JPS53141291A - Method of decoloring carboxylic acids - Google Patents

Method of decoloring carboxylic acids

Info

Publication number
JPS53141291A
JPS53141291A JP4831578A JP4831578A JPS53141291A JP S53141291 A JPS53141291 A JP S53141291A JP 4831578 A JP4831578 A JP 4831578A JP 4831578 A JP4831578 A JP 4831578A JP S53141291 A JPS53141291 A JP S53141291A
Authority
JP
Japan
Prior art keywords
decoloring
carboxylic acids
carboxylic
acids
decoloring carboxylic
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.)
Pending
Application number
JP4831578A
Other languages
English (en)
Inventor
Jii Jiyatsukuson Birii
Ii Matsukufuaason Rojiyaa
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.)
Eli Lilly and Co
Original Assignee
Eli Lilly and Co
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 Eli Lilly and Co filed Critical Eli Lilly and Co
Publication of JPS53141291A publication Critical patent/JPS53141291A/ja
Pending 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)
JP4831578A 1977-05-10 1978-04-21 Method of decoloring carboxylic acids Pending JPS53141291A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/795,464 US4115645A (en) 1977-05-10 1977-05-10 Decolorizing process for 7-amino-3-(((2-methyl-1,3,4-thiadiazol-5-yl)thio)methyl)-3-cephem-4-carboxylic acid

Publications (1)

Publication Number Publication Date
JPS53141291A true JPS53141291A (en) 1978-12-08

Family

ID=25165569

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4831578A Pending JPS53141291A (en) 1977-05-10 1978-04-21 Method of decoloring carboxylic acids

Country Status (5)

Country Link
US (1) US4115645A (ja)
JP (1) JPS53141291A (ja)
ES (1) ES469528A1 (ja)
GB (1) GB1598007A (ja)
IE (1) IE46635B1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004538265A (ja) 2001-04-19 2004-12-24 ビオフェルマ ムルシア，エス．アー． α−ケト酸誘導体を使用して３−セファロスポラン酸誘導体を製造する方法
US20030135041A1 (en) * 2002-01-04 2003-07-17 Orchid Chemicals & Pharmaceuticals Limited, India Synthesis of ceftiofur intermediate

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1012943A (en) * 1961-05-16 1965-12-15 Glaxo Lab Ltd Improvements in or relating to antibiotics
CH527215A (de) * 1967-04-15 1972-08-31 Fujisawa Pharmaceutical Co Verfahren zur Herstellung von 3,7-disubstituierten Cephalosporinderivaten
NL7317644A (ja) * 1972-12-26 1974-06-28
US3979383A (en) * 1975-03-07 1976-09-07 Eli Lilly And Company Purification process for 7-aminocephalosporins

Also Published As

Publication number Publication date
ES469528A1 (es) 1979-09-16
IE780924L (en) 1978-11-10
US4115645A (en) 1978-09-19
GB1598007A (en) 1981-09-16
IE46635B1 (en) 1983-08-10

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