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烯基

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For developing an immunoassay for multiple residues of pyrethroid pesticides, the hapten N-2- carbanmoyl-(3"-phenoxyphenyl) methyl 3-(2"-Cldoro-3",3",3"-trifluoropropenyl)-2, 2-dimethylcyclopropane- carboxylate was synthesized from cyanohydrin and 3-(2"-Chloro-3",3",3- trifluoropropenyl)-2, 2-dimethylcyclopropanecarboxylic acid via hydrolysis and esterification. The synthesis of the hapten was foundation of preparaing anti- cyhalothrin polyclonal antibodies.

为了制备对单一拟除虫菊酯高特异性的抗体,以菊酸和氰醇为起始原料,通过水解、酯化反应合成了半抗原N-2-氨甲酰-(3-苯氧基苄基)甲基-3-(2-氯-3,3,3-三氟丙烯基)-2,2-二甲基环丙烷羧酸酯,为进一步制备抗三氟氰菊酯的特异性抗体奠定基础。

A steel bar is washed and dried, and then put into a glass pipe which is sealed to obtain stirring magneton; a mixed solvent of Gamma-methacrylate oxide propyl trimethoxy silane and methanol is prepared and added with an organic base to obtain a pre-bonding solvent; the stirring magneton is immerged into the pre-bounding solvent, and the outer surface of the glass pipe of the stirring magneton is bonded with a layer of silane substance with alkenyl; a reactive monomer mixture and a pore-forming agent mixed solvent are evenly mixed and then added into a container, the stirring magneton after the pre-bounding is put into the container which is sealed and then put into a water bath; after reaction, the container is removed, the stirring magneton coated with a polymer is taken out and put into a extractor and extracted by using a solvent; or the stir bar is immersed into the solvent till no impurity can be checked in the solvent, thereby obtaining the product.

将铁条清洗干燥,放入玻璃管内,密封得搅拌磁子;配制γ-甲基丙烯酸氧丙基三甲氧基硅烷与甲醇的混合溶液,加入有机碱得预键合溶液,将搅拌磁子浸入预键合溶液,在搅拌磁子的玻璃管外壁键合一层带烯基的硅烷化物质;将反应单体混合剂和致孔剂混合溶液混匀后倒入容器中,将预键合后的搅拌磁子放入容器,密封后置于水浴中,反应后除去容器,取出涂有聚合物的搅拌磁子,置于提取器中,以溶剂提取,或将搅拌棒置于溶剂中浸泡至溶剂中无杂质检出,得产物。

Two kinds of dsDNA intercalating fluorescent dyes, [Ru2]2+(phen = 1,10-phenanlinthroline; dppz = dipyrido [3,2-a:2',3'-c] phenazine) and BOBO-3 2,2\'-1,3-propanediylbis[(dimethyliminio-3,1-propanediyl -1(4H)-pyridinyl-4-ylidenemethy-lidynebis[3-methyl]-benzothiazoe were employed in this chapter, and two non-covalent labeled fluorescence sensing systems for thrombin determination were successfully developed and compared based on its 29-mer aptamer.

本章利用dsDNA嵌入式荧光染料[Ru2]2+(phen = 1,10-二氮菲; dppz =吡啶[3,2-a:2',3'-c]吩嗪)及BOBO-32,2\'-1,3-丙二基二[(二甲基亚氨基-3,1-丙二基-1(4H)-吡啶基-4-(丙-1,3-二烯基二[3-甲基]-苯并噻唑),基于适配体29-mer,分别建立了两种凝血酶检测体系[Ru(phen2]2+及BOBO-3检测体系。

Unsaturated alkynyl alcohols, such as dehydronerolidol, dehydrogeranyllinalool, and dehydroisophytol, were prepared by ethynylation of turpentine derivatives, namely terpenylacetones, e. g. geranylacetone, farnesylacetone, and phyton under normal pressure in presence of alkali metal hydroxide and organic solvents.

松节油衍生物格萜烯基丙酮,如香叶基丙酮、金合欢基丙酮和植物酮在常压条件,碱金属氢氧化物和有机溶剂存在下可发生乙炔化反应,形成对应的α,β-不饱和炔醇化合物脱氢橙花叔醇、脱氢香叶基芳樟醇和脱氢异植物醇。

The reaction of the compound - 3 - triaiylstannyl -1,1 - diphenyl - 2 - propenyl - 1 -ol with ICl,Br2,I2 formed organotin halides ,which reacted with KOH to form organotin oxide or hydroxide.

首次以非碳环醇-3-三芳基锡基-1,1-二苯基-2-丙烯基-1-醇[Ph_2 CCH=CHSnAr_3]和卤素或拟卤素发生取代反应得到卤化物,并以此合成了氢氧化物、氧化物和配合物。

Also useful are oil-soluble copper dithiocarbamates of the general formula Rc RdzCu, where z is 1 or 2, and Rc and Rd are the same or different hydrocarbyl radicals containing from 1 to 18, and preferably 2 to 12, carbon atoms, and including radical s such, for example, as alkyl, alkenyl, aryl, aralkyl, alkaryl and cycloaliphatic radicals.

通用化学式为RcRdzCu的油溶性二硫代氨基甲酸铜,也非常有用。式中,z为1或2,Rc和Rd是含有1到18个碳原子(最好含有2-12个碳原子)的相同或不同的烃基根,并且包括烷基、链烯基、芳基、芳烷基、烷芳基和环脂基等。

Amino-2-methylpropanol was utilized as a chemical modifying reagent to modify carboxyl groups in unsaturated fatty acids into nitrogen-containing heterocycles, which effectively suppressed the migration of double bonds of the alkenyl within the electron impact source and led to regular informative mass spectra indicative of the position of the olefinic bonds in the chain.

以2-氨基-2-甲基丙醇为脂肪酸的化学修饰试剂,将不饱和脂肪酸羧基化学修饰试剂,将不饱合脂肪酸羧基化学修饰成含氮杂环,从而避免了链烯基中碳碳双键在EI源中的移动,并使质谱呈现显示双键位置的规范信息。

To study the bioactive components from water soluble extract of the Chinese eaglewood, various column chromatography of Chinese eaglewood led to the isolation of ten compounds. Their structures were elucidated as 2,3-bis(3-hydroxyphenyl)- propan-1-ol (1), [(2R,3R)-3-(4-amino-3,5-dimethoxyphenyl)oxiran-2-yl]methanol (2), 8-chloro-4'- methoxy-5,6,7,3'-tetrahydroxy-2-(2-phenethyl)-5,6,7,8-tetrahydrochromone (3), 4'-methoxy-5,6,7,3'-tetrahydroxy-2--5,6,7,8-tetrahydrochromone (4), the isomer of 4 (5), 4'-methoxy-5,6,7,8-tetrahydroxy-2-(3'-hydroxyphenethyl)-5,6,7,8- tetrahydrochromenone (6), 4'-methoxyisoagarotetrol (7), 6-hydroxy-2-(2-hydroxy-2- phenethyl)-chromone (8), 6-hydroxy-2-(2-phenethyl)-chromone (9), 6-hydroxy-2-(4'- hydroxy-2-phenethyl)-chromone (10), and Guaiacylacetone (11) by means of spectral analysis and comparison with references.

为了进一步发现沉香中具有生理活性的化学成分,本文对国产沉香的水溶性成分进行了研究,从中分离得到11个化合物,通过红外、紫外、质谱、核磁共振(1H-NMR, 13C-NMR, COSY, HSQC, HMBC, ROESY)波谱解析,分别鉴定为:2,3-二(3-羟基苯基)-丙-1-醇(1),[(2R,3R)-3-(4-氨基-3,5-二甲氧苯基)-2-氧化烯基]甲醇(2),8-氯-4'-甲氧基-5,6,7,3'-四羟基-2-(2-苯乙基)-5,6,7,8-四氢色原酮(3),4'-甲氧基-5,6,7,3'-四羟基-2-(2-苯乙基)-5,6,7,8-四氢色原酮(4),化合物3的差向异构体(5),4'-甲氧基-5,6,7,8-四羟基-2-(3'-羟基-2-苯乙基)-5,6,7,8-四氢色原酮(6),4'-甲氧基异沉香四醇(7),6-羟基-2-(2-羟基-2-苯乙基)色原酮(8),6-羟基-2-(2-苯乙基)色原酮(9),6-羟基-2-(4'-羟基-2-苯乙基)色原酮(10)和Guaiacylacetone (11)。

Substituent effect of pyrazoles was also investigated by DNMR and DFT.We successfully synthesized these intermediates with exclusively-conformations in a mild condition. X-ray results show that substituents in the pyrazolyl ring affect greatly on the structures of products, especially theπdelocation of the fragment 1-metal-butadiene.

本文以取代吡唑和1-炔基Fischer卡宾化合物的Michael加成反应合成了12个-型β-吡唑基烯基卡宾化合物,反应条件温和。X-ray晶体衍射显示吡唑上取代基对产物结构,特别是1-M-丁二烯的共轭程度具有较大的影响。

Hydroesterification of tert-butyl alcohol with ethanol catalyzed by transition metal triphenylphosphine complexes were investigated in room temperature ionic liquids as reaction medium at 100-140℃ and 3-6MPa of CO.

首次在超强酸氯铝酸离子液体中实现了饱和烷烃的羰化反应。发现2,2,4-三甲基戊烷可直接与CO反应,产物叔丁基异丁基酮,叔丁基异丁烯基酮和3,3,5-三甲基环己酮。

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推荐网络例句

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称;三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起,称之为挽歌体诗人或者史诗诗人,他们被称为诗人,似乎只是因为遵守格律写作,而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。

This is not paper type of business,it's people business,with such huge money involved.

这不是纸上谈兵式的交易,这是人与人的业务,而且涉及金额巨大。