BE785917A - Procede de preparation de cephalosporines - Google Patents

Procede de preparation de cephalosporines

Info

Publication number
BE785917A
BE785917A BE785917DA BE785917A BE 785917 A BE785917 A BE 785917A BE 785917D A BE785917D A BE 785917DA BE 785917 A BE785917 A BE 785917A
Authority
BE
Belgium
Prior art keywords
cephalosporins
preparation
Prior art date
Application number
Other languages
English (en)
Inventor
T Y Cheng
S Karady
S H Pines
M Sletzinger
Original Assignee
Merck & 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.)
Publication date
Priority claimed from US162703A external-priority patent/US3859282A/en
Publication of BE785917A publication Critical patent/BE785917A/fr

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)
BE785917D 1971-07-14 Procede de preparation de cephalosporines BE785917A (fr)

Applications Claiming Priority (4)

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
US17955971A 1971-09-10 1971-09-10
US20121071A 1971-11-22 1971-11-22
US24427072A 1972-04-14 1972-04-14

Publications (1)

Publication Number Publication Date
BE785917A true BE785917A (fr) 1973-01-08

Family

ID=27496523

Family Applications (1)

Application Number Title Priority Date Filing Date
BE785917D BE785917A (fr) 1971-07-14 Procede de preparation de cephalosporines

Country Status (9)

Country Link
AU (1) AU464944B2 (fr)
BE (1) BE785917A (fr)
CA (1) CA1014949A (fr)
CH (1) CH583739A5 (fr)
DD (2) DD108542A5 (fr)
DE (1) DE2234479C3 (fr)
FR (2) FR2154425B1 (fr)
GB (1) GB1379465A (fr)
NL (1) NL7208855A (fr)

Also Published As

Publication number Publication date
DD105452A5 (fr) 1974-04-20
CA1014949A (en) 1977-08-02
FR2162237B1 (fr) 1974-03-15
FR2154425A1 (fr) 1973-05-11
GB1379465A (en) 1975-01-02
DE2234479A1 (de) 1973-02-15
FR2162237A1 (fr) 1973-07-13
AU464944B2 (en) 1975-09-11
FR2154425B1 (fr) 1973-12-07
NL7208855A (fr) 1973-01-16
DE2234479B2 (de) 1975-05-22
DD108542A5 (fr) 1974-09-20
CH583739A5 (fr) 1977-01-14
DE2234479C3 (de) 1976-01-02
AU4420772A (en) 1974-01-10

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