CA1180352A - Preparation de 1-chloro-2,6-dinitro-4- (trifluoromethyl)-benzene exempt d'agents de nitrosation - Google Patents

Preparation de 1-chloro-2,6-dinitro-4- (trifluoromethyl)-benzene exempt d'agents de nitrosation

Info

Publication number
CA1180352A
CA1180352A CA000401460A CA401460A CA1180352A CA 1180352 A CA1180352 A CA 1180352A CA 000401460 A CA000401460 A CA 000401460A CA 401460 A CA401460 A CA 401460A CA 1180352 A CA1180352 A CA 1180352A
Authority
CA
Canada
Prior art keywords
dinitro
pcbt
bisulphite
solution
aqueous
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000401460A
Other languages
English (en)
Inventor
Edoardo Pallucca
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oxon Italia SpA
Original Assignee
Oxon Italia SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oxon Italia SpA filed Critical Oxon Italia SpA
Priority to CA000401460A priority Critical patent/CA1180352A/fr
Application granted granted Critical
Publication of CA1180352A publication Critical patent/CA1180352A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA000401460A 1982-04-22 1982-04-22 Preparation de 1-chloro-2,6-dinitro-4- (trifluoromethyl)-benzene exempt d'agents de nitrosation Expired CA1180352A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000401460A CA1180352A (fr) 1982-04-22 1982-04-22 Preparation de 1-chloro-2,6-dinitro-4- (trifluoromethyl)-benzene exempt d'agents de nitrosation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000401460A CA1180352A (fr) 1982-04-22 1982-04-22 Preparation de 1-chloro-2,6-dinitro-4- (trifluoromethyl)-benzene exempt d'agents de nitrosation

Publications (1)

Publication Number Publication Date
CA1180352A true CA1180352A (fr) 1985-01-02

Family

ID=4122630

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000401460A Expired CA1180352A (fr) 1982-04-22 1982-04-22 Preparation de 1-chloro-2,6-dinitro-4- (trifluoromethyl)-benzene exempt d'agents de nitrosation

Country Status (1)

Country Link
CA (1) CA1180352A (fr)

Similar Documents

Publication Publication Date Title
EP3296290B1 (fr) Procédé cyclique pour produire de la taurine
US4482769A (en) Reducing 2,4-dinitroortho-cresol in effluent stream from dinitrotoluene process
US2964535A (en) Purification of nu-methyl pyrrolidone
US4440962A (en) Process for removing nitrosating agents from 1-chloro-2,6-dinitro-4-(trifluoromethyl) benzene
EP0164410B1 (fr) Destruction de dnpi dans un procede de nitration totalement par l'acide nitrique
CA1180352A (fr) Preparation de 1-chloro-2,6-dinitro-4- (trifluoromethyl)-benzene exempt d'agents de nitrosation
TW201509833A (zh) 用於處理來自硝基苯製備中之廢水的方法
EP0092591B1 (fr) Procédé de préparation de 1-chloro-2,6-dinitro-4-(trifluorométhyl)-benzène sans agents de nitratation
US4241229A (en) Recovery of nitrated aromatic compounds from nitration wash liquors
US4232175A (en) Nitrosation of aromatic compounds
US4338473A (en) Method for removing nitrosation agent(s) from a nitrated aromatic compound
US2430421A (en) Process for the purification of mononitro aromatic compounds
JP3155126B2 (ja) スルフォレンの製造方法
JPH0729996B2 (ja) ニトロソアミンを含有していないn.n―ジ置換ニトロ芳香族アミンを製造する方法及びn.n―ジ置換ニトロ芳香族アミンをニトロソアミンの再生成に対して安定化させる方法
JP3169168B2 (ja) トリフルオロメタンスルホンアニリド誘導体の製造方法
DK152039B (da) Fremgangsmaade til fremstilling af 1-chlor-2,6-dinitro-4-(trifluormethyl)-benzen, der ikke indeholder nitroserende midler
US3624164A (en) Preparation of alkali metal salts of nitrophenols
CA2110329C (fr) Methode de preparation d'ethalfluraline
WO1998003467A1 (fr) Procede de fabrication de solutions aqueuses de betaine
JPH0234340B2 (ja) Nitorosokazaioganjushinai11kuroroo2*66jinitoroo44*torifuruoromechiru*benzennoseiho
CA1066309A (fr) Dinitration du nitrobenzotrifluor
JPH0741462A (ja) 2−ヒドロキシメチルメルカプト酪酸の製造方法
JPH0113460B2 (fr)
JPH0114905B2 (fr)
US4014928A (en) Process for purifying α-amino acids

Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry