.
试图应用脂肪酶催化拆分法代替化学法拆分外消旋烯丙醇酮(4-羟基-3-甲基-2-(2-烯丙基)-2-环戊烯-1-酮,allethrolone)。
The resolution of allethrolone.
expansumPED03脂肪酶在非水相中对外消旋烯丙醇酮(4羟基3甲基2(2烯丙基)2环戊烯1酮,allethrolone)进行酶法拆分,35℃反应36h时转化率(C)可达理论值的96%,产物的对映体过量值(eep)可达99%,显示了良好的应用潜力。
The advantages and disadvantages of different methods were summarized on the chiral resolution of allethrolone.
烯丙醇酮是合成高效低毒杀虫剂烯丙菊酯的重要中间体之一,寻求一种好的拆分外消旋体烯丙醇酮的方法是极其重要的。