RU95102320A - Способ очистки сырого n-винилпирролид-2-она - Google Patents
Способ очистки сырого n-винилпирролид-2-онаInfo
- Publication number
- RU95102320A RU95102320A RU95102320/04A RU95102320A RU95102320A RU 95102320 A RU95102320 A RU 95102320A RU 95102320/04 A RU95102320/04 A RU 95102320/04A RU 95102320 A RU95102320 A RU 95102320A RU 95102320 A RU95102320 A RU 95102320A
- Authority
- RU
- Russia
- Prior art keywords
- vinylpyrrolid
- purifying crude
- acid reagent
- crude
- carboxylic acid
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
- C07D207/22—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D207/24—Oxygen or sulfur atoms
- C07D207/26—2-Pyrrolidones
- C07D207/263—2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms
- C07D207/267—2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to the ring nitrogen atom
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F26/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen
- C08F26/06—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Pyrrole Compounds (AREA)
Abstract
Объектом изобретения является способ очистки сырого N-винилпирролид-2-она путем обработки последнего кислым реагентом, в качестве которого используют ангидрид органической карбоновой кислоты.
Claims (1)
- Объектом изобретения является способ очистки сырого N-винилпирролид-2-она путем обработки последнего кислым реагентом, в качестве которого используют ангидрид органической карбоновой кислоты.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4405199A DE4405199A1 (de) | 1994-02-18 | 1994-02-18 | Verfahren zum Binden von in Roh-N-Vinyl-pyrrolidon-(2) enthaltenen chemischen Verunreinigungen |
DEP4405199.9 | 1994-02-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
RU95102320A true RU95102320A (ru) | 1996-11-20 |
Family
ID=6510565
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU95102320/04A RU95102320A (ru) | 1994-02-18 | 1995-02-17 | Способ очистки сырого n-винилпирролид-2-она |
Country Status (6)
Country | Link |
---|---|
US (1) | US5461159A (ru) |
JP (1) | JPH07252221A (ru) |
CN (1) | CN1128258A (ru) |
BE (1) | BE1008990A3 (ru) |
DE (1) | DE4405199A1 (ru) |
RU (1) | RU95102320A (ru) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5665889A (en) * | 1996-01-22 | 1997-09-09 | Industrial Technology Research Institute | Method for the production of N-vinyl-2-pyrrolidone by vinylation |
DE19910504A1 (de) * | 1999-03-10 | 2000-09-14 | Basf Ag | Verfahren zur Reinigung von N-substituierten Lactamen |
DE10306948A1 (de) * | 2002-02-20 | 2003-08-28 | Nippon Catalytic Chem Ind | Verfahren zur Herstellung von desodorisiertem N-Vinyl-2-Pyrrolidon |
JP2004345994A (ja) * | 2003-05-21 | 2004-12-09 | Nippon Shokubai Co Ltd | N−ビニル−2−ピロリドンの精製方法 |
JP5033349B2 (ja) * | 2005-04-28 | 2012-09-26 | 株式会社日本触媒 | N−アルケニルカルボン酸3級アミド組成物 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2828307A (en) * | 1958-03-25 | Karl h | ||
SU582247A1 (ru) * | 1976-07-12 | 1977-11-30 | Всесоюзный научно-исследовательский институт технологии кровезаменителей и гормональных препаратов | Способ очистки -винилпирролидона |
US4837338A (en) * | 1986-06-16 | 1989-06-06 | Exxon Research And Engineering Company | Removal of impurities from n-methyl-pyrrolidone using highly pure water washed activated alumina |
DE3736603A1 (de) * | 1987-10-29 | 1989-05-11 | Basf Ag | Verfahren zur reindarstellung von n-vinylpyrrolid-2-on |
-
1994
- 1994-02-18 DE DE4405199A patent/DE4405199A1/de not_active Withdrawn
-
1995
- 1995-02-13 US US08/387,569 patent/US5461159A/en not_active Expired - Fee Related
- 1995-02-17 RU RU95102320/04A patent/RU95102320A/ru unknown
- 1995-02-17 JP JP7029543A patent/JPH07252221A/ja not_active Withdrawn
- 1995-02-17 CN CN95100400A patent/CN1128258A/zh active Pending
- 1995-02-17 BE BE9500133A patent/BE1008990A3/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE4405199A1 (de) | 1995-08-24 |
US5461159A (en) | 1995-10-24 |
BE1008990A3 (fr) | 1996-10-01 |
CN1128258A (zh) | 1996-08-07 |
JPH07252221A (ja) | 1995-10-03 |
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