2-氯-5-氯甲基吡啶,2-chloro-5-chloromethylpyridine英语短句,例句大全

2-氯-5-氯甲基吡啶,2-chloro-5-chloromethylpyridine
1)2-chloro-5-chloromethylpyridine2-氯-5-氯甲基吡啶
1.A synthetic method of direct cyclization was researched that 2-chloro-2-chloromethyl-4-cyanobutyraldehyde was reacted with phosphorus oxychloride to get 2-chloro-5-chloromethylpyridine.2-氯-5-氯甲基吡啶是合成吡虫啉和腚虫脒等杀虫剂的关键中间体。
2.The optimum condition of oxidation was 2-chloro-5-chloromethylpyridine 20?mmol, NaHCO_3 40?mmol, KI?10?mmol, DMSO?100?mL, the reaction temperature 100℃, the reaction time 8?h.根据Kornblum反应原理,采用二甲亚砜(DMSO)氧化2-氯-5-氯甲基吡啶,一步反应得到6-氯吡啶-3-甲醛。
3.The way of morpholine to produce 2-chloro-5-chloromethylpyridine with high purity and low cost raw material.2-氯-5-氯甲基吡啶是农用杀虫剂吡虫啉、乙虫咪、烯啶虫胺和噻虫啉的重要中间体,采用吗啉法制备2-氯-5-氯甲基吡啶,具有纯度高、原材料成本低、三废少的特点,是一条值得关注的、可行的工业化路线。

英文短句/例句

1.Production Status Quo and Market Trends of 2-Chloro-5-chloromethylpyridine in China;我国2-氯-5-氯甲基吡啶的生产现状及市场前景
2.The Developing Tendency of Synthesis of 2-chloro-5-trifluoromethyl-pyridine2-氯-5-三氟甲基吡啶的合成进展
3.Study of Using Pillar Chromatography to Separate and Purify 2-chloro-5-Trichloromethylpyridine;柱色谱分离提纯2-氯-5-三氯甲基吡啶的研究
4.Study on the Synthesis of Imidacloprid's Intermediate 2-Chlorl-5-Methyl-Pyridne;制备吡虫啉中间体2-氯-5-甲基吡啶的研究
5.Synthesis of 3-Bromo-1-(3-chloro-2-pyridinyl)-1H-pyrazole-5-carboxylic Acid3-溴-1-(3-氯-2-吡啶基)-1H-吡唑-5-甲酸的合成
6.Synthesis of 2-chloro-5-nitropyridine and 4-amino-2-chloropyridine2-氯-5-硝基吡啶和4-氨基-2-氯吡啶的合成研究
7.A Study on the Preparation of 2-Chloro-6-(trichloromethyl)pyridine2-氯-6-三氯甲基吡啶的制备研究
8.Synthesis of 1-(3-Chloro-2-pyridyl)-3-trifluoromethyl-1H-pyrazole-5-carboxylic Acid1-(3-氯-2-吡啶基)-3-三氟甲基-1H-吡唑-5-甲酸的合成
9.Abstract: 2 - Chloro - 5 - chloromethylpyridine is an importantintermediates of the pesticide and the pharmacology.文摘:2－氯－5－氯甲基吡啶是农药和医药的重要中间体。
10.DETERMINATION OF BOVINE SERUM ALBUMIN WITH 5-Cl-PADAT BY FADING SPECTROPHOTOMETRY5-(5-氯-2-吡啶偶氮)-2,4-二氨基甲苯褪色光度法测定牛血清蛋白
11.Simultaneous spectrophotometric determination of Rhodium(Ⅲ) and Palladium(Ⅱ) with 2-(3,5-Dichloro-2-pyridylzao)-5-dimethylaminoaniline2-(3,5-二氯-2-吡啶偶氮)-5-二甲氨基苯胺光度法同时测定铑与钯
12.Synthesis and Characterization of 2-Chloro-3-cyanomethylpyridine2-氯-3-氰甲基吡啶的合成及表征
13.Study on Synthesis of 2-chloro-5-methyl Pyridine by BTC and Its Derivatives;固体光气合成2-氯-5-甲基吡啶工艺研究及其衍生物的合成
14.Study on the Synthesis Process of 2, 3-Dichloro-5-Trifluoromethylpyridine as an Important Intermediate of Pesticides;农药中间体2，3-二氯-5-三氟甲基吡啶的合成工艺研究
15.Spectrophotometric Determination of Micro Amounts of Copper With 4 -[ ( 5 -Chloro-2 -Pyridyl ) azo] - 1 , 3- Diaminobenzene ( 5-CI-PADAB)4-〔(5-氯-2-吡啶)偶氮〕-1,3-二氨基苯分光光度法测定微量铜
16.Synthesis of the New Reagent 1-azobenzene-3-(3-nitro-5-chloro-2-pyridyl)-triazene and its Color Reaction with Cadmium;1-偶氮苯-3-(3-硝基-5-氯-2-吡啶)-三氮烯的合成及其与镉的显色反应
17.The Synthesis of 2, 3, 5-trichloropyridine and 2, 3-difluoro-5-chloropyridine;2，3，5-三氯吡啶及2，3-二氟-5-氯吡啶的合成研究
18.Synthesis of 2-(2,4-Difluoro)Phenyl-5-Alkyloxy Methyl Pyridine Derivatives2-(2,4-二氟苯基)-5-烷氧甲基吡啶的合成

相关短句/例句

2-chloro-5-methyl pyridine2-氯-5-甲基吡啶
3)2-Chloro-5-pyridylmethyl2-氯-5-吡啶甲基
4)2-chloro-5-trichloromethylpyridine2-氯-5-三氯甲基吡啶
1.Determination of 2-chloro-5-trichloromethylpyridine by GC/MS;气相色谱-质谱联用分析2-氯-5-三氯甲基吡啶
2.A preparative high performance liquid chromatographic technique was used to separate and purify 2-chloro-5-trichloromethylpyridine from the products of photochemical chlorination with 3-methylpyridine as raw material.利用制备型高效液相色谱从3-甲基吡啶光氯化产物中分离纯化得到2-氯-5-三氯甲基吡啶,对制备色谱的洗脱方式、洗脱剂组成及浓度、进样量等参数进行了优化。
5)2-chloro-5-(trifluoromethyl)-pyridine2-氯-5-(三氯甲基)吡啶
6)2-chloro-5-methyl-4-nitro-pyridine2-氯-4-硝基-5-甲基吡啶
1.Seperation of 2,4-dichloro-5-meyhyl-pyridine and 2-chloro-5-methyl-4-nitro-pyridine by HPLC;HPLC法分离2,4-二氯-5-甲基吡啶和2-氯-4-硝基-5-甲基吡啶