AR245692A1 - Procedimiento para la preparacion del acido 4,4'-dinitroestilben-2,2'-disulfonico. - Google Patents

Procedimiento para la preparacion del acido 4,4'-dinitroestilben-2,2'-disulfonico.

Info

Publication number
AR245692A1
AR245692A1 AR88310890A AR31089088A AR245692A1 AR 245692 A1 AR245692 A1 AR 245692A1 AR 88310890 A AR88310890 A AR 88310890A AR 31089088 A AR31089088 A AR 31089088A AR 245692 A1 AR245692 A1 AR 245692A1
Authority
AR
Argentina
Prior art keywords
procedure
disulphonic acid
dinitroestylben
preparing
oxidation
Prior art date
Application number
AR88310890A
Other languages
English (en)
Original Assignee
Ciba Geigy
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
Priority claimed from CH3098/87A external-priority patent/CH672785A5/de
Application filed by Ciba Geigy filed Critical Ciba Geigy
Application granted granted Critical
Publication of AR245692A1 publication Critical patent/AR245692A1/es

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)
  • Catalysts (AREA)

Abstract

PROCEDIMIENTO PARA LA PREPARACION DEL ACIDO 4,4'-DINITROESTILBEN-2,2'- DISULFONICO Y SUS SALES DE LA FORMULA (I), DONDE M ES HIDROGENO, UN CATION METALICO ALCALINO O UN CATION METALICO ALCALINO OUN CATION DE AMONIO, POR OXIDACION DEL ACIDO 4-NITROTOLUEN-2-SULFONICO O SUS SALES CON UN AGENTE OXIDANTE DONDE LA OXIDACION SE REALIZA EN AMONIACO LIQUIDO, LIBRE DE AGUA, EN SU DERIVADO ALQUILADO EVENTUALMENTE EN PRESENCIA DE AGUA Y/O EN SUS MEZCLAS ENTRE SI EN PRESENCIA DE BASES FUERTES.
AR88310890A 1987-08-12 1988-05-18 Procedimiento para la preparacion del acido 4,4'-dinitroestilben-2,2'-disulfonico. AR245692A1 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH3098/87A CH672785A5 (en) 1987-08-12 1987-08-12 4,4-di:nitro-stilbene 2,2-di:sulphonic acid or salt prodn.
CH422887 1987-10-29
CH114288 1988-03-25

Publications (1)

Publication Number Publication Date
AR245692A1 true AR245692A1 (es) 1994-02-28

Family

ID=27172734

Family Applications (1)

Application Number Title Priority Date Filing Date
AR88310890A AR245692A1 (es) 1987-08-12 1988-05-18 Procedimiento para la preparacion del acido 4,4'-dinitroestilben-2,2'-disulfonico.

Country Status (14)

Country Link
US (1) US5041632A (es)
EP (1) EP0305648B1 (es)
JP (1) JP2512532B2 (es)
AR (1) AR245692A1 (es)
AT (1) ATE51398T1 (es)
AU (1) AU608009B2 (es)
BR (1) BR8802886A (es)
CA (1) CA1331198C (es)
CS (1) CS268849B2 (es)
DE (1) DE3860061D1 (es)
ES (1) ES2015100B3 (es)
MX (1) MX168910B (es)
PL (1) PL159213B1 (es)
YU (1) YU96988A (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US6269757B1 (en) 2000-08-03 2001-08-07 Lauren J. Kiest Method and apparatus for delivering fertilizer to the soil
CN102351748B (zh) * 2011-08-22 2013-08-21 山西阳煤丰喜肥业(集团)有限责任公司 一种dsd酸生产过程中的dns钠盐的制备方法
CN106146357B (zh) * 2015-04-14 2017-12-26 上海合丽亚日化技术有限公司 一种dsd酸的制备方法
CN108017564A (zh) * 2017-12-22 2018-05-11 江苏淮河化工有限公司 一种溶剂法制备dns酸

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE106961C (es) *
DE113514C (es) *
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
ATE3974T1 (de) * 1979-06-08 1983-07-15 Ciba-Geigy Ag Verfahren zur herstellung von 4,4'-dinitrostilben-2,2'-disulfonsaeure und deren salzen und deren verwendung.
JPS59167560A (ja) * 1983-03-14 1984-09-21 Nippon Kayaku Co Ltd ４，４′−ジニトロスチルベン−２，２′−ジスルホン酸又はその塩の製造法
DE3519552A1 (de) * 1985-05-31 1986-12-04 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von 4,4'-dinitrostilben-2,2'-disulfonsaeuresalzen
DD240200A1 (de) * 1985-08-12 1986-10-22 Bitterfeld Chemie Verfahren zur herstellung von 4,4'-dinitrostilben-2,2'-disulfonsaeure i

Also Published As

Publication number Publication date
EP0305648A1 (de) 1989-03-08
AU1745288A (en) 1989-02-16
DE3860061D1 (de) 1990-05-03
EP0305648B1 (de) 1990-03-28
CS329288A2 (en) 1989-08-14
MX168910B (es) 1993-06-14
AU608009B2 (en) 1991-03-21
ATE51398T1 (de) 1990-04-15
CS268849B2 (en) 1990-04-11
YU96988A (en) 1989-10-31
JP2512532B2 (ja) 1996-07-03
PL159213B1 (pl) 1992-11-30
ES2015100B3 (es) 1990-08-01
BR8802886A (pt) 1989-02-28
JPS6450854A (en) 1989-02-27
PL272668A1 (en) 1989-02-20
US5041632A (en) 1991-08-20
CA1331198C (en) 1994-08-02

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