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叠氮酸

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Using the method of tosylation, tosylate terminated epichlorohydrin polymer as intermediate was synthesized by PECH and 4-toluenesulfonylzchloride in pyridine,azido terminated glycidyl azide polymer was obtained by the reaction of intermediate and sodium azide.

采用磺酸酯法,首先PECH与对甲苯磺酰氯在吡啶介质中反应形成端磺酸酯基氯化聚醚中间体,然后中间体经叠氮化作用形成端基为叠氮基的叠氮缩水甘油醚聚合物。

Mission:"equality and mutual benefit, reputation first, unity and cooperation and friendship between the long-term" supply products: ethylenediamine; diethylamide; triethylamine; Diethylenetriamine; three ethylene diamine; three ethylene amines 40; 40 Five ethylene amines; five ethylene amines 6; caprolactam; DMF; allyl amine; N, N dimethylaniline; propylamine; are butylamine; are TOA; 3 Poly Cyanamide; 1,2 c diamine; ethanolamine; diethanolamine, triethanolamine; potassium iodide, potassium hydroxide, potassium permanganate, toluene, xylene, toluene of chlorine ; Acetone, butanone; acetylacetone; ethyl acetate, butyl acetate; Y-butyrolactone; DMC; acetyl of methyl acetate; Sanfu acetyl acid; Sanfu acetyl B Ethyl; methanol, ethanol, isopropanol; propylene glycol; glycerol; propargyl alcohol; 1.3 propylene glycol; xylitol; acetic acid; have acid; mercaptoacetic acid; vary Bitterness; adipic acid; trifluoroacetic acid; oxalic acid, the amino acid; o-amygdalin acid; DL-Acid; anhydrous piperazine; six non-piperazine, furfural, castor oil, ethylene Aldehyde; glutaraldehyde, multi-POM; isopropyl ether; anisole; tetrahydropyrrole; pure pyridine; 1.2 dichloroethane; methylene chloride, chloroform, carbon tetrachloride; hydrazine hydrate; Nonylphenol;-m-cresol; Se phenol; phenol; the tert-butyl phenol; Titanium Dioxide; iron; full Tangfen; Bisphenol A; azo two different nitrile; sodium azide; sodium carbonate ; Sodium chloride; iron oxide; cuprous chloride; thionyl chloride; D4; sodium bicarbonate; ammonia, potassium chloride; anhydrous sodium sulphite; ammonium persulfate; glycol Dingmi; B Glycol ether; calcium chloride; cyclohexanone; cyclohexane, methyl tertiary butyl ether, potassium carbonate, ferric chloride, potassium nitrate; Linsuansanna; zinc oxide; sodium nitrite; antimony oxide; Tartrate; OP-10; TX-10; tablets base; AES; sodium benzoate, sodium citrate; partial sodium silicate, sodium perborate, a sodium carbonate, sodium benzene; Asia sodium chlorate; Wuluo Care products; urea; hydrochloric acid, sulfuric acid, lactic acid; amino acid, hydrogen peroxide, ammonium bicarbonate

公司宗旨:"平等互利,信誉至上,团结合作,友谊长久"乙二胺;二乙胺;三乙胺;二乙烯三胺;三乙烯二胺;三乙烯四胺;四乙烯五胺;五乙烯六胺;己内酰胺;二甲基甲酰胺;烯丙基胺;N,N二甲基苯胺;正丙胺;正丁胺;正辛胺;三聚氰胺;1,2丙二胺;一乙醇胺;二乙醇胺;三乙醇胺;碘化钾;氢氧化钾;高锰酸钾;甲苯;二甲苯;对氯甲苯;丙酮;丁酮;乙酰丙酮;醋酸乙酯;醋酸丁酯;Y-丁内酯;碳酸二甲酯;乙酰乙酸甲酯;三伏乙酰乙酸;三伏乙酰乙酸乙酯;甲醇;无水乙醇;异丙醇;丙二醇;丙三醇;丙炔醇;1.3丙二醇;木糖醇;冰醋酸;己醛酸;巯基乙酸;异辛酸;己二酸;三氟乙酸;乙二酸;对氨基苯乙酸;邻氯苦杏仁酸;DL-扁桃酸;无水哌嗪;六无哌嗪;糠醛;蓖麻油;乙二醛;戊二醛;多聚甲醛;异丙醚;苯甲醚;四氢吡咯;纯吡啶;1.2二氯乙烷;二氯甲烷;三氯甲烷;四氯化碳;水合肼;壬基酚;纯间甲酚;硒酚;苯酚;对叔丁基苯酚;钛白粉;铁粉;全糖粉;双酚A;偶氮二异丁腈;叠氮化钠;碳酸钠;氯化钠;三氧化二铁;氯化亚铜;氯化亚砜;D4;碳酸氢钠;氨水;氯化钾;无水亚硫酸钠;过硫酸铵;乙二醇丁醚;乙二醇乙醚;氯化钙;环己酮;环己烷;甲基叔丁基醚;碳酸钾;三氯化铁;硝酸钾;磷酸三钠;氧化锌;亚硝酸钠;氧化锑;酒石酸;OP-10;TX-10;粒碱;AES;苯甲酸钠;柠檬酸钠;偏硅酸钠;过硼酸钠;过碳酸钠;苯磺酸钠;亚氯酸钠;乌洛托品;尿素;盐酸;硫酸;乳酸;氨基磺酸;双氧水;碳酸氢铵

