BE825919A - PROCESS FOR PREPARING ENOL DERIVATIVES - Google Patents

PROCESS FOR PREPARING ENOL DERIVATIVES

Info

Publication number
BE825919A
BE825919A BE153680A BE153680A BE825919A BE 825919 A BE825919 A BE 825919A BE 153680 A BE153680 A BE 153680A BE 153680 A BE153680 A BE 153680A BE 825919 A BE825919 A BE 825919A
Authority
BE
Belgium
Prior art keywords
enol derivatives
preparing enol
preparing
derivatives
enol
Prior art date
Application number
BE153680A
Other languages
French (fr)
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 CH269374A external-priority patent/CH601310A5/en
Priority claimed from CH776674A external-priority patent/CH610584A5/en
Application filed filed Critical
Publication of BE825919A publication Critical patent/BE825919A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C313/00—Sulfinic acids; Sulfenic acids; Halides, esters or anhydrides thereof; Amides of sulfinic or sulfenic acids, i.e. compounds having singly-bound oxygen atoms of sulfinic or sulfenic groups replaced by nitrogen atoms, not being part of nitro or nitroso groups
    • C07C313/02—Sulfinic acids; Derivatives thereof
    • C07C313/04—Sulfinic acids; Esters thereof
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D205/00—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom
    • C07D205/02—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings
    • C07D205/06—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D205/08—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams
    • C07D205/09—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams with a sulfur atom directly attached in position 4
    • C07D205/095—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams with a sulfur atom directly attached in position 4 and with a nitrogen atom directly attached in position 3
    • 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)
  • Plural Heterocyclic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
BE153680A 1974-02-26 1975-02-25 PROCESS FOR PREPARING ENOL DERIVATIVES BE825919A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH269374A CH601310A5 (en) 1974-02-26 1974-02-26 7-Amino-3-hydroxy-2(or 3)-cephem-4-carboxylic acid derivs prepn
CH776674A CH610584A5 (en) 1974-02-26 1974-06-05 Process for the preparation of 2-(3-amino-2-oxo-4-sulphonylthio-1- azetidinyl)-3-methylenebutyric acid derivatives
CH1100074 1974-08-12

Publications (1)

Publication Number Publication Date
BE825919A true BE825919A (en) 1975-08-25

Family

ID=27173851

Family Applications (1)

Application Number Title Priority Date Filing Date
BE153680A BE825919A (en) 1974-02-26 1975-02-25 PROCESS FOR PREPARING ENOL DERIVATIVES

Country Status (21)

