CA1018968A - Method for preparing 7-substituted cephalosporins by replacement of o- or s-containing groups - Google Patents

Method for preparing 7-substituted cephalosporins by replacement of o- or s-containing groups

Info

Publication number
CA1018968A
CA1018968A CA186,287A CA186287A CA1018968A CA 1018968 A CA1018968 A CA 1018968A CA 186287 A CA186287 A CA 186287A CA 1018968 A CA1018968 A CA 1018968A
Authority
CA
Canada
Prior art keywords
replacement
preparing
containing groups
substituted cephalosporins
cephalosporins
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
CA186,287A
Other versions
CA186287S (en
Inventor
Joseph E. Dolfini
William A. Slusarchyk
William H. Koster
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.)
ER Squibb and Sons LLC
Original Assignee
ER Squibb and Sons LLC
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
Priority claimed from US394944A external-priority patent/US3910902A/en
Application filed by ER Squibb and Sons LLC filed Critical ER Squibb and Sons LLC
Application granted granted Critical
Publication of CA1018968A publication Critical patent/CA1018968A/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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
CA186,287A 1972-12-06 1973-11-20 Method for preparing 7-substituted cephalosporins by replacement of o- or s-containing groups Expired CA1018968A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US31243672A 1972-12-06 1972-12-06
US31247172A 1972-12-06 1972-12-06
US39494373A 1973-09-06 1973-09-06
US394944A US3910902A (en) 1972-12-06 1973-09-06 Method for preparing 7-substituted cephalosporins by replacement of oxygen containing groups

Publications (1)

Publication Number Publication Date
CA1018968A true CA1018968A (en) 1977-10-11

Family

ID=27502033

Family Applications (1)

Application Number Title Priority Date Filing Date
CA186,287A Expired CA1018968A (en) 1972-12-06 1973-11-20 Method for preparing 7-substituted cephalosporins by replacement of o- or s-containing groups

Country Status (5)

Country Link
JP (1) JPS4986391A (en)
CA (1) CA1018968A (en)
DE (1) DE2360945A1 (en)
FR (1) FR2209762B1 (en)
GB (1) GB1445446A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JO1395B1 (en) * 1981-07-10 1986-11-30 بيتشام جروب بي ال سي Process for the preparation of penam derivatives
GB2161803B (en) * 1981-07-25 1986-07-23 Beecham Group Plc Intermediates for b-lactam antibiotics

Also Published As

Publication number Publication date
JPS4986391A (en) 1974-08-19
GB1445446A (en) 1976-08-11
DE2360945A1 (en) 1974-06-12
FR2209762B1 (en) 1977-02-18
FR2209762A1 (en) 1974-07-05

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