CA1006506A - Process for preparing a cephalosporin - Google Patents

Process for preparing a cephalosporin

Info

Publication number
CA1006506A
CA1006506A CA169,497A CA169497A CA1006506A CA 1006506 A CA1006506 A CA 1006506A CA 169497 A CA169497 A CA 169497A CA 1006506 A CA1006506 A CA 1006506A
Authority
CA
Canada
Prior art keywords
cephalosporin
preparing
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
CA169,497A
Other versions
CA169497S (en
Inventor
Harold B. Hayes
Ronald G. Abel
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
Application granted granted Critical
Publication of CA1006506A publication Critical patent/CA1006506A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D501/00Heterocyclic 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
    • C07D501/14Compounds having a nitrogen atom directly attached in position 7
    • C07D501/16Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 2 and 3
    • C07D501/187-Aminocephalosporanic or substituted 7-aminocephalosporanic acids
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D499/00Heterocyclic 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
    • C07D499/21Heterocyclic 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 with a nitrogen atom directly attached in position 6 and a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cephalosporin Compounds (AREA)
CA169,497A 1972-05-01 1973-04-25 Process for preparing a cephalosporin Expired CA1006506A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00249294A US3840532A (en) 1972-05-01 1972-05-01 Process for cleaving cephalosporin compounds

Publications (1)

Publication Number Publication Date
CA1006506A true CA1006506A (en) 1977-03-08

Family

ID=22942854

Family Applications (1)

Application Number Title Priority Date Filing Date
CA169,497A Expired CA1006506A (en) 1972-05-01 1973-04-25 Process for preparing a cephalosporin

Country Status (4)

Country Link
US (1) US3840532A (en)
AR (1) AR206778A1 (en)
CA (1) CA1006506A (en)
PH (1) PH9900A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5159890A (en) * 1974-11-15 1976-05-25 Sankyo Co 77 arukokishisefuarosuhorinjudotaino seizoho
US4252973A (en) * 1979-07-06 1981-02-24 E. R. Squibb & Sons, Inc. Process for chemically removing the acyl sidechain from cephalosporins and penicillins
US6518420B2 (en) * 1997-06-04 2003-02-11 Biochemie Gesellschaft M.B.H. Precipitation process of 7-aminocephalosporanic acid (7-ACA)

Also Published As

Publication number Publication date
PH9900A (en) 1976-06-08
AR206778A1 (en) 1976-08-23
US3840532A (en) 1974-10-08

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