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氯胺酮

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Some materials were synthesized in this paper at first, 1-nitro-2-pentanol was synthesized with nitromathane and butyraldehyde and the yield was 70.2%; l-nitro-2-pentanol was reduced to 1 -amino-2- pentanol with iron and the yield was 65.2%.

分别用氢氧化钠、三乙胺为缚酸剂,2-氨基-1-丁醇、1-氨基-2-戊醇、环己酮和二氯乙酰氯为原料,采用一步法和分步法合成了两种潜在除草剂安全剂。

The company mainly engaged in the National one of the top ten chemical companies Juhua Products Group, the main one has Chloromethane, dichloromethane, chloroform, cyclohexanone, cyclohexane, caprolactam, PVC resin, sulfuric acid amine, F11, F12, F22, R600A, R134A refrigerant, antiseptic products, welcome you Tongren call letter and look forward to your cooperation and common development!

公司主要经营全国十大化工企业之一的巨化集团公司的产品,主要有一氯甲烷、二氯甲烷、三氯甲烷、环己酮、环己烷、己内酰胺、PVC树脂、硫酸胺、F11、F12、F22、R600A、R134A制冷剂等产品,欢迎各位同仁来电来函,期待能与你们合作,共同发展!

Methomyl, fipronil, tebufenozide and imidacloprid resulted in slow photodecomposition of rotenone in aqueous solution revealing a photo-extinction effect, chlorpyrifos, ethiofencarb, cypermethrin and tetramethrin made the photolysis of rotenone in aqueous solution fast showing an obvious photosensitized effect.

室内条件下研究了鱼藤酮水溶液存在不同杀虫剂时,鱼藤酮的紫外光降解,结果表明:灭多威、氟虫腈、虫酰肼和吡虫啉使鱼藤酮在水溶液中的光解速率下降,表现出明显的光猝灭降解效应;毒死蜱、杀虫单、氯氰菊酯和胺菊酯使鱼藤酮在水溶液中的光解速率加快,表现出光敏化降解效应。

Two compounds were synthesized with two methods. The two compounds can be synthesized by two steps with triethylamine as catalyst.

分别用氢氧化钠、三乙胺为缚酸剂,3-氨基-2-丁醇、2-氨基-3-戊醇、环己酮和二氯乙酰氯为原料,采用一步法和分步法合成了两种潜在除草剂安全剂。

By the reactions ofα-acylamino ketene--acetals and oxalyl chloride, a serie of pyrrolidinetriones were prepared.

通过α-酰胺基二硫缩烯酮和草酰氯的反应,成功制备了一系列吡咯烷酮类化合物。

Water,butylene glycol,glycerin,glyceryl polymethacrylate,triethanolamine,carbomer,ppg-26-bueth-26,chondrus crispus,peg-40 hydrogenated castor oil,phenoxyethanol,imidazolidinyl urea,propylene glycol,benzophenone-4,retinyl palmitate,citrus aurantiudulcisoil,phospholipids,methylparaben,tocopheryl acetate,c12-23 alkyl lactate,disodium EDTA,centella asiatica extract,iris germanica root extract,pentadecalactone,aloe barbadensis leaf juice,mimosa tenuiflora bark extract,sodium hyaluronate,menthol,biosaccharide gum-1,citrus aurantium amara oil,propylparaben,methylchloroisothiazolinone,sodium benzoate,potassium sorbate,citric acid,calcium sorbate,methylisothiazolinone,butylparaben,ethylparaben,yellow 5(CI 19140),limonene,linalool

水,丁二醇,甘油,甘油聚甲基丙烯酸酯,三乙醇胺,卡波姆,PPG-26-丁醇聚醚-26,鹿角菜胶,PEG-40 氢化蓖麻油,苯氧乙醇,尿素醛,丙二醇,二苯酮-4,维他命A酯,甜橙油,磷脂质,羟苯甲酯,醋酸盐维他命E,C12-13 烷醇乳酸酯,乙二胺四乙基二钠,雷公根萃取,鸢尾花根萃取,环十五内酯,吉拉索芦荟叶汁,含羞草萃取,透明质酸钠,薄荷脑,多醣物质,苦橙油,羟苯丙酯,甲基氯异塞唑晽酮,苯甲酸钠,山梨酸钾,柠檬酸,山梨酸钙,甲基异噻唑啉酮,羟苯丁酯,羟苯乙酯,柠檬黄,柠檬精油,沈香醇水:几乎所有护肤品成分第一位都是水。丁二醇:保湿剂及溶剂,质地温和

