磺酸酯
- 名sulfonate;sulphonate
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两种4-N,N-二甲氨基偶氮苯-4~′-磺酸酯衍生物的合成及其在极化聚合物薄膜中d(33)的测定
Synthesis of Two Kinds of 4 N , N Dimethylaminoazobenzene 4 ′ Sulfonate Derivatives and Evaluation of Their d 33 in Poled Polymer Films
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对正定霉素和甲基甲烷磺酸酯所诱发的TA98和TA100菌株的回复突变,具有抗突变作用;
It had the anti-mutation function that can inhibit mutagenicity of Daunomycin and Methane Sulfonate in strains TA98 and TA100 .
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3种化学诱变剂是丝裂霉素C(MMC,DNA交联剂)、博来霉素(BLM,似X线剂)、甲基甲烷磺酸酯(MMS,烷化剂)。
The three chemical mutagens were mitomycin C ( MMC , DNA crosslinker ), bleomycin ( BLM , radiometric agent ), methyl methanesulfonate ( MMS , alkylating agent ) .
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洋葱精油具有许多生理活性功能,这些生理功效都归因于其中的有机硫化合物特别是硫代亚磺酸酯(TS),最大限度地提高洋葱精油中TS含量是洋葱精油提取工艺中首要解决的问题。
The onion essential oil has many biological activities and these physiological effects attribute to the organic sulphuric compound , specially thiosulfinates ( TS ) it contained .
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2-(哌啶-硫代磺酸酯)-1,3-丁二烯与C60的Diels-Alder反应研究
The Diels-Alder Reaction of 2 - ( Piperidine-carbodithioate ) - 1 , 3-Butadiene with C_ ( 60 ) - fullerene
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通过DSC、TG和IR数据可以看出,磺酸酯单体的保护基团的种类对树脂的分解温度和热稳定性有很大的影响,而磺酸酯单体的种类影响很小。
DSC , TG and IR data revealed that decomposition temperature and thermal stability of the copolymer mainly relied on the type of protecting groups , almost regardless of the kind of sulfonate unit .
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通过DSC和IR分析测试手段,发现该类聚合物在200-240℃发生热分解,聚合物中的磺酸酯基团能够在较短时间内分解生成磺酸,并且其热分解表现出自加速效应。
By using DSC and IR , it was indicated that these bipolymers were thermo-decomposed at 200-240 ℃ and sulfonate unit could produce sulfonic acid in a relatively short time and its thermo-decomposition showed a self-acceleration effect .
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化合物2再在三乙胺作用下与2mol的甲烷磺酰氯反应制成甲磺酸酯(3);
The compound 2 then reacted with 2 equiv. of methylsulfonyl chloride and 3 equiv.
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在微波辐射下,以NMP(1-甲基-2-吡啶酮)为溶剂,芳基三氟甲磺酸酯可与胺反应生成芳胺。
Aryl triflates were effectively converted to the corresponding anilines under the irradiation of microwave in the absence of base or catalyst by using NMP ( 1-mehyl-2-pyridone ) as a solvent .
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在镀铂的玻碳电极表面,修饰一层全氟代磺酸酯(Nafion)膜,制成基底电极。用化学交联法将半乳糖氧化酶(GAD)固定在基底电极表面,即制成半乳糖传感器。
A platinized glassy carbon electrode ( GCE ), > modified with Nafion and immobilized with galactose oxidase ( GAD ) , is used in the construction of sensor for the detection of galactose .
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硫代亚磺酸酯是大蒜中的活性成分,由大蒜中非蛋白质氨基酸&蒜氨酸(alliin)经内源酶蒜氨酸酶(alliinase,蒜氨酸裂合酶,EC4.4.1.4)的酶解作用而生成。
Thiosulfinates are the best known biological active compound in garlic . It is produced by the interaction of nonprotein amino acid alliin with enzyme alliinase ( alliin lyase , EC 4.4.1.4 ) .
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可能的解释是在高介电常数的非质子性溶剂中(如DMSO,DMF),溶剂参与了反应,促使磺酸酯发生S&O断裂,生成的~OCH2R'与酰氟作用而得酯。
A possible interpretation is that in the aprotic solvents with high dielectric constant ( such as DMSO , DMF ), the solvent molecules may participate in an initial S-O scission , followed by the attack of the resulting R '_FCH_2O on acyl fluoride to give the ester .
