IT1050651B - Procedimento per produrre acido 7 amminocefalosporanico ed i suoi derivati - Google Patents

Procedimento per produrre acido 7 amminocefalosporanico ed i suoi derivati

Info

Publication number
IT1050651B
IT1050651B IT2233965A IT2233965A IT1050651B IT 1050651 B IT1050651 B IT 1050651B IT 2233965 A IT2233965 A IT 2233965A IT 2233965 A IT2233965 A IT 2233965A IT 1050651 B IT1050651 B IT 1050651B
Authority
IT
Italy
Prior art keywords
derivatives
procedure
produce
aminocephalosporanic acid
aminocephalosporanic
Prior art date
Application number
IT2233965A
Other languages
English (en)
Italian (it)
Original Assignee
Ciba Geigy
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 DK72864A external-priority patent/DK118506B/da
Priority claimed from CH1316664A external-priority patent/CH467803A/de
Application filed by Ciba Geigy filed Critical Ciba Geigy
Application granted granted Critical
Publication of IT1050651B publication Critical patent/IT1050651B/it

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
    • C07D501/18—7-Aminocephalosporanic or substituted 7-aminocephalosporanic acids
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/74—Preparation
    • C01B17/76—Preparation by contact processes
    • C01B17/78—Preparation by contact processes characterised by the catalyst used

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Cephalosporin Compounds (AREA)
IT2233965A 1964-02-14 1965-10-07 Procedimento per produrre acido 7 amminocefalosporanico ed i suoi derivati IT1050651B (it)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DK72864A DK118506B (da) 1963-02-18 1964-02-14 Fremgangsmåde til fremstilling af 7-aminocephalosporansyre eller estere deraf.
CH1316664A CH467803A (de) 1963-02-18 1964-10-09 Neues Verfahren zur Herstellung von 7-Aminocephalosporansäure
CH1469664 1964-11-13
DK516765A DK141847B (da) 1964-02-14 1965-10-08 Fremgangsmåde til fremstilling af 7-amino-cephalosporansyre.

Publications (1)

Publication Number Publication Date
IT1050651B true IT1050651B (it) 1981-03-20

Family

ID=27429481

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2233965A IT1050651B (it) 1964-02-14 1965-10-07 Procedimento per produrre acido 7 amminocefalosporanico ed i suoi derivati

Country Status (3)

Country Link
DE (1) DE1545704C3 (da)
DK (1) DK141847B (da)
IT (1) IT1050651B (da)

Also Published As

Publication number Publication date
DE1545704A1 (de) 1972-01-20
DK141847C (da) 1980-11-17
DE1545704B2 (de) 1973-05-24
DK141847B (da) 1980-06-30
DE1545704C3 (de) 1974-01-03

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