Transportation and based on chemical professing factory. we had a set of product line of annual productive sulfur bearing acerbity 100 thousand tons and a set of cysteamine hydrochloride line of annual productive dimethyl
我廠有年產10萬噸
硫磺制酸生產線一套,年產1500噸半胱胺鹽酸鹽及年產5000噸
硫酸二甲
酯生產線各一套,年產3000噸合成蒽醌和年產800噸二乙基蒽醌生產線各一
Curative effect analysis of several blood purification therapies on amanita verna poisoning
辛
硫磷和氰戊菊
酯混配農藥中毒致死1例分析
Catalytic synthesis of isoamyl benzoate with ammonium ferric sulfate
硫酸鐵銨催化合成苯甲酸異戊
酯
A review on application of monohydrated sodium bisulfate as catalyst in synthesis of ester, such as monocarboxylic esters, dicarboxylic esters, chloroacetates, hydroxycarboxylic esters, aromatic esters and the reusability of sodium bisulfate with
摘要介紹了一水
硫酸氫鈉在催化合成
酯(如一元羧酸
酯、二元羧酸
酯、氯乙酸
酯、羥基酸脂、芳香酸
酯)中的應用及其重復催化性能。
The preparation method of methyl 1 - naphthylacetate catalyzed by sulphuric acid, hydrochloric acid, chlorosulfonic acid, p - toluene sulfonic acid, amino sulfonic acid, strongly acidic cationic exchange resin, ferric chloride hexahydrate, stannic chloride pentahydrate, aluminium chloride, ferric sulfate, aluminium sulfate, titanium sulfate, sodium bisulfate monohydrate, solid super acid, heterpoly acid, support heterpoly acid, composite titanate and p - toluene sulfo - chloride etc. catalyst were reviewed
摘要評述了
硫酸、鹽酸、氯磺酸、對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水三氯化鐵、五水四氯化錫、三氯化鋁、
硫酸鐵、
硫酸鋁、
硫酸鈦、一水
硫酸氫鈉、固體超強酸、雜多酸、固載雜多酸、復合鈦酸
酯和對甲苯磺酰氯等催化劑催化合成1 -萘乙酸甲
酯的方法。
The methods for synthesizing p - hydroxyl ethyl benzoate catalyzed by sulfuric acid, p - toluene sulfonic acid, amino sulfonic acid, strongly acidic cationic exchange resin, ferric chloride hexahydrate, aluminum chloride hexahydrate, stannic chloride pentahydrate, copper sulfate, titanium sulfate, rare earth metal oxide, sodium bisulfate monohydrate, solid super acid and heteropoly acid and so on are reviewed
摘要評述了
硫酸、對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水合三氯化鐵、六水合三氯化鋁、五水四氯化錫、
硫酸銅、
硫酸鈦、稀土金屬氧化物、一水
硫酸氫鈉、固體超強酸、雜多酸等催化劑催化合成對羥基苯甲酸乙
酯的方法。
The synthesis methods of isobutyl acetate catalyzed by p - toluene sulfonic acid, amino sulfonic acid, strongly acidic cationic exchange resin, ferric chloride hexahydrate, cupric chloride bi - hydrate, stannic chloride pentahydrate, ammonium ferric sulfate dodecahydrate, sodium bisulfate monohydrate, potassium bisulfate, chitosan sulfate, sodium dihydrogen phosphate, rare earth metallic oxide, solid super acid, heteropoly acid and molecular sieve etal were reviewed
摘要評述了對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水三氯化鐵、二水氯化銅、五水四氯化錫、十二水合
硫酸鐵銨、一水
硫酸氫鈉、
硫酸氫鉀、殼聚糖
硫酸鹽、磷酸二氫鈉、稀土金屬氧化物、固體超強酸、雜多酸和分子篩等催化劑催化合成乙酸異丁
酯的方法。
Catalytic synthesis of diisoamylester maleate with toluene - p - sulfonic acid, amino - sulfonic acid, strongly acidic cation exchange resin, ferric chloride hexahydrate, stannic chloride pentahydrate ; ammonium ferric sulfate dodecahydrate, sodium bisulfate monohydrate, solid super acid and heteropoly acid was reviewed
