琥珀酸酐
- 名succinic anhydride
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在蒸气浴条件下,T-2毒素与琥珀酸酐(HS)反应合成了T-2HS,薄层层析显示,目标半抗原合成成功;
First , T-2 toxin reacted with succinic anhydride in steam-bath to synthesize T-2 hemisuccinate ( T-2HS ) . Thin layer chromatography analysis showed that the objective hapten was obtained successfully .
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研究表明,当采用1,4-二氧六环为溶剂,在0.2MPa和30℃的温和条件下反应60min,马来酸酐的转化率和琥珀酸酐的选择性均可达到100%。
Under the optimized reaction conditions of 0.2 MPa , 30 ℃ and using dioxane as solvent , the conversion of maleic anhydride and the selectivity of succinic anhydride are both up to 100 % in 60 minutes .
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烯基琥珀酸酐(ASA)用于中性造纸施胶剂施胶性能及应用趋势
Application Trend and Prospect of ASA as Neutral Paper Sizing Agent
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适当的氧含量、环己烷浓度和气相中CO2浓度均能提高催化剂对环己烷的转化率和琥珀酸酐的选择性。
The proper content of O2 . cyclohexane and CO2 could increase the conversion rate of cyclohexane and the selectivity of butanedioic anhydride .
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中性造纸施胶剂烯基琥珀酸酐(ASA)应用前景
Application prospect of Alkenyl Succinic Anhydride ( ASA ) as Neutral Paper Sizing Agent
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琥珀酸酐酰化时的pH值为8.5,温度为40℃,琥珀酸酐用量为谷朊粉用量的10%。
And during the acylation of succinic anhydride , pH value was 8.5 , temperature was 40 ℃ and amount of succinic anhydride was 10 % of gluten flour .
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叙述了烯烃基琥珀酸酐(ASA)作为造纸中性施胶剂的发展、特性、应用技术与前景。
The development , characteristic , application technology and foreground of Alkenyl Succinic Anhydride ( ASA ) were reviewed .
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用琥珀酸酐-碳二亚胺法和氯磺化法合成了毕兹(Bz)的两种人工抗原Bz_HS_protein和Bz_SO2_protein。
Two artificial antigens Bz_HS_protein and Bz_SO 2_protein have been synthesized by the succinic anhydride_ carbodiimide method and the sulfonyl chloride method separately .
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采用乙酸酐和琥珀酸酐对大豆分离蛋白(SPI)进行化学改性。
The effects of acetylation and succinylation on the hydration properties of soybean protein isolate ( SPI ) were discussed .
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提纯的Fab经还原和烷基化后,再用琥珀酸酐修饰,然后用MonoQ柱分离得到轻链和重链。
Then the Light Chain and the Heavy Chain from the Fab were separated by Mono Q column after purified Fab were reduced , alkylated and modified .
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合成了一种烯基琥珀酸酐(ASA)新型乳化剂P-DAVM。
An ASA new-type emulsifier P-DAVM was synthesized .
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以琥珀酸酐,分子蒸馏单甘酯为原料,合成了各项质量指标均符合FAO/WHO标准的琥珀酸单甘酯。
Succinylated monoglyceride was synthesized by reacting succinic anhydride with distilled monoglyceride , and their quality indices were in accordance with the standards of FAO / WHO .
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在交联氧化反应后,以十二烯基琥珀酸酐作为酯化剂,进行小麦淀粉酯化反应,考察反应温度、反应时间、反应pH值和酯化剂用量等主要因素的影响。
After cross-linking and oxidation reactions , the wheat starch was esterified with 12-ethylene succinic anhydride as the esterifying agent . By doing so , the effects of the proper reaction temperature , reaction time , pH and the dosage of 12-ethylene succinic anhydride were determined .
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介绍了烯基琥珀酸酐(ASA)的性质、结构、施胶机理和施胶工艺,着重介绍了ASA在纸板生产中的应用。
The characteristics , structure , sizing principle and sizing technology of ASA ( Alkenyl Succinic Anhydrides ) are introduced with the focus given on the applications of ASA in the production of quality paperboard .
