IL44791A - Cephalosporin cleavage process - Google Patents

Cephalosporin cleavage process

Info

Publication number
IL44791A
IL44791A IL44791A IL4479174A IL44791A IL 44791 A IL44791 A IL 44791A IL 44791 A IL44791 A IL 44791A IL 4479174 A IL4479174 A IL 4479174A IL 44791 A IL44791 A IL 44791A
Authority
IL
Israel
Prior art keywords
acid
cephalosporin
hydrazine
treatment
reacted
Prior art date
Application number
IL44791A
Other languages
English (en)
Other versions
IL44791A0 (en
Original Assignee
Lilly Co Eli
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 Lilly Co Eli filed Critical Lilly Co Eli
Publication of IL44791A0 publication Critical patent/IL44791A0/xx
Publication of IL44791A publication Critical patent/IL44791A/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
    • C07D501/20—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids
    • 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
    • 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IL44791A 1973-06-18 1974-05-09 Cephalosporin cleavage process IL44791A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US371011A US3905966A (en) 1973-06-18 1973-06-18 Cephalosporin cleavage process

Publications (2)

Publication Number Publication Date
IL44791A0 IL44791A0 (en) 1974-07-31
IL44791A true IL44791A (en) 1976-09-30

Family

ID=23462129

Family Applications (1)

Application Number Title Priority Date Filing Date
IL44791A IL44791A (en) 1973-06-18 1974-05-09 Cephalosporin cleavage process

Country Status (12)

Country Link
US (1) US3905966A (es)
JP (1) JPS61352B2 (es)
BE (1) BE816408A (es)
CA (1) CA1018155A (es)
CH (1) CH601313A5 (es)
DE (1) DE2429166A1 (es)
ES (2) ES427388A1 (es)
FR (1) FR2233328B1 (es)
GB (1) GB1474544A (es)
IE (1) IE39253B1 (es)
IL (1) IL44791A (es)
NL (1) NL7408170A (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001239A (en) * 1973-06-18 1977-01-04 Eli Lilly And Company Cephalosporin cleavage process
US3994888A (en) * 1973-06-18 1976-11-30 Eli Lilly And Company Cephalosporin cleavage process
US4039535A (en) * 1973-12-10 1977-08-02 Eli Lilly And Company 7-[α-(GUANYL-1-UREIDO)PHENYLACETAMIDO]-3-SUBSTITUTED CEPHALOSPORIN ANTIBIOTICS
JPS52124221A (en) * 1976-04-10 1977-10-19 Toshizou Miyai Water tpa with selffclosing valve
US5169945A (en) * 1990-05-14 1992-12-08 Eli Lilly And Company Amino protecting group
US5239069A (en) * 1990-05-14 1993-08-24 Eli Lilly And Company Amino protecting group
CA2041897A1 (en) * 1990-05-14 1991-11-15 Leland Otto Weigel Amino protecting group

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3487070A (en) * 1966-01-14 1969-12-30 Bristol Myers Co 3-blocked amino-4-sulfhydryl-2-azetidinones
US3487074A (en) * 1966-01-14 1969-12-30 Bristol Myers Co Derivatives of 6-amino-3-penamylcarboxylic acid and 7-amino-2,2-dimethyl-cephalosporanic acid
US3769281A (en) * 1970-07-09 1973-10-30 Lilly Co Eli Deblocking process for cephalosporin antibiotics

Also Published As

Publication number Publication date
DE2429166A1 (de) 1975-01-09
NL7408170A (es) 1974-12-20
ES448016A1 (es) 1977-07-01
BE816408A (fr) 1974-12-17
FR2233328B1 (es) 1977-10-07
ES427388A1 (es) 1976-09-16
CH601313A5 (es) 1978-07-14
IE39253L (en) 1974-12-18
IL44791A0 (en) 1974-07-31
JPS61352B2 (es) 1986-01-08
JPS5036488A (es) 1975-04-05
IE39253B1 (en) 1978-08-30
US3905966A (en) 1975-09-16
CA1018155A (en) 1977-09-27
GB1474544A (en) 1977-05-25
FR2233328A1 (es) 1975-01-10

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