提出了一种以2，3-二氯硝基苯为原料，经氟化、高温氯化、硝化、再氟化反应合成2，3，4-三氟硝基苯的新工艺路线。
A method is given for synthesis of 2,3,4 trifluoronitrobenzene from 2,3 dichloronitrobenzene by fluorination, chlorination, nitration, etc.
制备了用对硝基苯甲酰氯处理的间氯甲酚或3-羟基-4-氯苯酚，并转化为取代的对硝基苯甲酮。
M-chlorocresol or 3-hydroxy-4-chlorophenol on treatment with p-nitrobenzoyl chloride was prepared and conyerted into substituted p-nitrobezyl ketone.
采用EXAMS模式，研究了运河常州段中存在的双-（2-氯乙基）醚、硝基苯、喹啉以及挥发酚的暴露、归趋和持久性。
The exposure, fate and persistence of bis-(2 -chloroethyl )ether, nitrobenzene, quinoline and volatile phenol existing in the Grand Canal at Changzhou have been studied using EXAMS model.
为解决胶原酶免疫原性，采用经氯甲酸对硝基苯酯活化的单甲氧基聚乙二醇来修饰胶原酶。
In order to overcome the immunogenicity of collagenase, the enzyme was modified with monomethoxypolyethylene glycol 5000 (mPEG) activated by p nitrophenyl chloroformate.
硝基苯、2-氯代苯甲酸等污染物的降解率分别为1 0 0 %。
The degradability for nitrobenzene, 2 chloro butenoic acid are all 100%.
方法以对硝基苯甲酰氯为起始原料，经缩合、还原、重氮化、偶合、成盐等反应制得巴柳氮二钠。
METHODS Balsalazide disodium was synthesized by reactions of condensation , reduction, diazotization , coupling and salification from 4-nitrobenzoyl chloride.
方法：以对硝基苯甲酰氯为原料，经氨解、氢化、重氮化及偶合四步反应得到了巴柳氮。
METHODS:This compound was synthesize by steps of ammonolysis, hydrogenize, diazotization and coupling from 4 nitrobenzoyl chloride.
方法：以对硝基苯甲酰氯为原料，经氨解、氢化、重氮化及偶合四步反应得到了巴柳氮。
METHODS:This compound was synthesize by steps of ammonolysis, hydrogenize, diazotization and coupling from 4 nitrobenzoyl chloride.
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