1) 2-Chloro-5-pyridylmethyl
2-氯-5-吡啶甲基
3) 2-chloro-5-trichloromethylpyridine
2-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。
4) 2-chloro-5-chloromethylpyridine
2-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。
5) 2-chloro-5-(trifluoromethyl)-pyridine
2-氯-5-(三氯甲基)吡啶
6) 2-chloro-5-methyl-4-nitro-pyridine
2-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
补充资料:(E)-N-(6-氯-3-吡啶甲基)-N’-甲基-2-硝基亚乙烯基二胺
分子式:C11H15ClN4O2
分子量:270.7181
CAS号:120738-89-8
性质:浅黄色结晶体
制备方法:暂无
用途:暂无
分子量:270.7181
CAS号:120738-89-8
性质:浅黄色结晶体
制备方法:暂无
用途:暂无
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条