DK0994112T3 - Fremgangsmåde til fraskillelse af forureninger fra 3-(2'-acetoxyethyl)-dihydro-2(3H)furanon - Google Patents
Fremgangsmåde til fraskillelse af forureninger fra 3-(2'-acetoxyethyl)-dihydro-2(3H)furanonInfo
- Publication number
- DK0994112T3 DK0994112T3 DK99117240T DK99117240T DK0994112T3 DK 0994112 T3 DK0994112 T3 DK 0994112T3 DK 99117240 T DK99117240 T DK 99117240T DK 99117240 T DK99117240 T DK 99117240T DK 0994112 T3 DK0994112 T3 DK 0994112T3
- Authority
- DK
- Denmark
- Prior art keywords
- dihydro
- furanone
- acetoxyethyl
- separating contaminants
- impurities
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/26—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D307/30—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings 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
- C07D307/32—Oxygen atoms
- C07D307/33—Oxygen atoms in position 2, the oxygen atom being in its keto or unsubstituted enol form
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S203/00—Distillation: processes, separatory
- Y10S203/20—Power plant
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Furan Compounds (AREA)
- Saccharide Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19841520 | 1998-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK0994112T3 true DK0994112T3 (da) | 2002-09-02 |
Family
ID=7880573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK99117240T DK0994112T3 (da) | 1998-09-10 | 1999-09-02 | Fremgangsmåde til fraskillelse af forureninger fra 3-(2'-acetoxyethyl)-dihydro-2(3H)furanon |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6488818B1 (da) |
| EP (1) | EP0994112B1 (da) |
| JP (1) | JP2000154183A (da) |
| AT (1) | ATE221060T1 (da) |
| DE (1) | DE59902100D1 (da) |
| DK (1) | DK0994112T3 (da) |
| ES (1) | ES2181347T3 (da) |
| PT (1) | PT994112E (da) |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5283326A (en) | 1985-05-14 | 1994-02-01 | Sandoz Ag | Dyes containing thiophene radicals |
| DE3617177A1 (de) * | 1986-05-22 | 1987-11-26 | Basf Ag | Verfahren zur herstellung von (alpha)-substituierten (gamma)-butyrolactonen |
| JPH0710808B2 (ja) * | 1988-01-18 | 1995-02-08 | 宇部興産株式会社 | ｏ−フタル酸ジエステル二量化反応生成物の分離回収方法 |
| EP0505146A1 (en) * | 1991-03-19 | 1992-09-23 | General Electric Company | Process for purifying phenol |
| DE4141221A1 (de) * | 1991-12-13 | 1993-06-17 | Basf Ag | Verfahren zur reinigung von tetrahydropyran-4-carbonsaeureestern |
| DE4228669A1 (de) * | 1992-08-28 | 1994-03-03 | Basf Ag | Verfahren zur Herstellung von Tetrahydropyran-4-carbonsäure und ihren Estern |
| DE4228668A1 (de) * | 1992-08-28 | 1994-03-03 | Basf Ag | Verfahren zur Herstellung von 3-(2'-Acyloxyethyl)-dihydro-2(3H)-furanonen |
| FR2695386B1 (fr) * | 1992-09-10 | 1994-10-14 | Atochem Elf Sa | Procédé de séparation de fluorure d'hydrogène de ses mélanges avec le 1,1,1-trifluoro-2-chloroéthane. |
| DE4231297A1 (de) * | 1992-09-18 | 1994-03-24 | Basf Ag | Verfahren zur Herstellung von 3-(2'-Oxyethyl)-dihydro-2-(3H)furanonen |
| JPH06135874A (ja) * | 1992-10-30 | 1994-05-17 | Chiyoda Corp | フェノールとアセトンとの反応生成物の処理方法 |
| DE19608443C1 (de) * | 1996-03-05 | 1997-07-24 | Bayer Ag | Verfahren zur Aufarbeitung von Amingemischen bei der Diaminotoluol-Herstellung unter Abtrennung der Schwersieder |
| JP3744097B2 (ja) * | 1997-01-29 | 2006-02-08 | 三菱化学株式会社 | １，４−ブタンジオールの製造方法 |
| KR20010032838A (ko) * | 1997-12-08 | 2001-04-25 | 스타르크, 카르크 | 3-(2'-아세톡시에틸)디히드로-2(3ｈ)-푸라논의 불순물제거방법 |
-
1999
- 1999-09-02 DK DK99117240T patent/DK0994112T3/da active
- 1999-09-02 DE DE59902100T patent/DE59902100D1/de not_active Expired - Lifetime
- 1999-09-02 PT PT99117240T patent/PT994112E/pt unknown
- 1999-09-02 AT AT99117240T patent/ATE221060T1/de not_active IP Right Cessation
- 1999-09-02 EP EP99117240A patent/EP0994112B1/de not_active Expired - Lifetime
- 1999-09-02 ES ES99117240T patent/ES2181347T3/es not_active Expired - Lifetime
- 1999-09-08 US US09/391,338 patent/US6488818B1/en not_active Expired - Lifetime
- 1999-09-10 JP JP11297248A patent/JP2000154183A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP0994112B1 (de) | 2002-07-24 |
| DE59902100D1 (de) | 2002-08-29 |
| US6488818B1 (en) | 2002-12-03 |
| EP0994112A1 (de) | 2000-04-19 |
| ATE221060T1 (de) | 2002-08-15 |
| ES2181347T3 (es) | 2003-02-16 |
| PT994112E (pt) | 2002-12-31 |
| JP2000154183A (ja) | 2000-06-06 |
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