ZA946870B - Process for preparing 4,4'-dinitrostilbene-2,2'-disulphonic acid. - Google Patents

Process for preparing 4,4'-dinitrostilbene-2,2'-disulphonic acid.

Info

Publication number
ZA946870B
ZA946870B ZA946870A ZA946870A ZA946870B ZA 946870 B ZA946870 B ZA 946870B ZA 946870 A ZA946870 A ZA 946870A ZA 946870 A ZA946870 A ZA 946870A ZA 946870 B ZA946870 B ZA 946870B
Authority
ZA
South Africa
Prior art keywords
dinitrostilbene
disulphonic acid
preparing
acid
nitrotoluene
Prior art date
Application number
ZA946870A
Other languages
English (en)
Inventor
Albert Schnatterer
Helmut Fiege
Original Assignee
Bayer 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 Bayer Ag filed Critical Bayer Ag
Publication of ZA946870B publication Critical patent/ZA946870B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
    • C07C303/02—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof
    • C07C303/22—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof from sulfonic acids, by reactions not involving the formation of sulfo or halosulfonyl groups; from sulfonic halides by reactions not involving the formation of halosulfonyl groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
    • C07C303/32—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of salts of sulfonic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
ZA946870A 1993-09-08 1994-09-07 Process for preparing 4,4'-dinitrostilbene-2,2'-disulphonic acid. ZA946870B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4330377A DE4330377A1 (de) 1993-09-08 1993-09-08 Verfahren zur Herstellung von 4,4'-Dinitrostilben-2,2'-disulfonsäure

Publications (1)

Publication Number Publication Date
ZA946870B true ZA946870B (en) 1995-04-24

Family

ID=6497144

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA946870A ZA946870B (en) 1993-09-08 1994-09-07 Process for preparing 4,4'-dinitrostilbene-2,2'-disulphonic acid.

Country Status (14)

Country Link
US (1) US5808141A (pt)
EP (1) EP0641773B1 (pt)
JP (1) JPH0782238A (pt)
KR (1) KR950008477A (pt)
CN (1) CN1052475C (pt)
AT (1) ATE186297T1 (pt)
AU (1) AU676351B2 (pt)
BR (1) BR9403456A (pt)
CZ (1) CZ288479B6 (pt)
DE (2) DE4330377A1 (pt)
ES (1) ES2139694T3 (pt)
PL (1) PL175551B1 (pt)
TW (1) TW290533B (pt)
ZA (1) ZA946870B (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4418305A1 (de) * 1994-05-26 1995-11-30 Bayer Ag Verfahren zur Herstellung von 4.4'-Dinitrostilben-2.2'-disulfonsäure und ihren Salzen
CN1313444C (zh) * 2005-12-20 2007-05-02 天津大学 铁粉还原dns钠盐制备dsd酸的半连续化方法
EP2208722A4 (en) * 2007-10-24 2014-04-02 Univ Nagoya Nat Univ Corp PROCESS FOR PRODUCTION OF DISULFONIC ACID COMPOUND, ASYMMETRIC MANNICH CATALYST, PROCESS FOR PRODUCTION OF AMINOCARBONYL DERIVATIVE, AND NOVEL DISULFONATE SALT
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
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
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 (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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.
JPS5738764A (en) * 1980-08-19 1982-03-03 Sumitomo Chem Co Ltd Preparation of 4,4'-dinitrostilbene-2,2'-disulfonic acid
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
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

Also Published As

Publication number Publication date
EP0641773B1 (de) 1999-11-03
AU676351B2 (en) 1997-03-06
AU7157094A (en) 1995-03-23
CN1105966A (zh) 1995-08-02
TW290533B (pt) 1996-11-11
DE59408874D1 (de) 1999-12-09
CZ288479B6 (en) 2001-06-13
BR9403456A (pt) 1995-05-16
ATE186297T1 (de) 1999-11-15
EP0641773A1 (de) 1995-03-08
DE4330377A1 (de) 1995-03-09
CZ216994A3 (en) 1995-03-15
ES2139694T3 (es) 2000-02-16
PL304947A1 (en) 1995-03-20
US5808141A (en) 1998-09-15
CN1052475C (zh) 2000-05-17
KR950008477A (ko) 1995-04-17
JPH0782238A (ja) 1995-03-28
PL175551B1 (pl) 1999-01-29

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