GB2136430B - Production of 4,4'-dinitrostilbene-2,2'-disulfonic acid or a salt thereof - Google Patents

Production of 4,4'-dinitrostilbene-2,2'-disulfonic acid or a salt thereof

Info

Publication number
GB2136430B
GB2136430B GB08406552A GB8406552A GB2136430B GB 2136430 B GB2136430 B GB 2136430B GB 08406552 A GB08406552 A GB 08406552A GB 8406552 A GB8406552 A GB 8406552A GB 2136430 B GB2136430 B GB 2136430B
Authority
GB
United Kingdom
Prior art keywords
dinitrostilbene
salt
production
disulfonic acid
disulfonic
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
GB08406552A
Other languages
English (en)
Other versions
GB8406552D0 (en
GB2136430A (en
Inventor
Ryoichi Hasegawa
Koichi Takase
Shigeru Yokoyama
Junko Inoue
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.)
Nippon Kayaku Co Ltd
Original Assignee
Nippon Kayaku Co Ltd
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 Nippon Kayaku Co Ltd filed Critical Nippon Kayaku Co Ltd
Publication of GB8406552D0 publication Critical patent/GB8406552D0/en
Publication of GB2136430A publication Critical patent/GB2136430A/en
Application granted granted Critical
Publication of GB2136430B publication Critical patent/GB2136430B/en
Expired 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)
  • Catalysts (AREA)
GB08406552A 1983-03-14 1984-03-13 Production of 4,4'-dinitrostilbene-2,2'-disulfonic acid or a salt thereof Expired GB2136430B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58040803A JPS59167560A (ja) 1983-03-14 1983-03-14 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

Publications (3)

Publication Number Publication Date
GB8406552D0 GB8406552D0 (en) 1984-04-18
GB2136430A GB2136430A (en) 1984-09-19
GB2136430B true GB2136430B (en) 1986-10-01

Family

ID=12590789

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08406552A Expired GB2136430B (en) 1983-03-14 1984-03-13 Production of 4,4'-dinitrostilbene-2,2'-disulfonic acid or a salt thereof

Country Status (4)

Country Link
JP (1) JPS59167560A (enrdf_load_stackoverflow)
CH (1) CH659065A5 (enrdf_load_stackoverflow)
DE (1) DE3409171A1 (enrdf_load_stackoverflow)
GB (1) GB2136430B (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3519552A1 (de) * 1985-05-31 1986-12-04 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von 4,4'-dinitrostilben-2,2'-disulfonsaeuresalzen
ES2015100B3 (es) * 1987-08-12 1990-08-01 Ciba-Geigy Ag Proceso de produccion del acido 4,4'- dinitrostilbeno 2,2'disulfon
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
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

Also Published As

Publication number Publication date
DE3409171A1 (de) 1984-09-20
GB8406552D0 (en) 1984-04-18
GB2136430A (en) 1984-09-19
CH659065A5 (de) 1986-12-31
JPH0149260B2 (enrdf_load_stackoverflow) 1989-10-24
JPS59167560A (ja) 1984-09-21

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950313