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Three ways leads to the synthesis of fenclorin, one way discussed here has 3 steps. Stepl :benzonitrile using as raw material goes though dry hydrogen chloride and becomes a-imino phenylmethyl ether after meet carbinol.

解草啶的合成主要有三条路线,本文选取合成路线是以苯甲腈为原料,经三步反应而成:1、苯甲腈在干燥的氯化氢通入,与甲醇形成亚氨基苯甲醚,通入氨气后置换甲氧基得到苯基脒盐酸盐(收率76.18%)。2、苯基脒盐酸盐在碱性条件下与丙二酸二乙酯环合而得嘧啶醇(收率84.39%)。3、嘧啶醇在三氯氧磷中羟基被氯化得到产品解草啶(收率87.29%)。

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。

Therefore, it s very important to control the content of dimethyallylamine and dimethylamine, strictly in the polymerization.

因此,在DMDAAC的合成中应严格控制二甲胺、叔胺含量;对于氯化钠、叔胺盐酸盐、二甲胺盐酸盐可以考虑控制在1000mg·kg~(-1)之内以降低精制成本。

Methods Gelators of N-lauroyl-l-alanine methyl esterand N-lauroyl-l-alanine ethyl esterwere synthesized with l-alanine methyl ester,l-alanine ethyl ester and lauroyl chloride as materials.

方法以l-丙氨酸甲酯盐酸盐、l-丙氨酸乙酯盐酸盐和月桂酰氯为原料,合成月桂酰-丙氨酸甲酯凝胶因子及月桂酰-丙氨酸乙酯凝胶因子,采用IR、1H-NMR、MS对其结构进行表征,并对其熔点、热稳定性、在各种植物油中的最小胶凝质量浓度、相转变温度等基本性质进行了研究。

The better reaction conditions are as follows: Reaction temperature is 40°C, Reaction time is 5 hour; the ratio of L - phenylalanine to acetic acid and N - formyl - L- aspartyl anhydrideis 1:10.2:1.1, Its yield is 95.4%.

在查阅文献的基础上,得到较优的α-L-天冬氨酰L-苯丙氨酸甲脂盐酸盐的合成方案,在甲醇一水体系中,N-甲酰-α-L-天冬氨酰-L-苯丙氨酸在浓盐酸的作用下60℃水解90分钟,后冷却到15℃加入浓盐酸在20~30℃保温反应96小时,进行甲脂化,形成甲脂盐酸盐,结晶析出。

During the manufacturing of the critical intermediate cephalosporin nucleus --7-amino-3-chloro-cephalosporanic acid diphenylmethyl ester hydrochloride salt, first the feasibility of the one-pot synthetic route of open loop, closed loop and ozonization when chlorine is passed over is qualified by experiments. Then the critical factors that will influence this reaction are studied as follows: the mol ratio of triphenyl phosphite and Diphenylmethyl 3-hydroxy-7-phenylacetaminoceph-3-em-4-carboxylate-l-oxide is four to one; the quantity of the stablizer should be at least more than two to one. The temperature of the system must be 25℃ when chlorine is passed over so that the hydrochloride can be precipitated to obtain cephalosporin nucleus of cefaclor--7-amino-3-chloro-cephalosporanic acid diphenylmethyl ester hydrochloride salt.

在制备关键中间体头孢母核7-氨基-3-氯头孢烷酸二苯甲酯盐酸盐时,先通过实验验证把开环、闭环、臭氧化三步在通入氯气时并为一锅煮的合成路线的可行性之外,又研究了影响该反应的几个重要因素:亚磷酸三苯酯与3-羟基-7-头孢烷-5-亚砜-2-甲酸二苯甲酯的摩尔比为4:1;稳定剂2-甲基-2-丁烯的用量至少大于2:1,通入氯化氢气体时体系温度在25℃时盐酸盐则能够顺利析出,获得头孢克洛的头孢母核—7-氨基-3-氯头孢烷酸二苯甲酯盐酸盐

Result of thermogravity analysis showed that the thermal stability of polyvinylamine chloride lowers with increasing in amination degree. Moreover, properties of dilute aqueous solutions of three types of poly chloride with different amination degree were compared by use of viscosimetric, conductometric, and potentiometric measurements. Results showed that both the electrostatic interaction of neighboring groups on the chain and the reduced viscosity of poly chloride are increased with increasing the degree of amination of poly . The equivalent conductivity is decreased with the increasing the concentration of poly chloride and increased with the increasing the amination degree of poly .