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以己烯雌酚(DES)、琥珀酸酐和牛血清白蛋白(BSA)等为主要原料,采用混合酸酐反应(氯甲酸异丁酯法)将半抗原己烯雌酚与载体蛋白BSA联接制备成人工免疫原。
Using diethylstilbestrol ( DES ), succinic anhydride and bovine serum albumin ( BSA ) as main stuff , the artificial-immunogen has been obtained by the mixed acid anhydride reaction ( isobutyl chloroformate method ) to connect hapten DES with carrier-protein BSA .
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在碱性条件下,蜡质玉米淀粉与十二烯基琥珀酸酐(DDSA)反应可制得较高黏度、适宜取代度(DS)的酯化淀粉。
Dodecenly succinic anhydride ( DDSA ) waxy corn starches with paste top viscosity and degree of substitution ( DS ) were prepared by the base catalyzed reaction with starch granular in aqueous slurry .
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本文以气态环己烷选择性催化氧化制取琥珀酸酐为目标反应,采用溶胶凝胶的方法,在Al2O3和ZRP5分子筛两种常规载体上负载纳米TiO2,从而制得一系列的复合载体。
In this thesis , butanedioic anhydride preparation acted as the target reaction by selectively catalytic oxidation of gaseous cyclohexane , nano-TiO2 was loaded on the general supporters of Al2O3 and ZRP-5 molecular sieves based on sol-gel method and a series of composite supporters were obtained .
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方法T-2毒素与琥珀酸酐在吡啶参与下于蒸汽浴中反应,生成T-2-半琥珀酸酐后,再与小牛血清白蛋白经碳二亚胺偶联结合生成T-2毒素抗原。
Methods T 2 toxin in pyridine reacted with succinic anhydride in a steam bath and converted to T 2HS . At the presence of EDPC , T 2HS conjugated with BSA , then BSA T 2HS was prepared .
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本文报道了它的一种改进合成方法,即以DMAP为催化剂,11α-羟基孕酮和琥珀酸酐在二氯甲烷溶剂中回流反应5h,收率可达82.2%,产物的分离得以简化。
Using DMAP as a catalyst , the reaction of 11 α - hydroxyprogesterone with succinic anhydride in methylene chloride by refluxing for 5 hours gave ( 2 ) in 82.2 % yield . The isolation of the product was much more simplified .
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首先将FTB的C6位羟基与琥珀酸酐反应,制备出FTB琥珀酸单酯化合物(FTB-hemisuccinate,FTBS),经元素分析和光谱分析后,再用常规方法与3种载体蛋白脱水结合形成酰胺化合物。
First the hydroxyl group at C-6 position of FTB was reacted with hemisuccinate , forming the FTB-hemisuccinate ( FTBS ), then the compound was identified by ultimate and spectrometric analysis . The FTBS was combined with three carrier proteins respectively to form the amide compound .
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顺酐均相配位催化加氢制琥珀酸酐的研究
Study on the homogeneous hydrogenation of maleic anhydride to succinic anhydride
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环氧树脂柔韧固化剂&链烯基琥珀酸酐的研究
Study on alkenyl succinic anhydride - flexible curing agent for epoxy resin
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无机盐对麦草浆烯基琥珀酸酐施胶的影响
The Effects of Inorganic Salts on Wheat Straw Pulp Sizing with ASA
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顺酐催化氢化反应中琥珀酸酐的气相色谱分析
Gas Chromatographic Analysis of Succinic Anhydride in Catalytic Hydrogenation of Maleic Anhydride
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植物甾醇琥珀酸酐酯化产物的分析表征
Characterization of succinate in the reaction process of phytosterol with succinic anhydride
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双酚-S环氧树脂与琥珀酸酐固化反应动力学
Kinetics of Succinic Anhydride Curing of Bisphenol-S Epoxy Resin
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烯基琥珀酸酐的乳化及应用条件
Emulsification and Applied Conditions of Alkenyl Succinic Anhydride
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钯-三苯膦催化体系选择氢化顺酐制备琥珀酸酐
Selective Hydrogenation of Maleic Anhydride to Succinic Anhydride on PdCl 2 / PPh 3
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枞酸十二醇酯琥珀酸酐的合成与表征
Synthesis and Characterization of Dodecanol Abietate Succinic Anhydride
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医药级琥珀酸酐生产工艺研究
Study on Production Technology of Medical Succinic Anhydride