Synthesis of Antidote of N-Dichloroacetyl-2-methyl-1-oxa-4-aza-spiro-4.4-nonane BI Hong-mei, ZHANG Jin-yan, LIANG Ying, SHEN Yong (College of Arts and Sciences Heilongjiang August First Reclamation University, Daqing 163319, Heilongjiang, China) Abstract: N-Dichloroacetyl-2-methyl-1-oxa-4-aza-spiro-4.4-nonane was synthesized by one pot method with isopropanolamine, cyclopentanone and dichloroacetyl chloride. The optimum reaction conditions obtained are as follows:the proportion in moles of the above materials is 1∶1∶1.2, reaction solvent is toluene, reaction temperature is -15 to -10 ℃,reaction time is 3 h, under the optimum condition, the yield of the compound is 50.0%.

除草剂解毒剂N-二氯乙酰基-2-甲基-1-氧杂-4-氮杂-螺[4.4]壬烷的合成毕洪梅,张金艳,梁英,沈勇(黑龙江八一农垦大学文理学院,黑龙江大庆 163319)摘要:以33%的氢氧化钠水溶液为缚酸剂,异丙醇胺、环戊酮和二氯乙酰氯为原料,采用&一锅法&合成了N-二氯乙酰基-2-甲基-1-氧杂-4-氮杂-螺[4.4]壬烷,采用正交实验法得到最佳反应条件:反应原料摩尔比为1∶1∶1.2,苯作溶剂,反应的温度为-15 ℃~-10 ℃,搅拌时间为3 h,产率达到50.0%。

A process for preparingp-fluo-2-(2-methyl-3-propionyl)-4-oxy-N,3-diphenyl-phenylbutylamide includes such steps as Friedle-Craft acylating of newly prepared phenylacetyl chloride and fluorobenzene under catalysis of AlCl3 to obtain 4-fluoro-phenylbenzyl ketone, brominating at carbonyl alpha position under catalysis of less AlCl3 to obtain alpha-bromo-4-fluo-phenylbenzyl ketone, and condensing with isobutyryl acetanilide under action of sodium ethoxide.

本发明涉及一种制备对氟-2-(2-甲基-3-氧丙基)-4-氧-N,3-二苯基-苯丁酰胺(1)的方法,其包括以下步骤:新制的苯乙酰氯与氟苯在AlCl3催化下进行Friedle-Craft酰化反应,得到对4-氟-苯基苄基酮(4);化合物(4)在少量AlCl3催化下进行羰基α位溴化,得到α-溴-4-氟-苯基苄基酮(5);然后(3)异丁酰乙酰苯胺在乙醇钠作用下与化合物(5)进行缩合。

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%。

Thirty-one new chiral phosphorus compounds have been synthesized starting from D-camphor,-alpha-phenylethylamine,-Betti base,-1-(4-nitrophenyl)-2-amino- propane-1,3-diol, L-amino acids (such as serine, phenylalanine, proline etc.) and their application as organocatalysts in asymmetric trimethylsilylcyanation of aldehydes and asymmetric borane reduction of prochiral ketones and ketimines were investigated.

该项目从D-樟脑、-alpha-苯乙胺、-Betti碱、-氯酶胺、L-氨基酸(如丝氨酸、苯丙氨酸、脯氨酸等)出发合成了31个新的手性磷化合物,研究了它们作为有机催化剂在醛的不对称硅氰化反应、潜手性酮的不对称硼烷还原反应以及亚胺的不对称硼烷还原反应中的催化效果。

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I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里,举止就文雅一些,因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计,这件高贵的制服是香港本土制造,是我们第一套不配帽子的制服。

Do not 'inflate' your achievements and/or qualifications or skills .

不要 '夸大' 你的业绩或成果,条件或者技能。