CA983026A - Process for the industrial manufacture of dinitrostilbene disulphonic acid - Google Patents
Process for the industrial manufacture of dinitrostilbene disulphonic acidInfo
- Publication number
- CA983026A CA983026A CA157,523A CA157523A CA983026A CA 983026 A CA983026 A CA 983026A CA 157523 A CA157523 A CA 157523A CA 983026 A CA983026 A CA 983026A
- Authority
- CA
- Canada
- Prior art keywords
- dinitrostilbene
- disulphonic acid
- industrial manufacture
- industrial
- manufacture
- 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
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5583871A GB1381730A (en) | 1971-12-01 | 1971-12-01 | Process for the industrial manufacture of dinitrostilbene disulphonic acid |
Publications (1)
Publication Number | Publication Date |
---|---|
CA983026A true CA983026A (en) | 1976-02-03 |
Family
ID=10475023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA157,523A Expired CA983026A (en) | 1971-12-01 | 1972-11-27 | Process for the industrial manufacture of dinitrostilbene disulphonic acid |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS4875553A (es) |
BE (1) | BE792103A (es) |
BR (1) | BR7208423D0 (es) |
CA (1) | CA983026A (es) |
CH (1) | CH576954A5 (es) |
DE (1) | DE2258530A1 (es) |
ES (1) | ES409127A1 (es) |
FR (1) | FR2164182A5 (es) |
GB (1) | GB1381730A (es) |
IT (1) | IT973782B (es) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2916912A1 (de) * | 1979-04-26 | 1980-11-06 | Bayer Ag | Verfahren zur herstellung von 4-nitrotoluol-2-sulfonsaeure |
DE3063958D1 (en) * | 1979-06-08 | 1983-08-04 | Ciba Geigy Ag | Process for preparing 4,4'-dinitrostilbene-2,2'-disulfonic acid and its salts and its use |
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 |
DE4330377A1 (de) * | 1993-09-08 | 1995-03-09 | Bayer Ag | Verfahren zur Herstellung von 4,4'-Dinitrostilben-2,2'-disulfonsäure |
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 |
CN107417581A (zh) * | 2017-08-15 | 2017-12-01 | 连云港莱亚化学有限公司 | 一种水相加压法合成dsd酸氧化中间体的方法 |
-
0
- BE BE792103D patent/BE792103A/xx unknown
-
1971
- 1971-12-01 GB GB5583871A patent/GB1381730A/en not_active Expired
-
1972
- 1972-11-22 JP JP47116713A patent/JPS4875553A/ja active Pending
- 1972-11-23 CH CH1707772A patent/CH576954A5/xx not_active IP Right Cessation
- 1972-11-27 CA CA157,523A patent/CA983026A/en not_active Expired
- 1972-11-28 FR FR7242281A patent/FR2164182A5/fr not_active Expired
- 1972-11-29 IT IT5434872A patent/IT973782B/it active
- 1972-11-29 DE DE19722258530 patent/DE2258530A1/de active Pending
- 1972-11-30 ES ES409127A patent/ES409127A1/es not_active Expired
- 1972-11-30 BR BR842372A patent/BR7208423D0/pt unknown
Also Published As
Publication number | Publication date |
---|---|
IT973782B (it) | 1974-06-10 |
CH576954A5 (es) | 1976-06-30 |
DE2258530A1 (de) | 1973-06-07 |
BE792103A (fr) | 1973-05-30 |
ES409127A1 (es) | 1975-11-16 |
JPS4875553A (es) | 1973-10-11 |
GB1381730A (en) | 1975-01-29 |
FR2164182A5 (es) | 1973-07-27 |
BR7208423D0 (pt) | 1973-08-23 |
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