PT64951B - An analogy process for preparing cephalosporins - Google Patents

An analogy process for preparing cephalosporins

Info

Publication number
PT64951B
PT64951B PT64951A PT6495176A PT64951B PT 64951 B PT64951 B PT 64951B PT 64951 A PT64951 A PT 64951A PT 6495176 A PT6495176 A PT 6495176A PT 64951 B PT64951 B PT 64951B
Authority
PT
Portugal
Prior art keywords
analogy process
preparing cephalosporins
cephalosporins
preparing
analogy
Prior art date
Application number
PT64951A
Other languages
English (en)
Portuguese (pt)
Other versions
PT64951A (en
Original Assignee
Pfizer
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 GB7512813A external-priority patent/GB1542397A/en
Application filed by Pfizer filed Critical Pfizer
Publication of PT64951A publication Critical patent/PT64951A/pt
Publication of PT64951B publication Critical patent/PT64951B/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D501/00Heterocyclic 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
    • C07D501/14Compounds having a nitrogen atom directly attached in position 7
    • C07D501/16Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 2 and 3
    • C07D501/207-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids
    • C07D501/247-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with hydrocarbon radicals, substituted by hetero atoms or hetero rings, attached in position 3
    • C07D501/36Methylene radicals, substituted by sulfur atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D249/00Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
    • C07D249/02Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms not condensed with other rings
    • C07D249/081,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
    • C07D249/101,2,4-Triazoles; Hydrogenated 1,2,4-triazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D249/12Oxygen or sulfur atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D271/00Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms
    • C07D271/02Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms not condensed with other rings
    • C07D271/101,3,4-Oxadiazoles; Hydrogenated 1,3,4-oxadiazoles
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D285/00Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
    • C07D285/01Five-membered rings
    • C07D285/02Thiadiazoles; Hydrogenated thiadiazoles
    • C07D285/04Thiadiazoles; Hydrogenated thiadiazoles not condensed with other rings
    • C07D285/121,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/55Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cephalosporin Compounds (AREA)
PT64951A 1975-03-27 1976-03-26 An analogy process for preparing cephalosporins PT64951B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7512813A GB1542397A (en) 1975-03-27 1975-03-27 Cephem compounds
GB4393575 1975-10-24

Publications (2)

Publication Number Publication Date
PT64951A PT64951A (en) 1976-04-01
PT64951B true PT64951B (en) 1977-08-26

Family

ID=26249284

Family Applications (1)

Application Number Title Priority Date Filing Date
PT64951A PT64951B (en) 1975-03-27 1976-03-26 An analogy process for preparing cephalosporins

Country Status (15)

Country Link
JP (1) JPS51138694A (fr)
AU (1) AU1244276A (fr)
DD (1) DD124601A5 (fr)
DE (1) DE2612760A1 (fr)
DK (1) DK132876A (fr)
ES (1) ES446353A1 (fr)
FI (1) FI760793A (fr)
FR (1) FR2305186A1 (fr)
IE (1) IE43541B1 (fr)
IL (1) IL49183A0 (fr)
LU (1) LU74651A1 (fr)
NL (1) NL7603116A (fr)
NO (1) NO761052L (fr)
PT (1) PT64951B (fr)
SE (1) SE7603699L (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA999574A (en) * 1972-06-14 1976-11-09 Smith Kline And French Canada Ltd. 7-hydroxyhalophenylacetamido-3-h heterocyclicthiomethyl cephalosporins
FR2215942B1 (fr) * 1973-01-31 1978-12-22 Bristol Myers Co
US3989694A (en) * 1974-12-27 1976-11-02 Smithkline Corporation 7-Acyl-3-(substituted triazolyl thiomethyl)cephalosporins

Also Published As

Publication number Publication date
FR2305186A1 (fr) 1976-10-22
FR2305186B1 (fr) 1980-07-04
IE43541B1 (en) 1981-03-25
IE43541L (en) 1976-09-27
PT64951A (en) 1976-04-01
FI760793A (fr) 1976-09-28
DE2612760A1 (de) 1976-10-07
LU74651A1 (fr) 1977-10-10
NO761052L (fr) 1976-09-28
AU1244276A (en) 1977-10-06
IL49183A0 (en) 1976-05-31
JPS51138694A (en) 1976-11-30
DD124601A5 (fr) 1977-03-02
DK132876A (da) 1976-09-28
ES446353A1 (es) 1977-11-16
SE7603699L (sv) 1976-09-28
NL7603116A (nl) 1976-09-29

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