CY708A - New cephalosporins useful as intermediates in making cephalexin and improved process for the synthesis of cephalexin - Google Patents

New cephalosporins useful as intermediates in making cephalexin and improved process for the synthesis of cephalexin

Info

Publication number
CY708A
CY708A CY70873A CY70873A CY708A CY 708 A CY708 A CY 708A CY 70873 A CY70873 A CY 70873A CY 70873 A CY70873 A CY 70873A CY 708 A CY708 A CY 708A
Authority
CY
Cyprus
Prior art keywords
cephalexin
intermediates
synthesis
making
improved process
Prior art date
Application number
CY70873A
Other languages
English (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 CY708A publication Critical patent/CY708A/xx

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
    • C07D501/22—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with radicals containing only hydrogen and carbon atoms, attached in position 3
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D499/00—Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
    • 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)
CY70873A 1969-03-18 1973-10-01 New cephalosporins useful as intermediates in making cephalexin and improved process for the synthesis of cephalexin CY708A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80831369A 1969-03-18 1969-03-18

Publications (1)

Publication Number Publication Date
CY708A true CY708A (en) 1973-10-01

Family

ID=25198435

Family Applications (1)

Application Number Title Priority Date Filing Date
CY70873A CY708A (en) 1969-03-18 1973-10-01 New cephalosporins useful as intermediates in making cephalexin and improved process for the synthesis of cephalexin

Country Status (16)

Country Link
US (1) US3632850A (xx)
JP (1) JPS5017991B1 (xx)
AT (1) AT305492B (xx)
BE (1) BE747382A (xx)
BR (1) BR6915024D0 (xx)
CA (1) CA985674A (xx)
CH (1) CH554896A (xx)
CY (1) CY708A (xx)
DK (1) DK143342C (xx)
ES (1) ES377688A1 (xx)
FR (1) FR2039032A5 (xx)
GB (1) GB1270633A (xx)
IE (1) IE34181B1 (xx)
IL (1) IL34050A (xx)
MY (1) MY7300494A (xx)
NL (1) NL7003887A (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3852281A (en) * 1970-02-18 1974-12-03 Koninklijke Gist Spiritus Process for the preparation of 7-substituted amino-desacetoxycephalosporanic acid compounds
US3862181A (en) * 1970-10-28 1975-01-21 Squibb & Sons Inc Process for preparing cephalosporins
US4003894A (en) * 1971-08-17 1977-01-18 Gist-Brocades N.V. Preparation of 7-substituted amino-desacetoxycephalosporanic acid compounds
JPS536158B2 (xx) * 1972-03-23 1978-03-04
JPS551272B2 (xx) * 1972-04-14 1980-01-12
JPS4970989A (xx) * 1972-11-15 1974-07-09
JPS50150989U (xx) * 1974-05-31 1975-12-16
US4091214A (en) * 1977-02-25 1978-05-23 Eli Lilly And Company De-esterification process for cephalosporins
CA1164402A (en) * 1980-03-31 1984-03-27 David A. Hall Electrolytic reduction of cephalosporin p-nitrobenzyl esters
US4379739A (en) * 1980-03-31 1983-04-12 Eli Lilly And Company Electrolytic reduction of cephalosporin p-nitrobenzyl esters

Also Published As

Publication number Publication date
IE34181B1 (en) 1975-03-05
AT305492B (de) 1973-02-26
GB1270633A (en) 1972-04-12
DK143342C (da) 1981-12-07
CA985674A (en) 1976-03-16
DK143342B (da) 1981-08-10
IL34050A0 (en) 1970-05-21
ES377688A1 (es) 1972-08-01
IE34181L (en) 1970-09-18
NL7003887A (xx) 1970-09-22
IL34050A (en) 1973-02-28
BR6915024D0 (pt) 1973-05-24
BE747382A (fr) 1970-09-14
DE2012955A1 (de) 1970-09-24
MY7300494A (en) 1973-12-31
JPS5017991B1 (xx) 1975-06-25
FR2039032A5 (xx) 1971-01-08
DE2012955B2 (de) 1976-05-13
CH554896A (de) 1974-10-15
US3632850A (en) 1972-01-04

Similar Documents

Publication Publication Date Title
ZA7251B (en) Process for the production of triazolobenzodiazepines and intermediates
CA1003403A (en) Processes to prepare substituted penicillins and cephalosporins
AU476509B2 (en) Process for the production of polyglycolethere compounds and their use
GB1488173A (en) Penicillins and methods for their production
IL34050A0 (en) New cephalosporins useful as intermediates in making cephalexin and improved process for the synthesis of cephalexin
ZA747497B (en) Improvements in and relating to the production of coke
IL39382A (en) Process for the preparation of cephalexin and hetacephalexin
YU39525B (en) Process for the manufacture of the bis-dimethylformamide solvate of cephalexin
ZA725754B (en) Enzymatic production of cephalexin
MY7300298A (en) Process for the production of novel triazolotriazinones
IL37195A (en) Process for the preparation of cephalexin and hetacephalexin and novel intermediates therefor
AU6281373A (en) Production of wines
CA927193A (en) Method for production of deepfrozen blocks of food and frames for use with the method
CA955269A (en) Process for the preparation of chlorofluoro-derivatives of methane
AU406156B2 (en) New cephalosporins useful as intermediates in making cephalexin and improved process forthe synthesis of cephalexin
AU1227570A (en) New cephalosporins useful as intermediates in making cephalexin and improved process forthe synthesis of cephalexin
ZA752917B (en) Novel penicillins and cephalosporins and process for producing the same
ZA744855B (en) Improvements in or relating to the manufacture of penicillin and cephalosporin compounds
IE35805B1 (en) Improvements relating to the production of l-asparaginase
IL34093A0 (en) New 3-halomethyl-delta3-cephalosporin esters and sulfoxides thereof useful in the production of antibiotics,and process for preparing the new intermediates and antibiotics
CA823232A (en) Process for the preparation of 2-cyclopenten-1-ones and novel intermediates therefor
CA813340A (en) Process for the preparation of 2-cyclopenten-1-ones and novel intermediates therefor
CA926391A (en) Process for the preparation of cephalosporins
AU426561B2 (en) Process forthe preparation of penicillins and cephalosporins
YU182574A (en) Process for the synthesis of cephalosporin