说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 糠氯酸
1)  mucochloric acid
糠氯酸
1.
The domestic consumption of mucochloric acid in pharmaceutical industry is 2500 ~ 3000 t/a, the consumption volume in pesticide industry for production of acaricide and herbicide is 800 ~ 1000 t/a, and in the other industry is 500 ~ 600 t/a.
糠氯酸主要用于制备磺胺嘧啶、哒螨酮、咪草烟和卤化银照相材料。
2.
The synthesis method of mucochloric acid by furfural and chlorine is introduced.
介绍了用糠醛和氯气合成糠氯酸的方法 ,收率为70
2)  furfuryl furoate
糠酸糠酯
3)  Diloxanide
抗阿米巴,二氯尼特,糠酯酰胺, 二氯散,二氯尼特糠酸酯,安特酰胺煤炭糠酸酯,氯胺酚,二氯散糠酸酯
4)  Furoic acid
糠酸
1.
Supported noble metallic catalysts were prepared with different kind of noble metals and of supports,their catalytic performance for furoic acid hydrogenation were investigated in fixed bed micro-reactor in water under different conditions such as reaction pressure,temperature,H2 space velocity,space velocity of furoic acid and solvent and so on.
采用水作溶剂的固定床操作系统,用钌、铑、钯、铂等作为担载金属,氧化硅、活性炭(AC)、γ-三氧化二铝等作为载体,制备了多种负载型催化剂,评价了它们的糠酸选择性杂环加氢催化性能。
2.
The hydrogenation and methyl esterification of furoic acid over Pd-Ni/γ-Al2O3 catalysts was investigated in fixed bed micro-reactor under different conditions such as reaction temperature,pressure,H2 space velocity,space velocity of furoic acid and methol,ratio of H2 and furoic acid and so on.
以糠酸、甲醇、氢气为原料,采用连续流动固定床微反应器,Pd-Ni/γ-Al2O3为催化剂,使糠酸一步加氢甲酯化生成α-四氢糠酸甲酯。
3.
A new method employing furoic acid and the n-butanol to synthesize the furoic acid-n-butyrate flavor has been reported in this paper.
以糠酸和正丁醇为原料,改性钼镍粉作催化剂取代以往常用的硫酸作催化剂,合成糠酸正丁酯香料。
5)  α-furfuryl chloride
α-糠基氯
1.
Bunte salt was first prepared by α-furfuryl chloride and sodium thiosulfate.
首先以α-糠基氯和硫代硫酸钠反应制备Bunte盐,然后Bunte盐与2-甲基-3-呋喃硫醇在碱性条件下反应合成了产品糠基2-甲基-3-呋喃基二硫醚。
6)  Pyromrcyl chloride
糠酰氯
补充资料:糠氯酸
分子式:C4H2Cl2O3
分子量:168.96
CAS号:87-56-9

性质:白色或微黄色结晶状粉末。熔点125-127℃,闪点100℃,总酸度95%-102%。溶于沸水、乙醇、乙醚和热苯,微溶于冷水。在空气中稳定,但易潮解。

制备方法:1.糠醛氧化氯化法糠醛在强酸性溶液中通入氯气进行氧化和氯化而得。2.二氧化锰-盐酸氧化氯化法在盐酸存在下,糠醛与二氧化锰在低温下进行氧化,然后再升高温度进行氯化而得。

用途:有机合成中间体。用于合成广谱高效新型杀螨剂哒螨酮,除草剂苯纳松,也用于医药磺胺吡啶等和感光材料的合成。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条