ES8104213A1 - Procedimiento para la preparacion de acido 4,4'dinitro es- tilben-2,2'-disulfonico y sus sales - Google Patents

Procedimiento para la preparacion de acido 4,4'dinitro es- tilben-2,2'-disulfonico y sus sales

Info

Publication number
ES8104213A1
ES8104213A1 ES492243A ES492243A ES8104213A1 ES 8104213 A1 ES8104213 A1 ES 8104213A1 ES 492243 A ES492243 A ES 492243A ES 492243 A ES492243 A ES 492243A ES 8104213 A1 ES8104213 A1 ES 8104213A1
Authority
ES
Spain
Prior art keywords
salts
disulfonic acid
dinitrostilbene
preparing
acid
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
ES492243A
Other languages
English (en)
Other versions
ES492243A0 (es
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.)
Novartis AG
Original Assignee
Ciba Geigy AG
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 Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of ES8104213A1 publication Critical patent/ES8104213A1/es
Publication of ES492243A0 publication Critical patent/ES492243A0/es
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

PROCEDIMIENTO PARA LA PREPARACION DE ACIDO 4,4''-DINITROESTILBEN-2,2''-DISULFONICO Y SUS SALES, DE FORMULA GENERAL (I), EN DONDE M SIGNIFICA HIDROGENO O UN CATION DE METAL ALCALINO. *FORMULA* ESTE COMPUESTO SE OBTIENE POR OXIDACION DEL ACIDO 4-NITROTOLUEN-2-SULFONICO EN UN MEDIO FORMADO POR UN DISOLVENTE ORGANICO Y EN PRESENCIA DE BASES FUERTES, CON O SIN CATALIZADORES; LOS DISOLVENTES ORGANICOS PUEDEN SER DIPOLARES APROTICOS, ASI COMO N-METILPIRROLIDONA, SULFOXIDO DE DIMETILO, SULFONATO, ACETO-NITRILO, TETRAMETILURE O MEZCLAS DE ESTOS DISOLVENTES. O
ES492243A 1979-06-08 1980-06-07 Procedimiento para la preparacion de acido 4,4'dinitro es- tilben-2,2'-disulfonico y sus sales Granted ES492243A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH536979 1979-06-08

Publications (2)

Publication Number Publication Date
ES8104213A1 true ES8104213A1 (es) 1981-04-01
ES492243A0 ES492243A0 (es) 1981-04-01

Family

ID=4292399

Family Applications (1)

Application Number Title Priority Date Filing Date
ES492243A Granted ES492243A0 (es) 1979-06-08 1980-06-07 Procedimiento para la preparacion de acido 4,4'dinitro es- tilben-2,2'-disulfonico y sus sales

Country Status (16)

Country Link
US (1) US4719051A (es)
EP (1) EP0026154B1 (es)
JP (1) JPS5629561A (es)
AR (1) AR226180A1 (es)
AT (1) ATE3974T1 (es)
AU (1) AU538454B2 (es)
BR (1) BR8003536A (es)
CA (1) CA1159082A (es)
DD (1) DD152545A5 (es)
DE (1) DE3063958D1 (es)
ES (1) ES492243A0 (es)
MX (1) MX153817A (es)
PL (1) PL125844B1 (es)
SU (1) SU927112A3 (es)
YU (1) YU148580A (es)
ZA (1) ZA803393B (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3263947D1 (en) * 1981-12-31 1985-07-04 Ciba Geigy Ag Process for the preparation of p-nitrotoluene sulfonic acid
DE3519552A1 (de) * 1985-05-31 1986-12-04 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von 4,4'-dinitrostilben-2,2'-disulfonsaeuresalzen
ATE51398T1 (de) * 1987-08-12 1990-04-15 Ciba Geigy Ag Verfahren zur herstellung von 4,4'-dinitrostilben-2,2'-disulfonsaeure.
US4952725A (en) * 1988-03-08 1990-08-28 Ciba-Geigy Corporation Process for the preparation of 4,4'dinitrostilbene-2,2'-disulfonic acid and its salts
US5021132A (en) * 1990-08-07 1991-06-04 Sandoz Ltd. Electrochemical process for preparing 4,4'-dinitrostilbene-2,2'-disulfonic acid and the salts thereof
DE4330377A1 (de) * 1993-09-08 1995-03-09 Bayer Ag Verfahren zur Herstellung von 4,4'-Dinitrostilben-2,2'-disulfonsäure
DE4418305A1 (de) 1994-05-26 1995-11-30 Bayer Ag Verfahren zur Herstellung von 4.4'-Dinitrostilben-2.2'-disulfonsäure und ihren Salzen
CN103626681B (zh) * 2012-08-20 2015-09-09 中国中化股份有限公司 一种制备4,4′-二硝基二苯乙烯-2,2′-二磺酸的方法
TWI567051B (zh) * 2015-11-06 2017-01-21 財團法人工業技術研究院 二苯乙烯化合物的製備方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2212084A (en) * 1940-08-20 Nucleak alkylated diaminostilbene
US2821550A (en) * 1956-12-27 1958-01-28 Gen Aniline & Film Corp Process of preparing 4-nitro-2-stilbene sulfonic acid salts
BE792103A (fr) * 1971-12-01 1973-05-30 Clayton Aniline Co Ltd Nouveau procede de fabrication de l'acide dinitrostilbene disulfonique a l'echelle industrielle

Also Published As

Publication number Publication date
DD152545A5 (de) 1981-12-02
US4719051A (en) 1988-01-12
EP0026154B1 (de) 1983-06-29
ATE3974T1 (de) 1983-07-15
SU927112A3 (ru) 1982-05-07
AU5910380A (en) 1980-12-11
PL224776A1 (es) 1981-03-27
CA1159082A (en) 1983-12-20
ES492243A0 (es) 1981-04-01
MX153817A (es) 1987-01-19
DE3063958D1 (en) 1983-08-04
EP0026154A1 (de) 1981-04-01
AU538454B2 (en) 1984-08-16
JPH025741B2 (es) 1990-02-05
ZA803393B (en) 1981-05-27
YU148580A (en) 1983-02-28
BR8003536A (pt) 1981-01-05
AR226180A1 (es) 1982-06-15
JPS5629561A (en) 1981-03-24
PL125844B1 (en) 1983-06-30

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Legal Events

Date Code Title Description
PC1A Transfer granted