查询词典 chloro-anemia

Tebufenpyrad, a new high effective pyrazoleamide acaricide , was synthesized from 1-methyl-3-ethyl-4-chloro-5-pyrazolecarbon acid and 4-t-butylbenzylamine, the raw material are propionyl pyruvic ethyl ester and 4-t-butyl benzylchloride.

吡螨胺是一种新型、高效的吡唑酰胺类杀螨剂，本文以中间体1-甲基-3-乙基-4-氯-5-吡唑甲酸和4-叔丁基苄胺合成，起始原料丙酰丙酮酸乙酯和4-叔丁基苄氯，总收率为61.23%。

The "acetal route" starts from 2-chloro-4-cyanopyridine, 8 , and represents an enantioselective and optimized modification of the original racemic discovery chemistry synthesis.

"缩醛三号"从2-氯-4-氰基、八日而且是不对称和优化原始消旋发现化学合成。

The processes are first put forward that chloro alkane take partin reaction through free radical intermediates.

通过上述研究的实验结果，首次提出了〓／膦体系在上述溶剂中的自由基反应机理。

At first,the intermediate of sodium 3-chloro-2-hydroxy propanesulfate was synthesized from epichlorohydrin and sodium bisulfite;And then,using NaOH as a catalyst,the title compound has been synthesized from intermediate and allyl alcohol to reach the yield of about 70%.

先由环氧氯丙烷和亚硫酸氢钠合成中间体3-氯-2-羟基丙磺酸钠，然后中间体再与丙烯醇在氢氧化钠催化下生成目标产物2-羟基-3-烯丙氧基丙磺酸钠。

Moreover, the atomy economy increases; meanwhile, the environment effect decreases. This experiment need not consume sodium chloride to reduce the 4-chloro-2-nitrophenol solubility. The working procedure of hydrolysis may participate in reduction process without being liquid-solid separation; consequently there is no waste water to bring contamination.

将中间体4-氯-2-硝基苯酚钠(C6H3ClNO3Na)改为4-氯-2-硝基苯酚(C6H4ClNO3)的工艺，其原子利用率和环境因子有所提高；不需再加入食盐来降低4-氯-2-硝基苯酚在水中的溶解度；水解反应不需要进行固-液分离，直接进入还原工序，没有"三废"问题。

My company can provide pesticide, medicine, veterinary medicine intermediates, have 48 kinds of products (p-Bromo-p-Bromotoluene bromoform 1 - bromo-heptane Triethyl Citrate 1,2,3 - three Bromopropane 3 - Chlorine -4 - fluoro bromobenzene Bromotoluene ethylbenzene 4 - bromo -2 - bromo-ethyl-Chloroaniline 2 - bromo--5 - chloro-toluene 3 - bromo-C methyl 1,6 - dibromo-hexane 1 - bromo --4 - p-methoxy benzaldehyde o-bromo-acetic acid propyl bromide p-fluorotoluene dodecane four bromoethane of iodine bromide toluene tert-butane Tributyl Citrate 2 - bromo-p inter - Hydroxybenzaldehyde bromine butane 2 - bromo-propionic acid bromide veratryl aldehyde inter-bromo-trifluoro-n-hexane of toluene on Bromoxynil Bromotoluene toluene ethylbenzene o-bromophenol bromide Cyclohexane Cyclopentane bran bromate bromide Malay Dibutyl Ethyl Lactate Propylene between bromine bromine bromine between aniline o-anisidine o-fluorophenol difluorobenzonitrile to aminobenzaldehyde Bromotoluene aniline on Bromobenzaldehyde Bromotoluene acid) expressed the hope that customers contact us!

我公司可提供农药，医药，兽药中间体，有四十八种产品(对溴苯酚对溴甲苯溴仿 1-溴庚烷柠檬酸三乙酯 1，2，3-三溴丙烷 3-氯-4-氟溴苯对溴乙苯 4-溴-2-氯苯胺溴乙酸乙酯 2-溴-5-氯甲苯 3-溴丙酸甲酯 1，6-二溴己烷 1-溴-4-硝基苯邻甲氧基苯甲醛溴乙酸丙酯对氟甲苯溴代十二烷对碘甲苯四溴乙烷溴代叔丁烷柠檬酸三丁酯 2-溴氯苯间羟基苯甲醛溴丁烷 2-溴丙酸黎芦醛溴已烷间溴三氟甲苯对溴苯腈对溴乙苯邻溴甲苯溴代环已烷溴代环戊烷糠溴酸马来酸二丁酯溴丙烯乳酸乙酯间溴苯胺间溴苯甲醚邻氟苯酚邻氟苯腈对氨基苯甲醛对溴苯胺对溴苯甲醛对溴苯甲酸)希望广大客户与我司联系！

The paper presents that 7-chloro-4-nitrobenz-2-oxa-1,3-diazole and isoniazide can produce an orange condensation product in carbinol medium and a new determination way of isoniazide is found based on it.

研究了异烟肼与7氯 4 硝基苯并 2 氧，3 二氮唑在甲醇介质中生成橙色缩合产物的最佳条件，并由此建立了一种间接分光光度法测量药物中异烟肼的新方法。

And solicitation reagent in the preparation of 2,4- dichlorofluorobenzene from 2-Chloro-1-fluoro-4-nitrobenzene via reactive distilled chlorate were investigated.

和引发剂等因素对反应速度及产率的影响。

Using PbO2/Ti as anode,pure lead as cathode,H2SO4 as medium,MnSO4 was electrolyzed into Mnin a undivided cell,then,using Mnas oxidant, p-chloro-toluene was oxidized into p-chloro-phenylaldehyde.

采用无隔膜电解槽，以PbO2／Ti为阳极，纯Pb为阴极，MnSO4在H2SO4介质中电解为Mn，于电解槽外氧化对氯甲苯生成对氯苯甲醛。

In search of novel pesticide leading compound with high bioactivity,thirty-five 4-chloro- phenyl methyl ketone oxime ether derivatives were designed and synthesized by the reaction of 2-substituted amino 4-chloro phenyl methyl ketone oxime with halohydrocarbon.

为寻找高活性的新农药化合物，通过2-取代氨基-1-对氯苯乙酮-1-肟与卤代烃反应，设计并合成了35个对氯苯乙酮肟醚衍生物，其结构均经核磁共振氢谱和元素分析确证。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。