GB1289392A - - Google Patents

Info

Publication number
GB1289392A
GB1289392A GB1289392DA GB1289392A GB 1289392 A GB1289392 A GB 1289392A GB 1289392D A GB1289392D A GB 1289392DA GB 1289392 A GB1289392 A GB 1289392A
Authority
GB
United Kingdom
Prior art keywords
methyl
ester
acid
cephem
acetamido
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
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 filed Critical
Publication of GB1289392A publication Critical patent/GB1289392A/en
Expired legal-status Critical Current

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
    • C07D501/02—Preparation
    • C07D501/08—Preparation by forming the ring or condensed ring systems
    • C07D501/10—Preparation by forming the ring or condensed ring systems from compounds containing the penicillin ring system
    • 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)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Molecular Biology (AREA)
  • Cephalosporin Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
GB1289392D 1970-02-24 1970-12-04 Expired GB1289392A (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1381570A 1970-02-24 1970-02-24
US1381470A 1970-02-24 1970-02-24

Publications (1)

Publication Number Publication Date
GB1289392A true GB1289392A (da) 1972-09-20

Family

ID=26685285

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1289392D Expired GB1289392A (da) 1970-02-24 1970-12-04

Country Status (18)

Country Link
JP (1) JPS4946318B1 (da)
BE (1) BE759796A (da)
BG (1) BG19184A3 (da)
CH (1) CH574448A5 (da)
CS (1) CS193010B2 (da)
DE (1) DE2060311B2 (da)
ES (1) ES386042A1 (da)
FR (1) FR2072934A5 (da)
GB (1) GB1289392A (da)
HU (1) HU162238B (da)
IE (1) IE34713B1 (da)
IL (1) IL35801A (da)
NL (1) NL166942C (da)
PL (1) PL84211B1 (da)
RO (1) RO57203A (da)
SE (1) SE406324B (da)
SU (1) SU361571A3 (da)
YU (1) YU35260B (da)

Also Published As

Publication number Publication date
BG19184A3 (bg) 1975-04-30
YU35260B (en) 1980-10-31
HU162238B (da) 1973-01-29
IE34713L (en) 1971-08-24
NL166942B (nl) 1981-05-15
NL7017666A (da) 1971-08-26
NL166942C (nl) 1981-10-15
DE2060311B2 (de) 1976-06-24
SE406324B (sv) 1979-02-05
YU292570A (en) 1980-04-30
RO57203A (da) 1974-12-11
IE34713B1 (en) 1975-07-23
CS193010B2 (en) 1979-09-17
ES386042A1 (es) 1973-12-16
DE2060311A1 (de) 1971-09-09
JPS4946318B1 (da) 1974-12-09
IL35801A0 (en) 1971-02-25
SU361571A3 (da) 1972-12-07
FR2072934A5 (da) 1971-09-24
CH574448A5 (da) 1976-04-15
BE759796A (fr) 1971-06-03
PL84211B1 (en) 1976-03-31
IL35801A (en) 1974-10-22

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee