GB1345729A - Recovery and purification of antibiotics - Google Patents

Recovery and purification of antibiotics

Info

Publication number
GB1345729A
GB1345729A GB3025671A GB3025671A GB1345729A GB 1345729 A GB1345729 A GB 1345729A GB 3025671 A GB3025671 A GB 3025671A GB 3025671 A GB3025671 A GB 3025671A GB 1345729 A GB1345729 A GB 1345729A
Authority
GB
United Kingdom
Prior art keywords
solution
fractions
ionic
water
aqueous
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
GB3025671A
Other languages
English (en)
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.)
Merck and Co Inc
Original Assignee
Merck and Co Inc
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 Merck and Co Inc filed Critical Merck and Co Inc
Publication of GB1345729A publication Critical patent/GB1345729A/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
    • C07D501/14—Compounds having a nitrogen atom directly attached in position 7
    • C07D501/16—Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 2 and 3
    • C07D501/20—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids
    • C07D501/57—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with a further substituent in position 7, e.g. cephamycines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cephalosporin Compounds (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
GB3025671A 1970-06-30 1971-06-28 Recovery and purification of antibiotics Expired GB1345729A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5132070A 1970-06-30 1970-06-30

Publications (1)

Publication Number Publication Date
GB1345729A true GB1345729A (en) 1974-02-06

Family

ID=21970579

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3025671A Expired GB1345729A (en) 1970-06-30 1971-06-28 Recovery and purification of antibiotics

Country Status (7)

Country Link
US (1) US3718644A (enExample)
JP (1) JPS5336038B1 (enExample)
CH (1) CH561219A5 (enExample)
DE (1) DE2132357A1 (enExample)
FR (1) FR2104768B1 (enExample)
GB (1) GB1345729A (enExample)
NL (1) NL7108346A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3867379A (en) * 1971-02-25 1975-02-18 Squibb & Sons Inc 7-substituted cephalosporanic acid and derivatives thereof
US3887549A (en) * 1971-11-19 1975-06-03 Merck & Co Inc Process for preparing 7-acylamido-7-methoxy-3-cephem-4-carboxylic acid, esters and salts
US3852277A (en) * 1972-08-02 1974-12-03 Merck & Co Inc 3-{8 ({60 -methoxy-4-substituted cinnamoyl)oxymethyl{9 -7-acylamidoceph-3-em-4-carboxylic acids
JPS5611440B2 (enExample) * 1973-09-18 1981-03-14
US4103083A (en) * 1975-02-27 1978-07-25 Meiji Seika Kaisha, Ltd. Novel antibiotics derivatives and process for preparing the same

Also Published As

Publication number Publication date
FR2104768A1 (enExample) 1972-04-21
NL7108346A (enExample) 1972-01-03
JPS5336038B1 (enExample) 1978-09-30
DE2132357A1 (de) 1972-01-05
CH561219A5 (enExample) 1975-04-30
US3718644A (en) 1973-02-27
FR2104768B1 (enExample) 1975-04-18

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]