研究了聚乙烯胺盐酸盐的热稳定性和水溶液性质,发现:随着胺化度的提高,聚乙烯胺盐酸盐的对热稳定性逐步降低;聚乙烯胺盐酸盐是一种典型的聚电解质,其水溶液的pH值随平均分子量的变化并不明显,而随着聚乙烯胺胺化度的升高,pH值降低;随着聚乙烯胺盐酸盐的平均聚合度由82.3增加到201.8,它的m值(用于表征聚电解质侧链基团之间相互作用大小的常数)从5.13升高到5.58,而当聚乙烯胺盐酸盐的平均聚合度增加到311.4时,它的m值反而降低到了5.48;随着胺化度由55.65%升高到82.36%,m值由3.65提高到5.50;随着聚乙烯胺盐酸盐的平均聚合度的提高,聚乙烯胺盐酸盐的平均解离常数由7.48降低到7.26,同时随着胺化度的提高,聚乙烯胺盐酸盐的平均解离常数也由8.33降低到7.37;随着聚乙烯胺盐酸盐浓度的提高,溶液的摩尔电导率逐步降低,随着聚乙烯胺胺化度和聚合度的提高,溶液的摩尔电导率有所升高;在pH值为4左右时,聚乙烯胺盐酸盐的比浓粘度分别达到极值,而与聚合度的大小关系不大;聚乙烯胺盐酸盐的特性粘数明显高于其原料聚丙烯酰胺的特性粘数,分子量对特性粘数的影响十分明显,胺化度对特性粘数的影响并不显著。

Secondly, Bifidobacterium medium was developed using JAJ as main material. The results showed that: Adding Tryptone,soy peptone.beef extract,com extract and Cys-HCl to JAJ could obviously promote the growth of Blm and Bbm;By the orthogonal experiment of three elements and three levels,a satisfying JAJ compound medium was acquired which included corn extract(0.3%), soy peptone(0.05%)and Cys-HCl(0.025%).Nextly,after establishing a selective Bifidobacterium medium, the effects of JAJ on the growth of Bifidobacteria in vivo were studied,using healthy mouse of Kunming species as experimental animal.

研究了以菊芋汁为主要原料的双歧杆菌培养基,大量试验结果表明,在菊芋汁中添加胰蛋白胨、牛肉膏、大豆蛋白胨、玉米浆和半胱氨酸盐酸盐等成分,对双歧杆菌有明显的促进生长作用;利用大豆蛋白胨、玉米浆和半胱氨酸盐酸盐设计了三因素三水平的正交试验,确定了菊芋汁复合培养基的优化配方:菊芋汁+0.3%玉米浆+0.05%大豆蛋白胨+0.025%半胱氨酸盐酸盐

Cycloserine was produced using L-serine methyl ester hydrochloride as raw material. L-serine methyl ester hydrochloride was chloridized with phosphorus pentachloride to afford 2-amino-3-chloride propanic acid methyl ester hydrochloride, which was cyclized with hydroxylamine in the presence of alkali to give cycloserine.

以L-丝氨酸甲酯盐酸盐为原料制备了环丝氨酸。L-丝氨酸甲酯盐酸盐和五氯化磷在氯仿溶剂中进行氯代反应生成2-氨基-3-氯丙氨酸甲酯盐酸盐,后者和羟胺在碱性溶液中发生环合反应得到环丝氨酸。

In this paper four watery UV photoinitiators were studied and synthesized through a four-step process. They were l-(4-aminophenyl)-2-piperidino-1-propanone dihydrochloride, 1 -(4-aminophenyl)-2-morpholino-1 -propanone dihydrochloride, 1 -(4-aminophenyl)-2-diethylamino-1 -propanone dihydrochloride, 1 -(4-aminophenyl)-2-burylamino-1-propanone dihydrochloride, which have not been reported in any literatures till now.

本文通过四步反应合成了目前未见报道的四种水性紫外光引发剂:1-(4-氨基苯基)-2-哌啶基-1-丙酮盐酸盐、1-(4-氨基苯基)-2-吗啉基-1-丙酮盐酸盐,1-(4-氨基苯基)-2-二乙胺基-1-丙酮盐酸盐、1-(4-氨基苯基)-2-正丁胺基-1-丙酮盐酸盐

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