ESR谱表明:杂多酸催化剂的钨在苯气相硝化反应中发生了还原反应。
ESR spectrum show that reduced of heteropoly acid was occurred in vapor-phase nitration reaction of benzene.
探讨了苯硝化反应的途径,并解释了有关此反应的某些实验现象。
The reaction path for nitration of benzene can be appraised. Additionally, some experiment phenomena in connection with this reaction may be explained, too.
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.
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.
应用推荐