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异丙酯
    Isopropyl chloroacetate synthesized by using Fe2 (SO4 )3·xH2O as catalyst. The products can be directly separated by distillation without washing and neutralization. The yield was 83. 8%.
    以氯乙酸、异丙醇直接酯化制备氯乙酸异丙酯,使用Fe2(SO4)3·xF2O催化可简化产品后处理操作.得酯收率83.8%.
    Isopropyl chloroacetate synthesized by using Fe_2 (SO_4)_3 ·xH_2O as catalyst. The products can be directly separated by distillation without washing and neutralization.
    以氯乙酸、异丙醇直接酯化制备氯乙酸异丙酯,使用 Fe_2(SO_4)_3·xH_2O 催化可简化产品后处理操作.
    Among the five chosen substrate, asymmetric hydrolysis of methyl ester or isopropyl ester formed S(+)-ibuprofen of 97% ee.
    在试验的五种布洛芬消旋酯中,水解甲酯和异丙酯生成s(+)-布洛芬ee可达97%,乙酯为93%以上;
    Under the optimum condition the yield of isopropyl cyclopropanecarboxylate is 92%.
    在最佳反应条件下 ,环丙烷羧酸异丙酯的产率达 92 %。
    Ethyl acetate,n butyl acetate,n amyl acetate,n heptyl acetate,benzyl acetate,ethyl hexanoate,isopropyl chloroacetate and 2 ethylhexyl acrylate were synthesized using modified gnarl catalyst. Yields of all esters were above 90%.
    以改性片麻岩为催化剂合成了醋酸乙酯、醋酸丁酯、醋酸戊酯、醋酸庚酯、醋酸苄醇酯、己酸乙酯、氯乙酸异丙酯和丙烯酸 2 乙基 己醇酯 ,其收率都在 90 %以上。
    Isopropyl γ chlorobutyrate(Ⅰ) was prepared by the reaction of γ butyrolactone with isopropanol and thionyl chloride and was cyclized to produce isopropyl cyclopropanecarboxylate(Ⅱ) by solid/liquid phase transfer catalysis (PTC).
    通过固 /液相转移催化 (PTC) ,由Ⅰ合成了环丙烷甲酸异丙酯 (Ⅱ ) ,产率 92 % ;
    Isopropyl chloroacetate was synthesized by catalysis of polymer ferric sulfate/TiO 2Al 2O 3. The best technology were acid/alcohol 1∶2 (mol ratio), reaction time 6 h and catalyst 3.8% of acid, reflux temperature 97 ℃. The yield was 84.9%.
    采用聚合硫酸铁为催化剂活性成分 ,氧化铝二氧化钛为载体 ,催化合成氯乙酸异丙酯。 反应最佳条件 :酸醇摩尔比为 1∶ 2 ,反应时间约 6h,催化剂加入量为酸量的 3 .8% (w) ,回流温度为 97℃ ,酯收率达 84.9%。
    Isopropyl chloroacetale was by solid superacid SO42-/Z rO2-Al2O3 as catalysts.
    本文采用固体超强酸SO42-/Z rO2-Al2O3作催化剂,合成氯乙酸异丙酯
    Isopropyl chloroacetate was synthesized by esterification of chloroacetic acid with iso-propanol using TiSiW12O40/TiO2 as heterogeneous catalyst- The effects of factors such as molar ratio of isopropanol to chloroacetic acid, amount of catalyst, and reaction time on the yield of isopropyl chloroacetate were discussed.
    首次以固载杂多酸盐TiSiW_(12)O_(40)/TiO_2为多相催化剂,通过氯乙酸与异丙醇酯化反应合成了氯乙酸异丙酯。 讨论了醇酸比、催化剂用量以及反应时间等因素对产率的影响。
    The yield of isopropyl chloroacetate was up to 73. 3% when mo-lar ratio of isopropanol to chloroacetic acid was 1. 3 : 1.0, amount of catalyst was 1. 50%(on total amount of reaction mass) , reaction temperature was 90-108 C , and reaction time was 2. 0 h.
    在醇酸物质的量比为1.3:1.0、催化剂用量为反应物料总量的1.5%、反应时间2.0 h、反应温度90~108℃的条件下,氯乙酸异丙酯的产率可达73.3%。
    Under the optimum reactive conditions[amount of SnCl 4 2.0%(w), reaction time 4h] the yield and purity of isopropyl chloroacetate were 77.0% and 97.9% respectively.
