1) Hofmann's water-electrolyser
![点击朗读](/dictall/images/read.gif)
霍夫曼水电解器
2) Huffman decoder
![点击朗读](/dictall/images/read.gif)
霍夫曼解码器
3) Hofmann degradation
![点击朗读](/dictall/images/read.gif)
霍夫曼降解
1.
2,3,5,6-Tetrafluoroaniline was prepared from 2,3,5,6-tetrafluorobenzoic acid as raw material through a series of reactions including acyl chlorination,amidation and Hofmann degradation.
以2,3,5,6-四氟苯甲酸为原料,经过酰氯制得酰胺后,再经霍夫曼降解制得2,3,5,6-四氟苯胺,总收率76。
4) Hoffmann degradation
![点击朗读](/dictall/images/read.gif)
霍夫曼酰胺降解
1.
2-Nitro-3-chloroaniline was synthesized from 2-nitro-3-chloro benzoic acid via acylchloride formation,amidation and Hoffmann degradation.
以2-硝基-3-氯苯甲酸为原料,由酰氯制备出酰胺后,经霍夫曼酰胺降解制得2-硝基-3-氯苯胺,研究了碱的用量、重排温度、脱羧温度和脱羧时间对降解反应的影响。
5) hofmann degradation
![点击朗读](/dictall/images/read.gif)
霍夫曼氏分解
6) Hoffmann oscillator
![点击朗读](/dictall/images/read.gif)
霍夫曼振荡器
补充资料:水夫
1.纤夫,船工。 2.挑水工人。
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