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乙酰胺

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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%。

Ophenyl phenol,ophenyl phenol sodium salt tetrahydrate,7ADCA,2ethyl phenyl hydrazine hydrochloride,2,3dihydrofuran,7ethyl3(2hydroxy ethyl)indole,methyl ester of etodolac; 1,8diethyl1,3,4,9tetrahydropyrano[3.4b] indole1acetic acid methyl ester,5chloro2methoxy benzoic acid,4(2aminoethyl)benzene sulfonamide,5cyano phthalide,phthalhydrazide,9thioxanthenone,n[(1,4benzodioxane2yl)carboxyl]piperazine HCL,2chloro4amino6,7dimethoxyquinazoline,2chloro benzimidazole,1(4fluorobenzyl)2chlorobenzimidazole,2methylthio4pyrimidone,5amino4imidazole carboxamide HCL,6chloro2hexanone,11oxo6.11hydrodibenzothiepin,6,11dihydrodibenzooxepin11one,10,11dihydrodibenzocyclohepten5one;dibenzosuberone,dibenzo cyclohepten5one;dibenzosuberenone,3,5dihydroxy benzoic acid,3,5dihydroxy benzyl alcohol,2mercapto benzimidazole,3,4dihydroxy benzaldehyde,3,4dihydroxy benzonitrile,2amino5chloro benzonitrile,2(4chlorophenoxy)ethyl chloride,2(4chloro phenoxy)tert,butane,ditrimethylol propane;DTMP,2,2bis(4hydroxyphenyl)butane; bisphenol B,1,1'bis(4hydroxyphenyl)cyclohexane;bisphenol Z,tetrabromobisphenolS,3,5ditertbutyl salicylic acid,3,4,5trihydroxy benzoic acid stearyl ester,1,2,4trimethoxybenzene.

华业公司产品:邻苯基苯酚,邻苯基苯酚钠盐,7氨基3去乙酰氧基头孢烷酸,邻乙基苯肼盐酸盐,2,3二氢呋喃,7乙基色氨醇,依托度酸甲酯,5氯2甲氧基苯甲酸,4(2氨乙基)苯磺酰胺,5氰基苯酞,双酮酞嗪,9噻吨酮,N〔(1,4苯并二恶烷2基)羰基〕哌嗪盐酸盐,2氯4氨基6,7一二甲氧基喹唑啉,2氯苯并咪唑,1(4氟苄基)2氯苯并咪唑,2甲硫基4嘧啶酮,5氨基咪唑4 甲酰胺盐酸盐,6氯2已酮,11氧6.11二氢苯并〔b.c〕虑平,11氧代6,11二氢二苯并氧杂卓,10,11二氢二苯并环庚烯5酮,二苯并环庚烯5酮,3,5二羟基苯甲酸,3,5二羟基苯甲醇,2巯基苯并咪唑,3,4二羟基苯甲醛,3,4二羟基苯腈,2氨基5氯苯腈,2(4氯苯氧基)1氯乙烷,2(4氯苯氧基)叔丁烷,双丙烷,2,2二(4羟基苯基)丁烷;双酚B,1,1'双(4羟基苯基)环己烷;双酚Z,2[3,5二溴4(2,3二溴丙氧基)]苯砜,3,5二叔丁基水杨酸,3,4,5三羟基苯甲酸十八烷基脂,1,2,4三甲基氧基苯。

Project Background and Conditions: The company started research new chemical products in 1998. After two years of efforts, a series of pharmaceutical intermediate sulfathiazole leave instructions, including : 3- methyl sulfathiazole leave instructions, 2- sulfathiazole leave instructions ethanoic acid, 2- acetyl sulfathiazole leave instructions, 2-thiofuran amino ethane ,2-thiofuran acetic, 3,4,5- tighter nitrobenzene have been successfully developed. 2-thiofuran amino ethane are the precursors raw materials of series antibiotic analgesic.

二、项目建设背景及条件:1998年公司开始研究开发高新精细化工产品,经过两年的努力,已成功研制出噻吩系列医药中间体,包括:3-甲基噻吩、2-噻吩乙酸、2-乙酰噻吩、2-噻吩乙胺、2-噻吩乙醇、3,4,5-三氯硝基苯等。2-噻吩乙胺系列噻吩产品使用于血小板及血栓有关的心脏血管病及消炎镇痛等如氯吡格雷、兴孢噻吩钠、兴孢西丁、噻吩洛酸等十几种新药的前体原料,是国家政策鼓励发展和有自主知识产权的项目。

hydroxy-2-acetonaphthene was obtained by the hydrolysis of 6-methoxy- 2-acetonaphthene in the presence of HCl (36%) and triethylamine as a catalyst.

摘 要:采用6 甲氧基 2 乙酰萘与浓盐酸在缚酸剂三乙胺存在的条件下进行水解反应制得6 羟基 2 乙酰萘。

To understand the reaction of tetrakis hydroxymethyl phosphonium chloride with collagen protein,the interactions of THPC with polycaprolactam,poly vinyl alcohol or ethylenediamine which were used as the model substances of amido,hydroxy and amino groups of collagen protein were examed.

通过研究THPC与聚己内酰胺、聚乙烯醇、乙二胺的酰胺基、羟基、氨基的反应,间接证明THPC主要与胶原蛋白的氨基结合,可与氨基以n∶n=1.0∶2.2形成交联,THPC与羟基和酰胺基均有少量结合,并在pH=8.0时结合量最高。

The analogs of piracetum with the core of demethylclausenamide(III-4 and III-5) were prepared by condensation of demethylclausenamide with ethyl bromoacetate and hydrolysis or aminolysis there after.

