DE69609636D1 - Verfahren zur de-esterifikation - Google Patents

Verfahren zur de-esterifikation

Info

Publication number
DE69609636D1
DE69609636D1 DE69609636T DE69609636T DE69609636D1 DE 69609636 D1 DE69609636 D1 DE 69609636D1 DE 69609636 T DE69609636 T DE 69609636T DE 69609636 T DE69609636 T DE 69609636T DE 69609636 D1 DE69609636 D1 DE 69609636D1
Authority
DE
Germany
Prior art keywords
esterification
Prior art date
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 - Lifetime
Application number
DE69609636T
Other languages
English (en)
Inventor
Vroom Eric De
Der Does Thomas Van
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke DSM NV
Original Assignee
DSM NV
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 DSM NV filed Critical DSM NV
Priority claimed from PCT/EP1996/004880 external-priority patent/WO1997017352A1/en
Application granted granted Critical
Publication of DE69609636D1 publication Critical patent/DE69609636D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D501/00—Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D499/00—Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cephalosporin Compounds (AREA)
DE69609636T 1995-11-06 1996-11-06 Verfahren zur de-esterifikation Expired - Lifetime DE69609636D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US727895P 1995-11-06 1995-11-06
EP95202992 1995-11-06
PCT/EP1996/004880 WO1997017352A1 (en) 1995-11-06 1996-11-06 De-esterification process

Publications (1)

Publication Number Publication Date
DE69609636D1 true DE69609636D1 (de) 2000-09-07

Family

ID=26139763

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69609636T Expired - Lifetime DE69609636D1 (de) 1995-11-06 1996-11-06 Verfahren zur de-esterifikation

Country Status (3)

Country Link
US (1) US5922861A (de)
DE (1) DE69609636D1 (de)
GR (1) GR990300012T1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU7567596A (en) * 1995-11-06 1997-05-29 Gist-Brocades B.V. De-esterification process
US6903211B2 (en) * 2002-10-30 2005-06-07 Orchid Chemicals & Pharmaceuticals Limited Process for the preparation of 3-propenyl cephalosporin DMF solvate

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52106891A (en) * 1976-03-03 1977-09-07 Shionogi & Co Ltd Removal of carboxyl protecting group
DE2725519A1 (de) * 1977-06-06 1978-12-21 Shionogi & Co Verfahren zur herstellung freier carbonsaeuren durch esterspaltung
IL72412A (en) * 1983-07-22 1988-05-31 Lilly Co Eli Deesterification of beta-lactam antibiotic esters

Also Published As

Publication number Publication date
GR990300012T1 (en) 1999-05-28
US5922861A (en) 1999-07-13

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Legal Events

Date Code Title Description
8332 No legal effect for de