DK17786D0 - Fremgangsmaade til fremstilling af thiotetronsyre - Google Patents
Fremgangsmaade til fremstilling af thiotetronsyreInfo
- Publication number
- DK17786D0 DK17786D0 DK17786A DK17786A DK17786D0 DK 17786 D0 DK17786 D0 DK 17786D0 DK 17786 A DK17786 A DK 17786A DK 17786 A DK17786 A DK 17786A DK 17786 D0 DK17786 D0 DK 17786D0
- Authority
- DK
- Denmark
- Prior art keywords
- preparation
- procedure
- thiotetronic acid
- acid
- thiotetronic
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/26—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom 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
- C07D333/30—Hetero atoms other than halogen
- C07D333/32—Oxygen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Cephalosporin Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Heterocyclic Compounds Containing Sulfur Atoms (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH193/85A CH666483A5 (de) | 1985-01-16 | 1985-01-16 | Verfahren zur herstellung von thiotetronsaeure. |
CH19385 | 1985-01-16 |
Publications (4)
Publication Number | Publication Date |
---|---|
DK17786D0 true DK17786D0 (da) | 1986-01-15 |
DK17786A DK17786A (da) | 1986-07-17 |
DK162095B DK162095B (da) | 1991-09-16 |
DK162095C DK162095C (da) | 1992-02-24 |
Family
ID=4181371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK017786A DK162095C (da) | 1985-01-16 | 1986-01-15 | Fremgangsmaade til fremstilling af thiotetronsyre |
Country Status (9)
Country | Link |
---|---|
US (2) | US4997957A (da) |
EP (1) | EP0189097B1 (da) |
JP (1) | JPH0641463B2 (da) |
AT (1) | ATE34747T1 (da) |
CA (1) | CA1266275A (da) |
CH (1) | CH666483A5 (da) |
DE (1) | DE3660257D1 (da) |
DK (1) | DK162095C (da) |
IE (1) | IE58793B1 (da) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH666483A5 (de) * | 1985-01-16 | 1988-07-29 | Lonza Ag | Verfahren zur herstellung von thiotetronsaeure. |
CH667655A5 (de) * | 1986-09-24 | 1988-10-31 | Lonza Ag | Verfahren zur herstellung von 4-alkoxy-2(5h)-thiophenonen. |
GB9325849D0 (en) * | 1993-12-17 | 1994-02-23 | Akcros Chem | Stabilised vinyl chloride polymer composition |
US7699108B2 (en) * | 2006-11-13 | 2010-04-20 | Baker Hughes Incorporated | Distortion compensation for rod piston bore in subsurface safety valves |
CN104781298B (zh) | 2012-10-05 | 2019-04-19 | 陶氏环球技术有限公司 | 用于制造聚合物多元醇的大分子单体和方法 |
US20220089814A1 (en) | 2019-02-07 | 2022-03-24 | Dow Global Technologies Llc | Process for preparing a copolymer polyol |
CN113454135B (zh) | 2019-02-07 | 2023-12-15 | 陶氏环球技术有限责任公司 | 单体回收过程 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2784191A (en) * | 1957-03-05 | Process for the production of lactams | ||
US2453103A (en) * | 1944-02-25 | 1948-11-02 | Du Pont | Decarboxylation of 3,4-dihydroxy-2,5-dicarboxythiophene |
US2535010A (en) * | 1948-10-02 | 1950-12-19 | Rohm & Haas | Transetherification of beta-ethersubstituted esters |
DE850007C (de) * | 1950-12-22 | 1952-09-22 | Basf Ag | Verfahren zur Herstellung von N-Aryl-ª‡-pyrrolidonen |
GB840658A (en) * | 1955-09-20 | 1960-07-06 | Goodrich Co B F | Improvements in the manufacture of thiolactones |
