CH503722A - Verfahren zur Herstellung von Tetronsäure - Google Patents
Verfahren zur Herstellung von TetronsäureInfo
- Publication number
- CH503722A CH503722A CH807669A CH807669A CH503722A CH 503722 A CH503722 A CH 503722A CH 807669 A CH807669 A CH 807669A CH 807669 A CH807669 A CH 807669A CH 503722 A CH503722 A CH 503722A
- Authority
- CH
- Switzerland
- Prior art keywords
- production
- tetronic acid
- tetronic
- acid
- Prior art date
Links
- PGRHXDWITVMQBC-UHFFFAOYSA-N dehydroacetic acid Natural products CC(=O)C1C(=O)OC(C)=CC1=O PGRHXDWITVMQBC-UHFFFAOYSA-N 0.000 title 1
- PEQJBOMPGWYIRO-UHFFFAOYSA-N n-ethyl-3,4-dimethoxyaniline Chemical compound CCNC1=CC=C(OC)C(OC)=C1 PEQJBOMPGWYIRO-UHFFFAOYSA-N 0.000 title 1
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
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members 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
- C07D307/60—Two oxygen atoms, e.g. succinic anhydride
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH807669A CH503722A (de) | 1969-05-28 | 1969-05-28 | Verfahren zur Herstellung von Tetronsäure |
DE2025570A DE2025570C3 (de) | 1969-05-28 | 1970-05-26 | Verfahren zur Herstellung von Tetronsäure |
GB1256847D GB1256847A (sl) | 1969-05-28 | 1970-05-27 | |
NL7007741A NL7007741A (sl) | 1969-05-28 | 1970-05-28 | |
FR7019529A FR2048922A5 (sl) | 1969-05-28 | 1970-05-28 | |
US44102874 USRE28242E (en) | 1969-05-28 | 1974-02-07 | Method for manufacturing tetronic acid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH807669A CH503722A (de) | 1969-05-28 | 1969-05-28 | Verfahren zur Herstellung von Tetronsäure |
Publications (1)
Publication Number | Publication Date |
---|---|
CH503722A true CH503722A (de) | 1971-02-28 |
Family
ID=4334771
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH807669A CH503722A (de) | 1969-05-28 | 1969-05-28 | Verfahren zur Herstellung von Tetronsäure |
Country Status (6)
Country | Link |
---|---|
US (1) | USRE28242E (sl) |
CH (1) | CH503722A (sl) |
DE (1) | DE2025570C3 (sl) |
FR (1) | FR2048922A5 (sl) |
GB (1) | GB1256847A (sl) |
NL (1) | NL7007741A (sl) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4414400A (en) | 1981-06-17 | 1983-11-08 | Lonza Ltd. | Process for the production of tetronic acid |
US5008402A (en) * | 1988-09-06 | 1991-04-16 | Lonza Ltd. | Process for production of 5-alkyl tetramic acids |
EP2230237A1 (de) | 2009-03-16 | 2010-09-22 | Bayer CropScience AG | Neues Verfahren zur Herstellung von Enaminocarbonyl-Verbindungen |
EP2230236A1 (de) | 2009-03-16 | 2010-09-22 | Bayer CropScience AG | Neues Verfahren zur Herstellung von Enaminocarbonyl-Verbindungen |
EP2253610A1 (de) | 2007-09-18 | 2010-11-24 | Bayer CropScience AG | Verfahren zum Herstellen von 4-Aminobut-2-enoliden |
WO2011020564A1 (de) | 2009-08-18 | 2011-02-24 | Bayer Cropscience Ag | Neues verfahren zur herstellung von 4-aminobut-2-enoliden |
US8273904B2 (en) | 2007-09-18 | 2012-09-25 | Bayer Cropscience Ag | Method for preparing 4-aminobut-2-enolides |
