乙酸苄酯
- 网络Benzyl Acetate;benzylacetate
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乙酸苄酯合成过程强化实验及产物分析研究
Strengthening experiment of synthesis of benzyl acetate and product analysis
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季铵树脂的三相相转移催化酯化的研究&乙酸苄酯的三相催化合成
Study on Triphase-Transfer catalytic esterification of quaternary ammonium resin ─ triphase catalytic synthesis for benzyl acetate
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FeCl3-漆酚树脂催化合成香料乙酸苄酯
Catalytic synthesis of benzyl acetate as perfume by fecl_3 - urushiol resin
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结果表明,以环已烷为带水剂,在酸醇物质的量比为1.1∶1,反应时间为20min时,乙酸苄酯的产率达78.6%。
Results show that the yield rate of benzyl acetate comes up to 78.6 % when cyclohexane is used as the water-taking reagent , and the molar ratio of acetic acid to benzyl alcohol and the reaction time are respectively 1.1 ∶ 1 and 20 minutes .
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功能化离子液体室温催化合成乙酸苄酯
Catalytic Synthesis of Benzyl Acetate in Task-Specific Room Temperature Ionic Liquid
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乙酸苄酯在H-β沸石上的催化合成
Catalytic Synthesis of Benzyl Acetate over H - β Zeolite
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乙酸苄酯合成方法研究
A Study of the Synthetic Method for Benzyl Acetate
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考察了低交联季铵树脂作为三相相转移催化剂在乙酸苄酯等羧酸酯合成中的应用。
These resins'application to triphase-transfer catalysis for synthesizing esters was investigated in detail .
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铌酸催化合成乙酸苄酯
Catalytic synthesis of benzyl acetate by niobic acid
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可膨胀石墨催化合成乙酸苄酯
Catalytic Synthesis of Benzyl Acetate over Expandable Graphite
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乙酸苄酯新工艺探讨
Discussion on New Process of Benzyl Acetate
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乙酸苄酯香料综述
The Summary of Benzyl Acetate Perfume
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香料乙酸苄酯合成方法的改进
Improved Synthesis Method For Benzyl Acetate
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红外催化有机硅交联反应酸化交联蒙脱土催化合成乙酸苄酯
Organic Silicon Compound Cross-Linking Reaction with IR Catalysis Catalytic Synthesis of Benzyl Acetate over Acid-Treated Crosslinked Montmorillonite
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β-CD与乙酸苄酯包合物的制备及其热分解研究
Preparation of Inclusion Complex of Benzyl Acetate with β - Cyclodextrin and Studies on its Thermal Dissociation
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巯基乙酸苄酯;
Mercaptoacetic acid benzyl ester ;
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微波诱导分子筛负载SO4~(2-)/ZrO2催化合成乙酸苄酯
Catalytic synthesis of benzyl acetate with molecular sieves duty SO_4 ~ ( 2 - ) / ZrO_2 induced by microwave
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在产品的处理上,采用了较为经济合理的方法,使乙酸苄酯的收率达到88%。
We adopt an economic and reasonable method to deal with the product , finally giving 88 % yield of benzyl acetate .
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用氯化四正丁基铵作为相转移催化剂,对缩合法合成乙酸苄酯工艺进行改进。
A technological improvement was made on the synthesis of benzyl acetate by the condensation reaction with n tetrabutylammonium chloride as the phase transfer catalyst .
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利用上述条件合成了丁酸苄酯、苯乙酸苄酯、丙酸辛酯和丁酸辛酯,产率为87%~90%。
Under the same conditions , benzyl butyrate , benzyl phenylacetate , octyl propionate and octyl butyrate were synthesized in 87 % - 90 % yield .
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研究了微波辐射无催化剂条件下以冰醋酸和苯甲醇为原料合成乙酸苄酯的反应条件。
The esterification of benzyl acetate from acetic acid and benzyl alcohol without catalyst under microwave irradiation is studied . The optimum reaction conditions are determined .
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结果表明,金属态钯是催化甲苯氧乙酰化合成乙酸苄酯的高活性组分,锡化合物的存在可明显提高催化剂的活性。
The gas-phase oxidative acetoxylation of toluene with acetic acid to benzyl acetate over the Pd-Sn-K / SiO_2 catalyst was investigated in a fixed-bed flow reactor .
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用合成的酸化交联蒙脱土作催化剂,苄醇和冰醋酸为原料直接酯化合成了乙酸苄酯。
Benzyl acetate was prepared directly from benzyl alcohol and ( acetic ) acid with acid-treated montmorillonite as the catalyst and toluene as the water stripping agent .
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乙酸苄酯的主要生产路线有:由苄氯和乙酸钠反应制取、由苄醇和乙酸酯化反应制取等;
The major methods of producing benzyl acetate include the reactions of benzyl chloride and sodium acetate hydrate , and the esterification of benzyl alcohol and acetate .
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采前1天和采前1周处理可明显减少乙酸苄酯的释放量,推迟乙酸甲酯、乙酸己酯和甲硫基丁酸甲酯释放高峰的出现。
Treatment at1 day or1 week before harvest decreased effectively the amount of phenylmethyl acetate , delayed the release peak of methyl acetate , hexyl acetate and methyl ( methylthio ) acetate .
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以氯化苄和乙酸钠为原料,用相转移催化技术生产乙酸苄酯香料,确定了最佳工艺条件,提出了过剩反应物料循环利用方案,结果表明,转化率为100%,产品收率90%~95%。
Therefore , the best process is determined . The program for cycling use of surplus reaction materials is put forward . The result shows that transforming rate is 100 % and rate of products recovery is from 90 % to 95 % .
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利用相转移催化剂催化三水合乙酸钠和苄基氯的酯化反应,合成乙酸苄酯,产率为65~90%,酯含量在98%以上。
Benzyl acetate is synthesized by catalyzing the esterification of sodium acetate trihydrate and benzyl chloride in the presence of a phase transter catalyst at 105 ℃ to 110 ℃, giving a 65-90 % . yield of the benzyl acetate , with its purity higher than 98 % .
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以硫酸铁和硝酸钴为主要原料,采用沉淀-浸渍法制备新型固体超强酸催化剂S2O82-/Fe2O3-CoO,并用于乙酸苄酯的合成反应。
The novel composite solid superacid catalyst S_2O ~ ( 2 - ) _8 / Fe_2O_3-CoO was prepared by Fe_2 ( SO_4 ) _3 and Co ( NO_3 ) _2 as the raw material with coprecipitation-impregnation method , and it was used in the synthesis of benzyl acetate .
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以固体酸氨基磺酸为催化剂,以苄醇、冰乙酸为原料合成乙酸苄酯。
According to the procedure , solid acid is used as catalyst , and benzoic alcohol glacial acetic - acid are used to synthesize benzyl acetate .
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介绍使用锆酸酯为催化剂,制备氯乙酸丁酯、氯乙酸苄酯的实验,讨论了影响反应的因素,该催化反应过程氯乙酸酯的收率为90%以上。
Use of zirconic acid esters as catalysts to prepare butyl chloroacetate and benzyl chloroacetate is studied , the yields of reactions are more than 90 % .