AU464944B2 - Process forthe preparing esters of 3-substituted cephalosphorins - Google Patents

Process forthe preparing esters of 3-substituted cephalosphorins

Info

Publication number
AU464944B2
AU464944B2 AU44207/72A AU4420772A AU464944B2 AU 464944 B2 AU464944 B2 AU 464944B2 AU 44207/72 A AU44207/72 A AU 44207/72A AU 4420772 A AU4420772 A AU 4420772A AU 464944 B2 AU464944 B2 AU 464944B2
Authority
AU
Australia
Prior art keywords
cephalosphorins
substituted
process forthe
preparing esters
esters
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
AU44207/72A
Other versions
AU4420772A (en
Inventor
SANDOR PARADY SERMON HAYDEN PINES and MEYER SLETZINGER THERESA YUPEI CHENG
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
Priority claimed from US162703A external-priority patent/US3859282A/en
Application filed by Merck and Co Inc filed Critical Merck and Co Inc
Publication of AU4420772A publication Critical patent/AU4420772A/en
Application granted granted Critical
Publication of AU464944B2 publication Critical patent/AU464944B2/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
    • 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
    • C07D501/60—Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 3 and 4
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cephalosporin Compounds (AREA)
AU44207/72A 1971-07-14 1972-07-04 Process forthe preparing esters of 3-substituted cephalosphorins Expired AU464944B2 (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US162703A US3859282A (en) 1971-07-14 1971-07-14 Process for preparing 3-substituted methyl-7-acylamido-7-methoxy-2-cephem-4-carboxylic acid and its esters
USUS162703 1971-07-14
US17955971A 1971-09-10 1971-09-10
USUS179559 1971-09-10
US20121071A 1971-11-22 1971-11-22
USUS201210 1971-11-22
US24427072A 1972-04-14 1972-04-14
USUS244270 1972-04-14

Publications (2)

Publication Number Publication Date
AU4420772A AU4420772A (en) 1974-01-10
AU464944B2 true AU464944B2 (en) 1975-09-11

Family

ID=27496523

Family Applications (1)

Application Number Title Priority Date Filing Date
AU44207/72A Expired AU464944B2 (en) 1971-07-14 1972-07-04 Process forthe preparing esters of 3-substituted cephalosphorins

Country Status (9)

Country Link
AU (1) AU464944B2 (en)
BE (1) BE785917A (en)
CA (1) CA1014949A (en)
CH (1) CH583739A5 (en)
DD (2) DD105452A5 (en)
DE (1) DE2234479C3 (en)
FR (2) FR2154425B1 (en)
GB (1) GB1379465A (en)
NL (1) NL7208855A (en)

Also Published As

Publication number Publication date
CH583739A5 (en) 1977-01-14
GB1379465A (en) 1975-01-02
DD108542A5 (en) 1974-09-20
FR2154425B1 (en) 1973-12-07
DE2234479A1 (en) 1973-02-15
CA1014949A (en) 1977-08-02
FR2162237B1 (en) 1974-03-15
DE2234479C3 (en) 1976-01-02
BE785917A (en) 1973-01-08
DD105452A5 (en) 1974-04-20
NL7208855A (en) 1973-01-16
AU4420772A (en) 1974-01-10
FR2154425A1 (en) 1973-05-11
FR2162237A1 (en) 1973-07-13
DE2234479B2 (en) 1975-05-22

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