摘要綜述了對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水三氯化鐵、五水四氯化錫、十二水合
硫酸鐵銨、水
硫酸氫鈉、固體超強酸和雜多酸催化合成馬來酸二異戊
酯的方法。
The experimental results of the catalysts such as p - toluene sulfonic acid, strongly acidic cationic exchange resin, sulfo - polyvinyl chloride resin ferric chloride hexahydrate, polyvinyl chloride - ferric chloride resin chlorinated polyvinyl chloride - ferric chloride resin, stannous chloride dihydrate, ammonium ferric sulfate dodecahydrate, ferrie sulfate - potassium thiosulfate, cerium sulfate tetrahydrate, sodium bisulfate monohydrate potassium bisulfate, neodymia solid super acid and heteropoly acid for catalytic synthesis of ethyl chloroacetate were reviewed
摘要評述了對甲苯磺酸、強酸性陽離子交換樹脂、磺化聚氯乙烯樹脂、六水三氯化鐵、聚氯乙烯三氯化鐵樹脂、氯化聚氯乙烯三氯化鐵樹脂、二水氯化亞錫、十二水合
硫酸鐵按、
硫酸鐵
硫代
硫酸鉀復鹽、四水
硫酸鈰、一水
硫酸氫鈉、
硫酸氫鉀、三氧化二釹、固體超強酸和雜多酸等催化劑催化合成氯乙酸乙
酯的實驗結果。
Catalytic synthesis of n - propyl carboxylate using ammonium ferric sulfate
硫酸鐵銨催化合成羧酸正丙
酯
Catalytic synthesis of cyclohexyl carboxylate with ammonium ferric sulfate
硫酸鐵銨催化合成羧酸環己
酯
The catalytic synthesis of n - propyl carboxylate with ammonium ferric sulfate
硫酸鐵銨催化合成羧酸正丙
酯
A new convenient synthesis of a series of polyfluoroalkyl substituted cyclopropane derivatives was achieved by the reaction of polyfluoroalkyl iodides with diethyl allylmalonate in the presence of sodium dithionite in 45 % ~ 55 % yields
摘要以連二亞
硫酸鈉為引發劑,烯丙基丙二酸二乙
酯與多氟烷基碘代烷在溫和條件下反應,方便地得到一系列多氟烷基取代的環丙烷衍生物,產率45 % ~ 55 % 。
[ objective ] heparin is linear polysaccharides consisting of repeating disaccharide unit backbones of n - acetyl - d - glucosamine that is linked to d - glucuronic acid. the disaccharide repeat unit can be modified to include n - and o - sulfation ( 6 - o and 3 - o sulfation of the glucosamine and 2 - o sulfation of the uronic acid ). these specific sulfate patterns are involved in the interaction of heparin with other molecules
[目的]肝素是由n -乙酰葡萄糖胺與d -葡萄糖醛酸以1 4糖苷鍵連接起來的重復二糖單位組成的線性多糖,葡萄糖胺可帶有n -
硫酸基團,可在c6上形成0 -
硫酸
酯,帶有
硫酸基團的獨特結構參與了肝素與其他分子的相互作用。
Only a very limited amount of data is available on thiol esters.
有關
硫醇
酯類的數據非常有限。
Synthesis of glycerin triacetate catalyzed by ammonium ferric sulfate dodecahydrate
十二水合
硫酸鐵銨催化合成甘油三乙酸
酯
This enzyme was different with the ones reported in the past. a phosphatase was isolated from the chloroplast thylakoid membrane of ipomoea aquatica, by nacl extration, ammonium sulfate precipitation, ion - exchange chromatography and hydrophic chromatography through butyl - toyopearl 650m column
使用nacl抽提、
硫酸銨分步沉澱、離子交換和butyl - toyopearl650m疏水柱層析等方法,從蕹菜葉綠體類囊體膜中分離純化到一種蛋白磷酸
酯酶。
Catalytic synthesis of iso - pentyl lactate with ammonium ferric sulfate
硫酸鐵銨催化合成乳酸異戊
酯
Electrospray ionization mass spectra of nucleoside 5 - thiophosphoramidates
硫代磷酰氨基酸酯電噴霧質譜研究