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- sulfamic acid chloride 氨基磺酰氯
- The results showed that sulfamic acid is an excellent catalyst for synthesis of acetophenone cylic ethylic ketal. 以氨基磺酸为催化剂,通过苯乙酮和乙二醇反应合成苯乙酮环乙二缩酮。
- Dibenzalpenlpentaerythritol was synthesized using sulfamic acid as catalyst.The yield rate of the product was over 87%. 用氨基磺酸催化合成季戊四醇双缩苯甲醛,产品收率达87%25以上。
- With ordinary solid sulfamic acid as a catalyst, benzyl acetate was synthesized with benzyl alcohol and acetic acid. 用普通固体酸氨基磺酸作催化剂,以苄醇和冰醋酸直接酯化合成乙酸苄酯。
- Similarly, using diketene to replace mixed anhydride or acid chloride, intermediate enol 5 may be obtained. 而由混合酸酐或双烯酮代替酰氯,中间体也可能是烯酮或烯醇5。
- The mechanism of dispersion effect of sulfamic acid series ASP on cement particles was studied. 研究了氨基磺酸系新型高效减水剂ASP对水泥净浆的分散作用机理。
- Sulfamic acid instead of sulfuric acid as a catalyst for synthesis of dibutyl maleate was reported. 用氨基磺酸催化合成了顺丁烯二酸二丁酯,酯收率为94%25。
- Cyclic carbonate, Amine aldehyde, keto, activated olefinic bond, N-alkoyl, acid, anydride, acid chloride, acetoacetoxy. 环碳酸酯,胺醛,酮,活性烯键的N alkoyl,酸,anydride,酰氯,乙酰乙酸。
- The normal temperature solid chemical cleanser was confected by sulfamic acid, the primary acid cleanser, and citric acid, the assistant acid cleanser. 摘要以氨基磺酸为主酸洗剂、柠檬酸为辅助酸洗剂配制了常温固体化学清洗剂。
- Using sulfamic acid as catalyst, synthesis of benzyl acetate and phenylethyl acetate through esterification were studied. The yields are good with high purity. 研究了氨基磺酸催化酯化合成乙酸苄酯和乙酸苯乙酯。此工艺反应时间短、能耗低、产品纯度高、产率良好、无三废污染,优于文献方法。
- A silica supported cyanoethylated soluble protein-Pd was prepared and its activity in catalyzing the cross-coupling reaction of organotin reagent and acid chloride was studied. 制备了以超细二氧化硅为载体的氰乙基化可溶性蛋白质 -钯催化剂 ,研究了它在有机锡烷和酰氯化合物的偶联反应中的催化行为。
- Ammonium tristyrylphenol polyoxyethylene ether sulfate was synthesized from tristyrylphenol polyoxyethy-lene ether and sulfamic acid using urea as catalyst. 以三苯乙烯基苯酚聚氧乙烯醚和氨基磺酸为原料,合成了三苯乙烯基苯酚聚氧乙烯醚硫酸酯铵盐。
- A new method was developed in the synthesis of DL-p-hydroxyphenylglycine by the reaction of phenol,sulfamic acid and aqueous solution of glyoxylic acid. 报道了氨基磺酸与乙醛酸和苯酚作用合成DL-对羟基苯甘氨酸的新方法。
- The first step was to protect the amino group of Tris by using t-butyloxycarbonyl anhydride((Boc)2O),then mPEG was activated by changing hydroxide terminal into acid chloride and carboxylation of mPEG was fulfilled before. 利用叔丁氧羰基酸酐((Boc)2O)对Tris上的氨基进行保护,对mPEG端羟基依次进行羧基化、酰氯化等活化处理,通过酰氯与羟基的官能团反应合成出目标分子。
- Acylation by acid chloride or acid anhydride and DCC methods were involved in the preparaion to avoid the tedious operation of isolation, because the pure compound could be prepared by the routine crystallization. 为避免各步反应产物不易分离带来的麻烦,分别用酰氯法、酸酐法和DCC法合成这些化合物,用常规结晶方法即可精制产物。
- Aryl nitriles were obtained by the reactoin of the corresponding carboxylic acids with urea in the presence of sulfamic acid in solvent. 报道了芳羧酸在氨基磺酸存在下,在溶剂中同尿素反应生成芳腈的新的合成方法,并同熔融法的实验结果进行了对比。
- The synthesis of peregal sulfate using sulfamic acid as sulphonating agent was described.Effect of various reaction conditions proportion of raw materials, the amount of catalyst ect. were discussed. 介绍了以氨基磺酸为硫酸化剂制备平平加0-15硫酸酯钠的反应条件,原料配比,催化剂用量等。
- Storage-stable, liquid carbodiimide-modified MDI are prepared in the presence of catalyst and terminated by means of different deactivatore such as CP and acid chloride in industry. 针对目前工业生产的碳化二亚胺改性高效液化MDI所使用的催化剂和各失活剂的作用机理进行了研究,并对失活剂的稳定性能进行了对比。
- In this article,the mechanism and the methods used for the reduction of carboxylic acids,esters,amides,acid chloride,amino acids and the... 介绍了硼氢化钠还原羧酸及其衍生物的机理,综述了硼氢化钠在羧酸、羧酸酯、酰胺、酰氯和氨基酸及其衍生物还原中的应用。
- Sanding Chemicals Co., Ltd. - Manufacturer of sulfamic acid, ammonium sulfamate, magnesium sulfate, and guanidine hydrochloride. Production in Tangshan and Laizhou, China. [唐山三鼎化工有限公司主要产品为氨基磺酸铵,氨基磺酸胍、盐酸胍、液体盐酸胍及相关产品。