CH492668A (de) * | 1968-07-04 | 1970-06-30 | Lonza Ag | Verfahren zur Herstellung von Acetessigsäuren |
DE2065551C3 (de) * | 1969-05-29 | 1980-07-03 | Firmenich S.A., Genf (Schweiz) | Verfahren zur Herstellung von Lactonen mit 14 bis 17 Ringkohlenstoffatomen |
CH557813A (de) * | 1970-05-27 | 1975-01-15 | Firmenich & Cie | Verfahren zur herstellung von lactonen. |
DE2065461A1 (de) * | 1969-07-22 | 1973-08-30 | Firmenich & Cie | Carbinole und verfahren zu deren herstellung |
CH539611A (de) * | 1970-10-30 | 1973-07-31 | Hoffmann La Roche | Verfahren zur Gewinnung von Dopa |
CH539631A (fr) * | 1971-03-26 | 1973-07-31 | Firmenich & Cie | Procédé pour la préparation de dérivés hétérocycliques |
CH557644A (fr) * | 1972-03-24 | 1975-01-15 | Firmenich & Cie | Utilisation de derives heterocycliques comme ingredients aromatisants. |
IT1045043B (it) * | 1975-08-13 | 1980-04-21 | Isf Spa | Derivati pirrolidinici |
IT1075564B (it) * | 1977-02-11 | 1985-04-22 | Isf Spa | Procedimento per la preparazione di derivati pirrolidinici |
IT1075280B (it) * | 1977-02-11 | 1985-04-22 | Isf Spa | Procedimento per la preparazione di derivati pirrolidinici |
CH642611A5 (de) * | 1979-11-01 | 1984-04-30 | Lonza Ag | Verfahren zur herstellung von gamma-chloracetessigsaeurechlorid. |
US4398033A (en) * | 1981-03-17 | 1983-08-09 | Ciba-Geigy Corporation | 4-Chloro-4-chloromethyloxetan-2-one and a process for its production |
CH666483A5 (de) * | 1985-01-16 | 1988-07-29 | Lonza Ag | Verfahren zur herstellung von thiotetronsaeure. |
FI83510C (fi) * | 1985-02-22 | 1991-07-25 | Ciba Geigy Ag | Foerfarande foer framstaellning av nya, terapeutiskt anvaendbara bi-2h- pyrroli(di)ndioner. |
-
1985
- 1985-01-16 CH CH193/85A patent/CH666483A5/de not_active IP Right Cessation
- 1985-12-17 IE IE320085A patent/IE58793B1/en not_active IP Right Cessation
-
1986
- 1986-01-09 JP JP61002838A patent/JPH0641463B2/ja not_active Expired - Lifetime
- 1986-01-14 EP EP86100425A patent/EP0189097B1/de not_active Expired
- 1986-01-14 DE DE8686100425T patent/DE3660257D1/de not_active Expired
- 1986-01-14 AT AT86100425T patent/ATE34747T1/de not_active IP Right Cessation
- 1986-01-15 CA CA000499620A patent/CA1266275A/en not_active Expired - Fee Related
- 1986-01-15 DK DK017786A patent/DK162095C/da not_active IP Right Cessation
-
1987
- 1987-07-23 US US07/076,855 patent/US4997957A/en not_active Expired - Fee Related
-
1990
- 1990-09-11 US US07/580,586 patent/US5093503A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4997957A (en) | 1991-03-05 |
DK17786A (da) | 1986-07-17 |
IE58793B1 (en) | 1993-11-17 |
IE853200L (en) | 1986-07-16 |
ATE34747T1 (de) | 1988-06-15 |
DE3660257D1 (en) | 1988-07-07 |
EP0189097A1 (de) | 1986-07-30 |
CA1266275A (en) | 1990-02-27 |
CH666483A5 (de) | 1988-07-29 |
DK162095B (da) | 1991-09-16 |
EP0189097B1 (de) | 1988-06-01 |
DK162095C (da) | 1992-02-24 |
JPH0641463B2 (ja) | 1994-06-01 |
JPS6236374A (ja) | 1987-02-17 |
US5093503A (en) | 1992-03-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |