DE69604878T2 - Herstellung von Alkansulfonamiden mit niedrigen Ammonium-Restverunreinigungen - Google Patents
Herstellung von Alkansulfonamiden mit niedrigen Ammonium-RestverunreinigungenInfo
- Publication number
- DE69604878T2 DE69604878T2 DE69604878T DE69604878T DE69604878T2 DE 69604878 T2 DE69604878 T2 DE 69604878T2 DE 69604878 T DE69604878 T DE 69604878T DE 69604878 T DE69604878 T DE 69604878T DE 69604878 T2 DE69604878 T2 DE 69604878T2
- Authority
- DE
- Germany
- Prior art keywords
- alkanesulfonamides
- manufacture
- low residual
- residual ammonium
- impurities
- 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 - Fee Related
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
- C07C303/42—Separation; Purification; Stabilisation; Use of additives
- C07C303/44—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/517,320 US5599983A (en) | 1995-08-21 | 1995-08-21 | Preparation of alkanesulfonamides with low residual ammonium impurities |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69604878D1 DE69604878D1 (de) | 1999-12-02 |
DE69604878T2 true DE69604878T2 (de) | 2000-02-17 |
Family
ID=24059323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69604878T Expired - Fee Related DE69604878T2 (de) | 1995-08-21 | 1996-08-06 | Herstellung von Alkansulfonamiden mit niedrigen Ammonium-Restverunreinigungen |
Country Status (4)
Country | Link |
---|---|
US (1) | US5599983A (de) |
EP (1) | EP0761646B1 (de) |
JP (1) | JPH09110825A (de) |
DE (1) | DE69604878T2 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111995552B (zh) * | 2020-08-19 | 2022-04-01 | 河北亚诺生物科技股份有限公司 | 一种水法制备甲基磺酰胺的方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3574740A (en) * | 1968-06-11 | 1971-04-13 | Pennwalt Corp | Method of preparing methane sulfonamide and its derivatives |
CS235626B1 (cs) * | 1983-10-21 | 1985-05-15 | Jiri Terc | Způsob přípravy methansulfonamidu |
FR2609986B1 (fr) * | 1987-01-23 | 1989-05-05 | Elf Aquitaine | Procede ameliore d'obtention d'alcanes sulfonamides |
US4970339A (en) * | 1988-11-30 | 1990-11-13 | Atochem North America, Inc. | Preparation of alkanesulfonamides |
US5166431A (en) * | 1988-11-30 | 1992-11-24 | Elf Atochem North America, Inc. | Preparation of alkanesulfonamides |
US5068427A (en) * | 1989-11-16 | 1991-11-26 | Atochem North America, Inc. | Process for the preparation of alkane- and arenesulfonamides |
IL101304A0 (en) * | 1991-03-21 | 1992-11-15 | Hoechst Ag | Process for the preparation of n-alkylsulfonamides |
IT1264813B1 (it) * | 1993-07-28 | 1996-10-10 | Oxon Italia Spa | Procedimento per la preparazione di alcansolfonammidi |
-
1995
- 1995-08-21 US US08/517,320 patent/US5599983A/en not_active Expired - Fee Related
-
1996
- 1996-08-06 DE DE69604878T patent/DE69604878T2/de not_active Expired - Fee Related
- 1996-08-06 EP EP96112675A patent/EP0761646B1/de not_active Expired - Lifetime
- 1996-08-20 JP JP8235772A patent/JPH09110825A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
JPH09110825A (ja) | 1997-04-28 |
US5599983A (en) | 1997-02-04 |
EP0761646A1 (de) | 1997-03-12 |
DE69604878D1 (de) | 1999-12-02 |
EP0761646B1 (de) | 1999-10-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |