GB1232656A - - Google Patents

Info

Publication number
GB1232656A
GB1232656A GB1232656DA GB1232656A GB 1232656 A GB1232656 A GB 1232656A GB 1232656D A GB1232656D A GB 1232656DA GB 1232656 A GB1232656 A GB 1232656A
Authority
GB
United Kingdom
Prior art keywords
cephalosporin
purified
ultra
derive
fractional
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
Application number
Other languages
English (en)
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 filed Critical
Publication of GB1232656A publication Critical patent/GB1232656A/en
Expired 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
    • C07D501/02—Preparation
    • C07D501/12—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cephalosporin Compounds (AREA)
GB1232656D 1967-05-23 1968-05-23 Expired GB1232656A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US64046967A 1967-05-23 1967-05-23

Publications (1)

Publication Number Publication Date
GB1232656A true GB1232656A (es) 1971-05-19

Family

ID=24568390

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1232656D Expired GB1232656A (es) 1967-05-23 1968-05-23

Country Status (1)

Country Link
GB (1) GB1232656A (es)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997034902A1 (es) * 1996-03-15 1997-09-25 Antibioticos, S.A. Procedimiento para purificar 7-sustituido-amino-desacetoxi-cefalosporinas mediante el empleo de membranas de filtracion
ES2105989A1 (es) * 1996-03-15 1997-10-16 Antibioticos Sa Procedimiento alternativo para la obtencion del acido 6-amino penicilanico (6-apa).

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997034902A1 (es) * 1996-03-15 1997-09-25 Antibioticos, S.A. Procedimiento para purificar 7-sustituido-amino-desacetoxi-cefalosporinas mediante el empleo de membranas de filtracion
ES2105989A1 (es) * 1996-03-15 1997-10-16 Antibioticos Sa Procedimiento alternativo para la obtencion del acido 6-amino penicilanico (6-apa).
US6100393A (en) * 1996-03-15 2000-08-08 Antibioticos, S.A. Process for purifying 7-substituted aminodeacetoxy-cephalosporins through the use of filtration membranes

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Legal Events

Date Code Title Description
414F Notice of opposition given (sect. 14/1949)
414A Case decided by the comptroller ** specification amended (sect. 14/1949)
SPA Amended specification published
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees