溴化后与2-氨基-5-甲基吡啶反应生成咪唑吡啶。
This is brominated and reacted with 2-amino-5-methylpyridine to give the imidazopyridine.
采用铜粉、硫粉、硫化钾及3-甲基吡啶在常湿、常温下直接合成了标题化合物。
The title compound has been obtained by the reaction of copper powder with sulfur powder, potassium sulfide and 3-methylpyridine at ambient temperature and normal atmosphere.
2,3-二氯-5-三氟甲基吡啶是杀虫剂氯氟脲类合成农药的关键中间体。
2,3-Dichloro-5-trifluoromethylpridine is a key intermediate of synthesis pesticides of insecticide chlorfluazuron.
弱碱（吡啶，二甲基吡啶或可力丁）的存在将亚磷酸三酯氧化为四配位磷酸三酯。
The presence of a weak base (pyridine, lutidine, or collidine ) oxidizes the phosphite triester into a tetracoordinated phosphate triester.
本发明公开了一种2 -氨甲基吡啶镍配合物及其制备方法和应用。
The invention discloses a 2-ammonia methyl-pyridine nickel composition, a preparation method and the application thereof.
报道了超高效除草剂啶嘧磺隆的中间体2-巯基-3-三氟甲基吡啶的合成方法。
The synthesis of the intermediate 2-mercapto-3-trifluoromethylpyridine which was highly active herbicide flazasulfuron was reported.
本文用2-氯-5-氯甲基吡啶经氨基化，和N-氰基乙亚胺酸乙酯反应，最后甲基化得到吡虫清。
In this thesis, 2-chloro-5-chloromethyl pyridine is ammoniated, which followed by the reaction with N-cyano ethyl ethylimidoate, finally is methylated to gain the objective product.
现在研究人员正在测试肠胃舒泰和N -甲基吡啶的混合物，人体测试将确定这是否会有胃酸逆流的可能。
Now the researchers are test roasting a stomach-soothing N-methylpyridinium blend. Human trials will determine if it has all the boldness with none of the reflux.
甲基吡啶的热稳定性比吡啶差，热解时甲基首先脱离芳香环进入气相，随后芳香环的反应途径和吡啶类似；
In the picoline pyrolysis experiment, the methyl disengages from aromatic ring to form methane firstly, then the following reaction of the aromatic ring is similar to pyridine.
在一定的条件下，在盐酸和氯化铵溶液中，2-甲基吡啶、4-甲基吡啶、吡啶和3-甲基吡啶的缓蚀效率依次升高。
In a certain condition, the corrosion inhibition properties of 2-methyl-pyridine 4-methyl-pyridine pyridine and 3-methyl-pyridine goes up respectively.
讨论了采用程序升温气相色谱法测定2 羟乙基吡啶合成液中甲醛、水、2 甲基吡啶和2 羟乙基吡啶含量的方法。
The determination method of formaldehyde, water, 2-methyl-pyritine, acetic acid and 2-hydroxyethyl-pyritine in the solution of synthesizing 2-hydroxyethyl-pyritine by GC was discussed.
研究了一种直接环合的方法，用2-氯-2氯甲基- 4-氰基丁醛与三氯氧磷反应来制备2-氯-5-氯甲基吡啶。
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.
前言：2，3-二氯-5-三氟甲基吡啶是合成农药杀虫剂定虫隆、除草剂吡氟氯禾灵和杀菌剂氟啶胺的关键中间体。
Abstrat:2,3-Dichloro-5-trifluoromethylpridine is a key intermediate of synthesis pesticides of insecticide chlorfluazuron , herbicide haloxyfop and bactericide fluazinam .
建立了用高效液相色谱法同时测定农药吡虫啉中间体2 -氯-5 -甲基吡啶和2 -氯- 5 -氯甲基吡啶含量的方法。
A method was established for determining two intermediates in synthesis of imidacloprid, 2 chloro 5 methyl pyridine and 2 chloro 5 chloromethyl pyridine by HPLC.
本文介绍的基于氨氧化法生产烟酸的工艺，选择了适当的复合催化剂，使原料3-甲基吡啶转化率可达99％，技术水平达到国外先进水平。
The manufacture process of nicotinic acid based on ammonia oxidation method, which is introduced in this article, reached 99% conversion of 3-methyl pyridine.
