DK384285D0 - PROCEDURE FOR DISTRIBUTING RACEMIC HALVESTERS - Google Patents

PROCEDURE FOR DISTRIBUTING RACEMIC HALVESTERS

Info

Publication number
DK384285D0
DK384285D0 DK384285A DK384285A DK384285D0 DK 384285 D0 DK384285 D0 DK 384285D0 DK 384285 A DK384285 A DK 384285A DK 384285 A DK384285 A DK 384285A DK 384285 D0 DK384285 D0 DK 384285D0
Authority
DK
Denmark
Prior art keywords
halvesters
racemic
distributing
procedure
racemic halvesters
Prior art date
Application number
DK384285A
Other languages
Danish (da)
Other versions
DK384285A (en
Inventor
Fritz Reiff
Hans Rudolf Mueller
Alfred Hedinger
Thomas Herold
Michael Casutt
Norbert Schweickert
Original Assignee
Merck Patent Gmbh
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
Priority claimed from DE19843431294 external-priority patent/DE3431294A1/en
Priority claimed from DE19853522145 external-priority patent/DE3522145A1/en
Application filed by Merck Patent Gmbh filed Critical Merck Patent Gmbh
Publication of DK384285D0 publication Critical patent/DK384285D0/en
Publication of DK384285A publication Critical patent/DK384285A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
    • C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
    • C07D491/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/04—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D233/28—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, 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
    • C07D233/30—Oxygen or sulfur atoms
    • C07D233/32—One oxygen atom
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D495/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
    • C07D495/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
    • C07D495/04—Ortho-condensed systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
DK384285A 1984-08-25 1985-08-23 PROCEDURE FOR DISTRIBUTING RACEMIC HALVESTERS DK384285A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843431294 DE3431294A1 (en) 1984-08-25 1984-08-25 Process for the separation of racemic hemiesters
DE19853522145 DE3522145A1 (en) 1985-06-21 1985-06-21 Process for the preparation of optically active lactones

Publications (2)

Publication Number Publication Date
DK384285D0 true DK384285D0 (en) 1985-08-23
DK384285A DK384285A (en) 1986-02-26

Family

ID=25824188

Family Applications (1)

Application Number Title Priority Date Filing Date
DK384285A DK384285A (en) 1984-08-25 1985-08-23 PROCEDURE FOR DISTRIBUTING RACEMIC HALVESTERS

Country Status (7)

Country Link
EP (1) EP0173185B1 (en)
JP (1) JPH0625137B2 (en)
KR (1) KR920007272B1 (en)
DE (1) DE3575717D1 (en)
DK (1) DK384285A (en)
ES (1) ES8701166A1 (en)
IE (1) IE58625B1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3541450A1 (en) * 1985-11-23 1987-05-27 Merck Patent Gmbh METHOD FOR PRODUCING ENANTIOMERS
CH670644A5 (en) * 1986-12-18 1989-06-30 Lonza Ag
CH671227A5 (en) * 1986-12-02 1989-08-15 Lonza Ag
US5162540A (en) * 1986-12-18 1992-11-10 Lonza Ltd. Process for the production of (+) biotin
FI95034C (en) * 1989-03-15 1995-12-11 Lonza Ag Process for the preparation of 1,3-substituted tetrahydro-1H-thieno / 3,4-d / imidazole-2 (3H) -one-4-ylidene pentanoic acid ester

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD111577A5 (en) * 1972-06-22 1975-02-20
DE3268046D1 (en) * 1981-12-07 1986-01-30 Hoffmann La Roche Process for the preparation of an optically active lactone, and starting products for the process
DE3150723A1 (en) * 1981-12-22 1983-06-30 Basf Ag, 6700 Ludwigshafen IMPROVED METHOD FOR PRODUCING 1,3-DISUBSTITUTED 4,5-CIS-DICARBOXY-2-IMIDAZOLIDONES
US4496739A (en) * 1982-01-27 1985-01-29 Sumitomo Chemical Company, Limited Intermediates to optically active cis-1,3-dibenzyl-hexahydro-1H-furo[3,4-d]imidazole-2,4-dione
EP0092194B1 (en) * 1982-04-16 1987-07-08 Sumitomo Chemical Company, Limited Method of obtaining optically active half esters
JPS5946282A (en) * 1982-09-09 1984-03-15 Sumitomo Chem Co Ltd Preparation of optically active lactone
JPS5984888A (en) * 1982-11-06 1984-05-16 Sumitomo Chem Co Ltd Preparation of optically active lactone

Also Published As

Publication number Publication date
JPH0625137B2 (en) 1994-04-06
JPS6157561A (en) 1986-03-24
EP0173185B1 (en) 1990-01-31
IE58625B1 (en) 1993-10-20
KR920007272B1 (en) 1992-08-29
DE3575717D1 (en) 1990-03-08
ES546386A0 (en) 1986-11-16
EP0173185A1 (en) 1986-03-05
DK384285A (en) 1986-02-26
ES8701166A1 (en) 1986-11-16
IE852086L (en) 1986-02-25
KR870002083A (en) 1987-03-30

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Legal Events

Date Code Title Description
ARF Application refused