NL148610B - PROCESS FOR PREPARING CEPHALOSPORANIC ACID. - Google Patents

PROCESS FOR PREPARING CEPHALOSPORANIC ACID.

Info

Publication number
NL148610B
NL148610B NL6513095A NL6513095A NL148610B NL 148610 B NL148610 B NL 148610B NL 6513095 A NL6513095 A NL 6513095A NL 6513095 A NL6513095 A NL 6513095A NL 148610 B NL148610 B NL 148610B
Authority
NL
Netherlands
Prior art keywords
cephalosporanic acid
preparing
preparing cephalosporanic
acid
cephalosporanic
Prior art date
Application number
NL6513095A
Other languages
Dutch (nl)
Other versions
NL6513095A (en
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 CH199263A external-priority patent/CH433316A/en
Priority claimed from CH267563A external-priority patent/CH504471A/en
Priority claimed from DK72864A external-priority patent/DK118506B/en
Priority claimed from CH1316664A external-priority patent/CH467803A/en
Application filed by Ciba Geigy filed Critical Ciba Geigy
Priority claimed from DK516765A external-priority patent/DK141847B/en
Publication of NL6513095A publication Critical patent/NL6513095A/xx
Publication of NL148610B publication Critical patent/NL148610B/en

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
NL6513095A 1963-02-18 1965-10-08 PROCESS FOR PREPARING CEPHALOSPORANIC ACID. NL148610B (en)

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
CH199263A CH433316A (en) 1963-02-18 1963-02-18 New process for the production of 7-aminocephalosporan compounds
CH267563A CH504471A (en) 1963-11-25 1963-03-01 7-Amino-cephalosporanic acid derivs
CH424963 1963-04-03
CH735863 1963-06-13
CH824663 1963-07-02
CH1211263 1963-10-02
CH1360063 1963-11-06
CH73064 1964-01-22
DK72864A DK118506B (en) 1963-02-18 1964-02-14 Process for the preparation of 7-aminocephalosporanic acid or esters thereof.
CH1316664A CH467803A (en) 1963-02-18 1964-10-09 New process for the production of 7-aminocephalosporanic acid
CH1469664 1964-11-13
DK516765A DK141847B (en) 1964-02-14 1965-10-08 Process for the preparation of 7-amino-cephalosporanoic acid.

Publications (2)

Publication Number Publication Date
NL6513095A NL6513095A (en) 1966-04-12
NL148610B true NL148610B (en) 1976-02-16

Family

ID=27582877

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6513095A NL148610B (en) 1963-02-18 1965-10-08 PROCESS FOR PREPARING CEPHALOSPORANIC ACID.

Country Status (2)

Country Link
GB (1) GB1119806A (en)
NL (1) NL148610B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT378774B (en) * 1982-08-06 1985-09-25 Biochemie Gmbh METHOD FOR DEACYLATING PENICILLINES AND CEPHALOSPORINES

Also Published As

Publication number Publication date
NL6513095A (en) 1966-04-12
GB1119806A (en) 1968-07-10

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