Country Link
JP (1) JPS625919B2 (en)
AR (1) AR208538A1 (en)
AT (2) AT337362B (en)
AU (1) AU498131B2 (en)
BE (1) BE825919A (en)
BG (1) BG26201A3 (en)
CA (2) CA1059988A (en)
DD (1) DD117074A5 (en)
DE (1) DE2506330A1 (en)
DK (2) DK73475A (en)
ES (2) ES435110A1 (en)
FI (1) FI66389C (en)
FR (1) FR2261761B1 (en)
GB (1) GB1503581A (en)
HU (1) HU175212B (en)
IE (1) IE40695B1 (en)
IL (1) IL46699A (en)
NL (1) NL7502292A (en)
NO (1) NO750625L (en)
NZ (1) NZ176623A (en)
SE (3) SE431652B (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1044247B (en) * 1974-08-02 1980-03-20 Farmaceutici Italia INTERMEDIATES FOR THE SYNTHESIS OF LACTAMIC DERIVATIVES AND PROCEDURE FOR THEIR PREPARATION
JPS5198265A (en) * 1975-02-17 1976-08-30
CA1136132A (en) * 1975-02-17 1982-11-23 Teruji Tsuji Cyclization to form cephem ring and intermediates therefor
AT342197B (en) * 1975-02-20 1978-03-28 Ciba Geigy Ag NEW PROCESS FOR PRODUCING 3-CEPHEM CONNECTIONS
US4029645A (en) * 1975-11-17 1977-06-14 E. R. Squibb & Sons, Inc. Mercury intermediates useful in the preparation of 2-alkoxy cephalosporins
JPH0639474B2 (en) * 1983-03-04 1994-05-25 大塚化学株式会社 Method for producing cephalosporin compound
JPS59228854A (en) * 1983-06-08 1984-12-22 真井　康博 Chemical liquid injection by compressed gas and chemical liquid storing syringe
JPS60126263A (en) * 1983-12-12 1985-07-05 Otsuka Chem Co Ltd Production of azetidinone derivative
GB2152497B (en) * 1983-11-28 1987-08-05 Otsuka Kagaku Kk Process for the preparation of azetidinone derivatives
JPS60115562A (en) * 1983-11-28 1985-06-22 Otsuka Chem Co Ltd Production of azetidinone derivative
JPS60237061A (en) * 1984-05-08 1985-11-25 Otsuka Chem Co Ltd Preparation of azetidinone derivative
JPS61178961A (en) * 1985-02-01 1986-08-11 Otsuka Chem Co Ltd Production of azetidinone derivative
DE3725375A1 (en) * 1987-07-31 1989-02-09 Bayer Ag STABLE OXAPENEM-3-CARBONSAEURES
JP3195959B2 (en) * 1991-03-13 2001-08-06 大塚化学株式会社 Method for producing 3-hydroxycephem derivative
JP2006507289A (en) * 2002-11-01 2006-03-02 オーキッド ケミカルズ アンド ファーマシューティカルズ リミテッド Improved process for preparing chloromethylcephem derivatives
JP5982007B2 (en) 2011-12-20 2016-08-31 リボサイエンス・エルエルシー 2 ', 4'-difluoro-2'-methyl substituted nucleoside derivatives as inhibitors of HCV RNA replication
US9708357B2 (en) 2011-12-20 2017-07-18 Riboscience, LLC 4′-azido, 3′-fluoro substituted nucleoside derivatives as inhibitors of HCV RNA replication
US20180200280A1 (en) 2013-05-16 2018-07-19 Riboscience Llc 4'-Fluoro-2'-Methyl Substituted Nucleoside Derivatives as Inhibitors of HCV RNA Replication
AU2014265293B2 (en) 2013-05-16 2019-07-18 Riboscience Llc 4'-Fluoro-2'-methyl substituted nucleoside derivatives
SG11201509427RA (en) 2013-05-16 2015-12-30 Riboscience Llc 4'-azido, 3'-deoxy-3'-fluoro substituted nucleoside derivatives
EP3684374A4 (en) 2017-09-21 2021-06-16 Riboscience LLC 4'-fluoro-2'-methyl substituted nucleoside derivatives as inhibitors of hcv rna replication

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2230372A1 (en) * 1972-06-21 1973-01-11 Fujisawa Pharmaceutical Co Cepham and cephem derivs - useful as antibiotics
AR206201A1 (en) * 1972-06-29 1976-07-07 Ciba Geigy Ag PROCEDURE FOR OBTAINING ACID COMPOUNDS 7BETA-AMINO-3-CEFEM-3-01-4-CARBOXILICO0-SUBSTITUIDOS
SE428022B (en) * 1972-06-29 1983-05-30 Ciba Geigy Ag 7BETA-AMINO-CEFAM-3-ON-4-CARBOXYLIC ACID COMPOUNDS FOR USE FOR THE PRODUCTION OF CEPHALOSPORINE DERIVATIVES

Also Published As

Publication number Publication date
SE7807811L (en) 1978-07-13
SE7807810L (en) 1978-07-13
CA1059988A (en) 1979-08-07
SE431652B (en) 1984-02-20
NZ176623A (en) 1978-04-03
JPS625919B2 (en) 1987-02-07
FI66389B (en) 1984-06-29
ATA108275A (en) 1976-10-15
AU7849875A (en) 1976-08-26
DK73475A (en) 1975-10-20
SE438854B (en) 1985-05-13
CA1080713A (en) 1980-07-01
IL46699A (en) 1977-11-30
AU498131B2 (en) 1979-02-15
FI750503A (en) 1975-08-27
AT337362B (en) 1977-06-27
AT350068B (en) 1979-05-10
GB1503581A (en) 1978-03-15
FI66389C (en) 1984-10-10
DK348678A (en) 1978-08-07
SE7501317L (en) 1975-08-27
DD117074A5 (en) 1975-12-20
ES452915A1 (en) 1977-11-01
ATA28178A (en) 1978-10-15
FR2261761B1 (en) 1978-08-18
AR208538A1 (en) 1977-02-15
JPS50129590A (en) 1975-10-13
FR2261761A1 (en) 1975-09-19
SE438855B (en) 1985-05-13
IE40695L (en) 1975-08-26
IL46699A0 (en) 1975-04-25
DE2506330A1 (en) 1975-09-04
IE40695B1 (en) 1979-08-01
HU175212B (en) 1980-06-28
BG26201A3 (en) 1979-02-15
NO750625L (en) 1975-08-27
NL7502292A (en) 1975-08-28
ES435110A1 (en) 1977-03-16

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: CIBA-GEIGY A.G.

Effective date: 19900228