建立了以磷酸氢二钾-磷酸盐缓冲溶液中添加甲醇为流动相，以反相高效液相色谱同时测定吡啶、2-氨基吡啶、2-甲基吡啶和2-吡啶甲酸的新方法。
A new reversed phase high performance liquid chromatography method is described for the simultaneous determination of pyridine, 2-aminopyridine, 2-methylpyridine and 2-pyridinecarboxylic acid.
以4甲基吡啶为原料，在固定床反应器中通过含氧化钒的催化剂发生气固相接触氨氧化反应制备雷米封中间体4氰基吡啶，4甲基吡啶的转化率为99%，4氰基吡啶的选择性为88%，收率为87。
4-cyanopyridine, intermediate of rimifon, was synthesized from 4-picoline using vanadium oxide as a catalyst in a fixed-bed reactor, reached 99% conversion of 4-picoline, 88% selectivity and 87.
结果表明，在水中树脂对吡啶和N，N—二甲基苯胺的吸附主要以疏水吸附机理进行；
The dominating mechanism of adsorption of pyridine and N, N-dimethylaniline by phenolic resin adsorbent in aqueous solutions is deduced a hydrophobic sorption process from the experimental results.
目的：探讨1 （3氟苯基）5甲基2 （1H）吡啶酮对鼠肾纤维化的治疗作用。
Objective To explore the curative effects of 1 (3 fluorophenyl) 5 methyl 2 (1H) pyridone (FMP) on renal fibrosis in rats.
研究了酚醛型吸附树脂在水体系中对吡啶和N,N—二甲基苯胺的静态和动态吸附行为。
The adsorption of phenolic resin adsorbent for pyridine and n, N-dimethylaniline was studied in aqueous solutions under static and dynamic conditions in this paper.
本工作定量测定了2-乙烯基吡啶-甲基丙烯酸甲酯-铑络合物的烯烃催化加氢性能与共聚物配体序列结构的关系。
The quantitative relationships between the catalytic ability of Rh-complex of 2-vinyl pyridine-methyl methacrylate copolymer and the sequence structures of the copolymer ligands have been determined.
添加剂4-苯基吡啶氮氧化物（PPNO）或三甲基氧化氨（MNO）对产物的对映选择性略有改善。
The addition of the donor ligand such as 4-phenylpyridine N-oxide (PPNO) or trimethylamine N-oxide (MNO) exhibits a minor positive effect on the enantioselectivity.
本文介绍了N-甲基-2-溴代吡啶卤化盐在多肽合成中应用的研究结果。
This paper describes the application of N-methyl-2-bromo-pyridium halide as a condensing reagent in peptide synthesis.
二甲基-4-（2-氯苯基）-1，4-二氢-3，5-吡啶二羧酸二甲酯对大鼠野百合碱性肺动脉高压的防治作用。
Effect of dimethyl 4 (2 chlorophenyl) 1,4 dihydro 2,6 dimethyl 3,5 pyridinedicarboxylate on the chronic pulmonary hypertension induced by monocrotaline in rats.
以N-甲基乙酰胺、醋酸乙烯酯为原料，N，N-二甲氨基吡啶（DMAP）为催化剂，合成N-甲基-N-乙烯基乙酰胺。
N-Methyl-N-vinylacetamide was synthesized from N-methylacetamide and vinyl acetate with N, N-dimethylamino pyridine (DMAP) as catalyst.
本发明涉及一种稳定的、高纯度的7-苯乙酰氨基-3-吡啶甲基-3-头 孢菌素-4-羧酸对甲氧苄酯晶体及其制备方法。
The present invention relates to the stable and high purity 7-phenacetylamino-3-pyridylmethyl -3-cynnematin-4-p-methoxybenzyl carboxylic ester crystal and its preparation process.
本发明涉及一种稳定的、高纯度的7-苯乙酰氨基-3-吡啶甲基-3-头 孢菌素-4-羧酸对甲氧苄酯晶体及其制备方法。
The present invention relates to the stable and high purity 7-phenacetylamino-3-pyridylmethyl -3-cynnematin-4-p-methoxybenzyl carboxylic ester crystal and its preparation process.
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