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乙酰氯

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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。

Two haptens of MCPA, 6-[(2-methyl-4-chlor phenoxy aceto amino] hexanoic acid and 4-[(2-methyl-4-chlor phenoxy aceto amino]butanoic acid were synthesized with MCPA and amino-hexanoic acid or amino-butanoic acid.

以除草剂2甲4氯、氯化亚砜、氨基己酸和氨基丁酸等为起始原料,经两步化学反应分别合成了两种MCPA半抗原:6-(2-甲基-4-氯苯氧乙酰基)氨基己酸和4-(2-甲基-4-氯苯氧乙酰基)氨基丁酸。

The reaction of calcium L-threonate with hydrogen bromide in acetic acid readily yields (2S, 3S)-2, 4 -dibromo-3 -hydroxy butanoic acid which was further converted into methyl (2s, 3S)-2,4-dibromo-3-hydroxybutanoate by treatment of methanol.

在化合物12上引入氨基甲酰基可用二氯磷异氰酸酯、氯乙酰异氰酸酯或氯磺酰异氰酸酯,随之引入的二氯磷酰基、氯乙酰基或氯磺酰基可分别用碳酸氢钠、N-甲基二硫代氨基甲钠或亚硫酸钠脱去。

The process is carried out by taking organic acid and sulfoxide chloride as raw materials, acyl chloride synthesizing, reacting ethylenediamine with sodium chloroacetate to synthesize intermediate sodium EDDA, and reacting it with acyl chloride to synthesize the final product.

所述双子烷基羧酸盐表面活性剂是由以下方法制得的,以有机酸和氯化亚砜为原料首先进行酰氯的合成,再用乙二胺与氯乙酸钠反应合成中间体乙二胺二乙酸钠,将中间体乙二胺二乙酸钠与酰氯反应合成终产物。

Major procurement of goods: a three-chlorosilanes, dichloromethane, AE activity ester, 3-iodine Silane, special acid, pentyl chloride, triethylamine, thiadiazole, tetrazolylazo acid, 2 - Acetamide, tetrahydrofuran, the four-guanidine, isopropanol, five phosphorus trichloride, sodium vary bitter, acid, sodium phenylacetate, 6-2 silicon n-amine, Ethylacetoacetate , Methyl isobutyl ketone, potassium dihydrogen phosphate, aluminium oxide, DL methionine, N, N-dimethylaniline, NN-diethyl aniline, 4 sodium EDTA, Anhydrous sodium sulfate, ammonium sulfate, potassium sulfate, sodium acetate, sodium carbonate, DMC, formic acid, sodium chloride medicinal, oxalate, protopine, acetone, alcohol, acetic acid, vinegar Ethyl, butyl acetate, methanol, ethanol (anhydrous, industrial, medicinal), formaldehyde, Ye Jian (30%), hydrochloride (industrial-grade, refined grade, reagent level), sulfate (98%), Ammonia, calcium carbonate, chlorine dioxide, 6 - APA ,7-ACA ,7-ADCA ,7-ANCA, sulbactam, ceftazidime activity ester, Deng salt (hydroxymethyl-K, acid precursors Potassium, sodium dihydrogen methyl), resin, the enzyme, water treatment agent, Xiao Mo agent, demulsifier, flocculants, activated carbon, all kinds of medicinal materials, All kinds of additives

三甲基一氯硅烷、二氯甲烷、AE活性酯、三甲基碘硅烷、特戊酸、特戊酰氯、三乙胺、噻二唑、四氮唑乙酸、二甲基乙酰胺、四氢呋喃、四甲基胍、异丙醇、五氯化磷、异辛酸钠、苯乙酸、苯乙酸钠、六甲基二硅胺烷、乙酰乙酸乙酯、甲基异丁酮、磷酸二氢钾、三氧化二铝、DL蛋氨酸、N,N-二甲基苯胺、NN-二乙基苯胺、乙二胺四乙酸四钠、无水硫酸钠、硫酸铵、硫酸钾、醋酸钠、碳酸钠、碳酸二甲酯、甲酸、药用氯化钠、草酸、片碱、丙酮、正丁醇、冰醋酸、醋酸乙酯、醋酸丁酯、甲醇、乙醇、甲醛、液碱(30%)、盐酸(工业级、精制级、试剂级)、硫酸(98%)、氨水、碳酸钙、二氧化氯、6-APA、7-ACA、7-ADCA 、7-ANCA、舒巴坦、头孢他啶活性酯、邓盐(羟甲基钾、前体酸钾、二氢甲基钠)、树脂、生物酶、水处理剂、消沫剂、破乳剂、絮凝剂、活性碳、各种药用辅料、各种添加剂

In this paper, the effects of different catalyst combinations on the synthesis of α-chloro-dodecanoic acid were investigated, in which a series of acyl chlorides such as 4-toluene sulfonyl chloride, dodecanoyl chloride, chlorosulphonic acid , etc.