Mission:"equality and mutual benefit, reputation first, unity and cooperation and friendship between the long-term" supply products: ethylenediamine; diethylamide; triethylamine; Diethylenetriamine; three ethylene diamine; three ethylene amines 40; 40 Five ethylene amines; five ethylene amines 6; caprolactam; DMF; allyl amine; N, N dimethylaniline; propylamine; are butylamine; are TOA; 3 Poly Cyanamide; 1,2 c diamine; ethanolamine; diethanolamine, triethanolamine; potassium iodide, potassium hydroxide, potassium permanganate, toluene, xylene, toluene of chlorine ; Acetone, butanone; acetylacetone; ethyl acetate, butyl acetate; Y-butyrolactone; DMC; acetyl of methyl acetate; Sanfu acetyl acid; Sanfu acetyl B Ethyl; methanol, ethanol, isopropanol; propylene glycol; glycerol; propargyl alcohol; 1.3 propylene glycol; xylitol; acetic acid; have acid; mercaptoacetic acid; vary Bitterness; adipic acid; trifluoroacetic acid; oxalic acid, the amino acid; o-amygdalin acid; DL-Acid; anhydrous piperazine; six non-piperazine, furfural, castor oil, ethylene Aldehyde; glutaraldehyde, multi-POM; isopropyl ether; anisole; tetrahydropyrrole; pure pyridine; 1.2 dichloroethane; methylene chloride, chloroform, carbon tetrachloride; hydrazine hydrate; Nonylphenol;-m-cresol; Se phenol; phenol; the tert-butyl phenol; Titanium Dioxide; iron; full Tangfen; Bisphenol A; azo two different nitrile; sodium azide; sodium carbonate ; Sodium chloride; iron oxide; cuprous chloride; thionyl chloride; D4; sodium bicarbonate; ammonia, potassium chloride; anhydrous sodium sulphite; ammonium persulfate; glycol Dingmi; B Glycol ether; calcium chloride; cyclohexanone; cyclohexane, methyl tertiary butyl ether, potassium carbonate, ferric chloride, potassium nitrate; Linsuansanna; zinc oxide; sodium nitrite; antimony oxide; Tartrate; OP-10; TX-10; tablets base; AES; sodium benzoate, sodium citrate; partial sodium silicate, sodium perborate, a sodium carbonate, sodium benzene; Asia sodium chlorate; Wuluo Care products; urea; hydrochloric acid, sulfuric acid, lactic acid; amino acid, hydrogen peroxide, ammonium bicarbonate

公司宗旨:&平等互利,信誉至上,团结合作,友谊长久&乙二胺;二乙胺;三乙胺;二乙烯三胺;三乙烯二胺;三乙烯四胺;四乙烯五胺;五乙烯六胺;己内酰胺;二甲基甲酰胺;烯丙基胺;N,N二甲基苯胺;正丙胺;正丁胺;正辛胺;三聚氰胺;1,2丙二胺;一乙醇胺;二乙醇胺;三乙醇胺;碘化钾;氢氧化钾;高锰酸钾;甲苯;二甲苯;对氯甲苯;丙酮;丁酮;乙酰丙酮;醋酸乙酯;醋酸丁酯;Y-丁内酯;碳酸二甲酯;乙酰乙酸甲酯;三伏乙酰乙酸;三伏乙酰乙酸乙酯;甲醇;无水乙醇;异丙醇;丙二醇;丙三醇;丙炔醇;1.3丙二醇;木糖醇;冰醋酸;己醛酸;巯基乙酸;异辛酸;己二酸;三氟乙酸;乙二酸;对氨基苯乙酸;邻氯苦杏仁酸;DL-扁桃酸;无水哌嗪;六无哌嗪;糠醛;蓖麻油;乙二醛;戊二醛;多聚甲醛;异丙醚;苯甲醚;四氢吡咯;纯吡啶;1.2二氯乙烷;二氯甲烷;三氯甲烷;四氯化碳;水合肼;壬基酚;纯间甲酚;硒酚;苯酚;对叔丁基苯酚;钛白粉;铁粉;全糖粉;双酚A;偶氮二异丁腈;叠氮化钠;碳酸钠;氯化钠;三氧化二铁;氯化亚铜;氯化亚砜;D4;碳酸氢钠;氨水;氯化钾;无水亚硫酸钠;过硫酸铵;乙二醇丁醚;乙二醇乙醚;氯化钙;环己酮;环己烷;甲基叔丁基醚;碳酸钾;三氯化铁;硝酸钾;磷酸三钠;氧化锌;亚硝酸钠;氧化锑;酒石酸;OP-10;TX-10;粒碱;AES;苯甲酸钠;柠檬酸钠;偏硅酸钠;过硼酸钠;过碳酸钠;苯磺酸钠;亚氯酸钠;乌洛托品;尿素;盐酸;硫酸;乳酸;氨基磺酸;双氧水;碳酸氢铵