3在兰培工作的基础上,选用O-乙酰-R--扁桃酸为拆分剂,成功的拆分了表黄皮酰胺前体5--4-苯基-1-甲基吡咯烷酮(Ⅱ-1),和Ⅱ-1分别引入3位羟基得到和表黄皮酰胺。

Purified water, euphorbia cerifera wax, glyceryl stearate, ammonium acrylates copolymer, butylene glycol, copernica cerifera wax, stearic acid, sucrose acetate isobutyrate, acrylates copolymer, bentonite, tromethamine, hexylene glycol, silk amino acids, cholesterol, glycine, synthetic wax, ethylhexyl glycerin, alanine, PEG-9 dimethicone, nylon-6, lecithin, silica, simethicone, caprylyl glycol, xanthan gum, propylene glycol, isostearic acid, sodium laureth-12 slfate, ceteareth-20, polyvinyl alcohol, sodium chloride, sodium acetate, disodium EDTA, benzyl alcohol, chlorphenesin, phenoxyethanol, methylparaben, ethylparaben, propylparaben, butylparaben, isobutylparaben, may contain /- mica, iron oxides (CI 77491, CI 77492, CI 77499), titanium dioxide (CI 77891), ferric ferrocyanide (CI 77150), ultramarines (CI 77007), blue 1 lake (CI 42090), bronze powder (CI 77400), aluminum powder (CI 77000), bismuth oxychloride (CI 77163), carmine (CI 75740), chromium hydroxide green (CI 77289), chromium oxide greens (CI 77288), yellow 5 lake CI 19140

水,小烛树蜡,硬脂酸甘油酯,丙烯酸铵共聚物,1,3-丁二醇,巴西棕榈蜡,硬脂酸,异丁酸醋酸蔗糖酯,丙烯酸酯共聚物,蒙脱土,二吡喃乙酸乙酯胺,已烯醇,丝氨酸,胆固醇,甘油,合成蜡,异丁基甘油,丙胺酸,PEG-9二甲基硅油,尼龙-6,卵磷酯,硅粉,硅氧烷,癸酰基乙二醇,汉生胶,丙二醇,异硬脂酸,月桂基醚-12硫酸钠,十六十八醇醚-20,聚乙烯醇,氯化钠,醋酸钠,EDTA二钠,苯氧乙醇,氯代苯酚,卞醇,尼泊金甲酯,尼泊金乙酯,尼泊金丙酯,尼泊金丁酯,尼泊金异丁酯,[可能还含有云母,铁黑(CI 77491, CI 77492, CI 77499),钛白粉(CI 77891),氰化亚铁(CI 77150),靛蓝(CI 77007),蓝1号(CI 42090),青铜粉(CI 77400),铝粉(CI 77000),氯氧化铋(CI 77163),洋红色素(CI 75740),氢氧化铬绿(CI 77289),氧化铬绿(CI 77288),黄5号(CI 19140)]文章来自网络,不代表本网站立场,版权归原作者所有,转载请注明出处!

In the third chapter, the synthesis of5-[(1"S)-1",2"-diacetyl-oxyethyl]-1-phenylpyrazol-3-carboxaldehyde oxime(2) from5-[(1"S)-1",2"-diacetyl-oxyethyl]-1-phenylpyrazol-3-carboxaldehyde(1) and phenyl-hydrazine were introduced firstly. The synthesis of nine dioxapyrrolino[3,4-c]pyrazoles containing chiral pyrazolyl moiety(6a-i) from 2 with N-substituted-phenylmaleimide by nonmetal oxidant IBD-initiated intermolecular 1,3-dipolarcycloaddition was described in detail.

第三章首先以5-[(1′S)-1′,2′-二乙酰氧基乙基]-1-苯基吡唑-3-醛(1)和苯肼为原料,合成了化合物5-(1′S)-1′,2′-二乙酰氧基乙基1-1-苯基吡唑-3-醛-苯腙(2);再用化合物(2)与N-取代苯基马来酰亚胺反应,利用无金属氧化剂—IBD引发1,3-偶极反应,发生分子间的环加成,合成了9种新型手性吡唑连二氧代吡咯啉并

Methods 2-(piperazin-1-yl)-1-(pyrrolidin-1-yl)ethanone (2) was synthesized from pyrrolidine via amidation and substitution, followed by treating with chloroacetyl chloride and triphenylphosphine in a "one pot" manner to give the corresponding phosphonium chloride 3 in a stable and pure form after crystallization from isopropanol.

以四氢吡咯为原料,先与氯乙酰氯成酰胺,再与哌嗪发生取代反应制得中间体[(1-四氢吡咯基)甲基]哌嗪(2);化合物2与氯乙酰氯和三苯基膦反应,经异丙醇重结晶得到稳定的有机鏻盐(3);化合物3与3,4,5-三甲氧基苯甲醛发生Wittig反应,再与马来酸成盐得目标化合物马来酸桂哌齐特(1)。

A plausible process of this reaction is as following: Aldehyde was in equilibrium with the enol form, aldehyde reacted with aniline catalyzed by 2,2,2-trichloroacetic acid to afford imine, the generated imine immediately reacted with enol to form intermediate via intramolecular cyclization.

我们发现一分子芳基叠氮和一分子三苯基磷反应生成一分子磷亚胺,后者与由两分子取代的苯氧乙酰氯原位生成的烯酮反应生成4-亚烷基-β-烷基-内酰胺,其串联过程涉及烯酮亚胺的形成及其与烯酮的[2+2]的环加成反应。

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I didn't watch TV last night, because it .

昨晚我没有看电视,因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。

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我比喻得过头了。