CAS: 393-75-9; 4-Chloro-3,5-Dinitrobenzotrifluoride

上下游产品

CAS号121-17-5 4-氯-3-硝基三氟甲苯 | CAS号7664-93-9 硫酸 | CAS号98-56-6 4-氯三氟甲苯 | CAS号349-57-5 3-硝基-5-三氟甲基苯酚 | CAS号393-77-1 2,6-二硝基-4-(三氟甲基)苯酚 | CAS号131182-93-9 3,5-dinitro-4-(... | CAS号120-78-5 二硫化二苯并噻唑 | CAS号34207-44-8 3,5-二氨基-4-氯三氟甲基苯 | CAS号368-53-6 3,5-二氨基三氟甲苯 | CAS号454-73-9 3-氟-5-硝基三氟甲苯 | CAS号33245-39-5 氟消草 | CAS号445-66-9 4-氨基-3,5-二硝基三氟甲苯

4-氯-3-硝基三氟甲苯置于硫酸,硝酸体系中,化学反应 2.5H,以94.2%的收率获得产物4-氯-3,5-二硝基三氟甲苯
参考文献:一种自动力连续硝化的方法及其装置
标题:一种自动力连续硝化的方法及其装置
摘要:本发明属于有机合成应用技术领域,具体涉及一种自动力连续硝化方法及其装置.该方法将原料(或原料溶液)及混酸(或硝酸)同时加自动力连续反应器,通过叶轮搅拌产生的自推动力,使反应料液在管程连续循环流动,混合和反应,完成传质传热过程,实现目标要求.本发能够提高传质,传热效率,提高换热,移热能力,缩短反应时间,降低艺危险度,规避热失控风险,提高反应安全性,有利于实现化工本质安放大生产.

专利信息

专利号:US-8507693-B2
优先权日:2010-03-03
标 题:Process for synthesis of fipronil
发明人：GHARDA KEKI HORMUSJI
权利人:GHARDA KEKI HORMUSJI
摘要:The present disclosure relates to a process for trifluoromethylsulfinyl pyrazole compound of formula I, n nfrom a compound of formula III, wherein, R, R 1 and R 2 represent a group containing halogen group respectively and R 3 represents a perhaloalkyl.

专利号:US-6271392-B1
优先权日:1994-10-07
标题:Intermediates useful for the synthesis of 1-arylpyrrole pesticides
发明人：CHENE ALAIN; HUBER SCOT KEVIN
权利人:RHONE POULENC INC
摘要:The present invention pertains to novel 3-substituted-4-thiopyrrole intermediates for the preparation of 1-arylpyrrole compounds that are useful for the control of insects, acarids and nematodes. n The compounds, including their isomers, e.g., diastereomers and optical isomers, are compounds of a general formula (I) n wherein the structural variables are as defined in the description.

专利号:EP-0289036-A1
优先权日:1987-04-30
标题:Preparation of 3-chloro-4,5-difluorobenzotrifluoride
发明人：MUNDHENKE RUDOLPH F; TANG DAVID Y
权利人:OCCIDENTAL CHEM CO
摘要:In the synthesis of 3-chloro-4,5-difluorobenzotrifluoride by reaction of KF with 3,5-dichloro-4-fluorobenzotrifluoride, the production of undesirable by-products, especially over-fluorinated materials such as trifluorobenzotrifluoride is minimized when the reaction is run at a temperature of 196° to 206° Celsius in the presence of N-methyl-2-pyrrolidone.

专利号:WO-2011107998-A1
优先权日:2010-03-03
标题 :Process for synthesis of fipronil

专利号:JP-H08193063-A
优先权日:1994-10-07
标题 :Novel intermediates useful in the synthesis of 1-arylpyrrole pesticides

专利号:AU-2010100462-A4
优先权日:2010-03-03
标题:A process for the synthesis of Fipronil