苯乙醛
- 网络phenylacetaldehyde;phenyl acetaldehyde;benzeneacetaldehyde
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以Mn(Ⅲ)/Mn(Ⅱ)为电解媒质间接电合成苯乙醛的减废工艺
Indirect electrochemical synthesis of phenylacetaldehyde with less pollution by using Mn (ⅲ) / Mn (ⅱ) as the electrolytic mediator
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研究了SAS型固体酸和几种分子筛上氧化苯乙烯液相重排成苯乙醛的反应,考察了催化剂的活性、选择性和和稳定性。
The method of liquid phase rearrangement of styrene oxide to phenylacetaldehyde catalyzed by SAStype solid acids and molecular sieves was studied .
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MCM-41分子筛负载磷钨酸催化合成苯乙醛乙二醇缩醛
Synthesis of Phenylacetaldehyde Ethylene Glycol Acetal by Phosphotungstic Acid Supported on MCM-41 Molecular Sieve as Catalyst
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席夫碱可以吸附废水中的金属离子,通过壳聚糖与苯乙醛发生缩合反应制备了壳聚糖缩苯乙醛Schiff碱。
Schiff base can absorb metal ions of waste water . It has been synthesized by condensation of chitosan with phenylacetaldehyde .
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以MCM-41负载磷钨酸作催化剂,对以苯乙醛和乙二醇为原料合成苯乙醛乙二醇缩醛的反应条件进行了研究。
Phenylacetaldehyde ethylene glycol acetal was synthesized with phenylacetaldehyde and ethylene glycol as raw materials in the presence of phosphotungstic acid supported on MCM-41 molecular sieve .
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苯乙醛和乙二醇以NaHSO4·H2O为催化剂,在无有机溶剂和无机载体的条件下经微波辐射直接催化合成苯乙醛乙二醇缩醛。
Phenylacetaldehyde ethyleneglycol acetal was directly synthesized by reaction of phenylacetaldehyde and ethyleneglycol under microwave irradiation catalyzed by NaHSO_4 · H_2O without any organic solvent and inorganic carrier .
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水溶性聚乙烯醇缩乙二醛胶粘剂的制备MCM-41分子筛负载磷钨酸催化合成苯乙醛乙二醇缩醛
Preparation of Water Soluble Polyacetal by Condensation of Polyvinyl Alcohol with Glyoxal Synthesis of Phenylacetaldehyde Ethylene Glycol Acetal by Phosphotungstic Acid Supported on MCM-41 Molecular Sieve as Catalyst
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试验结果表明,在SAS-2固体酸催化剂存在下,催化剂投料为氧化苯乙烯重量的15%,反应物与溶剂环已烷的体积比为1:8,苯乙醛产率可达98.2%。
Experimental results indicated that when the amount of SAS-2 solid acid catalyst is 15 % of styrene oxide ( weight ), ratio of reactant to cyclohexane solvent is 1 : 8 ( volume ) , the yield of phenylacetaldehyde is above 98.2 % .
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甘油醛-3-磷酸脱氢酶硫酸高铈催化合成苯乙醛1,2-丙二醇缩醛
Glyceraldehyde-3-phosphate dehydrogenase Synthesis of Phenylacetaldehyde 1,2-Propanediol Acetal Catalyzed by Cerium Sulfate
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香料物质苯乙醛及其缩醛合成的新途径
A new process of making perfumes phenylacetaldehyde and its acetal
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氧化苯乙烯液相重排制苯乙醛的固体酸催化剂
Study on solid acidic catalysts for liquid phase rearrangement of styrene oxide to phenylacetaldehyde
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醛缩醇,醛缩二醇任何一种由乙醛和乙醇结合而成的化合物硫酸高铈催化合成苯乙醛1,2-丙二醇缩醛
Any of the class of compounds formed from aldehydes combined with alcohol . Synthesis of Phenylacetaldehyde 1,2-Propanediol Acetal Catalyzed by Cerium Sulfate
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结果表明,柠檬醛、苯乙醛、β-石竹烯和石竹烯氧化物均能引起棉铃虫雌蛾产生显著的触角电位反应,但以柠檬醛引起的反应最强;
The results indicated that citral , phenylacetaldehyde ,β - caryophyllene and caryophyllene oxide could evoke significant response of H.armigera as compared with the check , but the strongest response was provoked by citral ; H.
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采用大孔全氟磺酸树脂作催化剂,苯与乙醛缩合生成1,1-二苯基乙烷,后者与单苄基甲苯掺配的油的理化电气性能与日本SAS-40油相同。
1,1-Diphenylethane was synthesized through the condensation of benzene with acetaldehyde using macroporous perfluorosulfonic acid resin as the catalyst . The synthetic , when formulated with benzyl toluene , produced a kind of capacitor oil with physical chemical properties and electric performance comparable to that of SAS-40 made in Japan .
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其中主要是二聚物、乙烯基乙炔、苯和乙醛,其真实收率分别为0.361%、0.18%、0.214%和0.152%。
The major impurities and their respective actual recoveries were as follows : dimers 0.361 % , ethyl-acetylene 0.18 % , benzene 0.24 % and acetaldehyde 0.152 % .
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通过回归正交优化实验,获得了缩合反应的最优工艺条件:催化剂用量10.05%,苯与乙醛的摩尔比8.00∶1,在回流温度下反应2.42h。
Through orthogonal experiments , the optimum technical conditions of the condensation were obtained as follows : the amount of catalyst was 10.05 % , the molar ratio of benzene to acetaldehyde was 8.00 ∶ 1 , and the reaction time was 2.42 h under refluxing .
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苯甲醛和乙醛以近临界水为反应介质,可在无外加催化剂和有机溶剂条件下发生羟醛缩合反应,生成肉桂醛。
Cinnamaldehyde was synthesized successfully through the reaction of phenylaldehyde with acetaldehyde in near-critical water , without any added catalyst or organic solvent .
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TS-1/H2O2体系催化氧化苯乙烯反应首先生成环氧苯乙烷,然后进一步异构化为苯乙醛。
By using TS-1 / H_2O_2 system of catalytic oxidized styrene , it is found that epoxy phenyl ethane is first synthesized from reaction , then more isomerized phenyl acetaldehyde is established .