本文从烯酮式反应机理出发,以α-氯代十二酸的合成为模型,对酰氯化试剂(对甲苯磺酰氯、十二酰氯、氯磺酸等)和质子酸催化剂(如H型离子交换树脂、氯磺酸、对甲苯磺酸、醋酸等)进行组合和选择,并与文献报道的特殊添加剂乙酐比较,研究不同催化体系在酸催化合成α-氯代脂肪酸时的催化作用。

Treatment of N-p-tolylsulfonylindole 1 with acetyl chloride in dried dichloromethane gave the title compound, N-p-tolylsulfonyl-3-acetyl-indole 2 C17H15NO3S, M(subscript r=313.36 in 89% yield. Single-crystal structure of 2 was determined by X-ray crystallography.2 crystallizes in the triclinic system, space group P-1 with a=10.0264(13), b=12.5913(16), c=14.1621(18)?

N-对-甲苯磺酰-吲哚(1)在二氯甲烷中与乙酰基氯反应得到产率为89%的N-对-甲苯磺酰-3-乙酰基-吲哚(2)(分子式:C17H15NO3S,分子量:313.36),用单晶X-射线衍射方法测定了2的晶体结构并表明:属三斜晶系,空间群为P-1,单胞参数为a=10.0264(13),b=12.5913(16),c=14.1621(18)?

The famciclovir was synthesized from purine by a series of steps by Acylation, Decarboxylation, Reduction ,and so on; Derivatives of these intermediates is described from the 6-chloro- 9H- purin-2-amine as raw materials in different conditions when the iodine and bromide were synthesized with the addition of two intermediate 6-bromo-9H-purin-2-amine and 6-iodo-9H-purin-2-amine; There is elaborated from the main part of a acetophenone, urineaminohydrochloride, phenylhydrazine, ethyl acetoacetate as raw material through a series of reactions to synthetic 3-phenyl-4-formylphenyl pyrazole and 5-chloro-3-methyl-1-phenyl-1H-pyrazole-4-aldehyde two pyrazole aldehyde, and then with 2-amino-6-chlorine-9-(2-methicillin-oxo-co-methyl-4-yl) purine reaction of the two new pyrazole purine Schiff bases.

本论文主是采用以鸟嘌呤为原料,经过一系列的酰基化,脱羧,还原等反应作用下最终得到了产物2-氨基-9-(4-乙酰氧基-3-乙酰氧基甲基丁基)嘌呤;其中的中间体衍生物主要是阐述从以2-氨基-6-氯鸟嘌呤为原料通过在不同的条件下进行溴代与碘代分别合成了另外两种中间体2-氨基-6-溴鸟嘌呤及2-氨基-6-碘鸟嘌呤;还有一部分主要是阐述从以苯乙酮,盐酸氨基脲,苯肼,乙酰乙酸乙酯为原料通过一系列的反应先合成3-苯基-4-醛基吡唑及5-氯-3-甲基-1-苯基-1H-吡唑-4-甲醛这两个吡唑醛,然后再与2-氨基-6-氯-9-(2-甲氧羰基丁酸甲酯-4-基)嘌呤反应得到了两个新型的吡唑嘌呤席夫碱

Synthesizc 2-methyl-5-acetamino benzene sulfochloride using p-toluidine primer reactant by aceylation and chlorosulfonation.

以对甲基苯胺为起始原料,通过乙酰化和氯磺化反应合成2-甲基-5-乙酰氨基苯磺酰氯。

Bezaldehyde was used as protective agent in first method.S-Epichloeohydrin was aminated and acidulated to give(2S)-1-Amino-3-chloro-propanol Salts.The acetylation of (2S)-1-Amino-3-chloro-propanol by acetic anhydride produced the intermediate-N-[2--3-chloropropyl]acetamide.And then at 20℃,in the presence of lithium tert-butoxide,benzyl 3-fluoro-4-morpholinophenyl carbamate react with-N-[2--3-chloropropyl]acetamide to give linezolid in total yield of 43.6%.

路线一采用苯甲醛作保护剂,使S-环氧氯丙烷氨解、酸化生成S-1-氨基-3-氯-2-丙醇盐酸盐,然后经乙酰化反应后,生成中间体-N-[2-乙酰氧基-3-氯丙基]乙酰胺,再用N-(3-氟-4-吗啉苯基)氨基甲酸苄酯和中间体在催化剂叔丁醇锂存在下25℃反应生成利奈唑酮,总产率达到43.6%。

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According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm~150rpm时取得最大值,此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世,形体几无变化。

When I was in school, the rabbi explained everythingin the Bible two different ways.

当我上学的时候,老师解释《圣经》用两种不同的方法。