DK162095C - Fremgangsmaade til fremstilling af thiotetronsyre - Google Patents

Fremgangsmaade til fremstilling af thiotetronsyre

Info

Publication number
DK162095C
DK162095C DK017786A DK17786A DK162095C DK 162095 C DK162095 C DK 162095C DK 017786 A DK017786 A DK 017786A DK 17786 A DK17786 A DK 17786A DK 162095 C DK162095 C DK 162095C
Authority
DK
Denmark
Prior art keywords
preparation
procedure
thiotetronic acid
acid
thiotetronic
Prior art date
Application number
DK017786A
Other languages
English (en)
Other versions
DK17786D0 (da
DK17786A (da
DK162095B (da
Inventor
Thomas Meul
Leander Tenud
Original Assignee
Lonza Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lonza Ag filed Critical Lonza Ag
Publication of DK17786D0 publication Critical patent/DK17786D0/da
Publication of DK17786A publication Critical patent/DK17786A/da
Publication of DK162095B publication Critical patent/DK162095B/da
Application granted granted Critical
Publication of DK162095C publication Critical patent/DK162095C/da

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)
DK017786A 1985-01-16 1986-01-15 Fremgangsmaade til fremstilling af thiotetronsyre DK162095C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH19385 1985-01-16
CH193/85A CH666483A5 (de) 1985-01-16 1985-01-16 Verfahren zur herstellung von thiotetronsaeure.

Publications (4)

Publication Number Publication Date
DK17786D0 DK17786D0 (da) 1986-01-15
DK17786A DK17786A (da) 1986-07-17
DK162095B DK162095B (da) 1991-09-16
DK162095C true 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)

* Cited by examiner, † Cited by third party
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
KR102165007B1 (ko) 2012-10-05 2020-10-14 다우 글로벌 테크놀로지스 엘엘씨 중합체 폴리올을 제조하기 위한 거대단량체 및 방법
CN113439096A (zh) 2019-02-07 2021-09-24 陶氏环球技术有限责任公司 用于制备共聚物多元醇的方法
EP3921351A1 (en) 2019-02-07 2021-12-15 Dow Global Technologies LLC Monomer recovery process

Family Cites Families (19)

* Cited by examiner, † Cited by third party
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
DE2065550C2 (de) * 1969-05-29 1982-05-06 Firmenich S.A., 1211 Genève Verfahren zur Herstellung von bicyclischen Äthern und 13-Oxa-Bicyclo[10.4.0]Hexadecen[1(12)]
DE2035901A1 (de) * 1969-07-22 1971-05-13 Firmenich & Cie , Genf (Schweiz) Verfahren zur Herstellung eines Acyclischen Ketons
CH545285A (de) * 1970-05-27 1974-01-31 Firmenich & Cie Verfahren zur Herstellung von bicyclischen Äthern
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.

Also Published As

Publication number Publication date
US4997957A (en) 1991-03-05
EP0189097B1 (de) 1988-06-01
EP0189097A1 (de) 1986-07-30
US5093503A (en) 1992-03-03
CA1266275A (en) 1990-02-27
IE58793B1 (en) 1993-11-17
ATE34747T1 (de) 1988-06-15
DK17786D0 (da) 1986-01-15
CH666483A5 (de) 1988-07-29
DK17786A (da) 1986-07-17
DE3660257D1 (en) 1988-07-07
IE853200L (en) 1986-07-16
DK162095B (da) 1991-09-16
JPH0641463B2 (ja) 1994-06-01
JPS6236374A (ja) 1987-02-17

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Legal Events

Date Code Title Description
PBP Patent lapsed