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方法3′O(二苯膦酰氧)甲基缩醛核苷(1)在三甲基硅三氟甲磺酸酯(TMSOTf)条件下,与3′位保护的脱氧核苷(2或6)缩合。
Methods In the presence of trimethylsilyl trifluoromethane-sulfonate ( TMSOTf ), condensation of 3 ′ - O - ( diphenylphosphinyloxy ) methyl acetal ( 1 ) with 3 ′ - protected deoxynucleoside ( 2 or 6 ) afforded dimers ( 3 ) or trimers ( 7 ) respectively .
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硫代亚磺酸酯参与大蒜绿变作用机理初探
Preliminary study on the mechanism of action of thiosulfinates during garlic greening
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蒜片微波真空干燥过程中硫代亚磺酸酯变化机理
Mechanism of Thiosulfinates Changing in Garlic Slices during Microwave / Vacuum Drying
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基于磺酸酯的荧光探针用于活细胞内过氧化氢的成像检测
Sulfonate-based fluorescent probes for imaging hydrogen peroxide in living cells
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易溶性铜酞菁磺酸酯的合成及其凝聚性能
Synthesis of Copper Phthalocyanine Sulfonates and Their Condensation Properties
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三种脱氧核苷5′-O-对甲苯磺酸酯的合成
Synthesis of 5 ′ tosyl derivatives of 2 ′, 3 ′ dideoxy nucleosides
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分光光度法测定大蒜提取物中硫代亚磺酸酯
A spectrophotometry to determine thiosulfinates in garlic extract
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一种含磺酸酯基亲和性变化树脂的合成及其热分解性能研究
Study on Thermolysis Properties of affinity switching polymer containing sulfonate unit and its preparation
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四-(ω-羟基聚乙氧基)-季戊四醇醚及其磺酸酯化合物的合成
Syntheses of Tetrakis ( w - hydroxypolyethyleneoxy ) ether of Pentaerythritol and Their Sulfonates
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后期干燥温度为55℃,制得的大蒜片中硫代亚磺酸酯的保留率达84.8%。
The pro-temperature was 55 ℃ . The reservation of thiosulfinates was 84.8 % .
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铜催化下格氏试剂与磺酸酯的交叉偶合&家蝇引诱剂的合成
Copper Catalyzed the Cross-coupling Reaction of Grignard Reagent with Sulfonic Ester & Synthesis of Muscalure
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有机磷及氨基甲酸酯类农药残留检测用豇豆酯酶的初步研究氨基甲酸-2-戊酯氨基甲酰磺酸酯基团
Elementary Research on Vigna Unguiculata ( Linn . ) Esterase Used for Detecting Organophosphorus and Carbamate Pesticides Residues
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为了建立气相色谱-质谱检测进出口农产品中乙嘧酚磺酸酯的检测方法。
Bupirimate in agricultural products was extracted and concentrated with acetonitrile , and purified using solid phase extraction column .
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通过固相熔融的方法,使4,4′-联吡啶与磺酸酯或苄溴进行反应。
The reaction of tosylate or benzyl bromide containing stopper with 4,4 ′ - bipyridine was carried out under solvent-free .
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磺酸酯是一种使用广泛的化合物,常用作表面活化剂、离子交换树脂、染料、动物饲料、杀虫剂和医药品等。
Sulfonate esters are compounds that are used widely as surface active agent , ion-exchange resin , dye , pesticide and medicine .
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最后,用对甲基苯磺酸酯做烷基化试剂,又得到化合物4的单烷基化产物(91.4%)与双烷基化产物(88.9%)。
Monoalkyl ( 91.4 % ) and dialkyl ( 88.9 % ) derivatives of compound 4 are afforded with methylsulphate as alkylation agent .
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磺酸酯的化学反应对于现代有机化学基本概念的发展起着相当重要的作用。
Reactions of sulfonate esters have played an important role in the development of many of the fundamental concepts on which modern organic chemistry .
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水体中痕量邻苯二甲酸酯类,4-硝基甲苯、二苯甲酮和正丁苯类环境激素的测定二丁基锡磺酸酯催化酯交换合成碳酸二苯酯
Determination of Trace Phthalate Esters , 4-Nitrotoluene , Benzophenone and N-Butylbenzene in Water Samples Synthesis of Diphenyl Carbonate from the Transesterification Catalyzed by Dibutyltin Sulfonates