US8344151B2 (en) | 2009-12-23 | 2013-01-01 | Bayer Cropscience Ag | Process for the preparation of 4-aminobut-2-enolides starting from 4-alkoxyfuran-2(5H)-one or 4-arylalkoxyfuran-2(5H)-one |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4310463A (en) | 1979-02-22 | 1982-01-12 | Chevron Research | 3-(N-Arylamino)-gamma-butyrolactones, butyrolactams and thiobutyrolactones are intermediates for compounds having fungicidal activity |
DE59006113D1 (de) * | 1989-07-20 | 1994-07-21 | Lonza Ag | Verfahren zur Herstellung von Tetronsäurealkylestern. |
-
1969
- 1969-05-28 CH CH807669A patent/CH503722A/de not_active IP Right Cessation
-
1970
- 1970-05-26 DE DE2025570A patent/DE2025570C3/de not_active Expired
- 1970-05-27 GB GB1256847D patent/GB1256847A/en not_active Expired
- 1970-05-28 NL NL7007741A patent/NL7007741A/xx not_active Application Discontinuation
- 1970-05-28 FR FR7019529A patent/FR2048922A5/fr not_active Expired
-
1974
- 1974-02-07 US US44102874 patent/USRE28242E/en not_active Expired
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4414400A (en) | 1981-06-17 | 1983-11-08 | Lonza Ltd. | Process for the production of tetronic acid |
US5008402A (en) * | 1988-09-06 | 1991-04-16 | Lonza Ltd. | Process for production of 5-alkyl tetramic acids |
EP2253610A1 (de) | 2007-09-18 | 2010-11-24 | Bayer CropScience AG | Verfahren zum Herstellen von 4-Aminobut-2-enoliden |
US9550745B2 (en) | 2007-09-18 | 2017-01-24 | Bayer Cropscience Ag | Method for preparing 4-aminobut-2-enolides |
US8487112B2 (en) | 2007-09-18 | 2013-07-16 | Bayer Cropscience Ag | Method for producing 4-aminobut-2-enolides |
US8273904B2 (en) | 2007-09-18 | 2012-09-25 | Bayer Cropscience Ag | Method for preparing 4-aminobut-2-enolides |
EP2230236A1 (de) | 2009-03-16 | 2010-09-22 | Bayer CropScience AG | Neues Verfahren zur Herstellung von Enaminocarbonyl-Verbindungen |
WO2010105779A1 (de) | 2009-03-16 | 2010-09-23 | Bayer Cropscience Ag | Neues verfahren zur herstellung von enaminocarbonyl-verbindungen |
WO2010105772A1 (de) | 2009-03-16 | 2010-09-23 | Bayer Cropscience Ag | Neues verfahren zur herstellung von enaminocarbonyl-verbindungen |
US8680286B2 (en) | 2009-03-16 | 2014-03-25 | Bayer Cropscience Ag | Method for producing enaminocarbonyl compounds |
US8680285B2 (en) | 2009-03-16 | 2014-03-25 | Bayer Cropscience Ag | Method for producing enaminocarbonyl compounds |
EP2230237A1 (de) | 2009-03-16 | 2010-09-22 | Bayer CropScience AG | Neues Verfahren zur Herstellung von Enaminocarbonyl-Verbindungen |
WO2011020564A1 (de) | 2009-08-18 | 2011-02-24 | Bayer Cropscience Ag | Neues verfahren zur herstellung von 4-aminobut-2-enoliden |
US8344151B2 (en) | 2009-12-23 | 2013-01-01 | Bayer Cropscience Ag | Process for the preparation of 4-aminobut-2-enolides starting from 4-alkoxyfuran-2(5H)-one or 4-arylalkoxyfuran-2(5H)-one |
Also Published As
Publication number | Publication date |
---|---|
DE2025570A1 (de) | 1970-12-03 |
FR2048922A5 (sl) | 1971-03-19 |
GB1256847A (sl) | 1971-12-15 |
NL7007741A (sl) | 1970-12-01 |
DE2025570B2 (de) | 1979-07-05 |
USRE28242E (en) | 1974-11-12 |
DE2025570C3 (de) | 1980-03-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |