CA992954A - Cephalosporin process and products - Google Patents

Cephalosporin process and products

Info

Publication number
CA992954A
CA992954A CA158,814A CA158814A CA992954A CA 992954 A CA992954 A CA 992954A CA 158814 A CA158814 A CA 158814A CA 992954 A CA992954 A CA 992954A
Authority
CA
Canada
Prior art keywords
cephalosporin
products
cephalosporin process
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
CA158,814A
Other versions
CA158814S (en
Inventor
Raymond A. Firestone
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
Application granted granted Critical
Publication of CA992954A publication Critical patent/CA992954A/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)
CA158,814A 1971-12-16 1972-12-08 Cephalosporin process and products Expired CA992954A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20894071A 1971-12-16 1971-12-16

Publications (1)

Publication Number Publication Date
CA992954A true CA992954A (en) 1976-07-13

Family

ID=22776677

Family Applications (1)

Application Number Title Priority Date Filing Date
CA158,814A Expired CA992954A (en) 1971-12-16 1972-12-08 Cephalosporin process and products

Country Status (6)

Country Link
JP (1) JPS4867292A (en)
CA (1) CA992954A (en)
CH (1) CH578580A5 (en)
DD (1) DD102703A5 (en)
ES (1) ES409591A1 (en)
NL (1) NL7216270A (en)

Also Published As

Publication number Publication date
ES409591A1 (en) 1976-03-01
NL7216270A (en) 1973-06-19
CH578580A5 (en) 1976-08-13
JPS4867292A (en) 1973-09-13
DD102703A5 (en) 1973-12-20

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