In order to find biologically active urea compounds,seven new N-[5-(3-pyridyl)-1,3,4-thiadiazol-2-yl]-N'- urea derivatives were synthesized by the reaction of 2-amino-5-(3-pyridyl)-1,3,4-thiadiazole with aroylazides,which were prepared starting from carboxylic acids,ethyl chloroformate and sodium azide by one-pot procedure.

为了寻找高生物活性的脲类化合物,通过2-氨基-5-(3-吡啶基)-1,3,4-噻二唑与酰基叠氮化物反应,设计合成了7个新的N-[5-(3-吡啶基)-1,3,4-噻二唑-2-基]-N'-取代苯基脲,其中芳酰基叠氮化物是以芳酸、氯甲酸乙酯、叠氮化钠为起始原料采用&一锅法&所制得。

Using pentaerythritol as initiator, boron trifluoride diethyl etherate as catalyst.dichloroethane as dispersion agent, the chloride polyether polyol is synthesized based on the mechanism of cationic ring-opening polymerization of epiclilnrohyclrin.The azide polyether polyol is synthesized, in DMF through A and sodium azide, and the non-reported azide energetic curing agent is synthesized through the adduction of B and IIDI.

以季戊四醇为起始剂,三氟化硼乙醚为催化剂,1,2—二氯乙烷为分散剂,环氧氯丙烷经阳离子开环聚合反应制成氯化聚醚多元醇,A在N,N—二甲基甲酰胺中与叠氮化钠反应制得叠氮聚醚多元醇,B与六亚甲基二异氰酸酯加成反应制得未见文献报道的叠氮固化剂。

Hydrazoic acid in liquid form is very dangerous.

处于液态的叠氮酸是很危险的。

The 1,3-dipolar cycloaddition reactions of various substituted ynamines with hydrazoic acid were theoretically investigated with the high-accuracy CBS-QB3 method.

采用高精度CBS-QB3方法对一系列取代炔胺与叠氮酸之间的1,3环加成反应进行了理论研究。

The univalent group N3- derived from hydrazoic acid.

叠氮酸衍生而来的一价基 n。

The yields of hydrazoic acid caused by the radiolysis of mono methylhydrazine and β hydroxyethyl hydrazine are determined by Fourier transform infrared spectroscopy and spectrophtometry.

对肼、甲基肼及β羟基乙基肼进行γ射线辐照实验,分别用红外光谱和比色分析法对它们的辐解产物叠氮酸(HN3)进行定性和定量分析。

Amino-6-nitrobenzodifuroxan was prepared through a three-step reaction from starting material 3, 5-dinitrobenzoic acid:(1)3, 5-dinitroaniline (1) was synthesized from the reaction of DNBA and hydrazoic acid in inert solvent 1, 2-dichioroethane through Schmidt rearrangement with yield of 89.6%;(2) 1 was subjected to nitration to prepare pentanitroaniline (2) with yield of 51.1%;(3) The title compound was prepared from 2 and sodium azide in acetic acid through denitrogenation and then Schmidt rearrangement with yield of 86.8%, m.p.204℃~206℃.

以3,5-二硝基苯甲酸为原料经过3步反应合成了7-氨基6-硝基苯并二氧化吠咱:第1步反应,在二氯乙烷惰性溶剂中,DNBA与叠氮酸反应并发生Schmidt重排反应生成3,5-二硝基苯胺(1),产率89.6%;第2步反应,1在含100%硫酸的硝硫混酸中硝化生成五硝基苯胺(2),产率51.1%;第3步反应,2与叠氮酸反应,不经分离直接进行热解脱氮、Schmidt重排反应,得到目标化合物, m.p.204℃~ 206℃,产率86.8%。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力