甲基吡啶
- 与 甲基吡啶 相关的网络例句 [注:此内容来源于网络,仅供参考]
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A method for determination of basic nitrogen-containing compounds in mainstream smoke was established. In the condition of basic substance barium hydroxide powder and extractant chloroform, 18 basic nitrogen-containing compounds were analyzed by gas chromatography-selective ion monitored-mass spectrometry, such as pyridine, 2-methylpyridine, 2-methylpyrazine, quinoline and indole, etc.
在氢氧化钡碱性环境中,以三氯甲烷为萃取剂,采用气相色谱-选择离子监测-质谱法测定吡啶、2-甲基吡啶、2-甲基吡嗪、喹啉、吲哚等18种碱性含氮化合物。
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Methods Starting from 2-chloro-4-nitrophenol and 2- pyridine hydrochlorid, 3-chloro-4-(pyridin-2-ylmethoxy) aniline was obtained via etherization and reduction. The obtained aniline coupled with N-(4-chloro-3-cyano-7-ethoxyquinolin-6-yl) acetamide to give 4-[3-chloro-4-(2-pyridylmethoxy) phenylamino]-3-cyano-7-ethoxy-6-N-acetylaminoquinoline. And then it was deacetylated, followed by reacting with4- but-2-enoyl chloride to yield the target compound neratinib.
以2-氯-4-硝基苯酚和2-氯甲基吡啶为起始原料,经醚化、硝基还原得到3-氯-4-(吡啶-2-甲氧基)苯胺,3-氯-4-(吡啶-2-甲氧基)苯胺与3-氰基-6-乙酰氨基-7-乙氧基-4-氯喹啉反应得到3-氰基-6-乙酰氨基-4-[3-氯-4-(吡啶-2-甲氧基)苯氨基]-7-乙氧基喹啉,3-氰基-6-乙酰氨基-4-[3-氯-4-(吡啶-2-甲氧基)苯氨基]-7-乙氧基喹啉去乙酰保护基后,与-4-二甲氨基-2-丁烯酰氯经酰化反应得到ner-atinib。
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Cobalt forms colored complexes with pyridire,,β-picoline and γ-picoline in aqueous solutions.
在水溶液中鈷和吡啶,3-甲基吡啶,4-甲基吡啶形成紅色的1:1絡离子。
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Picoline was treated with hydrogen peroxide to form intermediate N-oxide-3- methylpyridine then chloridized with benzoyl chloride to form 2-chloro-5-methylpyridine.
以3-甲基吡啶为原料通过过氧化氢氧化得中间产物3-甲基吡啶-N-氧化物,再用苯甲酰氯氯化得到粗产品2-氯-5-甲基吡啶。
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Based on broad information collection, author compared and studied on the old synthesis process, and proposed the better process that started from benzyl chloride, then according to the sequence of " synthesis of benzylamine, synthesis of N-benzyl-N--acetamine, synthesis of 2-chloro-5-methylpridine ,2-chloro-5-trichloromethylpyridine,2-chloro-5-trifluropyridine " five steps to get the final product, CTFP.
本文在查阅大量文献资料和对2-氯-5-三氟甲基吡啶合成路线进行分析比较的基础上,提出了较佳合成路线,即以氯化苄为原料,合成的反应步骤为&苄胺&合成、&N-苄基-N--乙酰胺&合成、&2-氯-5-甲基吡啶&合成、&2-氯-5-三氯甲基吡啶&合成、&2-氯-5-三氟甲基吡啶&合成五步。
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Benzylidene[1,3-bis(2,6-dimethylphenyl)-4,5-dihydroimidazol-2-ylidene]dichloro(2-methylpyridine)ruthenium (62), benzylidene[1,3-bis(2,6-dimethylphenyl)-4,5-dihydroimidazol-2-ylidene] dichloro(2,4-dimethylpyridine)ruthen ium (63) introduce ortho substituted pyridine as dissociating ligand to weaken Ru-N bondand accelerate dissociation of pyridine derivative ligand through steric hindrance.
在钌卡宾配合物[1,3-二-(2,6-二甲苯基)-4,5-二氢咪唑基]-苯亚甲基-(2-甲基吡啶)-二氯合钌(62),1,3-二-(2,6-二甲苯基)-4,5-二氢咪唑基1-苯亚甲基-(2,4-二甲基吡啶)-二氯合钌(63)中,邻位取代的吡啶作为解离配体,通过邻位基团的空间效应削弱钌-氮配位键,使配体更易解离,提高了催化剂的初活性。
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But on the industry, many with the alkyl bandaging, such as bandaging , ergadebidi...
但是在工业上,多以烷基吡啶,如3-甲基吡啶、2-甲基-5-乙基吡啶以及喹啉等为原料制备烟酸。
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Based on the research and development of synthesis of halogenated pyridines the paper chose the electrochemical reduction as a research direction, and to 3,4,5,6–tetrachloropicolinic acid, pentachloropyridine, 3,4,5,6-tetrachloro-2-trichloromethylpyridine for raw materials, the reduction behavior on silver and carbon -containing silver electrode was mainly studied.
全卤吡啶脱氯是卤代吡啶类化合物合成的新尝试,本文在国内外卤代吡啶合成研究的基础上,选择了以电化学还原作为研究方向,以3,4,5,6-四氯吡啶甲酸、五氯吡啶、3,4,5,6-四氯-2-三氯甲基吡啶为原料,主要研究了其在银和碳载银电极上的还原行为。
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A process for synthesis of-2-{[4-(3-methoxypropoxy)-3-methyl-pyridin-2-yl]methyl- sulfinyl}-1H-benzimidazole from 2,3-lutidine was studied.
以2,3-二甲基吡啶为起始原料,经过11步反应,不对称合成了质子泵抑制剂的关键中间体:-2-{[4-(3-甲氧基丙氧基)-3-甲基吡啶-2-基]甲基亚硫酰基}-1H-苯并咪唑。
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The effects of pyridine substitutive derivations on the metabolic pathway of Blakeslea Trispora, were studied such as 2,6-dimethylpyridine,2,5-dimethylpyridine, 2-amino-6-methylpyridine and tobacco dust which contains mainly 3-pyridine substitutive derivation.
主要考察了吡啶衍生物如2,6-二甲基吡啶、2,5-二甲基吡啶、2-氨基-6-甲基吡啶及烟草废弃物(主要成分为3-吡啶基衍生物)对三孢布拉氏霉菌代谢途径的影响。
- 推荐网络例句
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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.
每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。
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Maybe they'll disappear into a pothole.
也许他们将在壶穴里消失
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But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.
但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。