    当 Sn Cl4量为 2 .0 % ( w)时 ,反应 4 h,氯乙酸异丙酯的产率为 77.0 % ,纯度达 97.9%
    Isopropyl salicylate was synthesized with isopropyl alcohol and salicylic acid as meterials and solid superacid SO 2- _4/TiO_2/La 3+ as catalyst. The factors that had influence on the reaction were investigated.
    以水杨酸和异丙酸为原料 ,稀土固体超强酸SO2 -4 /TiO2 /La3 + 为催化剂合成了水杨酸异丙酯 ,考察了影响反应的因素。
    Isopropyl chloroacetate was catalytic synthesized by activated bentonite SO 2- 4-Fe 2O 3 The effects on the reaction was discussed and the optimal reaction conditions were also obtained:acid/alcohol 1∶3(mol ratio); reaction time 4h; catalyst 4% of acid and the percentage of esterifation was 91 6%.
    用活性白土负载SO2 -4 -Fe2 O3 催化氯乙酸异丙醇合成氯乙异丙酯 ,研究了各种因素对酯化率的影响 ,确定了反应的最佳条件 :酸醇摩尔比为 1∶3,反应时间为 4h ,催化剂加入量为酸量的 4% (w) ,反应温度为回流温度 ,氯乙酸的酯化率可达 91 6 %
    Isopropyl chloroacetate was catalytically synthesized by activated bentonite supported SO_4~(2-)- Al_2O_3.The effects on the reaction were discussed,and the optimal reaction conditions were also obtained:acid/alcohol 1∶ 3(mol ratio); reaction time: 5h; catalyst: 4% of acid and the percentage of esterifation was 90.6% .
    用活性白土负载 SO_4~(2-)- Al_2O_3催化氯乙酸和异丙醇合成氯乙酸异丙酯 ,研究了各种因素对酯化率的影响,确定了反应的最佳条件 :酸醇摩尔比为 1∶ 3,反应时间为 5h,催化剂加入量为酸量的 4% (m/m),反应温度为回流温度,酯化率可达 90.6%。
    Synthesis of meloxicam and piroxicam from isopropyl chloroacetate and saccharin sodium dihydrate, through the intermediate of isopropyl 4 hydroxy 2 methyl 2 H 1,2 benzothiazine 3 carboxylate 1,1 dioxide was realized.
    以氯乙酸异丙酯和糖精钠为原料 ,经过 4-羟基 - 2 -甲基 - 2 H - 1 ,2 -苯并噻嗪 - 3 -羧酸异丙酯1 ,1 -二氧化物中间体对美洛昔康和炎痛喜康进行合成研究。
    A review on the synthesis process of isopropyl acetate with different materials,catalysts and process.
    综述了乙酸异丙酯的合成方法 ,详细介绍了以不同原料、不同催化剂、不同工艺合成乙酸异丙酯的技术进展。
    Use of CTMAB as phase trasfer catalyst on the esterification of isopropyl acetate was studied. The optimized donditions are as following:the weight of catalyst is 0.38g/0.1mol acetic acid,the mole ratio of alchol to acid is 1:2 and the reaction time is 1 h. The chemical yield was 94.2%.
    利用相转移催化剂催化合成乙酸异丙酯 ,最佳反应条件如下 :催化剂用量 0 38g/ 0 .1mol乙酸 ,醇酸比 1:2 ,反应时间 1h ,收率 94 16 %。
    Six furanpropionates including methyl, ethyl, propyl, isopropyl, butyl and amyl ester were obtained through three-step reaction from furfural.
    以糠醛为原料 ,通过三步反应合成了α-呋喃丙酸甲酯、乙酯、正丙酯、异丙酯、正丁酯、正戊酯等六种呋喃丙酸酯香料。
    (2)isopropyl acetate: reacted in cyclohexane at 50℃ with 0 15 mol/L substrate and 1∶1 molar ratio;
    (2 )乙酸异丙酯 :5 0℃ ,环己烷为溶剂 ,0 15mol L底物浓度 ,摩尔比为 1∶1;
    Results showed that the penetration effect of betamethasone patches could be improved obviously with the co-effect of 20% mono-laurin, 6% isopropyl myristate and 10% oleic acid.
    结果表明 ,2 0 %单月桂酸甘油酯、6 %肉豆蔻酸异丙酯和 10 %油酸协同作用对其贴片有良好的促渗效果。
 

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