FR2048922A5 - - Google Patents
Info
- Publication number
- FR2048922A5 FR2048922A5 FR7019529A FR7019529A FR2048922A5 FR 2048922 A5 FR2048922 A5 FR 2048922A5 FR 7019529 A FR7019529 A FR 7019529A FR 7019529 A FR7019529 A FR 7019529A FR 2048922 A5 FR2048922 A5 FR 2048922A5
- Authority
- FR
- France
- 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
- 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)
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 |
---|---|
FR2048922A5 true FR2048922A5 (fr) | 1971-03-19 |
Family
ID=4334771
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7019529A Expired FR2048922A5 (fr) | 1969-05-28 | 1970-05-28 |
Country Status (6)
Country | Link |
---|---|
US (1) | USRE28242E (fr) |
CH (1) | CH503722A (fr) |
DE (1) | DE2025570C3 (fr) |
FR (1) | FR2048922A5 (fr) |
GB (1) | GB1256847A (fr) |
NL (1) | NL7007741A (fr) |
Families Citing this family (10)
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 |
CH649996A5 (de) | 1981-06-17 | 1985-06-28 | Lonza Ag | Verfahren zur herstellung von tetronsaeure. |
ATE124396T1 (de) * | 1988-09-06 | 1995-07-15 | Lonza Ag | Verfahren zur herstellung von 5- alkyltetramsäuren. |
JP2844868B2 (ja) * | 1989-07-20 | 1999-01-13 | ロンザ リミテッド | テトロン酸アルキルエステルの製造方法 |
EP2039678A1 (fr) | 2007-09-18 | 2009-03-25 | Bayer CropScience AG | Procédé de fabrication de 4-aminobut-2-énoïque |
EP2042496A1 (fr) | 2007-09-18 | 2009-04-01 | Bayer CropScience AG | Procédé de fabrication de 4-aminobut-2-énoïque |
EP2230236A1 (fr) | 2009-03-16 | 2010-09-22 | Bayer CropScience AG | Nouveau procédé de fabrication de composés d'énaminocarbonyles |
EP2230237A1 (fr) | 2009-03-16 | 2010-09-22 | Bayer CropScience AG | Nouveau procédé de fabrication de liaisons d'énaminocarbonyles |
TW201111370A (en) | 2009-08-18 | 2011-04-01 | Bayer Cropscience Ag | Novel process for the preparation of 4-aminobut-2-enolides |
BR112012015708A2 (pt) | 2009-12-23 | 2015-09-15 | Bayer Ip Gmbh | novo processo para produção de 4-aminobut-2-enolidas a partir de 4-alcoxifuran-2 (5h) -ona ou 4-arilalcoxfuran-2 (5h) -ona |
-
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
Also Published As
Publication number | Publication date |
---|---|
DE2025570B2 (de) | 1979-07-05 |
DE2025570A1 (de) | 1970-12-03 |
GB1256847A (fr) | 1971-12-15 |
USRE28242E (en) | 1974-11-12 |
DE2025570C3 (de) | 1980-03-06 |
CH503722A (de) | 1971-02-28 |
NL7007741A (fr) | 1970-12-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |